Mercurial > hg > orthanc
changeset 1612:96582230ddcb
Core/ImageFormats folder renamed as Core/Images
line wrap: on
line diff
--- a/CMakeLists.txt Fri Sep 04 16:30:42 2015 +0200 +++ b/CMakeLists.txt Fri Sep 04 16:36:18 2015 +0200 @@ -121,16 +121,16 @@ Core/MultiThreading/ReaderWriterLock.cpp Core/MultiThreading/Semaphore.cpp Core/MultiThreading/SharedMessageQueue.cpp - Core/ImageFormats/Font.cpp - Core/ImageFormats/FontRegistry.cpp - Core/ImageFormats/ImageAccessor.cpp - Core/ImageFormats/ImageBuffer.cpp - Core/ImageFormats/ImageProcessing.cpp - Core/ImageFormats/JpegErrorManager.cpp - Core/ImageFormats/JpegReader.cpp - Core/ImageFormats/JpegWriter.cpp - Core/ImageFormats/PngReader.cpp - Core/ImageFormats/PngWriter.cpp + Core/Images/Font.cpp + Core/Images/FontRegistry.cpp + Core/Images/ImageAccessor.cpp + Core/Images/ImageBuffer.cpp + Core/Images/ImageProcessing.cpp + Core/Images/JpegErrorManager.cpp + Core/Images/JpegReader.cpp + Core/Images/JpegWriter.cpp + Core/Images/PngReader.cpp + Core/Images/PngWriter.cpp Core/SQLite/Connection.cpp Core/SQLite/FunctionContext.cpp Core/SQLite/Statement.cpp
--- a/Core/ImageFormats/Font.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,298 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "Font.h" - -#include "../Toolbox.h" -#include "../OrthancException.h" - -#include <stdio.h> -#include <memory> -#include <boost/lexical_cast.hpp> - -namespace Orthanc -{ - Font::~Font() - { - for (Characters::iterator it = characters_.begin(); - it != characters_.end(); it++) - { - delete it->second; - } - } - - - void Font::LoadFromMemory(const std::string& font) - { - Json::Value v; - Json::Reader reader; - if (!reader.parse(font, v) || - v.type() != Json::objectValue || - !v.isMember("Name") || - !v.isMember("Size") || - !v.isMember("Characters") || - v["Name"].type() != Json::stringValue || - v["Size"].type() != Json::intValue || - v["Characters"].type() != Json::objectValue) - { - throw OrthancException(ErrorCode_BadFont); - } - - name_ = v["Name"].asString(); - size_ = v["Size"].asUInt(); - maxHeight_ = 0; - - Json::Value::Members characters = v["Characters"].getMemberNames(); - - for (size_t i = 0; i < characters.size(); i++) - { - const Json::Value& info = v["Characters"][characters[i]]; - if (info.type() != Json::objectValue || - !info.isMember("Advance") || - !info.isMember("Bitmap") || - !info.isMember("Height") || - !info.isMember("Top") || - !info.isMember("Width") || - info["Advance"].type() != Json::intValue || - info["Bitmap"].type() != Json::arrayValue || - info["Height"].type() != Json::intValue || - info["Top"].type() != Json::intValue || - info["Width"].type() != Json::intValue) - { - throw OrthancException(ErrorCode_BadFont); - } - - std::auto_ptr<Character> c(new Character); - - c->advance_ = info["Advance"].asUInt(); - c->height_ = info["Height"].asUInt(); - c->top_ = info["Top"].asUInt(); - c->width_ = info["Width"].asUInt(); - c->bitmap_.resize(info["Bitmap"].size()); - - if (c->height_ > maxHeight_) - { - maxHeight_ = c->height_; - } - - for (Json::Value::ArrayIndex j = 0; j < info["Bitmap"].size(); j++) - { - if (info["Bitmap"][j].type() != Json::intValue) - { - throw OrthancException(ErrorCode_BadFont); - } - - int value = info["Bitmap"][j].asInt(); - if (value < 0 || value > 255) - { - throw OrthancException(ErrorCode_BadFont); - } - - c->bitmap_[j] = value; - } - - int index = boost::lexical_cast<int>(characters[i]); - if (index < 0 || index > 255) - { - throw OrthancException(ErrorCode_BadFont); - } - - characters_[static_cast<char>(index)] = c.release(); - } - } - - - void Font::LoadFromFile(const std::string& path) - { - std::string font; - Toolbox::ReadFile(font, path); - LoadFromMemory(font); - } - - - static unsigned int MyMin(unsigned int a, - unsigned int b) - { - return a < b ? a : b; - } - - - void Font::DrawCharacter(ImageAccessor& target, - const Character& character, - int x, - int y, - const uint8_t color[4]) const - { - // Compute the bounds of the character - if (x >= static_cast<int>(target.GetWidth()) || - y >= static_cast<int>(target.GetHeight())) - { - // The character is out of the image - return; - } - - unsigned int left = x < 0 ? -x : 0; - unsigned int top = y < 0 ? -y : 0; - unsigned int width = MyMin(character.width_, target.GetWidth() - x); - unsigned int height = MyMin(character.height_, target.GetHeight() - y); - - uint8_t bpp = target.GetBytesPerPixel(); - - // Blit the font bitmap OVER the target image - // https://en.wikipedia.org/wiki/Alpha_compositing - - for (unsigned int cy = top; cy < height; cy++) - { - uint8_t* p = reinterpret_cast<uint8_t*>(target.GetRow(y + cy)) + (x + left) * bpp; - unsigned int pos = cy * character.width_ + left; - - switch (target.GetFormat()) - { - case PixelFormat_Grayscale8: - { - assert(bpp == 1); - for (unsigned int cx = left; cx < width; cx++, pos++, p++) - { - uint16_t alpha = character.bitmap_[pos]; - *p = (alpha * static_cast<uint16_t>(color[0]) + (255 - alpha) * static_cast<uint16_t>(*p)) >> 8; - } - - break; - } - - case PixelFormat_RGB24: - { - assert(bpp == 3); - for (unsigned int cx = left; cx < width; cx++, pos++, p += 3) - { - uint16_t alpha = character.bitmap_[pos]; - p[0] = (alpha * static_cast<uint16_t>(color[0]) + (255 - alpha) * static_cast<uint16_t>(p[0])) >> 8; - p[1] = (alpha * static_cast<uint16_t>(color[1]) + (255 - alpha) * static_cast<uint16_t>(p[1])) >> 8; - p[2] = (alpha * static_cast<uint16_t>(color[2]) + (255 - alpha) * static_cast<uint16_t>(p[2])) >> 8; - } - - break; - } - - case PixelFormat_RGBA32: - { - assert(bpp == 4); - - for (unsigned int cx = left; cx < width; cx++, pos++, p += 4) - { - float alpha = static_cast<float>(character.bitmap_[pos]) / 255.0f; - float beta = (1.0f - alpha) * static_cast<float>(p[3]) / 255.0f; - float denom = 1.0f / (alpha + beta); - - for (uint8_t i = 0; i < 3; i++) - { - p[i] = static_cast<uint8_t>((alpha * static_cast<float>(color[i]) + - beta * static_cast<float>(p[i])) * denom); - } - - p[3] = static_cast<uint8_t>(255.0f * (alpha + beta)); - } - - break; - } - - default: - throw OrthancException(ErrorCode_NotImplemented); - } - } - - } - - - void Font::DrawInternal(ImageAccessor& target, - const std::string& utf8, - int x, - int y, - const uint8_t color[4]) const - { - if (target.GetFormat() != PixelFormat_Grayscale8 && - target.GetFormat() != PixelFormat_RGB24 && - target.GetFormat() != PixelFormat_RGBA32) - { - throw OrthancException(ErrorCode_NotImplemented); - } - - int a = x; - - std::string s = Toolbox::ConvertFromUtf8(utf8, Encoding_Latin1); - - for (size_t i = 0; i < s.size(); i++) - { - if (s[i] == '\n') - { - // Go to the next line - a = x; - y += maxHeight_ + 1; - } - else - { - Characters::const_iterator c = characters_.find(s[i]); - if (c != characters_.end()) - { - DrawCharacter(target, *c->second, a, y + static_cast<int>(c->second->top_), color); - a += c->second->advance_; - } - } - } - } - - - void Font::Draw(ImageAccessor& target, - const std::string& utf8, - int x, - int y, - uint8_t grayscale) const - { - uint8_t color[4] = { grayscale, grayscale, grayscale, 255 }; - DrawInternal(target, utf8, x, y, color); - } - - - void Font::Draw(ImageAccessor& target, - const std::string& utf8, - int x, - int y, - uint8_t r, - uint8_t g, - uint8_t b) const - { - uint8_t color[4] = { r, g, b, 255 }; - DrawInternal(target, utf8, x, y, color); - } - -}
--- a/Core/ImageFormats/Font.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,105 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "ImageAccessor.h" - -#include <stdint.h> -#include <vector> -#include <map> - -namespace Orthanc -{ - class Font - { - private: - struct Character - { - unsigned int width_; - unsigned int height_; - unsigned int top_; - unsigned int advance_; - std::vector<uint8_t> bitmap_; - }; - - typedef std::map<char, Character*> Characters; - - std::string name_; - unsigned int size_; - Characters characters_; - unsigned int maxHeight_; - - void DrawCharacter(ImageAccessor& target, - const Character& character, - int x, - int y, - const uint8_t color[4]) const; - - void DrawInternal(ImageAccessor& target, - const std::string& utf8, - int x, - int y, - const uint8_t color[4]) const; - - public: - ~Font(); - - void LoadFromMemory(const std::string& font); - - void LoadFromFile(const std::string& path); - - const std::string& GetName() const - { - return name_; - } - - unsigned int GetSize() const - { - return size_; - } - - void Draw(ImageAccessor& target, - const std::string& utf8, - int x, - int y, - uint8_t grayscale) const; - - void Draw(ImageAccessor& target, - const std::string& utf8, - int x, - int y, - uint8_t r, - uint8_t g, - uint8_t b) const; - }; -}
--- a/Core/ImageFormats/FontRegistry.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,86 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "FontRegistry.h" - -#include "../OrthancException.h" - -#include <memory> - -namespace Orthanc -{ - FontRegistry::~FontRegistry() - { - for (Fonts::iterator it = fonts_.begin(); it != fonts_.end(); ++it) - { - delete *it; - } - } - - - void FontRegistry::AddFromMemory(const std::string& font) - { - std::auto_ptr<Font> f(new Font); - f->LoadFromMemory(font); - fonts_.push_back(f.release()); - } - - - void FontRegistry::AddFromFile(const std::string& path) - { - std::auto_ptr<Font> f(new Font); - f->LoadFromFile(path); - fonts_.push_back(f.release()); - } - - - void FontRegistry::AddFromResource(EmbeddedResources::FileResourceId resource) - { - std::string content; - EmbeddedResources::GetFileResource(content, resource); - AddFromMemory(content); - } - - - const Font& FontRegistry::GetFont(size_t i) const - { - if (i >= fonts_.size()) - { - throw OrthancException(ErrorCode_ParameterOutOfRange); - } - else - { - return *fonts_[i]; - } - } -}
--- a/Core/ImageFormats/FontRegistry.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,64 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "Font.h" - -#include <EmbeddedResources.h> // Autogenerated file - -namespace Orthanc -{ - class FontRegistry - { - private: - typedef std::vector<Font*> Fonts; - - Fonts fonts_; - - public: - ~FontRegistry(); - - void AddFromMemory(const std::string& font); - - void AddFromFile(const std::string& path); - - void AddFromResource(EmbeddedResources::FileResourceId resource); - - size_t GetSize() const - { - return fonts_.size(); - } - - const Font& GetFont(size_t i) const; - }; -}
--- a/Core/ImageFormats/Image.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,55 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "ImageAccessor.h" -#include "ImageBuffer.h" - -namespace Orthanc -{ - class Image : public ImageAccessor - { - private: - ImageBuffer buffer_; - - public: - Image(PixelFormat format, - unsigned int width, - unsigned int height) : - buffer_(format, width, height) - { - ImageAccessor accessor = buffer_.GetAccessor(); - AssignWritable(format, width, height, accessor.GetPitch(), accessor.GetBuffer()); - } - }; -}
--- a/Core/ImageFormats/ImageAccessor.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,229 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "ImageAccessor.h" - -#include "../Logging.h" -#include "../OrthancException.h" -#include "../ChunkedBuffer.h" - -#include <stdint.h> -#include <cassert> -#include <boost/lexical_cast.hpp> - - - -namespace Orthanc -{ - template <typename PixelType> - static void ToMatlabStringInternal(ChunkedBuffer& target, - const ImageAccessor& source) - { - target.AddChunk("double([ "); - - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - const PixelType* p = reinterpret_cast<const PixelType*>(source.GetConstRow(y)); - - std::string s; - if (y > 0) - { - s = "; "; - } - - s.reserve(source.GetWidth() * 8); - - for (unsigned int x = 0; x < source.GetWidth(); x++, p++) - { - s += boost::lexical_cast<std::string>(static_cast<int>(*p)) + " "; - } - - target.AddChunk(s); - } - - target.AddChunk("])"); - } - - - static void RGB24ToMatlabString(ChunkedBuffer& target, - const ImageAccessor& source) - { - assert(source.GetFormat() == PixelFormat_RGB24); - - target.AddChunk("double(permute(reshape([ "); - - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); - - std::string s; - s.reserve(source.GetWidth() * 3 * 8); - - for (unsigned int x = 0; x < 3 * source.GetWidth(); x++, p++) - { - s += boost::lexical_cast<std::string>(static_cast<int>(*p)) + " "; - } - - target.AddChunk(s); - } - - target.AddChunk("], [ 3 " + boost::lexical_cast<std::string>(source.GetHeight()) + - " " + boost::lexical_cast<std::string>(source.GetWidth()) + " ]), [ 3 2 1 ]))"); - } - - - void* ImageAccessor::GetBuffer() const - { - if (readOnly_) - { -#if ORTHANC_ENABLE_LOGGING == 1 - LOG(ERROR) << "Trying to write on a read-only image"; -#endif - - throw OrthancException(ErrorCode_ReadOnly); - } - - return buffer_; - } - - - const void* ImageAccessor::GetConstRow(unsigned int y) const - { - if (buffer_ != NULL) - { - return reinterpret_cast<const uint8_t*>(buffer_) + y * pitch_; - } - else - { - return NULL; - } - } - - - void* ImageAccessor::GetRow(unsigned int y) const - { - if (readOnly_) - { -#if ORTHANC_ENABLE_LOGGING == 1 - LOG(ERROR) << "Trying to write on a read-only image"; -#endif - - throw OrthancException(ErrorCode_ReadOnly); - } - - if (buffer_ != NULL) - { - return reinterpret_cast<uint8_t*>(buffer_) + y * pitch_; - } - else - { - return NULL; - } - } - - - void ImageAccessor::AssignEmpty(PixelFormat format) - { - readOnly_ = false; - format_ = format; - width_ = 0; - height_ = 0; - pitch_ = 0; - buffer_ = NULL; - } - - - void ImageAccessor::AssignReadOnly(PixelFormat format, - unsigned int width, - unsigned int height, - unsigned int pitch, - const void *buffer) - { - readOnly_ = true; - format_ = format; - width_ = width; - height_ = height; - pitch_ = pitch; - buffer_ = const_cast<void*>(buffer); - - assert(GetBytesPerPixel() * width_ <= pitch_); - } - - - void ImageAccessor::AssignWritable(PixelFormat format, - unsigned int width, - unsigned int height, - unsigned int pitch, - void *buffer) - { - readOnly_ = false; - format_ = format; - width_ = width; - height_ = height; - pitch_ = pitch; - buffer_ = buffer; - - assert(GetBytesPerPixel() * width_ <= pitch_); - } - - - void ImageAccessor::ToMatlabString(std::string& target) const - { - ChunkedBuffer buffer; - - switch (GetFormat()) - { - case PixelFormat_Grayscale8: - ToMatlabStringInternal<uint8_t>(buffer, *this); - break; - - case PixelFormat_Grayscale16: - ToMatlabStringInternal<uint16_t>(buffer, *this); - break; - - case PixelFormat_SignedGrayscale16: - ToMatlabStringInternal<int16_t>(buffer, *this); - break; - - case PixelFormat_RGB24: - RGB24ToMatlabString(buffer, *this); - break; - - default: - throw OrthancException(ErrorCode_NotImplemented); - } - - buffer.Flatten(target); - } - -}
--- a/Core/ImageFormats/ImageAccessor.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,123 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "../Enumerations.h" - -#include <string> - -namespace Orthanc -{ - class ImageAccessor - { - private: - bool readOnly_; - PixelFormat format_; - unsigned int width_; - unsigned int height_; - unsigned int pitch_; - void *buffer_; - - public: - ImageAccessor() - { - AssignEmpty(PixelFormat_Grayscale8); - } - - virtual ~ImageAccessor() - { - } - - bool IsReadOnly() const - { - return readOnly_; - } - - PixelFormat GetFormat() const - { - return format_; - } - - unsigned int GetBytesPerPixel() const - { - return ::Orthanc::GetBytesPerPixel(format_); - } - - unsigned int GetWidth() const - { - return width_; - } - - unsigned int GetHeight() const - { - return height_; - } - - unsigned int GetPitch() const - { - return pitch_; - } - - unsigned int GetSize() const - { - return GetHeight() * GetPitch(); - } - - const void* GetConstBuffer() const - { - return buffer_; - } - - void* GetBuffer() const; - - const void* GetConstRow(unsigned int y) const; - - void* GetRow(unsigned int y) const; - - void AssignEmpty(PixelFormat format); - - void AssignReadOnly(PixelFormat format, - unsigned int width, - unsigned int height, - unsigned int pitch, - const void *buffer); - - void AssignWritable(PixelFormat format, - unsigned int width, - unsigned int height, - unsigned int pitch, - void *buffer); - - void ToMatlabString(std::string& target) const; - }; -}
--- a/Core/ImageFormats/ImageBuffer.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,192 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "ImageBuffer.h" - -#include "../OrthancException.h" - -#include <stdio.h> -#include <stdlib.h> - -namespace Orthanc -{ - void ImageBuffer::Allocate() - { - if (changed_) - { - Deallocate(); - - /* - if (forceMinimalPitch_) - { - TODO: Align pitch and memory buffer to optimal size for SIMD. - } - */ - - pitch_ = GetBytesPerPixel() * width_; - size_t size = pitch_ * height_; - - if (size == 0) - { - buffer_ = NULL; - } - else - { - buffer_ = malloc(size); - if (buffer_ == NULL) - { - throw OrthancException(ErrorCode_NotEnoughMemory); - } - } - - changed_ = false; - } - } - - - void ImageBuffer::Deallocate() - { - if (buffer_ != NULL) - { - free(buffer_); - buffer_ = NULL; - changed_ = true; - } - } - - - ImageBuffer::ImageBuffer(PixelFormat format, - unsigned int width, - unsigned int height) - { - Initialize(); - SetWidth(width); - SetHeight(height); - SetFormat(format); - } - - - void ImageBuffer::Initialize() - { - changed_ = false; - forceMinimalPitch_ = true; - format_ = PixelFormat_Grayscale8; - width_ = 0; - height_ = 0; - pitch_ = 0; - buffer_ = NULL; - } - - - void ImageBuffer::SetFormat(PixelFormat format) - { - if (format != format_) - { - changed_ = true; - format_ = format; - } - } - - - void ImageBuffer::SetWidth(unsigned int width) - { - if (width != width_) - { - changed_ = true; - width_ = width; - } - } - - - void ImageBuffer::SetHeight(unsigned int height) - { - if (height != height_) - { - changed_ = true; - height_ = height; - } - } - - - ImageAccessor ImageBuffer::GetAccessor() - { - Allocate(); - - ImageAccessor accessor; - accessor.AssignWritable(format_, width_, height_, pitch_, buffer_); - return accessor; - } - - - ImageAccessor ImageBuffer::GetConstAccessor() - { - Allocate(); - - ImageAccessor accessor; - accessor.AssignReadOnly(format_, width_, height_, pitch_, buffer_); - return accessor; - } - - - void ImageBuffer::SetMinimalPitchForced(bool force) - { - if (force != forceMinimalPitch_) - { - changed_ = true; - forceMinimalPitch_ = force; - } - } - - - void ImageBuffer::AcquireOwnership(ImageBuffer& other) - { - // Remove the content of the current image - Deallocate(); - - // Force the allocation of the other image (if not already - // allocated) - other.Allocate(); - - // Transfer the content of the other image - changed_ = false; - forceMinimalPitch_ = other.forceMinimalPitch_; - format_ = other.format_; - width_ = other.width_; - height_ = other.height_; - pitch_ = other.pitch_; - buffer_ = other.buffer_; - - // Force the reinitialization of the other image - other.Initialize(); - } -}
--- a/Core/ImageFormats/ImageBuffer.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,115 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "ImageAccessor.h" - -#include <vector> -#include <stdint.h> -#include <boost/noncopyable.hpp> - -namespace Orthanc -{ - class ImageBuffer : public boost::noncopyable - { - private: - bool changed_; - - bool forceMinimalPitch_; // Currently unused - PixelFormat format_; - unsigned int width_; - unsigned int height_; - unsigned int pitch_; - void *buffer_; - - void Initialize(); - - void Allocate(); - - void Deallocate(); - - public: - ImageBuffer(PixelFormat format, - unsigned int width, - unsigned int height); - - ImageBuffer() - { - Initialize(); - } - - ~ImageBuffer() - { - Deallocate(); - } - - PixelFormat GetFormat() const - { - return format_; - } - - void SetFormat(PixelFormat format); - - unsigned int GetWidth() const - { - return width_; - } - - void SetWidth(unsigned int width); - - unsigned int GetHeight() const - { - return height_; - } - - void SetHeight(unsigned int height); - - unsigned int GetBytesPerPixel() const - { - return ::Orthanc::GetBytesPerPixel(format_); - } - - ImageAccessor GetAccessor(); - - ImageAccessor GetConstAccessor(); - - bool IsMinimalPitchForced() const - { - return forceMinimalPitch_; - } - - void SetMinimalPitchForced(bool force); - - void AcquireOwnership(ImageBuffer& other); - }; -}
--- a/Core/ImageFormats/ImageProcessing.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,592 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "ImageProcessing.h" - -#include "../OrthancException.h" - -#include <boost/math/special_functions/round.hpp> - -#include <cassert> -#include <string.h> -#include <limits> -#include <stdint.h> - -namespace Orthanc -{ - template <typename TargetType, typename SourceType> - static void ConvertInternal(ImageAccessor& target, - const ImageAccessor& source) - { - const TargetType minValue = std::numeric_limits<TargetType>::min(); - const TargetType maxValue = std::numeric_limits<TargetType>::max(); - - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - TargetType* t = reinterpret_cast<TargetType*>(target.GetRow(y)); - const SourceType* s = reinterpret_cast<const SourceType*>(source.GetConstRow(y)); - - for (unsigned int x = 0; x < source.GetWidth(); x++, t++, s++) - { - if (static_cast<int32_t>(*s) < static_cast<int32_t>(minValue)) - { - *t = minValue; - } - else if (static_cast<int32_t>(*s) > static_cast<int32_t>(maxValue)) - { - *t = maxValue; - } - else - { - *t = static_cast<TargetType>(*s); - } - } - } - } - - - template <typename TargetType> - static void ConvertColorToGrayscale(ImageAccessor& target, - const ImageAccessor& source) - { - assert(source.GetFormat() == PixelFormat_RGB24); - - const TargetType minValue = std::numeric_limits<TargetType>::min(); - const TargetType maxValue = std::numeric_limits<TargetType>::max(); - - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - TargetType* t = reinterpret_cast<TargetType*>(target.GetRow(y)); - const uint8_t* s = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); - - for (unsigned int x = 0; x < source.GetWidth(); x++, t++, s += 3) - { - // Y = 0.2126 R + 0.7152 G + 0.0722 B - int32_t v = (2126 * static_cast<int32_t>(s[0]) + - 7152 * static_cast<int32_t>(s[1]) + - 0722 * static_cast<int32_t>(s[2])) / 1000; - - if (static_cast<int32_t>(v) < static_cast<int32_t>(minValue)) - { - *t = minValue; - } - else if (static_cast<int32_t>(v) > static_cast<int32_t>(maxValue)) - { - *t = maxValue; - } - else - { - *t = static_cast<TargetType>(v); - } - } - } - } - - - template <typename PixelType> - static void SetInternal(ImageAccessor& image, - int64_t constant) - { - for (unsigned int y = 0; y < image.GetHeight(); y++) - { - PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); - - for (unsigned int x = 0; x < image.GetWidth(); x++, p++) - { - *p = static_cast<PixelType>(constant); - } - } - } - - - template <typename PixelType> - static void GetMinMaxValueInternal(PixelType& minValue, - PixelType& maxValue, - const ImageAccessor& source) - { - // Deal with the special case of empty image - if (source.GetWidth() == 0 || - source.GetHeight() == 0) - { - minValue = 0; - maxValue = 0; - return; - } - - minValue = std::numeric_limits<PixelType>::max(); - maxValue = std::numeric_limits<PixelType>::min(); - - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - const PixelType* p = reinterpret_cast<const PixelType*>(source.GetConstRow(y)); - - for (unsigned int x = 0; x < source.GetWidth(); x++, p++) - { - if (*p < minValue) - { - minValue = *p; - } - - if (*p > maxValue) - { - maxValue = *p; - } - } - } - } - - - - template <typename PixelType> - static void AddConstantInternal(ImageAccessor& image, - int64_t constant) - { - if (constant == 0) - { - return; - } - - const int64_t minValue = std::numeric_limits<PixelType>::min(); - const int64_t maxValue = std::numeric_limits<PixelType>::max(); - - for (unsigned int y = 0; y < image.GetHeight(); y++) - { - PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); - - for (unsigned int x = 0; x < image.GetWidth(); x++, p++) - { - int64_t v = static_cast<int64_t>(*p) + constant; - - if (v > maxValue) - { - *p = std::numeric_limits<PixelType>::max(); - } - else if (v < minValue) - { - *p = std::numeric_limits<PixelType>::min(); - } - else - { - *p = static_cast<PixelType>(v); - } - } - } - } - - - - template <typename PixelType> - void MultiplyConstantInternal(ImageAccessor& image, - float factor) - { - if (std::abs(factor - 1.0f) <= std::numeric_limits<float>::epsilon()) - { - return; - } - - const int64_t minValue = std::numeric_limits<PixelType>::min(); - const int64_t maxValue = std::numeric_limits<PixelType>::max(); - - for (unsigned int y = 0; y < image.GetHeight(); y++) - { - PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); - - for (unsigned int x = 0; x < image.GetWidth(); x++, p++) - { - int64_t v = boost::math::llround(static_cast<float>(*p) * factor); - - if (v > maxValue) - { - *p = std::numeric_limits<PixelType>::max(); - } - else if (v < minValue) - { - *p = std::numeric_limits<PixelType>::min(); - } - else - { - *p = static_cast<PixelType>(v); - } - } - } - } - - - template <typename PixelType> - void ShiftScaleInternal(ImageAccessor& image, - float offset, - float scaling) - { - const float minValue = static_cast<float>(std::numeric_limits<PixelType>::min()); - const float maxValue = static_cast<float>(std::numeric_limits<PixelType>::max()); - - for (unsigned int y = 0; y < image.GetHeight(); y++) - { - PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); - - for (unsigned int x = 0; x < image.GetWidth(); x++, p++) - { - float v = (static_cast<float>(*p) + offset) * scaling; - - if (v > maxValue) - { - *p = std::numeric_limits<PixelType>::max(); - } - else if (v < minValue) - { - *p = std::numeric_limits<PixelType>::min(); - } - else - { - *p = static_cast<PixelType>(boost::math::iround(v)); - } - } - } - } - - - void ImageProcessing::Copy(ImageAccessor& target, - const ImageAccessor& source) - { - if (target.GetWidth() != source.GetWidth() || - target.GetHeight() != source.GetHeight()) - { - throw OrthancException(ErrorCode_IncompatibleImageSize); - } - - if (target.GetFormat() != source.GetFormat()) - { - throw OrthancException(ErrorCode_IncompatibleImageFormat); - } - - unsigned int lineSize = GetBytesPerPixel(source.GetFormat()) * source.GetWidth(); - - assert(source.GetPitch() >= lineSize && target.GetPitch() >= lineSize); - - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - memcpy(target.GetRow(y), source.GetConstRow(y), lineSize); - } - } - - - void ImageProcessing::Convert(ImageAccessor& target, - const ImageAccessor& source) - { - if (target.GetWidth() != source.GetWidth() || - target.GetHeight() != source.GetHeight()) - { - throw OrthancException(ErrorCode_IncompatibleImageSize); - } - - if (source.GetFormat() == target.GetFormat()) - { - Copy(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_Grayscale16 && - source.GetFormat() == PixelFormat_Grayscale8) - { - ConvertInternal<uint16_t, uint8_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_SignedGrayscale16 && - source.GetFormat() == PixelFormat_Grayscale8) - { - ConvertInternal<int16_t, uint8_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_Grayscale8 && - source.GetFormat() == PixelFormat_Grayscale16) - { - ConvertInternal<uint8_t, uint16_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_SignedGrayscale16 && - source.GetFormat() == PixelFormat_Grayscale16) - { - ConvertInternal<int16_t, uint16_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_Grayscale8 && - source.GetFormat() == PixelFormat_SignedGrayscale16) - { - ConvertInternal<uint8_t, int16_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_Grayscale16 && - source.GetFormat() == PixelFormat_SignedGrayscale16) - { - ConvertInternal<uint16_t, int16_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_Grayscale8 && - source.GetFormat() == PixelFormat_RGB24) - { - ConvertColorToGrayscale<uint8_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_Grayscale16 && - source.GetFormat() == PixelFormat_RGB24) - { - ConvertColorToGrayscale<uint16_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_SignedGrayscale16 && - source.GetFormat() == PixelFormat_RGB24) - { - ConvertColorToGrayscale<int16_t>(target, source); - return; - } - - if (target.GetFormat() == PixelFormat_Grayscale8 && - source.GetFormat() == PixelFormat_RGBA32) - { - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); - uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); - for (unsigned int x = 0; x < source.GetWidth(); x++, q++) - { - *q = static_cast<uint8_t>((2126 * static_cast<uint32_t>(p[0]) + - 7152 * static_cast<uint32_t>(p[1]) + - 0722 * static_cast<uint32_t>(p[2])) / 10000); - p += 4; - } - } - - return; - } - - if (target.GetFormat() == PixelFormat_RGB24 && - source.GetFormat() == PixelFormat_RGBA32) - { - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); - uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); - for (unsigned int x = 0; x < source.GetWidth(); x++) - { - q[0] = p[0]; - q[1] = p[1]; - q[2] = p[2]; - p += 4; - q += 3; - } - } - - return; - } - - if (target.GetFormat() == PixelFormat_RGBA32 && - source.GetFormat() == PixelFormat_RGB24) - { - for (unsigned int y = 0; y < source.GetHeight(); y++) - { - const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); - uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); - for (unsigned int x = 0; x < source.GetWidth(); x++) - { - q[0] = p[0]; - q[1] = p[1]; - q[2] = p[2]; - q[3] = 255; // Set the alpha channel to full opacity - p += 3; - q += 4; - } - } - - return; - } - - throw OrthancException(ErrorCode_NotImplemented); - } - - - - void ImageProcessing::Set(ImageAccessor& image, - int64_t value) - { - switch (image.GetFormat()) - { - case PixelFormat_Grayscale8: - SetInternal<uint8_t>(image, value); - return; - - case PixelFormat_Grayscale16: - SetInternal<uint16_t>(image, value); - return; - - case PixelFormat_SignedGrayscale16: - SetInternal<int16_t>(image, value); - return; - - default: - throw OrthancException(ErrorCode_NotImplemented); - } - } - - - void ImageProcessing::ShiftRight(ImageAccessor& image, - unsigned int shift) - { - if (image.GetWidth() == 0 || - image.GetHeight() == 0 || - shift == 0) - { - // Nothing to do - return; - } - - throw OrthancException(ErrorCode_NotImplemented); - } - - - void ImageProcessing::GetMinMaxValue(int64_t& minValue, - int64_t& maxValue, - const ImageAccessor& image) - { - switch (image.GetFormat()) - { - case PixelFormat_Grayscale8: - { - uint8_t a, b; - GetMinMaxValueInternal<uint8_t>(a, b, image); - minValue = a; - maxValue = b; - break; - } - - case PixelFormat_Grayscale16: - { - uint16_t a, b; - GetMinMaxValueInternal<uint16_t>(a, b, image); - minValue = a; - maxValue = b; - break; - } - - case PixelFormat_SignedGrayscale16: - { - int16_t a, b; - GetMinMaxValueInternal<int16_t>(a, b, image); - minValue = a; - maxValue = b; - break; - } - - default: - throw OrthancException(ErrorCode_NotImplemented); - } - } - - - - void ImageProcessing::AddConstant(ImageAccessor& image, - int64_t value) - { - switch (image.GetFormat()) - { - case PixelFormat_Grayscale8: - AddConstantInternal<uint8_t>(image, value); - return; - - case PixelFormat_Grayscale16: - AddConstantInternal<uint16_t>(image, value); - return; - - case PixelFormat_SignedGrayscale16: - AddConstantInternal<int16_t>(image, value); - return; - - default: - throw OrthancException(ErrorCode_NotImplemented); - } - } - - - void ImageProcessing::MultiplyConstant(ImageAccessor& image, - float factor) - { - switch (image.GetFormat()) - { - case PixelFormat_Grayscale8: - MultiplyConstantInternal<uint8_t>(image, factor); - return; - - case PixelFormat_Grayscale16: - MultiplyConstantInternal<uint16_t>(image, factor); - return; - - case PixelFormat_SignedGrayscale16: - MultiplyConstantInternal<int16_t>(image, factor); - return; - - default: - throw OrthancException(ErrorCode_NotImplemented); - } - } - - - void ImageProcessing::ShiftScale(ImageAccessor& image, - float offset, - float scaling) - { - switch (image.GetFormat()) - { - case PixelFormat_Grayscale8: - ShiftScaleInternal<uint8_t>(image, offset, scaling); - return; - - case PixelFormat_Grayscale16: - ShiftScaleInternal<uint16_t>(image, offset, scaling); - return; - - case PixelFormat_SignedGrayscale16: - ShiftScaleInternal<int16_t>(image, offset, scaling); - return; - - default: - throw OrthancException(ErrorCode_NotImplemented); - } - } -}
--- a/Core/ImageFormats/ImageProcessing.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,70 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "ImageAccessor.h" - -#include <stdint.h> - -namespace Orthanc -{ - class ImageProcessing - { - public: - static void Copy(ImageAccessor& target, - const ImageAccessor& source); - - static void Convert(ImageAccessor& target, - const ImageAccessor& source); - - static void Set(ImageAccessor& image, - int64_t value); - - static void ShiftRight(ImageAccessor& target, - unsigned int shift); - - static void GetMinMaxValue(int64_t& minValue, - int64_t& maxValue, - const ImageAccessor& image); - - static void AddConstant(ImageAccessor& image, - int64_t value); - - static void MultiplyConstant(ImageAccessor& image, - float factor); - - static void ShiftScale(ImageAccessor& image, - float offset, - float scaling); - }; -}
--- a/Core/ImageFormats/JpegErrorManager.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,69 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "JpegErrorManager.h" - -namespace Orthanc -{ - namespace Internals - { - void JpegErrorManager::OutputMessage(j_common_ptr cinfo) - { - char message[JMSG_LENGTH_MAX]; - (*cinfo->err->format_message) (cinfo, message); - - JpegErrorManager* that = reinterpret_cast<JpegErrorManager*>(cinfo->err); - that->message = std::string(message); - } - - - void JpegErrorManager::ErrorExit(j_common_ptr cinfo) - { - (*cinfo->err->output_message) (cinfo); - - JpegErrorManager* that = reinterpret_cast<JpegErrorManager*>(cinfo->err); - longjmp(that->setjmp_buffer, 1); - } - - - JpegErrorManager::JpegErrorManager() - { - memset(&pub, 0, sizeof(struct jpeg_error_mgr)); - memset(&setjmp_buffer, 0, sizeof(jmp_buf)); - - jpeg_std_error(&pub); - pub.error_exit = ErrorExit; - pub.output_message = OutputMessage; - } - } -}
--- a/Core/ImageFormats/JpegErrorManager.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,74 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - -#pragma once - -#include <string.h> -#include <stdio.h> -#include <jpeglib.h> -#include <setjmp.h> -#include <string> - -namespace Orthanc -{ - namespace Internals - { - class JpegErrorManager - { - private: - struct jpeg_error_mgr pub; /* "public" fields */ - jmp_buf setjmp_buffer; /* for return to caller */ - std::string message; - - static void OutputMessage(j_common_ptr cinfo); - - static void ErrorExit(j_common_ptr cinfo); - - public: - JpegErrorManager(); - - struct jpeg_error_mgr* GetPublic() - { - return &pub; - } - - jmp_buf& GetJumpBuffer() - { - return setjmp_buffer; - } - - const std::string& GetMessage() const - { - return message; - } - }; - } -}
--- a/Core/ImageFormats/JpegReader.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,184 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "JpegReader.h" - -#include "JpegErrorManager.h" -#include "../OrthancException.h" -#include "../Logging.h" - -namespace Orthanc -{ - static void Uncompress(struct jpeg_decompress_struct& cinfo, - std::string& content, - ImageAccessor& accessor) - { - jpeg_read_header(&cinfo, TRUE); - jpeg_start_decompress(&cinfo); - - PixelFormat format; - if (cinfo.output_components == 1 && - cinfo.out_color_space == JCS_GRAYSCALE) - { - format = PixelFormat_Grayscale8; - } - else if (cinfo.output_components == 3 && - cinfo.out_color_space == JCS_RGB) - { - format = PixelFormat_RGB24; - } - else - { - throw OrthancException(ErrorCode_NotImplemented); - } - - unsigned int pitch = cinfo.output_width * cinfo.output_components; - - /* Make a one-row-high sample array that will go away when done with image */ - JSAMPARRAY buffer = (*cinfo.mem->alloc_sarray) ((j_common_ptr) &cinfo, JPOOL_IMAGE, pitch, 1); - - try - { - content.resize(pitch * cinfo.output_height); - } - catch (...) - { - throw OrthancException(ErrorCode_NotEnoughMemory); - } - - accessor.AssignWritable(format, cinfo.output_width, cinfo.output_height, pitch, - content.empty() ? NULL : &content[0]); - - uint8_t* target = reinterpret_cast<uint8_t*>(&content[0]); - while (cinfo.output_scanline < cinfo.output_height) - { - jpeg_read_scanlines(&cinfo, buffer, 1); - memcpy(target, buffer[0], pitch); - target += pitch; - } - - // Everything went fine, "setjmp()" didn't get called - - jpeg_finish_decompress(&cinfo); - } - - - void JpegReader::ReadFromFile(const char* filename) - { - FILE* fp = fopen(filename, "rb"); - if (!fp) - { - throw OrthancException(ErrorCode_InexistentFile); - } - - struct jpeg_decompress_struct cinfo; - memset(&cinfo, 0, sizeof(struct jpeg_decompress_struct)); - - Internals::JpegErrorManager jerr; - cinfo.err = jerr.GetPublic(); - - if (setjmp(jerr.GetJumpBuffer())) - { - jpeg_destroy_decompress(&cinfo); - fclose(fp); - LOG(ERROR) << "Error during JPEG encoding: " << jerr.GetMessage(); - throw OrthancException(ErrorCode_InternalError); - } - - // Below this line, we are under the scope of a "setjmp" - - jpeg_create_decompress(&cinfo); - jpeg_stdio_src(&cinfo, fp); - - try - { - Uncompress(cinfo, content_, *this); - } - catch (OrthancException&) - { - jpeg_destroy_decompress(&cinfo); - fclose(fp); - throw; - } - - jpeg_destroy_decompress(&cinfo); - fclose(fp); - } - - - void JpegReader::ReadFromMemory(const void* buffer, - size_t size) - { - struct jpeg_decompress_struct cinfo; - memset(&cinfo, 0, sizeof(struct jpeg_decompress_struct)); - - Internals::JpegErrorManager jerr; - cinfo.err = jerr.GetPublic(); - - if (setjmp(jerr.GetJumpBuffer())) - { - jpeg_destroy_decompress(&cinfo); - LOG(ERROR) << "Error during JPEG encoding: " << jerr.GetMessage(); - throw OrthancException(ErrorCode_InternalError); - } - - // Below this line, we are under the scope of a "setjmp" - jpeg_create_decompress(&cinfo); - jpeg_mem_src(&cinfo, const_cast<unsigned char*>(reinterpret_cast<const unsigned char*>(buffer)), size); - - try - { - Uncompress(cinfo, content_, *this); - } - catch (OrthancException&) - { - jpeg_destroy_decompress(&cinfo); - throw; - } - - jpeg_destroy_decompress(&cinfo); - } - - - void JpegReader::ReadFromMemory(const std::string& buffer) - { - if (buffer.empty()) - { - ReadFromMemory(NULL, 0); - } - else - { - ReadFromMemory(buffer.c_str(), buffer.size()); - } - } -}
--- a/Core/ImageFormats/JpegReader.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,59 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "ImageAccessor.h" - -#include <string> - -namespace Orthanc -{ - class JpegReader : public ImageAccessor - { - private: - std::string content_; - - public: - void ReadFromFile(const char* filename); - - void ReadFromFile(const std::string& filename) - { - ReadFromFile(filename.c_str()); - } - - void ReadFromMemory(const void* buffer, - size_t size); - - void ReadFromMemory(const std::string& buffer); - }; -}
--- a/Core/ImageFormats/JpegWriter.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,202 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "JpegWriter.h" - -#include "../OrthancException.h" -#include "../Logging.h" - -#include "JpegErrorManager.h" - -#include <vector> - -namespace Orthanc -{ - static void GetLines(std::vector<uint8_t*>& lines, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer) - { - if (format != PixelFormat_Grayscale8 && - format != PixelFormat_RGB24) - { - throw OrthancException(ErrorCode_ParameterOutOfRange); - } - - lines.resize(height); - - uint8_t* base = const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(buffer)); - for (unsigned int y = 0; y < height; y++) - { - lines[y] = base + static_cast<intptr_t>(y) * static_cast<intptr_t>(pitch); - } - } - - - static void Compress(struct jpeg_compress_struct& cinfo, - std::vector<uint8_t*>& lines, - unsigned int width, - unsigned int height, - PixelFormat format, - int quality) - { - cinfo.image_width = width; - cinfo.image_height = height; - - switch (format) - { - case PixelFormat_Grayscale8: - cinfo.input_components = 1; - cinfo.in_color_space = JCS_GRAYSCALE; - break; - - case PixelFormat_RGB24: - cinfo.input_components = 3; - cinfo.in_color_space = JCS_RGB; - break; - - default: - throw OrthancException(ErrorCode_InternalError); - } - - jpeg_set_defaults(&cinfo); - jpeg_set_quality(&cinfo, quality, TRUE); - jpeg_start_compress(&cinfo, TRUE); - jpeg_write_scanlines(&cinfo, &lines[0], height); - jpeg_finish_compress(&cinfo); - jpeg_destroy_compress(&cinfo); - } - - - void JpegWriter::SetQuality(uint8_t quality) - { - if (quality <= 0 || quality > 100) - { - throw OrthancException(ErrorCode_ParameterOutOfRange); - } - - quality_ = quality; - } - - - void JpegWriter::WriteToFile(const char* filename, - unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer) - { - FILE* fp = fopen(filename, "wb"); - if (fp == NULL) - { - throw OrthancException(ErrorCode_FullStorage); - } - - std::vector<uint8_t*> lines; - GetLines(lines, height, pitch, format, buffer); - - struct jpeg_compress_struct cinfo; - memset(&cinfo, 0, sizeof(struct jpeg_compress_struct)); - - Internals::JpegErrorManager jerr; - cinfo.err = jerr.GetPublic(); - - if (setjmp(jerr.GetJumpBuffer())) - { - /* If we get here, the JPEG code has signaled an error. - * We need to clean up the JPEG object, close the input file, and return. - */ - jpeg_destroy_compress(&cinfo); - fclose(fp); - LOG(ERROR) << "Error during JPEG encoding: " << jerr.GetMessage(); - throw OrthancException(ErrorCode_InternalError); - } - - // Do not allocate data on the stack below this line! - - jpeg_create_compress(&cinfo); - jpeg_stdio_dest(&cinfo, fp); - Compress(cinfo, lines, width, height, format, quality_); - - // Everything went fine, "setjmp()" didn't get called - - fclose(fp); - } - - - void JpegWriter::WriteToMemory(std::string& jpeg, - unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer) - { - std::vector<uint8_t*> lines; - GetLines(lines, height, pitch, format, buffer); - - struct jpeg_compress_struct cinfo; - memset(&cinfo, 0, sizeof(struct jpeg_compress_struct)); - - Internals::JpegErrorManager jerr; - - unsigned char* data = NULL; - unsigned long size; - - if (setjmp(jerr.GetJumpBuffer())) - { - jpeg_destroy_compress(&cinfo); - - if (data != NULL) - { - free(data); - } - - LOG(ERROR) << "Error during JPEG encoding: " << jerr.GetMessage(); - throw OrthancException(ErrorCode_InternalError); - } - - // Do not allocate data on the stack below this line! - - jpeg_create_compress(&cinfo); - cinfo.err = jerr.GetPublic(); - jpeg_mem_dest(&cinfo, &data, &size); - - Compress(cinfo, lines, width, height, format, quality_); - - // Everything went fine, "setjmp()" didn't get called - - jpeg.assign(reinterpret_cast<const char*>(data), size); - free(data); - } -}
--- a/Core/ImageFormats/JpegWriter.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,87 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "ImageAccessor.h" - -#include <string> -#include <stdint.h> - -namespace Orthanc -{ - class JpegWriter - { - private: - int quality_; - - public: - JpegWriter() : quality_(90) - { - } - - void SetQuality(uint8_t quality); - - uint8_t GetQuality() const - { - return quality_; - } - - void WriteToFile(const char* filename, - unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer); - - void WriteToMemory(std::string& jpeg, - unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer); - - void WriteToFile(const char* filename, - const ImageAccessor& accessor) - { - WriteToFile(filename, accessor.GetWidth(), accessor.GetHeight(), - accessor.GetPitch(), accessor.GetFormat(), accessor.GetConstBuffer()); - } - - void WriteToMemory(std::string& jpeg, - const ImageAccessor& accessor) - { - WriteToMemory(jpeg, accessor.GetWidth(), accessor.GetHeight(), - accessor.GetPitch(), accessor.GetFormat(), accessor.GetConstBuffer()); - } - }; -}
--- a/Core/ImageFormats/PngReader.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,313 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "PngReader.h" - -#include "../OrthancException.h" -#include "../Toolbox.h" - -#include <png.h> -#include <string.h> // For memcpy() - -namespace Orthanc -{ - namespace - { - struct FileRabi - { - FILE* fp_; - - FileRabi(const char* filename) - { - fp_ = fopen(filename, "rb"); - if (!fp_) - { - throw OrthancException(ErrorCode_InexistentFile); - } - } - - ~FileRabi() - { - if (fp_) - fclose(fp_); - } - }; - } - - - struct PngReader::PngRabi - { - png_structp png_; - png_infop info_; - png_infop endInfo_; - - void Destruct() - { - if (png_) - { - png_destroy_read_struct(&png_, &info_, &endInfo_); - - png_ = NULL; - info_ = NULL; - endInfo_ = NULL; - } - } - - PngRabi() - { - png_ = NULL; - info_ = NULL; - endInfo_ = NULL; - - png_ = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (!png_) - { - throw OrthancException(ErrorCode_NotEnoughMemory); - } - - info_ = png_create_info_struct(png_); - if (!info_) - { - png_destroy_read_struct(&png_, NULL, NULL); - throw OrthancException(ErrorCode_NotEnoughMemory); - } - - endInfo_ = png_create_info_struct(png_); - if (!info_) - { - png_destroy_read_struct(&png_, &info_, NULL); - throw OrthancException(ErrorCode_NotEnoughMemory); - } - } - - ~PngRabi() - { - Destruct(); - } - - static void MemoryCallback(png_structp png_ptr, - png_bytep data, - png_size_t size); - }; - - - void PngReader::CheckHeader(const void* header) - { - int is_png = !png_sig_cmp((png_bytep) header, 0, 8); - if (!is_png) - { - throw OrthancException(ErrorCode_BadFileFormat); - } - } - - PngReader::PngReader() - { - } - - void PngReader::Read(PngRabi& rabi) - { - png_set_sig_bytes(rabi.png_, 8); - - png_read_info(rabi.png_, rabi.info_); - - png_uint_32 width, height; - int bit_depth, color_type, interlace_type; - int compression_type, filter_method; - // get size and bit-depth of the PNG-image - png_get_IHDR(rabi.png_, rabi.info_, - &width, &height, - &bit_depth, &color_type, &interlace_type, - &compression_type, &filter_method); - - PixelFormat format; - unsigned int pitch; - - if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth == 8) - { - format = PixelFormat_Grayscale8; - pitch = width; - } - else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth == 16) - { - format = PixelFormat_Grayscale16; - pitch = 2 * width; - - if (Toolbox::DetectEndianness() == Endianness_Little) - { - png_set_swap(rabi.png_); - } - } - else if (color_type == PNG_COLOR_TYPE_RGB && bit_depth == 8) - { - format = PixelFormat_RGB24; - pitch = 3 * width; - } - else if (color_type == PNG_COLOR_TYPE_RGBA && bit_depth == 8) - { - format = PixelFormat_RGBA32; - pitch = 4 * width; - } - else - { - throw OrthancException(ErrorCode_NotImplemented); - } - - data_.resize(height * pitch); - - if (height == 0 || width == 0) - { - // Empty image, we are done - AssignEmpty(format); - return; - } - - png_read_update_info(rabi.png_, rabi.info_); - - std::vector<png_bytep> rows(height); - for (size_t i = 0; i < height; i++) - { - rows[i] = &data_[0] + i * pitch; - } - - png_read_image(rabi.png_, &rows[0]); - - AssignWritable(format, width, height, pitch, &data_[0]); - } - - void PngReader::ReadFromFile(const char* filename) - { - FileRabi f(filename); - - char header[8]; - if (fread(header, 1, 8, f.fp_) != 8) - { - throw OrthancException(ErrorCode_BadFileFormat); - } - - CheckHeader(header); - - PngRabi rabi; - - if (setjmp(png_jmpbuf(rabi.png_))) - { - rabi.Destruct(); - throw OrthancException(ErrorCode_BadFileFormat); - } - - png_init_io(rabi.png_, f.fp_); - - Read(rabi); - } - - - namespace - { - struct MemoryBuffer - { - const uint8_t* buffer_; - size_t size_; - size_t pos_; - bool ok_; - }; - } - - - void PngReader::PngRabi::MemoryCallback(png_structp png_ptr, - png_bytep outBytes, - png_size_t byteCountToRead) - { - MemoryBuffer* from = reinterpret_cast<MemoryBuffer*>(png_get_io_ptr(png_ptr)); - - if (!from->ok_) - { - return; - } - - if (from->pos_ + byteCountToRead > from->size_) - { - from->ok_ = false; - return; - } - - memcpy(outBytes, from->buffer_ + from->pos_, byteCountToRead); - - from->pos_ += byteCountToRead; - } - - - void PngReader::ReadFromMemory(const void* buffer, - size_t size) - { - if (size < 8) - { - throw OrthancException(ErrorCode_BadFileFormat); - } - - CheckHeader(buffer); - - PngRabi rabi; - - if (setjmp(png_jmpbuf(rabi.png_))) - { - rabi.Destruct(); - throw OrthancException(ErrorCode_BadFileFormat); - } - - MemoryBuffer tmp; - tmp.buffer_ = reinterpret_cast<const uint8_t*>(buffer) + 8; // We skip the header - tmp.size_ = size - 8; - tmp.pos_ = 0; - tmp.ok_ = true; - - png_set_read_fn(rabi.png_, &tmp, PngRabi::MemoryCallback); - - Read(rabi); - - if (!tmp.ok_) - { - throw OrthancException(ErrorCode_BadFileFormat); - } - } - - void PngReader::ReadFromMemory(const std::string& buffer) - { - if (buffer.size() != 0) - { - ReadFromMemory(&buffer[0], buffer.size()); - } - else - { - ReadFromMemory(NULL, 0); - } - } -}
--- a/Core/ImageFormats/PngReader.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,71 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "ImageAccessor.h" - -#include "../Enumerations.h" - -#include <vector> -#include <stdint.h> -#include <boost/shared_ptr.hpp> - -namespace Orthanc -{ - class PngReader : public ImageAccessor - { - private: - struct PngRabi; - - std::vector<uint8_t> data_; - - void CheckHeader(const void* header); - - void Read(PngRabi& rabi); - - public: - PngReader(); - - void ReadFromFile(const char* filename); - - void ReadFromFile(const std::string& filename) - { - ReadFromFile(filename.c_str()); - } - - void ReadFromMemory(const void* buffer, - size_t size); - - void ReadFromMemory(const std::string& buffer); - }; -}
--- a/Core/ImageFormats/PngWriter.cpp Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,269 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#include "../PrecompiledHeaders.h" -#include "PngWriter.h" - -#include <vector> -#include <stdint.h> -#include <png.h> -#include "../OrthancException.h" -#include "../ChunkedBuffer.h" -#include "../Toolbox.h" - - -// http://www.libpng.org/pub/png/libpng-1.2.5-manual.html#section-4 -// http://zarb.org/~gc/html/libpng.html -/* - void write_row_callback(png_ptr, png_uint_32 row, int pass) - { - }*/ - - - - -/* bool isError_; - -// http://www.libpng.org/pub/png/book/chapter14.html#png.ch14.div.2 - -static void ErrorHandler(png_structp png, png_const_charp message) -{ -printf("** [%s]\n", message); - -PngWriter* that = (PngWriter*) png_get_error_ptr(png); -that->isError_ = true; -printf("** %d\n", (int)that); - -//((PngWriter*) payload)->isError_ = true; -} - -static void WarningHandler(png_structp png, png_const_charp message) -{ - printf("++ %d\n", (int)message); -}*/ - - -namespace Orthanc -{ - struct PngWriter::PImpl - { - png_structp png_; - png_infop info_; - - // Filled by Prepare() - std::vector<uint8_t*> rows_; - int bitDepth_; - int colorType_; - }; - - - - PngWriter::PngWriter() : pimpl_(new PImpl) - { - pimpl_->png_ = NULL; - pimpl_->info_ = NULL; - - pimpl_->png_ = png_create_write_struct - (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); //this, ErrorHandler, WarningHandler); - if (!pimpl_->png_) - { - throw OrthancException(ErrorCode_NotEnoughMemory); - } - - pimpl_->info_ = png_create_info_struct(pimpl_->png_); - if (!pimpl_->info_) - { - png_destroy_write_struct(&pimpl_->png_, NULL); - throw OrthancException(ErrorCode_NotEnoughMemory); - } - } - - PngWriter::~PngWriter() - { - if (pimpl_->info_) - { - png_destroy_info_struct(pimpl_->png_, &pimpl_->info_); - } - - if (pimpl_->png_) - { - png_destroy_write_struct(&pimpl_->png_, NULL); - } - } - - - - void PngWriter::Prepare(unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer) - { - pimpl_->rows_.resize(height); - for (unsigned int y = 0; y < height; y++) - { - pimpl_->rows_[y] = const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(buffer)) + y * pitch; - } - - switch (format) - { - case PixelFormat_RGB24: - pimpl_->bitDepth_ = 8; - pimpl_->colorType_ = PNG_COLOR_TYPE_RGB; - break; - - case PixelFormat_RGBA32: - pimpl_->bitDepth_ = 8; - pimpl_->colorType_ = PNG_COLOR_TYPE_RGBA; - break; - - case PixelFormat_Grayscale8: - pimpl_->bitDepth_ = 8; - pimpl_->colorType_ = PNG_COLOR_TYPE_GRAY; - break; - - case PixelFormat_Grayscale16: - case PixelFormat_SignedGrayscale16: - pimpl_->bitDepth_ = 16; - pimpl_->colorType_ = PNG_COLOR_TYPE_GRAY; - break; - - default: - throw OrthancException(ErrorCode_NotImplemented); - } - } - - - void PngWriter::Compress(unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format) - { - png_set_IHDR(pimpl_->png_, pimpl_->info_, width, height, - pimpl_->bitDepth_, pimpl_->colorType_, PNG_INTERLACE_NONE, - PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); - - png_write_info(pimpl_->png_, pimpl_->info_); - - if (height > 0) - { - switch (format) - { - case PixelFormat_Grayscale16: - case PixelFormat_SignedGrayscale16: - { - int transforms = 0; - if (Toolbox::DetectEndianness() == Endianness_Little) - { - transforms = PNG_TRANSFORM_SWAP_ENDIAN; - } - - png_set_rows(pimpl_->png_, pimpl_->info_, &pimpl_->rows_[0]); - png_write_png(pimpl_->png_, pimpl_->info_, transforms, NULL); - - break; - } - - default: - png_write_image(pimpl_->png_, &pimpl_->rows_[0]); - } - } - - png_write_end(pimpl_->png_, NULL); - } - - - void PngWriter::WriteToFile(const char* filename, - unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer) - { - Prepare(width, height, pitch, format, buffer); - - FILE* fp = fopen(filename, "wb"); - if (!fp) - { - throw OrthancException(ErrorCode_CannotWriteFile); - } - - png_init_io(pimpl_->png_, fp); - - if (setjmp(png_jmpbuf(pimpl_->png_))) - { - // Error during writing PNG - throw OrthancException(ErrorCode_CannotWriteFile); - } - - Compress(width, height, pitch, format); - - fclose(fp); - } - - - - - static void MemoryCallback(png_structp png_ptr, - png_bytep data, - png_size_t size) - { - ChunkedBuffer* buffer = reinterpret_cast<ChunkedBuffer*>(png_get_io_ptr(png_ptr)); - buffer->AddChunk(reinterpret_cast<const char*>(data), size); - } - - - - void PngWriter::WriteToMemory(std::string& png, - unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer) - { - ChunkedBuffer chunks; - - Prepare(width, height, pitch, format, buffer); - - if (setjmp(png_jmpbuf(pimpl_->png_))) - { - // Error during writing PNG - throw OrthancException(ErrorCode_InternalError); - } - - png_set_write_fn(pimpl_->png_, &chunks, MemoryCallback, NULL); - - Compress(width, height, pitch, format); - - chunks.Flatten(png); - } -}
--- a/Core/ImageFormats/PngWriter.h Fri Sep 04 16:30:42 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,92 +0,0 @@ -/** - * Orthanc - A Lightweight, RESTful DICOM Store - * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics - * Department, University Hospital of Liege, Belgium - * - * This program is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * In addition, as a special exception, the copyright holders of this - * program give permission to link the code of its release with the - * OpenSSL project's "OpenSSL" library (or with modified versions of it - * that use the same license as the "OpenSSL" library), and distribute - * the linked executables. You must obey the GNU General Public License - * in all respects for all of the code used other than "OpenSSL". If you - * modify file(s) with this exception, you may extend this exception to - * your version of the file(s), but you are not obligated to do so. If - * you do not wish to do so, delete this exception statement from your - * version. If you delete this exception statement from all source files - * in the program, then also delete it here. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - **/ - - -#pragma once - -#include "ImageAccessor.h" - -#include <boost/shared_ptr.hpp> -#include <string> - -namespace Orthanc -{ - class PngWriter - { - private: - struct PImpl; - boost::shared_ptr<PImpl> pimpl_; - - void Compress(unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format); - - void Prepare(unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer); - - public: - PngWriter(); - - ~PngWriter(); - - void WriteToFile(const char* filename, - unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer); - - void WriteToMemory(std::string& png, - unsigned int width, - unsigned int height, - unsigned int pitch, - PixelFormat format, - const void* buffer); - - void WriteToFile(const char* filename, - const ImageAccessor& accessor) - { - WriteToFile(filename, accessor.GetWidth(), accessor.GetHeight(), - accessor.GetPitch(), accessor.GetFormat(), accessor.GetConstBuffer()); - } - - void WriteToMemory(std::string& png, - const ImageAccessor& accessor) - { - WriteToMemory(png, accessor.GetWidth(), accessor.GetHeight(), - accessor.GetPitch(), accessor.GetFormat(), accessor.GetConstBuffer()); - } - }; -}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/Font.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,298 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "Font.h" + +#include "../Toolbox.h" +#include "../OrthancException.h" + +#include <stdio.h> +#include <memory> +#include <boost/lexical_cast.hpp> + +namespace Orthanc +{ + Font::~Font() + { + for (Characters::iterator it = characters_.begin(); + it != characters_.end(); it++) + { + delete it->second; + } + } + + + void Font::LoadFromMemory(const std::string& font) + { + Json::Value v; + Json::Reader reader; + if (!reader.parse(font, v) || + v.type() != Json::objectValue || + !v.isMember("Name") || + !v.isMember("Size") || + !v.isMember("Characters") || + v["Name"].type() != Json::stringValue || + v["Size"].type() != Json::intValue || + v["Characters"].type() != Json::objectValue) + { + throw OrthancException(ErrorCode_BadFont); + } + + name_ = v["Name"].asString(); + size_ = v["Size"].asUInt(); + maxHeight_ = 0; + + Json::Value::Members characters = v["Characters"].getMemberNames(); + + for (size_t i = 0; i < characters.size(); i++) + { + const Json::Value& info = v["Characters"][characters[i]]; + if (info.type() != Json::objectValue || + !info.isMember("Advance") || + !info.isMember("Bitmap") || + !info.isMember("Height") || + !info.isMember("Top") || + !info.isMember("Width") || + info["Advance"].type() != Json::intValue || + info["Bitmap"].type() != Json::arrayValue || + info["Height"].type() != Json::intValue || + info["Top"].type() != Json::intValue || + info["Width"].type() != Json::intValue) + { + throw OrthancException(ErrorCode_BadFont); + } + + std::auto_ptr<Character> c(new Character); + + c->advance_ = info["Advance"].asUInt(); + c->height_ = info["Height"].asUInt(); + c->top_ = info["Top"].asUInt(); + c->width_ = info["Width"].asUInt(); + c->bitmap_.resize(info["Bitmap"].size()); + + if (c->height_ > maxHeight_) + { + maxHeight_ = c->height_; + } + + for (Json::Value::ArrayIndex j = 0; j < info["Bitmap"].size(); j++) + { + if (info["Bitmap"][j].type() != Json::intValue) + { + throw OrthancException(ErrorCode_BadFont); + } + + int value = info["Bitmap"][j].asInt(); + if (value < 0 || value > 255) + { + throw OrthancException(ErrorCode_BadFont); + } + + c->bitmap_[j] = value; + } + + int index = boost::lexical_cast<int>(characters[i]); + if (index < 0 || index > 255) + { + throw OrthancException(ErrorCode_BadFont); + } + + characters_[static_cast<char>(index)] = c.release(); + } + } + + + void Font::LoadFromFile(const std::string& path) + { + std::string font; + Toolbox::ReadFile(font, path); + LoadFromMemory(font); + } + + + static unsigned int MyMin(unsigned int a, + unsigned int b) + { + return a < b ? a : b; + } + + + void Font::DrawCharacter(ImageAccessor& target, + const Character& character, + int x, + int y, + const uint8_t color[4]) const + { + // Compute the bounds of the character + if (x >= static_cast<int>(target.GetWidth()) || + y >= static_cast<int>(target.GetHeight())) + { + // The character is out of the image + return; + } + + unsigned int left = x < 0 ? -x : 0; + unsigned int top = y < 0 ? -y : 0; + unsigned int width = MyMin(character.width_, target.GetWidth() - x); + unsigned int height = MyMin(character.height_, target.GetHeight() - y); + + uint8_t bpp = target.GetBytesPerPixel(); + + // Blit the font bitmap OVER the target image + // https://en.wikipedia.org/wiki/Alpha_compositing + + for (unsigned int cy = top; cy < height; cy++) + { + uint8_t* p = reinterpret_cast<uint8_t*>(target.GetRow(y + cy)) + (x + left) * bpp; + unsigned int pos = cy * character.width_ + left; + + switch (target.GetFormat()) + { + case PixelFormat_Grayscale8: + { + assert(bpp == 1); + for (unsigned int cx = left; cx < width; cx++, pos++, p++) + { + uint16_t alpha = character.bitmap_[pos]; + *p = (alpha * static_cast<uint16_t>(color[0]) + (255 - alpha) * static_cast<uint16_t>(*p)) >> 8; + } + + break; + } + + case PixelFormat_RGB24: + { + assert(bpp == 3); + for (unsigned int cx = left; cx < width; cx++, pos++, p += 3) + { + uint16_t alpha = character.bitmap_[pos]; + p[0] = (alpha * static_cast<uint16_t>(color[0]) + (255 - alpha) * static_cast<uint16_t>(p[0])) >> 8; + p[1] = (alpha * static_cast<uint16_t>(color[1]) + (255 - alpha) * static_cast<uint16_t>(p[1])) >> 8; + p[2] = (alpha * static_cast<uint16_t>(color[2]) + (255 - alpha) * static_cast<uint16_t>(p[2])) >> 8; + } + + break; + } + + case PixelFormat_RGBA32: + { + assert(bpp == 4); + + for (unsigned int cx = left; cx < width; cx++, pos++, p += 4) + { + float alpha = static_cast<float>(character.bitmap_[pos]) / 255.0f; + float beta = (1.0f - alpha) * static_cast<float>(p[3]) / 255.0f; + float denom = 1.0f / (alpha + beta); + + for (uint8_t i = 0; i < 3; i++) + { + p[i] = static_cast<uint8_t>((alpha * static_cast<float>(color[i]) + + beta * static_cast<float>(p[i])) * denom); + } + + p[3] = static_cast<uint8_t>(255.0f * (alpha + beta)); + } + + break; + } + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + } + + } + + + void Font::DrawInternal(ImageAccessor& target, + const std::string& utf8, + int x, + int y, + const uint8_t color[4]) const + { + if (target.GetFormat() != PixelFormat_Grayscale8 && + target.GetFormat() != PixelFormat_RGB24 && + target.GetFormat() != PixelFormat_RGBA32) + { + throw OrthancException(ErrorCode_NotImplemented); + } + + int a = x; + + std::string s = Toolbox::ConvertFromUtf8(utf8, Encoding_Latin1); + + for (size_t i = 0; i < s.size(); i++) + { + if (s[i] == '\n') + { + // Go to the next line + a = x; + y += maxHeight_ + 1; + } + else + { + Characters::const_iterator c = characters_.find(s[i]); + if (c != characters_.end()) + { + DrawCharacter(target, *c->second, a, y + static_cast<int>(c->second->top_), color); + a += c->second->advance_; + } + } + } + } + + + void Font::Draw(ImageAccessor& target, + const std::string& utf8, + int x, + int y, + uint8_t grayscale) const + { + uint8_t color[4] = { grayscale, grayscale, grayscale, 255 }; + DrawInternal(target, utf8, x, y, color); + } + + + void Font::Draw(ImageAccessor& target, + const std::string& utf8, + int x, + int y, + uint8_t r, + uint8_t g, + uint8_t b) const + { + uint8_t color[4] = { r, g, b, 255 }; + DrawInternal(target, utf8, x, y, color); + } + +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/Font.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,105 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ImageAccessor.h" + +#include <stdint.h> +#include <vector> +#include <map> + +namespace Orthanc +{ + class Font + { + private: + struct Character + { + unsigned int width_; + unsigned int height_; + unsigned int top_; + unsigned int advance_; + std::vector<uint8_t> bitmap_; + }; + + typedef std::map<char, Character*> Characters; + + std::string name_; + unsigned int size_; + Characters characters_; + unsigned int maxHeight_; + + void DrawCharacter(ImageAccessor& target, + const Character& character, + int x, + int y, + const uint8_t color[4]) const; + + void DrawInternal(ImageAccessor& target, + const std::string& utf8, + int x, + int y, + const uint8_t color[4]) const; + + public: + ~Font(); + + void LoadFromMemory(const std::string& font); + + void LoadFromFile(const std::string& path); + + const std::string& GetName() const + { + return name_; + } + + unsigned int GetSize() const + { + return size_; + } + + void Draw(ImageAccessor& target, + const std::string& utf8, + int x, + int y, + uint8_t grayscale) const; + + void Draw(ImageAccessor& target, + const std::string& utf8, + int x, + int y, + uint8_t r, + uint8_t g, + uint8_t b) const; + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/FontRegistry.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,86 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "FontRegistry.h" + +#include "../OrthancException.h" + +#include <memory> + +namespace Orthanc +{ + FontRegistry::~FontRegistry() + { + for (Fonts::iterator it = fonts_.begin(); it != fonts_.end(); ++it) + { + delete *it; + } + } + + + void FontRegistry::AddFromMemory(const std::string& font) + { + std::auto_ptr<Font> f(new Font); + f->LoadFromMemory(font); + fonts_.push_back(f.release()); + } + + + void FontRegistry::AddFromFile(const std::string& path) + { + std::auto_ptr<Font> f(new Font); + f->LoadFromFile(path); + fonts_.push_back(f.release()); + } + + + void FontRegistry::AddFromResource(EmbeddedResources::FileResourceId resource) + { + std::string content; + EmbeddedResources::GetFileResource(content, resource); + AddFromMemory(content); + } + + + const Font& FontRegistry::GetFont(size_t i) const + { + if (i >= fonts_.size()) + { + throw OrthancException(ErrorCode_ParameterOutOfRange); + } + else + { + return *fonts_[i]; + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/FontRegistry.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,64 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "Font.h" + +#include <EmbeddedResources.h> // Autogenerated file + +namespace Orthanc +{ + class FontRegistry + { + private: + typedef std::vector<Font*> Fonts; + + Fonts fonts_; + + public: + ~FontRegistry(); + + void AddFromMemory(const std::string& font); + + void AddFromFile(const std::string& path); + + void AddFromResource(EmbeddedResources::FileResourceId resource); + + size_t GetSize() const + { + return fonts_.size(); + } + + const Font& GetFont(size_t i) const; + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/Image.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,55 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ImageAccessor.h" +#include "ImageBuffer.h" + +namespace Orthanc +{ + class Image : public ImageAccessor + { + private: + ImageBuffer buffer_; + + public: + Image(PixelFormat format, + unsigned int width, + unsigned int height) : + buffer_(format, width, height) + { + ImageAccessor accessor = buffer_.GetAccessor(); + AssignWritable(format, width, height, accessor.GetPitch(), accessor.GetBuffer()); + } + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/ImageAccessor.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,229 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "ImageAccessor.h" + +#include "../Logging.h" +#include "../OrthancException.h" +#include "../ChunkedBuffer.h" + +#include <stdint.h> +#include <cassert> +#include <boost/lexical_cast.hpp> + + + +namespace Orthanc +{ + template <typename PixelType> + static void ToMatlabStringInternal(ChunkedBuffer& target, + const ImageAccessor& source) + { + target.AddChunk("double([ "); + + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + const PixelType* p = reinterpret_cast<const PixelType*>(source.GetConstRow(y)); + + std::string s; + if (y > 0) + { + s = "; "; + } + + s.reserve(source.GetWidth() * 8); + + for (unsigned int x = 0; x < source.GetWidth(); x++, p++) + { + s += boost::lexical_cast<std::string>(static_cast<int>(*p)) + " "; + } + + target.AddChunk(s); + } + + target.AddChunk("])"); + } + + + static void RGB24ToMatlabString(ChunkedBuffer& target, + const ImageAccessor& source) + { + assert(source.GetFormat() == PixelFormat_RGB24); + + target.AddChunk("double(permute(reshape([ "); + + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); + + std::string s; + s.reserve(source.GetWidth() * 3 * 8); + + for (unsigned int x = 0; x < 3 * source.GetWidth(); x++, p++) + { + s += boost::lexical_cast<std::string>(static_cast<int>(*p)) + " "; + } + + target.AddChunk(s); + } + + target.AddChunk("], [ 3 " + boost::lexical_cast<std::string>(source.GetHeight()) + + " " + boost::lexical_cast<std::string>(source.GetWidth()) + " ]), [ 3 2 1 ]))"); + } + + + void* ImageAccessor::GetBuffer() const + { + if (readOnly_) + { +#if ORTHANC_ENABLE_LOGGING == 1 + LOG(ERROR) << "Trying to write on a read-only image"; +#endif + + throw OrthancException(ErrorCode_ReadOnly); + } + + return buffer_; + } + + + const void* ImageAccessor::GetConstRow(unsigned int y) const + { + if (buffer_ != NULL) + { + return reinterpret_cast<const uint8_t*>(buffer_) + y * pitch_; + } + else + { + return NULL; + } + } + + + void* ImageAccessor::GetRow(unsigned int y) const + { + if (readOnly_) + { +#if ORTHANC_ENABLE_LOGGING == 1 + LOG(ERROR) << "Trying to write on a read-only image"; +#endif + + throw OrthancException(ErrorCode_ReadOnly); + } + + if (buffer_ != NULL) + { + return reinterpret_cast<uint8_t*>(buffer_) + y * pitch_; + } + else + { + return NULL; + } + } + + + void ImageAccessor::AssignEmpty(PixelFormat format) + { + readOnly_ = false; + format_ = format; + width_ = 0; + height_ = 0; + pitch_ = 0; + buffer_ = NULL; + } + + + void ImageAccessor::AssignReadOnly(PixelFormat format, + unsigned int width, + unsigned int height, + unsigned int pitch, + const void *buffer) + { + readOnly_ = true; + format_ = format; + width_ = width; + height_ = height; + pitch_ = pitch; + buffer_ = const_cast<void*>(buffer); + + assert(GetBytesPerPixel() * width_ <= pitch_); + } + + + void ImageAccessor::AssignWritable(PixelFormat format, + unsigned int width, + unsigned int height, + unsigned int pitch, + void *buffer) + { + readOnly_ = false; + format_ = format; + width_ = width; + height_ = height; + pitch_ = pitch; + buffer_ = buffer; + + assert(GetBytesPerPixel() * width_ <= pitch_); + } + + + void ImageAccessor::ToMatlabString(std::string& target) const + { + ChunkedBuffer buffer; + + switch (GetFormat()) + { + case PixelFormat_Grayscale8: + ToMatlabStringInternal<uint8_t>(buffer, *this); + break; + + case PixelFormat_Grayscale16: + ToMatlabStringInternal<uint16_t>(buffer, *this); + break; + + case PixelFormat_SignedGrayscale16: + ToMatlabStringInternal<int16_t>(buffer, *this); + break; + + case PixelFormat_RGB24: + RGB24ToMatlabString(buffer, *this); + break; + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + + buffer.Flatten(target); + } + +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/ImageAccessor.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,123 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "../Enumerations.h" + +#include <string> + +namespace Orthanc +{ + class ImageAccessor + { + private: + bool readOnly_; + PixelFormat format_; + unsigned int width_; + unsigned int height_; + unsigned int pitch_; + void *buffer_; + + public: + ImageAccessor() + { + AssignEmpty(PixelFormat_Grayscale8); + } + + virtual ~ImageAccessor() + { + } + + bool IsReadOnly() const + { + return readOnly_; + } + + PixelFormat GetFormat() const + { + return format_; + } + + unsigned int GetBytesPerPixel() const + { + return ::Orthanc::GetBytesPerPixel(format_); + } + + unsigned int GetWidth() const + { + return width_; + } + + unsigned int GetHeight() const + { + return height_; + } + + unsigned int GetPitch() const + { + return pitch_; + } + + unsigned int GetSize() const + { + return GetHeight() * GetPitch(); + } + + const void* GetConstBuffer() const + { + return buffer_; + } + + void* GetBuffer() const; + + const void* GetConstRow(unsigned int y) const; + + void* GetRow(unsigned int y) const; + + void AssignEmpty(PixelFormat format); + + void AssignReadOnly(PixelFormat format, + unsigned int width, + unsigned int height, + unsigned int pitch, + const void *buffer); + + void AssignWritable(PixelFormat format, + unsigned int width, + unsigned int height, + unsigned int pitch, + void *buffer); + + void ToMatlabString(std::string& target) const; + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/ImageBuffer.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,192 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "ImageBuffer.h" + +#include "../OrthancException.h" + +#include <stdio.h> +#include <stdlib.h> + +namespace Orthanc +{ + void ImageBuffer::Allocate() + { + if (changed_) + { + Deallocate(); + + /* + if (forceMinimalPitch_) + { + TODO: Align pitch and memory buffer to optimal size for SIMD. + } + */ + + pitch_ = GetBytesPerPixel() * width_; + size_t size = pitch_ * height_; + + if (size == 0) + { + buffer_ = NULL; + } + else + { + buffer_ = malloc(size); + if (buffer_ == NULL) + { + throw OrthancException(ErrorCode_NotEnoughMemory); + } + } + + changed_ = false; + } + } + + + void ImageBuffer::Deallocate() + { + if (buffer_ != NULL) + { + free(buffer_); + buffer_ = NULL; + changed_ = true; + } + } + + + ImageBuffer::ImageBuffer(PixelFormat format, + unsigned int width, + unsigned int height) + { + Initialize(); + SetWidth(width); + SetHeight(height); + SetFormat(format); + } + + + void ImageBuffer::Initialize() + { + changed_ = false; + forceMinimalPitch_ = true; + format_ = PixelFormat_Grayscale8; + width_ = 0; + height_ = 0; + pitch_ = 0; + buffer_ = NULL; + } + + + void ImageBuffer::SetFormat(PixelFormat format) + { + if (format != format_) + { + changed_ = true; + format_ = format; + } + } + + + void ImageBuffer::SetWidth(unsigned int width) + { + if (width != width_) + { + changed_ = true; + width_ = width; + } + } + + + void ImageBuffer::SetHeight(unsigned int height) + { + if (height != height_) + { + changed_ = true; + height_ = height; + } + } + + + ImageAccessor ImageBuffer::GetAccessor() + { + Allocate(); + + ImageAccessor accessor; + accessor.AssignWritable(format_, width_, height_, pitch_, buffer_); + return accessor; + } + + + ImageAccessor ImageBuffer::GetConstAccessor() + { + Allocate(); + + ImageAccessor accessor; + accessor.AssignReadOnly(format_, width_, height_, pitch_, buffer_); + return accessor; + } + + + void ImageBuffer::SetMinimalPitchForced(bool force) + { + if (force != forceMinimalPitch_) + { + changed_ = true; + forceMinimalPitch_ = force; + } + } + + + void ImageBuffer::AcquireOwnership(ImageBuffer& other) + { + // Remove the content of the current image + Deallocate(); + + // Force the allocation of the other image (if not already + // allocated) + other.Allocate(); + + // Transfer the content of the other image + changed_ = false; + forceMinimalPitch_ = other.forceMinimalPitch_; + format_ = other.format_; + width_ = other.width_; + height_ = other.height_; + pitch_ = other.pitch_; + buffer_ = other.buffer_; + + // Force the reinitialization of the other image + other.Initialize(); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/ImageBuffer.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,115 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ImageAccessor.h" + +#include <vector> +#include <stdint.h> +#include <boost/noncopyable.hpp> + +namespace Orthanc +{ + class ImageBuffer : public boost::noncopyable + { + private: + bool changed_; + + bool forceMinimalPitch_; // Currently unused + PixelFormat format_; + unsigned int width_; + unsigned int height_; + unsigned int pitch_; + void *buffer_; + + void Initialize(); + + void Allocate(); + + void Deallocate(); + + public: + ImageBuffer(PixelFormat format, + unsigned int width, + unsigned int height); + + ImageBuffer() + { + Initialize(); + } + + ~ImageBuffer() + { + Deallocate(); + } + + PixelFormat GetFormat() const + { + return format_; + } + + void SetFormat(PixelFormat format); + + unsigned int GetWidth() const + { + return width_; + } + + void SetWidth(unsigned int width); + + unsigned int GetHeight() const + { + return height_; + } + + void SetHeight(unsigned int height); + + unsigned int GetBytesPerPixel() const + { + return ::Orthanc::GetBytesPerPixel(format_); + } + + ImageAccessor GetAccessor(); + + ImageAccessor GetConstAccessor(); + + bool IsMinimalPitchForced() const + { + return forceMinimalPitch_; + } + + void SetMinimalPitchForced(bool force); + + void AcquireOwnership(ImageBuffer& other); + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/ImageProcessing.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,592 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "ImageProcessing.h" + +#include "../OrthancException.h" + +#include <boost/math/special_functions/round.hpp> + +#include <cassert> +#include <string.h> +#include <limits> +#include <stdint.h> + +namespace Orthanc +{ + template <typename TargetType, typename SourceType> + static void ConvertInternal(ImageAccessor& target, + const ImageAccessor& source) + { + const TargetType minValue = std::numeric_limits<TargetType>::min(); + const TargetType maxValue = std::numeric_limits<TargetType>::max(); + + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + TargetType* t = reinterpret_cast<TargetType*>(target.GetRow(y)); + const SourceType* s = reinterpret_cast<const SourceType*>(source.GetConstRow(y)); + + for (unsigned int x = 0; x < source.GetWidth(); x++, t++, s++) + { + if (static_cast<int32_t>(*s) < static_cast<int32_t>(minValue)) + { + *t = minValue; + } + else if (static_cast<int32_t>(*s) > static_cast<int32_t>(maxValue)) + { + *t = maxValue; + } + else + { + *t = static_cast<TargetType>(*s); + } + } + } + } + + + template <typename TargetType> + static void ConvertColorToGrayscale(ImageAccessor& target, + const ImageAccessor& source) + { + assert(source.GetFormat() == PixelFormat_RGB24); + + const TargetType minValue = std::numeric_limits<TargetType>::min(); + const TargetType maxValue = std::numeric_limits<TargetType>::max(); + + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + TargetType* t = reinterpret_cast<TargetType*>(target.GetRow(y)); + const uint8_t* s = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); + + for (unsigned int x = 0; x < source.GetWidth(); x++, t++, s += 3) + { + // Y = 0.2126 R + 0.7152 G + 0.0722 B + int32_t v = (2126 * static_cast<int32_t>(s[0]) + + 7152 * static_cast<int32_t>(s[1]) + + 0722 * static_cast<int32_t>(s[2])) / 1000; + + if (static_cast<int32_t>(v) < static_cast<int32_t>(minValue)) + { + *t = minValue; + } + else if (static_cast<int32_t>(v) > static_cast<int32_t>(maxValue)) + { + *t = maxValue; + } + else + { + *t = static_cast<TargetType>(v); + } + } + } + } + + + template <typename PixelType> + static void SetInternal(ImageAccessor& image, + int64_t constant) + { + for (unsigned int y = 0; y < image.GetHeight(); y++) + { + PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); + + for (unsigned int x = 0; x < image.GetWidth(); x++, p++) + { + *p = static_cast<PixelType>(constant); + } + } + } + + + template <typename PixelType> + static void GetMinMaxValueInternal(PixelType& minValue, + PixelType& maxValue, + const ImageAccessor& source) + { + // Deal with the special case of empty image + if (source.GetWidth() == 0 || + source.GetHeight() == 0) + { + minValue = 0; + maxValue = 0; + return; + } + + minValue = std::numeric_limits<PixelType>::max(); + maxValue = std::numeric_limits<PixelType>::min(); + + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + const PixelType* p = reinterpret_cast<const PixelType*>(source.GetConstRow(y)); + + for (unsigned int x = 0; x < source.GetWidth(); x++, p++) + { + if (*p < minValue) + { + minValue = *p; + } + + if (*p > maxValue) + { + maxValue = *p; + } + } + } + } + + + + template <typename PixelType> + static void AddConstantInternal(ImageAccessor& image, + int64_t constant) + { + if (constant == 0) + { + return; + } + + const int64_t minValue = std::numeric_limits<PixelType>::min(); + const int64_t maxValue = std::numeric_limits<PixelType>::max(); + + for (unsigned int y = 0; y < image.GetHeight(); y++) + { + PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); + + for (unsigned int x = 0; x < image.GetWidth(); x++, p++) + { + int64_t v = static_cast<int64_t>(*p) + constant; + + if (v > maxValue) + { + *p = std::numeric_limits<PixelType>::max(); + } + else if (v < minValue) + { + *p = std::numeric_limits<PixelType>::min(); + } + else + { + *p = static_cast<PixelType>(v); + } + } + } + } + + + + template <typename PixelType> + void MultiplyConstantInternal(ImageAccessor& image, + float factor) + { + if (std::abs(factor - 1.0f) <= std::numeric_limits<float>::epsilon()) + { + return; + } + + const int64_t minValue = std::numeric_limits<PixelType>::min(); + const int64_t maxValue = std::numeric_limits<PixelType>::max(); + + for (unsigned int y = 0; y < image.GetHeight(); y++) + { + PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); + + for (unsigned int x = 0; x < image.GetWidth(); x++, p++) + { + int64_t v = boost::math::llround(static_cast<float>(*p) * factor); + + if (v > maxValue) + { + *p = std::numeric_limits<PixelType>::max(); + } + else if (v < minValue) + { + *p = std::numeric_limits<PixelType>::min(); + } + else + { + *p = static_cast<PixelType>(v); + } + } + } + } + + + template <typename PixelType> + void ShiftScaleInternal(ImageAccessor& image, + float offset, + float scaling) + { + const float minValue = static_cast<float>(std::numeric_limits<PixelType>::min()); + const float maxValue = static_cast<float>(std::numeric_limits<PixelType>::max()); + + for (unsigned int y = 0; y < image.GetHeight(); y++) + { + PixelType* p = reinterpret_cast<PixelType*>(image.GetRow(y)); + + for (unsigned int x = 0; x < image.GetWidth(); x++, p++) + { + float v = (static_cast<float>(*p) + offset) * scaling; + + if (v > maxValue) + { + *p = std::numeric_limits<PixelType>::max(); + } + else if (v < minValue) + { + *p = std::numeric_limits<PixelType>::min(); + } + else + { + *p = static_cast<PixelType>(boost::math::iround(v)); + } + } + } + } + + + void ImageProcessing::Copy(ImageAccessor& target, + const ImageAccessor& source) + { + if (target.GetWidth() != source.GetWidth() || + target.GetHeight() != source.GetHeight()) + { + throw OrthancException(ErrorCode_IncompatibleImageSize); + } + + if (target.GetFormat() != source.GetFormat()) + { + throw OrthancException(ErrorCode_IncompatibleImageFormat); + } + + unsigned int lineSize = GetBytesPerPixel(source.GetFormat()) * source.GetWidth(); + + assert(source.GetPitch() >= lineSize && target.GetPitch() >= lineSize); + + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + memcpy(target.GetRow(y), source.GetConstRow(y), lineSize); + } + } + + + void ImageProcessing::Convert(ImageAccessor& target, + const ImageAccessor& source) + { + if (target.GetWidth() != source.GetWidth() || + target.GetHeight() != source.GetHeight()) + { + throw OrthancException(ErrorCode_IncompatibleImageSize); + } + + if (source.GetFormat() == target.GetFormat()) + { + Copy(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_Grayscale16 && + source.GetFormat() == PixelFormat_Grayscale8) + { + ConvertInternal<uint16_t, uint8_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_SignedGrayscale16 && + source.GetFormat() == PixelFormat_Grayscale8) + { + ConvertInternal<int16_t, uint8_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_Grayscale8 && + source.GetFormat() == PixelFormat_Grayscale16) + { + ConvertInternal<uint8_t, uint16_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_SignedGrayscale16 && + source.GetFormat() == PixelFormat_Grayscale16) + { + ConvertInternal<int16_t, uint16_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_Grayscale8 && + source.GetFormat() == PixelFormat_SignedGrayscale16) + { + ConvertInternal<uint8_t, int16_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_Grayscale16 && + source.GetFormat() == PixelFormat_SignedGrayscale16) + { + ConvertInternal<uint16_t, int16_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_Grayscale8 && + source.GetFormat() == PixelFormat_RGB24) + { + ConvertColorToGrayscale<uint8_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_Grayscale16 && + source.GetFormat() == PixelFormat_RGB24) + { + ConvertColorToGrayscale<uint16_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_SignedGrayscale16 && + source.GetFormat() == PixelFormat_RGB24) + { + ConvertColorToGrayscale<int16_t>(target, source); + return; + } + + if (target.GetFormat() == PixelFormat_Grayscale8 && + source.GetFormat() == PixelFormat_RGBA32) + { + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); + uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); + for (unsigned int x = 0; x < source.GetWidth(); x++, q++) + { + *q = static_cast<uint8_t>((2126 * static_cast<uint32_t>(p[0]) + + 7152 * static_cast<uint32_t>(p[1]) + + 0722 * static_cast<uint32_t>(p[2])) / 10000); + p += 4; + } + } + + return; + } + + if (target.GetFormat() == PixelFormat_RGB24 && + source.GetFormat() == PixelFormat_RGBA32) + { + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); + uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); + for (unsigned int x = 0; x < source.GetWidth(); x++) + { + q[0] = p[0]; + q[1] = p[1]; + q[2] = p[2]; + p += 4; + q += 3; + } + } + + return; + } + + if (target.GetFormat() == PixelFormat_RGBA32 && + source.GetFormat() == PixelFormat_RGB24) + { + for (unsigned int y = 0; y < source.GetHeight(); y++) + { + const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); + uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); + for (unsigned int x = 0; x < source.GetWidth(); x++) + { + q[0] = p[0]; + q[1] = p[1]; + q[2] = p[2]; + q[3] = 255; // Set the alpha channel to full opacity + p += 3; + q += 4; + } + } + + return; + } + + throw OrthancException(ErrorCode_NotImplemented); + } + + + + void ImageProcessing::Set(ImageAccessor& image, + int64_t value) + { + switch (image.GetFormat()) + { + case PixelFormat_Grayscale8: + SetInternal<uint8_t>(image, value); + return; + + case PixelFormat_Grayscale16: + SetInternal<uint16_t>(image, value); + return; + + case PixelFormat_SignedGrayscale16: + SetInternal<int16_t>(image, value); + return; + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + } + + + void ImageProcessing::ShiftRight(ImageAccessor& image, + unsigned int shift) + { + if (image.GetWidth() == 0 || + image.GetHeight() == 0 || + shift == 0) + { + // Nothing to do + return; + } + + throw OrthancException(ErrorCode_NotImplemented); + } + + + void ImageProcessing::GetMinMaxValue(int64_t& minValue, + int64_t& maxValue, + const ImageAccessor& image) + { + switch (image.GetFormat()) + { + case PixelFormat_Grayscale8: + { + uint8_t a, b; + GetMinMaxValueInternal<uint8_t>(a, b, image); + minValue = a; + maxValue = b; + break; + } + + case PixelFormat_Grayscale16: + { + uint16_t a, b; + GetMinMaxValueInternal<uint16_t>(a, b, image); + minValue = a; + maxValue = b; + break; + } + + case PixelFormat_SignedGrayscale16: + { + int16_t a, b; + GetMinMaxValueInternal<int16_t>(a, b, image); + minValue = a; + maxValue = b; + break; + } + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + } + + + + void ImageProcessing::AddConstant(ImageAccessor& image, + int64_t value) + { + switch (image.GetFormat()) + { + case PixelFormat_Grayscale8: + AddConstantInternal<uint8_t>(image, value); + return; + + case PixelFormat_Grayscale16: + AddConstantInternal<uint16_t>(image, value); + return; + + case PixelFormat_SignedGrayscale16: + AddConstantInternal<int16_t>(image, value); + return; + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + } + + + void ImageProcessing::MultiplyConstant(ImageAccessor& image, + float factor) + { + switch (image.GetFormat()) + { + case PixelFormat_Grayscale8: + MultiplyConstantInternal<uint8_t>(image, factor); + return; + + case PixelFormat_Grayscale16: + MultiplyConstantInternal<uint16_t>(image, factor); + return; + + case PixelFormat_SignedGrayscale16: + MultiplyConstantInternal<int16_t>(image, factor); + return; + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + } + + + void ImageProcessing::ShiftScale(ImageAccessor& image, + float offset, + float scaling) + { + switch (image.GetFormat()) + { + case PixelFormat_Grayscale8: + ShiftScaleInternal<uint8_t>(image, offset, scaling); + return; + + case PixelFormat_Grayscale16: + ShiftScaleInternal<uint16_t>(image, offset, scaling); + return; + + case PixelFormat_SignedGrayscale16: + ShiftScaleInternal<int16_t>(image, offset, scaling); + return; + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/ImageProcessing.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,70 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ImageAccessor.h" + +#include <stdint.h> + +namespace Orthanc +{ + class ImageProcessing + { + public: + static void Copy(ImageAccessor& target, + const ImageAccessor& source); + + static void Convert(ImageAccessor& target, + const ImageAccessor& source); + + static void Set(ImageAccessor& image, + int64_t value); + + static void ShiftRight(ImageAccessor& target, + unsigned int shift); + + static void GetMinMaxValue(int64_t& minValue, + int64_t& maxValue, + const ImageAccessor& image); + + static void AddConstant(ImageAccessor& image, + int64_t value); + + static void MultiplyConstant(ImageAccessor& image, + float factor); + + static void ShiftScale(ImageAccessor& image, + float offset, + float scaling); + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/JpegErrorManager.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,69 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "JpegErrorManager.h" + +namespace Orthanc +{ + namespace Internals + { + void JpegErrorManager::OutputMessage(j_common_ptr cinfo) + { + char message[JMSG_LENGTH_MAX]; + (*cinfo->err->format_message) (cinfo, message); + + JpegErrorManager* that = reinterpret_cast<JpegErrorManager*>(cinfo->err); + that->message = std::string(message); + } + + + void JpegErrorManager::ErrorExit(j_common_ptr cinfo) + { + (*cinfo->err->output_message) (cinfo); + + JpegErrorManager* that = reinterpret_cast<JpegErrorManager*>(cinfo->err); + longjmp(that->setjmp_buffer, 1); + } + + + JpegErrorManager::JpegErrorManager() + { + memset(&pub, 0, sizeof(struct jpeg_error_mgr)); + memset(&setjmp_buffer, 0, sizeof(jmp_buf)); + + jpeg_std_error(&pub); + pub.error_exit = ErrorExit; + pub.output_message = OutputMessage; + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/JpegErrorManager.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,74 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + +#pragma once + +#include <string.h> +#include <stdio.h> +#include <jpeglib.h> +#include <setjmp.h> +#include <string> + +namespace Orthanc +{ + namespace Internals + { + class JpegErrorManager + { + private: + struct jpeg_error_mgr pub; /* "public" fields */ + jmp_buf setjmp_buffer; /* for return to caller */ + std::string message; + + static void OutputMessage(j_common_ptr cinfo); + + static void ErrorExit(j_common_ptr cinfo); + + public: + JpegErrorManager(); + + struct jpeg_error_mgr* GetPublic() + { + return &pub; + } + + jmp_buf& GetJumpBuffer() + { + return setjmp_buffer; + } + + const std::string& GetMessage() const + { + return message; + } + }; + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/JpegReader.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,184 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "JpegReader.h" + +#include "JpegErrorManager.h" +#include "../OrthancException.h" +#include "../Logging.h" + +namespace Orthanc +{ + static void Uncompress(struct jpeg_decompress_struct& cinfo, + std::string& content, + ImageAccessor& accessor) + { + jpeg_read_header(&cinfo, TRUE); + jpeg_start_decompress(&cinfo); + + PixelFormat format; + if (cinfo.output_components == 1 && + cinfo.out_color_space == JCS_GRAYSCALE) + { + format = PixelFormat_Grayscale8; + } + else if (cinfo.output_components == 3 && + cinfo.out_color_space == JCS_RGB) + { + format = PixelFormat_RGB24; + } + else + { + throw OrthancException(ErrorCode_NotImplemented); + } + + unsigned int pitch = cinfo.output_width * cinfo.output_components; + + /* Make a one-row-high sample array that will go away when done with image */ + JSAMPARRAY buffer = (*cinfo.mem->alloc_sarray) ((j_common_ptr) &cinfo, JPOOL_IMAGE, pitch, 1); + + try + { + content.resize(pitch * cinfo.output_height); + } + catch (...) + { + throw OrthancException(ErrorCode_NotEnoughMemory); + } + + accessor.AssignWritable(format, cinfo.output_width, cinfo.output_height, pitch, + content.empty() ? NULL : &content[0]); + + uint8_t* target = reinterpret_cast<uint8_t*>(&content[0]); + while (cinfo.output_scanline < cinfo.output_height) + { + jpeg_read_scanlines(&cinfo, buffer, 1); + memcpy(target, buffer[0], pitch); + target += pitch; + } + + // Everything went fine, "setjmp()" didn't get called + + jpeg_finish_decompress(&cinfo); + } + + + void JpegReader::ReadFromFile(const char* filename) + { + FILE* fp = fopen(filename, "rb"); + if (!fp) + { + throw OrthancException(ErrorCode_InexistentFile); + } + + struct jpeg_decompress_struct cinfo; + memset(&cinfo, 0, sizeof(struct jpeg_decompress_struct)); + + Internals::JpegErrorManager jerr; + cinfo.err = jerr.GetPublic(); + + if (setjmp(jerr.GetJumpBuffer())) + { + jpeg_destroy_decompress(&cinfo); + fclose(fp); + LOG(ERROR) << "Error during JPEG encoding: " << jerr.GetMessage(); + throw OrthancException(ErrorCode_InternalError); + } + + // Below this line, we are under the scope of a "setjmp" + + jpeg_create_decompress(&cinfo); + jpeg_stdio_src(&cinfo, fp); + + try + { + Uncompress(cinfo, content_, *this); + } + catch (OrthancException&) + { + jpeg_destroy_decompress(&cinfo); + fclose(fp); + throw; + } + + jpeg_destroy_decompress(&cinfo); + fclose(fp); + } + + + void JpegReader::ReadFromMemory(const void* buffer, + size_t size) + { + struct jpeg_decompress_struct cinfo; + memset(&cinfo, 0, sizeof(struct jpeg_decompress_struct)); + + Internals::JpegErrorManager jerr; + cinfo.err = jerr.GetPublic(); + + if (setjmp(jerr.GetJumpBuffer())) + { + jpeg_destroy_decompress(&cinfo); + LOG(ERROR) << "Error during JPEG encoding: " << jerr.GetMessage(); + throw OrthancException(ErrorCode_InternalError); + } + + // Below this line, we are under the scope of a "setjmp" + jpeg_create_decompress(&cinfo); + jpeg_mem_src(&cinfo, const_cast<unsigned char*>(reinterpret_cast<const unsigned char*>(buffer)), size); + + try + { + Uncompress(cinfo, content_, *this); + } + catch (OrthancException&) + { + jpeg_destroy_decompress(&cinfo); + throw; + } + + jpeg_destroy_decompress(&cinfo); + } + + + void JpegReader::ReadFromMemory(const std::string& buffer) + { + if (buffer.empty()) + { + ReadFromMemory(NULL, 0); + } + else + { + ReadFromMemory(buffer.c_str(), buffer.size()); + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/JpegReader.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,59 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ImageAccessor.h" + +#include <string> + +namespace Orthanc +{ + class JpegReader : public ImageAccessor + { + private: + std::string content_; + + public: + void ReadFromFile(const char* filename); + + void ReadFromFile(const std::string& filename) + { + ReadFromFile(filename.c_str()); + } + + void ReadFromMemory(const void* buffer, + size_t size); + + void ReadFromMemory(const std::string& buffer); + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/JpegWriter.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,202 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "JpegWriter.h" + +#include "../OrthancException.h" +#include "../Logging.h" + +#include "JpegErrorManager.h" + +#include <vector> + +namespace Orthanc +{ + static void GetLines(std::vector<uint8_t*>& lines, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer) + { + if (format != PixelFormat_Grayscale8 && + format != PixelFormat_RGB24) + { + throw OrthancException(ErrorCode_ParameterOutOfRange); + } + + lines.resize(height); + + uint8_t* base = const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(buffer)); + for (unsigned int y = 0; y < height; y++) + { + lines[y] = base + static_cast<intptr_t>(y) * static_cast<intptr_t>(pitch); + } + } + + + static void Compress(struct jpeg_compress_struct& cinfo, + std::vector<uint8_t*>& lines, + unsigned int width, + unsigned int height, + PixelFormat format, + int quality) + { + cinfo.image_width = width; + cinfo.image_height = height; + + switch (format) + { + case PixelFormat_Grayscale8: + cinfo.input_components = 1; + cinfo.in_color_space = JCS_GRAYSCALE; + break; + + case PixelFormat_RGB24: + cinfo.input_components = 3; + cinfo.in_color_space = JCS_RGB; + break; + + default: + throw OrthancException(ErrorCode_InternalError); + } + + jpeg_set_defaults(&cinfo); + jpeg_set_quality(&cinfo, quality, TRUE); + jpeg_start_compress(&cinfo, TRUE); + jpeg_write_scanlines(&cinfo, &lines[0], height); + jpeg_finish_compress(&cinfo); + jpeg_destroy_compress(&cinfo); + } + + + void JpegWriter::SetQuality(uint8_t quality) + { + if (quality <= 0 || quality > 100) + { + throw OrthancException(ErrorCode_ParameterOutOfRange); + } + + quality_ = quality; + } + + + void JpegWriter::WriteToFile(const char* filename, + unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer) + { + FILE* fp = fopen(filename, "wb"); + if (fp == NULL) + { + throw OrthancException(ErrorCode_FullStorage); + } + + std::vector<uint8_t*> lines; + GetLines(lines, height, pitch, format, buffer); + + struct jpeg_compress_struct cinfo; + memset(&cinfo, 0, sizeof(struct jpeg_compress_struct)); + + Internals::JpegErrorManager jerr; + cinfo.err = jerr.GetPublic(); + + if (setjmp(jerr.GetJumpBuffer())) + { + /* If we get here, the JPEG code has signaled an error. + * We need to clean up the JPEG object, close the input file, and return. + */ + jpeg_destroy_compress(&cinfo); + fclose(fp); + LOG(ERROR) << "Error during JPEG encoding: " << jerr.GetMessage(); + throw OrthancException(ErrorCode_InternalError); + } + + // Do not allocate data on the stack below this line! + + jpeg_create_compress(&cinfo); + jpeg_stdio_dest(&cinfo, fp); + Compress(cinfo, lines, width, height, format, quality_); + + // Everything went fine, "setjmp()" didn't get called + + fclose(fp); + } + + + void JpegWriter::WriteToMemory(std::string& jpeg, + unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer) + { + std::vector<uint8_t*> lines; + GetLines(lines, height, pitch, format, buffer); + + struct jpeg_compress_struct cinfo; + memset(&cinfo, 0, sizeof(struct jpeg_compress_struct)); + + Internals::JpegErrorManager jerr; + + unsigned char* data = NULL; + unsigned long size; + + if (setjmp(jerr.GetJumpBuffer())) + { + jpeg_destroy_compress(&cinfo); + + if (data != NULL) + { + free(data); + } + + LOG(ERROR) << "Error during JPEG encoding: " << jerr.GetMessage(); + throw OrthancException(ErrorCode_InternalError); + } + + // Do not allocate data on the stack below this line! + + jpeg_create_compress(&cinfo); + cinfo.err = jerr.GetPublic(); + jpeg_mem_dest(&cinfo, &data, &size); + + Compress(cinfo, lines, width, height, format, quality_); + + // Everything went fine, "setjmp()" didn't get called + + jpeg.assign(reinterpret_cast<const char*>(data), size); + free(data); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/JpegWriter.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,87 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ImageAccessor.h" + +#include <string> +#include <stdint.h> + +namespace Orthanc +{ + class JpegWriter + { + private: + int quality_; + + public: + JpegWriter() : quality_(90) + { + } + + void SetQuality(uint8_t quality); + + uint8_t GetQuality() const + { + return quality_; + } + + void WriteToFile(const char* filename, + unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer); + + void WriteToMemory(std::string& jpeg, + unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer); + + void WriteToFile(const char* filename, + const ImageAccessor& accessor) + { + WriteToFile(filename, accessor.GetWidth(), accessor.GetHeight(), + accessor.GetPitch(), accessor.GetFormat(), accessor.GetConstBuffer()); + } + + void WriteToMemory(std::string& jpeg, + const ImageAccessor& accessor) + { + WriteToMemory(jpeg, accessor.GetWidth(), accessor.GetHeight(), + accessor.GetPitch(), accessor.GetFormat(), accessor.GetConstBuffer()); + } + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/PngReader.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,313 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "PngReader.h" + +#include "../OrthancException.h" +#include "../Toolbox.h" + +#include <png.h> +#include <string.h> // For memcpy() + +namespace Orthanc +{ + namespace + { + struct FileRabi + { + FILE* fp_; + + FileRabi(const char* filename) + { + fp_ = fopen(filename, "rb"); + if (!fp_) + { + throw OrthancException(ErrorCode_InexistentFile); + } + } + + ~FileRabi() + { + if (fp_) + fclose(fp_); + } + }; + } + + + struct PngReader::PngRabi + { + png_structp png_; + png_infop info_; + png_infop endInfo_; + + void Destruct() + { + if (png_) + { + png_destroy_read_struct(&png_, &info_, &endInfo_); + + png_ = NULL; + info_ = NULL; + endInfo_ = NULL; + } + } + + PngRabi() + { + png_ = NULL; + info_ = NULL; + endInfo_ = NULL; + + png_ = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + if (!png_) + { + throw OrthancException(ErrorCode_NotEnoughMemory); + } + + info_ = png_create_info_struct(png_); + if (!info_) + { + png_destroy_read_struct(&png_, NULL, NULL); + throw OrthancException(ErrorCode_NotEnoughMemory); + } + + endInfo_ = png_create_info_struct(png_); + if (!info_) + { + png_destroy_read_struct(&png_, &info_, NULL); + throw OrthancException(ErrorCode_NotEnoughMemory); + } + } + + ~PngRabi() + { + Destruct(); + } + + static void MemoryCallback(png_structp png_ptr, + png_bytep data, + png_size_t size); + }; + + + void PngReader::CheckHeader(const void* header) + { + int is_png = !png_sig_cmp((png_bytep) header, 0, 8); + if (!is_png) + { + throw OrthancException(ErrorCode_BadFileFormat); + } + } + + PngReader::PngReader() + { + } + + void PngReader::Read(PngRabi& rabi) + { + png_set_sig_bytes(rabi.png_, 8); + + png_read_info(rabi.png_, rabi.info_); + + png_uint_32 width, height; + int bit_depth, color_type, interlace_type; + int compression_type, filter_method; + // get size and bit-depth of the PNG-image + png_get_IHDR(rabi.png_, rabi.info_, + &width, &height, + &bit_depth, &color_type, &interlace_type, + &compression_type, &filter_method); + + PixelFormat format; + unsigned int pitch; + + if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth == 8) + { + format = PixelFormat_Grayscale8; + pitch = width; + } + else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth == 16) + { + format = PixelFormat_Grayscale16; + pitch = 2 * width; + + if (Toolbox::DetectEndianness() == Endianness_Little) + { + png_set_swap(rabi.png_); + } + } + else if (color_type == PNG_COLOR_TYPE_RGB && bit_depth == 8) + { + format = PixelFormat_RGB24; + pitch = 3 * width; + } + else if (color_type == PNG_COLOR_TYPE_RGBA && bit_depth == 8) + { + format = PixelFormat_RGBA32; + pitch = 4 * width; + } + else + { + throw OrthancException(ErrorCode_NotImplemented); + } + + data_.resize(height * pitch); + + if (height == 0 || width == 0) + { + // Empty image, we are done + AssignEmpty(format); + return; + } + + png_read_update_info(rabi.png_, rabi.info_); + + std::vector<png_bytep> rows(height); + for (size_t i = 0; i < height; i++) + { + rows[i] = &data_[0] + i * pitch; + } + + png_read_image(rabi.png_, &rows[0]); + + AssignWritable(format, width, height, pitch, &data_[0]); + } + + void PngReader::ReadFromFile(const char* filename) + { + FileRabi f(filename); + + char header[8]; + if (fread(header, 1, 8, f.fp_) != 8) + { + throw OrthancException(ErrorCode_BadFileFormat); + } + + CheckHeader(header); + + PngRabi rabi; + + if (setjmp(png_jmpbuf(rabi.png_))) + { + rabi.Destruct(); + throw OrthancException(ErrorCode_BadFileFormat); + } + + png_init_io(rabi.png_, f.fp_); + + Read(rabi); + } + + + namespace + { + struct MemoryBuffer + { + const uint8_t* buffer_; + size_t size_; + size_t pos_; + bool ok_; + }; + } + + + void PngReader::PngRabi::MemoryCallback(png_structp png_ptr, + png_bytep outBytes, + png_size_t byteCountToRead) + { + MemoryBuffer* from = reinterpret_cast<MemoryBuffer*>(png_get_io_ptr(png_ptr)); + + if (!from->ok_) + { + return; + } + + if (from->pos_ + byteCountToRead > from->size_) + { + from->ok_ = false; + return; + } + + memcpy(outBytes, from->buffer_ + from->pos_, byteCountToRead); + + from->pos_ += byteCountToRead; + } + + + void PngReader::ReadFromMemory(const void* buffer, + size_t size) + { + if (size < 8) + { + throw OrthancException(ErrorCode_BadFileFormat); + } + + CheckHeader(buffer); + + PngRabi rabi; + + if (setjmp(png_jmpbuf(rabi.png_))) + { + rabi.Destruct(); + throw OrthancException(ErrorCode_BadFileFormat); + } + + MemoryBuffer tmp; + tmp.buffer_ = reinterpret_cast<const uint8_t*>(buffer) + 8; // We skip the header + tmp.size_ = size - 8; + tmp.pos_ = 0; + tmp.ok_ = true; + + png_set_read_fn(rabi.png_, &tmp, PngRabi::MemoryCallback); + + Read(rabi); + + if (!tmp.ok_) + { + throw OrthancException(ErrorCode_BadFileFormat); + } + } + + void PngReader::ReadFromMemory(const std::string& buffer) + { + if (buffer.size() != 0) + { + ReadFromMemory(&buffer[0], buffer.size()); + } + else + { + ReadFromMemory(NULL, 0); + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/PngReader.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,71 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ImageAccessor.h" + +#include "../Enumerations.h" + +#include <vector> +#include <stdint.h> +#include <boost/shared_ptr.hpp> + +namespace Orthanc +{ + class PngReader : public ImageAccessor + { + private: + struct PngRabi; + + std::vector<uint8_t> data_; + + void CheckHeader(const void* header); + + void Read(PngRabi& rabi); + + public: + PngReader(); + + void ReadFromFile(const char* filename); + + void ReadFromFile(const std::string& filename) + { + ReadFromFile(filename.c_str()); + } + + void ReadFromMemory(const void* buffer, + size_t size); + + void ReadFromMemory(const std::string& buffer); + }; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/PngWriter.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,269 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "../PrecompiledHeaders.h" +#include "PngWriter.h" + +#include <vector> +#include <stdint.h> +#include <png.h> +#include "../OrthancException.h" +#include "../ChunkedBuffer.h" +#include "../Toolbox.h" + + +// http://www.libpng.org/pub/png/libpng-1.2.5-manual.html#section-4 +// http://zarb.org/~gc/html/libpng.html +/* + void write_row_callback(png_ptr, png_uint_32 row, int pass) + { + }*/ + + + + +/* bool isError_; + +// http://www.libpng.org/pub/png/book/chapter14.html#png.ch14.div.2 + +static void ErrorHandler(png_structp png, png_const_charp message) +{ +printf("** [%s]\n", message); + +PngWriter* that = (PngWriter*) png_get_error_ptr(png); +that->isError_ = true; +printf("** %d\n", (int)that); + +//((PngWriter*) payload)->isError_ = true; +} + +static void WarningHandler(png_structp png, png_const_charp message) +{ + printf("++ %d\n", (int)message); +}*/ + + +namespace Orthanc +{ + struct PngWriter::PImpl + { + png_structp png_; + png_infop info_; + + // Filled by Prepare() + std::vector<uint8_t*> rows_; + int bitDepth_; + int colorType_; + }; + + + + PngWriter::PngWriter() : pimpl_(new PImpl) + { + pimpl_->png_ = NULL; + pimpl_->info_ = NULL; + + pimpl_->png_ = png_create_write_struct + (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); //this, ErrorHandler, WarningHandler); + if (!pimpl_->png_) + { + throw OrthancException(ErrorCode_NotEnoughMemory); + } + + pimpl_->info_ = png_create_info_struct(pimpl_->png_); + if (!pimpl_->info_) + { + png_destroy_write_struct(&pimpl_->png_, NULL); + throw OrthancException(ErrorCode_NotEnoughMemory); + } + } + + PngWriter::~PngWriter() + { + if (pimpl_->info_) + { + png_destroy_info_struct(pimpl_->png_, &pimpl_->info_); + } + + if (pimpl_->png_) + { + png_destroy_write_struct(&pimpl_->png_, NULL); + } + } + + + + void PngWriter::Prepare(unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer) + { + pimpl_->rows_.resize(height); + for (unsigned int y = 0; y < height; y++) + { + pimpl_->rows_[y] = const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(buffer)) + y * pitch; + } + + switch (format) + { + case PixelFormat_RGB24: + pimpl_->bitDepth_ = 8; + pimpl_->colorType_ = PNG_COLOR_TYPE_RGB; + break; + + case PixelFormat_RGBA32: + pimpl_->bitDepth_ = 8; + pimpl_->colorType_ = PNG_COLOR_TYPE_RGBA; + break; + + case PixelFormat_Grayscale8: + pimpl_->bitDepth_ = 8; + pimpl_->colorType_ = PNG_COLOR_TYPE_GRAY; + break; + + case PixelFormat_Grayscale16: + case PixelFormat_SignedGrayscale16: + pimpl_->bitDepth_ = 16; + pimpl_->colorType_ = PNG_COLOR_TYPE_GRAY; + break; + + default: + throw OrthancException(ErrorCode_NotImplemented); + } + } + + + void PngWriter::Compress(unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format) + { + png_set_IHDR(pimpl_->png_, pimpl_->info_, width, height, + pimpl_->bitDepth_, pimpl_->colorType_, PNG_INTERLACE_NONE, + PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); + + png_write_info(pimpl_->png_, pimpl_->info_); + + if (height > 0) + { + switch (format) + { + case PixelFormat_Grayscale16: + case PixelFormat_SignedGrayscale16: + { + int transforms = 0; + if (Toolbox::DetectEndianness() == Endianness_Little) + { + transforms = PNG_TRANSFORM_SWAP_ENDIAN; + } + + png_set_rows(pimpl_->png_, pimpl_->info_, &pimpl_->rows_[0]); + png_write_png(pimpl_->png_, pimpl_->info_, transforms, NULL); + + break; + } + + default: + png_write_image(pimpl_->png_, &pimpl_->rows_[0]); + } + } + + png_write_end(pimpl_->png_, NULL); + } + + + void PngWriter::WriteToFile(const char* filename, + unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer) + { + Prepare(width, height, pitch, format, buffer); + + FILE* fp = fopen(filename, "wb"); + if (!fp) + { + throw OrthancException(ErrorCode_CannotWriteFile); + } + + png_init_io(pimpl_->png_, fp); + + if (setjmp(png_jmpbuf(pimpl_->png_))) + { + // Error during writing PNG + throw OrthancException(ErrorCode_CannotWriteFile); + } + + Compress(width, height, pitch, format); + + fclose(fp); + } + + + + + static void MemoryCallback(png_structp png_ptr, + png_bytep data, + png_size_t size) + { + ChunkedBuffer* buffer = reinterpret_cast<ChunkedBuffer*>(png_get_io_ptr(png_ptr)); + buffer->AddChunk(reinterpret_cast<const char*>(data), size); + } + + + + void PngWriter::WriteToMemory(std::string& png, + unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer) + { + ChunkedBuffer chunks; + + Prepare(width, height, pitch, format, buffer); + + if (setjmp(png_jmpbuf(pimpl_->png_))) + { + // Error during writing PNG + throw OrthancException(ErrorCode_InternalError); + } + + png_set_write_fn(pimpl_->png_, &chunks, MemoryCallback, NULL); + + Compress(width, height, pitch, format); + + chunks.Flatten(png); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/Images/PngWriter.h Fri Sep 04 16:36:18 2015 +0200 @@ -0,0 +1,92 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "ImageAccessor.h" + +#include <boost/shared_ptr.hpp> +#include <string> + +namespace Orthanc +{ + class PngWriter + { + private: + struct PImpl; + boost::shared_ptr<PImpl> pimpl_; + + void Compress(unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format); + + void Prepare(unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer); + + public: + PngWriter(); + + ~PngWriter(); + + void WriteToFile(const char* filename, + unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer); + + void WriteToMemory(std::string& png, + unsigned int width, + unsigned int height, + unsigned int pitch, + PixelFormat format, + const void* buffer); + + void WriteToFile(const char* filename, + const ImageAccessor& accessor) + { + WriteToFile(filename, accessor.GetWidth(), accessor.GetHeight(), + accessor.GetPitch(), accessor.GetFormat(), accessor.GetConstBuffer()); + } + + void WriteToMemory(std::string& png, + const ImageAccessor& accessor) + { + WriteToMemory(png, accessor.GetWidth(), accessor.GetHeight(), + accessor.GetPitch(), accessor.GetFormat(), accessor.GetConstBuffer()); + } + }; +}
--- a/OrthancServer/FromDcmtkBridge.cpp Fri Sep 04 16:30:42 2015 +0200 +++ b/OrthancServer/FromDcmtkBridge.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -45,7 +45,7 @@ #include "../Core/Logging.h" #include "../Core/Toolbox.h" #include "../Core/OrthancException.h" -#include "../Core/ImageFormats/PngWriter.h" +#include "../Core/Images/PngWriter.h" #include "../Core/Uuid.h" #include "../Core/DicomFormat/DicomString.h" #include "../Core/DicomFormat/DicomNullValue.h"
--- a/OrthancServer/Internals/DicomImageDecoder.cpp Fri Sep 04 16:30:42 2015 +0200 +++ b/OrthancServer/Internals/DicomImageDecoder.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -82,8 +82,8 @@ #include "../../Core/Logging.h" #include "../../Core/OrthancException.h" -#include "../../Core/ImageFormats/ImageProcessing.h" -#include "../../Core/ImageFormats/PngWriter.h" // TODO REMOVE THIS +#include "../../Core/Images/ImageProcessing.h" +#include "../../Core/Images/PngWriter.h" // TODO REMOVE THIS #include "../../Core/DicomFormat/DicomIntegerPixelAccessor.h" #include "../ToDcmtkBridge.h" #include "../FromDcmtkBridge.h"
--- a/OrthancServer/Internals/DicomImageDecoder.h Fri Sep 04 16:30:42 2015 +0200 +++ b/OrthancServer/Internals/DicomImageDecoder.h Fri Sep 04 16:36:18 2015 +0200 @@ -34,7 +34,7 @@ #include <dcmtk/dcmdata/dcfilefo.h> -#include "../../Core/ImageFormats/ImageBuffer.h" +#include "../../Core/Images/ImageBuffer.h" namespace Orthanc {
--- a/OrthancServer/OrthancInitialization.h Fri Sep 04 16:30:42 2015 +0200 +++ b/OrthancServer/OrthancInitialization.h Fri Sep 04 16:36:18 2015 +0200 @@ -42,7 +42,7 @@ #include "OrthancPeerParameters.h" #include "IDatabaseWrapper.h" #include "../Core/FileStorage/IStorageArea.h" -#include "../Core/ImageFormats/FontRegistry.h" +#include "../Core/Images/FontRegistry.h" namespace Orthanc {
--- a/OrthancServer/ParsedDicomFile.cpp Fri Sep 04 16:30:42 2015 +0200 +++ b/OrthancServer/ParsedDicomFile.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -87,13 +87,13 @@ #include "../Core/Logging.h" #include "../Core/Toolbox.h" #include "../Core/OrthancException.h" -#include "../Core/ImageFormats/ImageBuffer.h" -#include "../Core/ImageFormats/PngWriter.h" +#include "../Core/Images/ImageBuffer.h" +#include "../Core/Images/PngWriter.h" #include "../Core/Uuid.h" #include "../Core/DicomFormat/DicomString.h" #include "../Core/DicomFormat/DicomNullValue.h" #include "../Core/DicomFormat/DicomIntegerPixelAccessor.h" -#include "../Core/ImageFormats/PngReader.h" +#include "../Core/Images/PngReader.h" #include <list> #include <limits>
--- a/OrthancServer/ParsedDicomFile.h Fri Sep 04 16:30:42 2015 +0200 +++ b/OrthancServer/ParsedDicomFile.h Fri Sep 04 16:36:18 2015 +0200 @@ -35,8 +35,8 @@ #include "../Core/DicomFormat/DicomInstanceHasher.h" #include "../Core/RestApi/RestApiOutput.h" #include "ServerEnumerations.h" -#include "../Core/ImageFormats/ImageAccessor.h" -#include "../Core/ImageFormats/ImageBuffer.h" +#include "../Core/Images/ImageAccessor.h" +#include "../Core/Images/ImageBuffer.h" namespace Orthanc {
--- a/Plugins/Engine/OrthancPlugins.cpp Fri Sep 04 16:30:42 2015 +0200 +++ b/Plugins/Engine/OrthancPlugins.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -42,12 +42,12 @@ #include "../../OrthancServer/ServerToolbox.h" #include "../../Core/Compression/ZlibCompressor.h" #include "../../Core/Compression/GzipCompressor.h" -#include "../../Core/ImageFormats/Image.h" -#include "../../Core/ImageFormats/PngReader.h" -#include "../../Core/ImageFormats/PngWriter.h" -#include "../../Core/ImageFormats/JpegReader.h" -#include "../../Core/ImageFormats/JpegWriter.h" -#include "../../Core/ImageFormats/ImageProcessing.h" +#include "../../Core/Images/Image.h" +#include "../../Core/Images/PngReader.h" +#include "../../Core/Images/PngWriter.h" +#include "../../Core/Images/JpegReader.h" +#include "../../Core/Images/JpegWriter.h" +#include "../../Core/Images/ImageProcessing.h" #include <boost/regex.hpp>
--- a/UnitTestsSources/FromDcmtkTests.cpp Fri Sep 04 16:30:42 2015 +0200 +++ b/UnitTestsSources/FromDcmtkTests.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -37,9 +37,9 @@ #include "../OrthancServer/OrthancInitialization.h" #include "../OrthancServer/DicomModification.h" #include "../Core/OrthancException.h" -#include "../Core/ImageFormats/ImageBuffer.h" -#include "../Core/ImageFormats/PngReader.h" -#include "../Core/ImageFormats/PngWriter.h" +#include "../Core/Images/ImageBuffer.h" +#include "../Core/Images/PngReader.h" +#include "../Core/Images/PngWriter.h" #include "../Core/Uuid.h" #include "../Resources/EncodingTests.h"
--- a/UnitTestsSources/ImageProcessingTests.cpp Fri Sep 04 16:30:42 2015 +0200 +++ b/UnitTestsSources/ImageProcessingTests.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -34,8 +34,8 @@ #include "gtest/gtest.h" #include "../Core/DicomFormat/DicomImageInformation.h" -#include "../Core/ImageFormats/ImageBuffer.h" -#include "../Core/ImageFormats/ImageProcessing.h" +#include "../Core/Images/ImageBuffer.h" +#include "../Core/Images/ImageProcessing.h" using namespace Orthanc;
--- a/UnitTestsSources/ImageTests.cpp Fri Sep 04 16:30:42 2015 +0200 +++ b/UnitTestsSources/ImageTests.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -33,13 +33,13 @@ #include "PrecompiledHeadersUnitTests.h" #include "gtest/gtest.h" -#include "../Core/ImageFormats/Font.h" -#include "../Core/ImageFormats/Image.h" -#include "../Core/ImageFormats/ImageProcessing.h" -#include "../Core/ImageFormats/JpegReader.h" -#include "../Core/ImageFormats/JpegWriter.h" -#include "../Core/ImageFormats/PngReader.h" -#include "../Core/ImageFormats/PngWriter.h" +#include "../Core/Images/Font.h" +#include "../Core/Images/Image.h" +#include "../Core/Images/ImageProcessing.h" +#include "../Core/Images/JpegReader.h" +#include "../Core/Images/JpegWriter.h" +#include "../Core/Images/PngReader.h" +#include "../Core/Images/PngWriter.h" #include "../Core/Toolbox.h" #include "../Core/Uuid.h" #include "../OrthancServer/OrthancInitialization.h"
--- a/UnitTestsSources/JpegLosslessTests.cpp Fri Sep 04 16:30:42 2015 +0200 +++ b/UnitTestsSources/JpegLosslessTests.cpp Fri Sep 04 16:36:18 2015 +0200 @@ -41,8 +41,8 @@ #include "../OrthancServer/ParsedDicomFile.h" #include "../Core/OrthancException.h" -#include "../Core/ImageFormats/ImageBuffer.h" -#include "../Core/ImageFormats/PngWriter.h" +#include "../Core/Images/ImageBuffer.h" +#include "../Core/Images/PngWriter.h" using namespace Orthanc;