Mercurial > hg > orthanc
view OrthancCppClient/Instance.cpp @ 1346:911a1ad5ebe8
re-fix issue #30
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 20 Apr 2015 17:26:02 +0200 |
parents | 6e7e5ed91c2d |
children |
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/** * 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 "../Core/PrecompiledHeaders.h" #include "Instance.h" #include "OrthancConnection.h" #include <boost/lexical_cast.hpp> namespace OrthancClient { void Instance::DownloadImage() { if (reader_.get() == NULL) { const char* suffix; switch (mode_) { case Orthanc::ImageExtractionMode_Preview: suffix = "preview"; break; case Orthanc::ImageExtractionMode_UInt8: suffix = "image-uint8"; break; case Orthanc::ImageExtractionMode_UInt16: suffix = "image-uint16"; break; case Orthanc::ImageExtractionMode_Int16: suffix = "image-int16"; break; default: throw OrthancClientException(Orthanc::ErrorCode_NotImplemented); } Orthanc::HttpClient client(connection_.GetHttpClient()); client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/" + suffix); std::string png; if (!client.Apply(png)) { throw OrthancClientException(Orthanc::ErrorCode_NotImplemented); } reader_.reset(new Orthanc::PngReader); reader_->ReadFromMemory(png); } } void Instance::DownloadDicom() { if (dicom_.get() == NULL) { Orthanc::HttpClient client(connection_.GetHttpClient()); client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/file"); dicom_.reset(new std::string); if (!client.Apply(*dicom_)) { throw OrthancClientException(Orthanc::ErrorCode_NetworkProtocol); } } } Instance::Instance(const OrthancConnection& connection, const char* id) : connection_(connection), id_(id), mode_(Orthanc::ImageExtractionMode_Int16) { Orthanc::HttpClient client(connection_.GetHttpClient()); client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/simplified-tags"); Json::Value v; if (!client.Apply(tags_)) { throw OrthancClientException(Orthanc::ErrorCode_NetworkProtocol); } } const char* Instance::GetTagAsString(const char* tag) const { if (tags_.isMember(tag)) { return tags_[tag].asCString(); } else { throw OrthancClientException(Orthanc::ErrorCode_InexistentItem); } } float Instance::GetTagAsFloat(const char* tag) const { std::string value = GetTagAsString(tag); try { return boost::lexical_cast<float>(value); } catch (boost::bad_lexical_cast) { throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); } } int Instance::GetTagAsInt(const char* tag) const { std::string value = GetTagAsString(tag); try { return boost::lexical_cast<int>(value); } catch (boost::bad_lexical_cast) { throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); } } unsigned int Instance::GetWidth() { DownloadImage(); return reader_->GetWidth(); } unsigned int Instance::GetHeight() { DownloadImage(); return reader_->GetHeight(); } unsigned int Instance::GetPitch() { DownloadImage(); return reader_->GetPitch(); } Orthanc::PixelFormat Instance::GetPixelFormat() { DownloadImage(); return reader_->GetFormat(); } const void* Instance::GetBuffer() { DownloadImage(); return reader_->GetConstBuffer(); } const void* Instance::GetBuffer(unsigned int y) { DownloadImage(); return reader_->GetConstRow(y); } void Instance::DiscardImage() { reader_.reset(); } void Instance::DiscardDicom() { dicom_.reset(); } void Instance::SetImageExtractionMode(Orthanc::ImageExtractionMode mode) { if (mode_ == mode) { return; } DiscardImage(); mode_ = mode; } void Instance::SplitVectorOfFloats(std::vector<float>& target, const char* tag) { const std::string value = GetTagAsString(tag); target.clear(); try { std::string tmp; for (size_t i = 0; i < value.size(); i++) { if (value[i] == '\\') { target.push_back(boost::lexical_cast<float>(tmp)); tmp.clear(); } else { tmp.push_back(value[i]); } } target.push_back(boost::lexical_cast<float>(tmp)); } catch (boost::bad_lexical_cast) { // Unable to parse the Image Orientation Patient. throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); } } const uint64_t Instance::GetDicomSize() { DownloadDicom(); assert(dicom_.get() != NULL); return dicom_->size(); } const void* Instance::GetDicom() { DownloadDicom(); assert(dicom_.get() != NULL); if (dicom_->size() == 0) { return NULL; } else { return &((*dicom_) [0]); } } void Instance::LoadTagContent(const char* path) { Orthanc::HttpClient client(connection_.GetHttpClient()); client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/content/" + path); if (!client.Apply(content_)) { throw OrthancClientException(Orthanc::ErrorCode_UnknownResource); } } const char* Instance::GetLoadedTagContent() const { return content_.c_str(); } }