Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Images/ImageBuffer.cpp @ 5640:f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 30 May 2024 21:19:57 +0200 |
| parents | 48b8dae6dc77 |
| children |
| rev | line source |
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| 801 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 801 | 8 * |
| 9 * This program is free software: you can redistribute it and/or | |
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10 * modify it under the terms of the GNU Lesser General Public License |
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11 * as published by the Free Software Foundation, either version 3 of |
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12 * the License, or (at your option) any later version. |
| 801 | 13 * |
| 14 * This program is distributed in the hope that it will be useful, but | |
| 15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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17 * Lesser General Public License for more details. |
| 801 | 18 * |
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19 * You should have received a copy of the GNU Lesser General Public |
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20 * License along with this program. If not, see |
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21 * <http://www.gnu.org/licenses/>. |
| 801 | 22 **/ |
| 23 | |
| 24 | |
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25 #include "../PrecompiledHeaders.h" |
| 801 | 26 #include "ImageBuffer.h" |
| 27 | |
| 863 | 28 #include "../OrthancException.h" |
| 29 | |
| 4304 | 30 #include <boost/lexical_cast.hpp> |
| 860 | 31 #include <stdio.h> |
| 863 | 32 #include <stdlib.h> |
| 860 | 33 |
| 801 | 34 namespace Orthanc |
| 35 { | |
| 36 void ImageBuffer::Allocate() | |
| 37 { | |
| 38 if (changed_) | |
| 39 { | |
| 863 | 40 Deallocate(); |
| 41 | |
| 844 | 42 /* |
| 43 if (forceMinimalPitch_) | |
| 44 { | |
| 45 TODO: Align pitch and memory buffer to optimal size for SIMD. | |
| 46 } | |
| 47 */ | |
| 48 | |
| 801 | 49 pitch_ = GetBytesPerPixel() * width_; |
| 863 | 50 size_t size = pitch_ * height_; |
| 801 | 51 |
| 863 | 52 if (size == 0) |
| 801 | 53 { |
| 863 | 54 buffer_ = NULL; |
| 801 | 55 } |
| 56 else | |
| 57 { | |
| 863 | 58 buffer_ = malloc(size); |
| 59 if (buffer_ == NULL) | |
| 60 { | |
| 3348 | 61 throw OrthancException(ErrorCode_NotEnoughMemory, |
| 62 "Failed to allocate an image buffer of size " + boost::lexical_cast<std::string>(width_) + "x" + boost::lexical_cast<std::string>(height_)); | |
| 863 | 63 } |
| 801 | 64 } |
| 65 | |
| 66 changed_ = false; | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 | |
| 863 | 71 void ImageBuffer::Deallocate() |
| 72 { | |
| 73 if (buffer_ != NULL) | |
| 74 { | |
| 75 free(buffer_); | |
| 76 buffer_ = NULL; | |
| 77 changed_ = true; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 | |
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82 ImageBuffer::ImageBuffer(PixelFormat format, |
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83 unsigned int width, |
| 2107 | 84 unsigned int height, |
| 85 bool forceMinimalPitch) : | |
| 86 forceMinimalPitch_(forceMinimalPitch) | |
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87 { |
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88 Initialize(); |
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89 SetWidth(width); |
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90 SetHeight(height); |
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91 SetFormat(format); |
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92 } |
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93 |
| 4300 | 94 ImageBuffer::ImageBuffer() |
| 95 { | |
| 96 Initialize(); | |
| 97 } | |
| 98 | |
| 99 ImageBuffer::~ImageBuffer() | |
| 100 { | |
| 101 Deallocate(); | |
| 102 } | |
| 103 | |
| 104 PixelFormat ImageBuffer::GetFormat() const | |
| 105 { | |
| 106 return format_; | |
| 107 } | |
| 108 | |
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109 |
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110 void ImageBuffer::Initialize() |
| 801 | 111 { |
| 112 changed_ = false; | |
| 844 | 113 forceMinimalPitch_ = true; |
| 801 | 114 format_ = PixelFormat_Grayscale8; |
| 115 width_ = 0; | |
| 116 height_ = 0; | |
| 117 pitch_ = 0; | |
| 118 buffer_ = NULL; | |
| 119 } | |
| 120 | |
| 121 | |
| 122 void ImageBuffer::SetFormat(PixelFormat format) | |
| 123 { | |
| 863 | 124 if (format != format_) |
| 125 { | |
| 126 changed_ = true; | |
| 127 format_ = format; | |
| 128 } | |
| 801 | 129 } |
| 130 | |
| 4300 | 131 unsigned int ImageBuffer::GetWidth() const |
| 132 { | |
| 133 return width_; | |
| 134 } | |
| 135 | |
| 801 | 136 |
| 137 void ImageBuffer::SetWidth(unsigned int width) | |
| 138 { | |
| 863 | 139 if (width != width_) |
| 140 { | |
| 141 changed_ = true; | |
| 142 width_ = width; | |
| 143 } | |
| 801 | 144 } |
| 145 | |
| 4300 | 146 unsigned int ImageBuffer::GetHeight() const |
| 147 { | |
| 148 return height_; | |
| 149 } | |
| 150 | |
| 801 | 151 |
| 152 void ImageBuffer::SetHeight(unsigned int height) | |
| 153 { | |
| 863 | 154 if (height != height_) |
| 155 { | |
| 156 changed_ = true; | |
| 157 height_ = height; | |
| 158 } | |
| 801 | 159 } |
| 160 | |
| 4300 | 161 unsigned int ImageBuffer::GetBytesPerPixel() const |
| 162 { | |
| 163 return ::Orthanc::GetBytesPerPixel(format_); | |
| 164 } | |
| 165 | |
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166 |
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167 void ImageBuffer::GetReadOnlyAccessor(ImageAccessor& accessor) |
| 801 | 168 { |
| 169 Allocate(); | |
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170 accessor.AssignReadOnly(format_, width_, height_, pitch_, buffer_); |
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171 } |
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172 |
| 801 | 173 |
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174 void ImageBuffer::GetWriteableAccessor(ImageAccessor& accessor) |
| 801 | 175 { |
| 176 Allocate(); | |
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177 accessor.AssignWritable(format_, width_, height_, pitch_, buffer_); |
| 801 | 178 } |
| 844 | 179 |
| 4300 | 180 bool ImageBuffer::IsMinimalPitchForced() const |
| 181 { | |
| 182 return forceMinimalPitch_; | |
| 183 } | |
| 184 | |
| 844 | 185 |
| 863 | 186 void ImageBuffer::AcquireOwnership(ImageBuffer& other) |
| 187 { | |
| 188 // Remove the content of the current image | |
| 189 Deallocate(); | |
| 190 | |
| 191 // Force the allocation of the other image (if not already | |
| 192 // allocated) | |
| 193 other.Allocate(); | |
| 194 | |
| 195 // Transfer the content of the other image | |
| 196 changed_ = false; | |
| 197 forceMinimalPitch_ = other.forceMinimalPitch_; | |
| 198 format_ = other.format_; | |
| 199 width_ = other.width_; | |
| 200 height_ = other.height_; | |
| 201 pitch_ = other.pitch_; | |
| 202 buffer_ = other.buffer_; | |
| 203 | |
| 204 // Force the reinitialization of the other image | |
| 205 other.Initialize(); | |
| 844 | 206 } |
| 801 | 207 } |