Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Images/ImageBuffer.cpp @ 5841:57ab63fe9108 find-refactoring tip
tools/find: Limit and Since are now forbidden when filtering on DICOM tags that are not stored in DB
author | Alain Mazy <am@orthanc.team> |
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date | Thu, 24 Oct 2024 15:08:43 +0200 |
parents | f7adfb22e20e |
children | 4b47151dea4c |
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 } |