Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Images/PngWriter.cpp @ 5840:b24b61331566 find-refactoring tip
pagination: fixed compat with ODBC that does not support ExtendedFind
author | Alain Mazy <am@orthanc.team> |
---|---|
date | Mon, 21 Oct 2024 18:24:09 +0200 |
parents | f7adfb22e20e |
children |
rev | line source |
---|---|
0 | 1 /** |
59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1288
6e7e5ed91c2d
upgrade to year 2015
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
|
4 * Department, University Hospital of Liege, Belgium |
5640
f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5485
diff
changeset
|
5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5485
diff
changeset
|
6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
5485
48b8dae6dc77
upgrade to year 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
0 | 8 * |
9 * This program is free software: you can redistribute it and/or | |
4119
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4044
diff
changeset
|
10 * modify it under the terms of the GNU Lesser General Public License |
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4044
diff
changeset
|
11 * as published by the Free Software Foundation, either version 3 of |
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4044
diff
changeset
|
12 * the License, or (at your option) any later version. |
136 | 13 * |
0 | 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 | |
4119
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4044
diff
changeset
|
17 * Lesser General Public License for more details. |
0 | 18 * |
4119
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4044
diff
changeset
|
19 * You should have received a copy of the GNU Lesser General Public |
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4044
diff
changeset
|
20 * License along with this program. If not, see |
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4044
diff
changeset
|
21 * <http://www.gnu.org/licenses/>. |
0 | 22 **/ |
23 | |
24 | |
824
a811bdf8b8eb
precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
800
diff
changeset
|
25 #include "../PrecompiledHeaders.h" |
0 | 26 #include "PngWriter.h" |
27 | |
28 #include <vector> | |
29 #include <stdint.h> | |
30 #include <png.h> | |
454 | 31 #include "../OrthancException.h" |
32 #include "../ChunkedBuffer.h" | |
33 #include "../Toolbox.h" | |
2171
35febe19e874
improved support for sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2170
diff
changeset
|
34 |
35febe19e874
improved support for sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2170
diff
changeset
|
35 #if ORTHANC_SANDBOXED == 0 |
35febe19e874
improved support for sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2170
diff
changeset
|
36 # include "../SystemToolbox.h" |
35febe19e874
improved support for sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2170
diff
changeset
|
37 #endif |
0 | 38 |
39 | |
40 // http://www.libpng.org/pub/png/libpng-1.2.5-manual.html#section-4 | |
41 // http://zarb.org/~gc/html/libpng.html | |
42 /* | |
43 void write_row_callback(png_ptr, png_uint_32 row, int pass) | |
44 { | |
45 }*/ | |
46 | |
47 | |
48 | |
49 | |
50 /* bool isError_; | |
51 | |
52 // http://www.libpng.org/pub/png/book/chapter14.html#png.ch14.div.2 | |
53 | |
54 static void ErrorHandler(png_structp png, png_const_charp message) | |
55 { | |
56 printf("** [%s]\n", message); | |
57 | |
58 PngWriter* that = (PngWriter*) png_get_error_ptr(png); | |
59 that->isError_ = true; | |
60 printf("** %d\n", (int)that); | |
61 | |
62 //((PngWriter*) payload)->isError_ = true; | |
63 } | |
64 | |
65 static void WarningHandler(png_structp png, png_const_charp message) | |
66 { | |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
67 printf("++ %d\n", (int)message); |
0 | 68 }*/ |
69 | |
70 | |
59 | 71 namespace Orthanc |
0 | 72 { |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
73 /** |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
74 * The "png_" structure cannot be safely reused if the bpp changes |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
75 * between successive invocations. This can lead to "Invalid reads" |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
76 * reported by valgrind if writing a 16bpp image, then a 8bpp image |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
77 * using the same "PngWriter" object. Starting with Orthanc 1.9.3, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
78 * we recreate a new "png_" context each time a PNG image must be |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
79 * written so as to prevent such invalid reads. |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
80 **/ |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
81 class PngWriter::Context : public boost::noncopyable |
0 | 82 { |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
83 private: |
0 | 84 png_structp png_; |
85 png_infop info_; | |
86 | |
87 // Filled by Prepare() | |
88 std::vector<uint8_t*> rows_; | |
89 int bitDepth_; | |
90 int colorType_; | |
91 | |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
92 public: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
93 Context() : |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
94 png_(NULL), |
4657 | 95 info_(NULL), |
96 bitDepth_(0), // Dummy initialization | |
97 colorType_(0) // Dummy initialization | |
0 | 98 { |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
99 png_ = png_create_write_struct |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
100 (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); //this, ErrorHandler, WarningHandler); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
101 if (!png_) |
0 | 102 { |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
103 throw OrthancException(ErrorCode_NotEnoughMemory); |
639
51892be15618
fix for big endian architectures
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
465
diff
changeset
|
104 } |
0 | 105 |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
106 info_ = png_create_info_struct(png_); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
107 if (!info_) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
108 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
109 png_destroy_write_struct(&png_, NULL); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
110 throw OrthancException(ErrorCode_NotEnoughMemory); |
0 | 111 } |
112 } | |
113 | |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
114 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
115 ~Context() |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
116 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
117 if (info_) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
118 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
119 png_destroy_info_struct(png_, &info_); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
120 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
121 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
122 if (png_) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
123 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
124 png_destroy_write_struct(&png_, NULL); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
125 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
126 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
127 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
128 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
129 png_structp GetObject() const |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
130 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
131 return png_; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
132 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
133 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
134 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
135 void Prepare(unsigned int width, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
136 unsigned int height, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
137 unsigned int pitch, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
138 PixelFormat format, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
139 const void* buffer) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
140 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
141 rows_.resize(height); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
142 for (unsigned int y = 0; y < height; y++) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
143 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
144 rows_[y] = const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(buffer)) + y * pitch; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
145 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
146 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
147 switch (format) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
148 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
149 case PixelFormat_RGB24: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
150 bitDepth_ = 8; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
151 colorType_ = PNG_COLOR_TYPE_RGB; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
152 break; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
153 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
154 case PixelFormat_RGBA32: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
155 bitDepth_ = 8; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
156 colorType_ = PNG_COLOR_TYPE_RGBA; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
157 break; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
158 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
159 case PixelFormat_Grayscale8: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
160 bitDepth_ = 8; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
161 colorType_ = PNG_COLOR_TYPE_GRAY; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
162 break; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
163 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
164 case PixelFormat_Grayscale16: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
165 case PixelFormat_SignedGrayscale16: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
166 bitDepth_ = 16; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
167 colorType_ = PNG_COLOR_TYPE_GRAY; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
168 break; |
5054
255b02c68908
Added support for RGBA64 images in tools/create-dicom and /preview (Contribution from James Manners - Pliny)
Alain Mazy <am@osimis.io>
parents:
4870
diff
changeset
|
169 |
255b02c68908
Added support for RGBA64 images in tools/create-dicom and /preview (Contribution from James Manners - Pliny)
Alain Mazy <am@osimis.io>
parents:
4870
diff
changeset
|
170 case PixelFormat_RGBA64: |
255b02c68908
Added support for RGBA64 images in tools/create-dicom and /preview (Contribution from James Manners - Pliny)
Alain Mazy <am@osimis.io>
parents:
4870
diff
changeset
|
171 bitDepth_ = 16; |
255b02c68908
Added support for RGBA64 images in tools/create-dicom and /preview (Contribution from James Manners - Pliny)
Alain Mazy <am@osimis.io>
parents:
4870
diff
changeset
|
172 colorType_ = PNG_COLOR_TYPE_RGBA; |
255b02c68908
Added support for RGBA64 images in tools/create-dicom and /preview (Contribution from James Manners - Pliny)
Alain Mazy <am@osimis.io>
parents:
4870
diff
changeset
|
173 break; |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
174 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
175 default: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
176 throw OrthancException(ErrorCode_NotImplemented); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
177 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
178 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
179 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
180 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
181 void Compress(unsigned int width, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
182 unsigned int height, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
183 unsigned int pitch, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
184 PixelFormat format) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
185 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
186 png_set_IHDR(png_, info_, width, height, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
187 bitDepth_, colorType_, PNG_INTERLACE_NONE, |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
188 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
189 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
190 png_write_info(png_, info_); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
191 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
192 if (height > 0) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
193 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
194 switch (format) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
195 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
196 case PixelFormat_Grayscale16: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
197 case PixelFormat_SignedGrayscale16: |
5054
255b02c68908
Added support for RGBA64 images in tools/create-dicom and /preview (Contribution from James Manners - Pliny)
Alain Mazy <am@osimis.io>
parents:
4870
diff
changeset
|
198 case PixelFormat_RGBA64: |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
199 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
200 int transforms = 0; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
201 if (Toolbox::DetectEndianness() == Endianness_Little) |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
202 { |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
203 transforms = PNG_TRANSFORM_SWAP_ENDIAN; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
204 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
205 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
206 png_set_rows(png_, info_, &rows_[0]); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
207 png_write_png(png_, info_, transforms, NULL); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
208 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
209 break; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
210 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
211 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
212 default: |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
213 png_write_image(png_, &rows_[0]); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
214 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
215 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
216 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
217 png_write_end(png_, NULL); |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
218 } |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
219 }; |
0 | 220 |
221 | |
2170
baf8dd89b4e0
improved support for sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2143
diff
changeset
|
222 #if ORTHANC_SANDBOXED == 0 |
1916 | 223 void PngWriter::WriteToFileInternal(const std::string& filename, |
224 unsigned int width, | |
225 unsigned int height, | |
226 unsigned int pitch, | |
227 PixelFormat format, | |
228 const void* buffer) | |
0 | 229 { |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
230 Context context; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
231 |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
232 context.Prepare(width, height, pitch, format, buffer); |
0 | 233 |
2140 | 234 FILE* fp = SystemToolbox::OpenFile(filename, FileMode_WriteBinary); |
0 | 235 if (!fp) |
236 { | |
59 | 237 throw OrthancException(ErrorCode_CannotWriteFile); |
0 | 238 } |
239 | |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
240 png_init_io(context.GetObject(), fp); |
0 | 241 |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
242 if (setjmp(png_jmpbuf(context.GetObject()))) |
0 | 243 { |
244 // Error during writing PNG | |
59 | 245 throw OrthancException(ErrorCode_CannotWriteFile); |
0 | 246 } |
247 | |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
248 context.Compress(width, height, pitch, format); |
0 | 249 |
250 fclose(fp); | |
251 } | |
2170
baf8dd89b4e0
improved support for sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2143
diff
changeset
|
252 #endif |
0 | 253 |
254 | |
255 static void MemoryCallback(png_structp png_ptr, | |
256 png_bytep data, | |
257 png_size_t size) | |
258 { | |
656 | 259 ChunkedBuffer* buffer = reinterpret_cast<ChunkedBuffer*>(png_get_io_ptr(png_ptr)); |
3402
cf31b5bacce3
removing unneeded casts
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
3060
diff
changeset
|
260 buffer->AddChunk(data, size); |
0 | 261 } |
262 | |
263 | |
1916 | 264 void PngWriter::WriteToMemoryInternal(std::string& png, |
265 unsigned int width, | |
266 unsigned int height, | |
267 unsigned int pitch, | |
268 PixelFormat format, | |
269 const void* buffer) | |
0 | 270 { |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
271 Context context; |
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
272 |
0 | 273 ChunkedBuffer chunks; |
274 | |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
275 context.Prepare(width, height, pitch, format, buffer); |
0 | 276 |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
277 if (setjmp(png_jmpbuf(context.GetObject()))) |
0 | 278 { |
279 // Error during writing PNG | |
59 | 280 throw OrthancException(ErrorCode_InternalError); |
0 | 281 } |
282 | |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
283 png_set_write_fn(context.GetObject(), &chunks, MemoryCallback, NULL); |
0 | 284 |
4642
69bbb4bd35cb
PngWriter recreates a new libpng context for each encoding
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4437
diff
changeset
|
285 context.Compress(width, height, pitch, format); |
0 | 286 |
287 chunks.Flatten(png); | |
288 } | |
289 } |