Mercurial > hg > orthanc
annotate Core/ImageFormats/ImageBuffer.cpp @ 853:839be3022203 jpeg
DicomImageInformation
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 06 Jun 2014 11:45:16 +0200 |
| parents | 502c49adb5ad |
| children | 80c7e53a69b5 |
| rev | line source |
|---|---|
| 801 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, | |
| 4 * Belgium | |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
|
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precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
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33 #include "../PrecompiledHeaders.h" |
| 801 | 34 #include "ImageBuffer.h" |
| 35 | |
| 36 namespace Orthanc | |
| 37 { | |
| 38 void ImageBuffer::Allocate() | |
| 39 { | |
| 40 if (changed_) | |
| 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_; |
| 50 | |
| 51 data_.resize(pitch_ * height_); | |
| 52 if (data_.size() > 0) | |
| 53 { | |
| 54 buffer_ = &data_[0]; | |
| 55 } | |
| 56 else | |
| 57 { | |
| 58 buffer_ = 0; | |
| 59 } | |
| 60 | |
| 61 changed_ = false; | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 | |
|
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66 ImageBuffer::ImageBuffer(unsigned int width, |
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67 unsigned int height, |
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68 PixelFormat format) |
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69 { |
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70 Initialize(); |
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71 SetWidth(width); |
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72 SetHeight(height); |
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73 SetFormat(format); |
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74 } |
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75 |
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76 |
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77 void ImageBuffer::Initialize() |
| 801 | 78 { |
| 79 changed_ = false; | |
| 844 | 80 forceMinimalPitch_ = true; |
| 801 | 81 format_ = PixelFormat_Grayscale8; |
| 82 width_ = 0; | |
| 83 height_ = 0; | |
| 84 pitch_ = 0; | |
| 85 buffer_ = NULL; | |
| 86 } | |
| 87 | |
| 88 | |
| 89 void ImageBuffer::SetFormat(PixelFormat format) | |
| 90 { | |
| 91 changed_ = true; | |
| 92 format_ = format; | |
| 93 } | |
| 94 | |
| 95 | |
| 96 void ImageBuffer::SetWidth(unsigned int width) | |
| 97 { | |
| 98 changed_ = true; | |
| 99 width_ = width; | |
| 100 } | |
| 101 | |
| 102 | |
| 103 void ImageBuffer::SetHeight(unsigned int height) | |
| 104 { | |
| 105 changed_ = true; | |
| 106 height_ = height; | |
| 107 } | |
| 108 | |
| 109 | |
| 110 ImageAccessor ImageBuffer::GetAccessor() | |
| 111 { | |
| 112 Allocate(); | |
| 113 | |
| 114 ImageAccessor accessor; | |
| 115 accessor.AssignWritable(format_, width_, height_, pitch_, buffer_); | |
| 116 return accessor; | |
| 117 } | |
| 118 | |
| 119 | |
| 120 ImageAccessor ImageBuffer::GetConstAccessor() | |
| 121 { | |
| 122 Allocate(); | |
| 123 | |
| 124 ImageAccessor accessor; | |
| 125 accessor.AssignReadOnly(format_, width_, height_, pitch_, buffer_); | |
| 126 return accessor; | |
| 127 } | |
| 844 | 128 |
| 129 | |
| 130 void ImageBuffer::SetMinimalPitchForced(bool force) | |
| 131 { | |
| 132 changed_ = true; | |
| 133 forceMinimalPitch_ = force; | |
| 134 } | |
| 801 | 135 } |