Mercurial > hg > orthanc
annotate Core/Images/ImageBuffer.h @ 2134:ddc75c6c712d
Avoid hard crash if not enough memory
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 09 Nov 2016 12:04:09 +0100 |
| parents | 88831c3edd8f |
| children | a3a65de1840f |
| 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 |
| 801 | 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 | |
| 33 #pragma once | |
| 34 | |
| 35 #include "ImageAccessor.h" | |
| 36 | |
| 37 #include <vector> | |
| 38 #include <stdint.h> | |
| 863 | 39 #include <boost/noncopyable.hpp> |
| 801 | 40 |
| 41 namespace Orthanc | |
| 42 { | |
| 863 | 43 class ImageBuffer : public boost::noncopyable |
| 801 | 44 { |
| 45 private: | |
| 46 bool changed_; | |
| 47 | |
| 844 | 48 bool forceMinimalPitch_; // Currently unused |
| 801 | 49 PixelFormat format_; |
| 50 unsigned int width_; | |
| 51 unsigned int height_; | |
| 52 unsigned int pitch_; | |
| 863 | 53 void *buffer_; |
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54 |
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55 void Initialize(); |
| 801 | 56 |
| 57 void Allocate(); | |
| 58 | |
| 863 | 59 void Deallocate(); |
| 60 | |
| 801 | 61 public: |
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62 ImageBuffer(PixelFormat format, |
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63 unsigned int width, |
| 2107 | 64 unsigned int height, |
| 65 bool forceMinimalPitch); | |
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66 |
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67 ImageBuffer() |
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68 { |
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69 Initialize(); |
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70 } |
| 801 | 71 |
| 863 | 72 ~ImageBuffer() |
| 73 { | |
| 74 Deallocate(); | |
| 75 } | |
| 76 | |
| 801 | 77 PixelFormat GetFormat() const |
| 78 { | |
| 79 return format_; | |
| 80 } | |
| 81 | |
| 82 void SetFormat(PixelFormat format); | |
| 83 | |
| 84 unsigned int GetWidth() const | |
| 85 { | |
| 86 return width_; | |
| 87 } | |
| 88 | |
| 89 void SetWidth(unsigned int width); | |
| 90 | |
| 91 unsigned int GetHeight() const | |
| 92 { | |
| 93 return height_; | |
| 94 } | |
| 95 | |
| 96 void SetHeight(unsigned int height); | |
| 97 | |
| 98 unsigned int GetBytesPerPixel() const | |
| 99 { | |
| 100 return ::Orthanc::GetBytesPerPixel(format_); | |
| 101 } | |
| 102 | |
| 103 ImageAccessor GetAccessor(); | |
| 104 | |
| 105 ImageAccessor GetConstAccessor(); | |
| 844 | 106 |
| 107 bool IsMinimalPitchForced() const | |
| 108 { | |
| 109 return forceMinimalPitch_; | |
| 110 } | |
| 111 | |
| 863 | 112 void AcquireOwnership(ImageBuffer& other); |
| 801 | 113 }; |
| 114 } |