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annotate Core/Images/ImageAccessor.h @ 1922:369897749653

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ImageAccessor::GetRegion
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 04 Mar 2016 17:53:19 +0100
parents b1291df2f780
children a89ca69ec1d1
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #pragma once
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34
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35 #include "../Enumerations.h"
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36
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37 #include <string>
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38 #include <stdint.h>
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39
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40 namespace Orthanc
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41 {
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42 class ImageAccessor
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43 {
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44 private:
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45 bool readOnly_;
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46 PixelFormat format_;
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47 unsigned int width_;
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48 unsigned int height_;
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49 unsigned int pitch_;
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50 uint8_t *buffer_;
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51
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52 public:
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53 ImageAccessor()
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54 {
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55 AssignEmpty(PixelFormat_Grayscale8);
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56 }
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57
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58 virtual ~ImageAccessor()
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59 {
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60 }
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61
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62 bool IsReadOnly() const
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63 {
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64 return readOnly_;
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65 }
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66
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67 PixelFormat GetFormat() const
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68 {
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69 return format_;
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70 }
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71
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72 unsigned int GetBytesPerPixel() const
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73 {
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74 return ::Orthanc::GetBytesPerPixel(format_);
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75 }
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76
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77 unsigned int GetWidth() const
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78 {
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79 return width_;
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80 }
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81
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82 unsigned int GetHeight() const
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83 {
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84 return height_;
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85 }
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86
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87 unsigned int GetPitch() const
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88 {
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89 return pitch_;
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90 }
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91
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92 unsigned int GetSize() const
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93 {
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94 return GetHeight() * GetPitch();
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95 }
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96
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97 const void* GetConstBuffer() const
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98 {
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99 return buffer_;
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100 }
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101
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102 void* GetBuffer() const;
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103
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104 const void* GetConstRow(unsigned int y) const;
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105
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106 void* GetRow(unsigned int y) const;
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107
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108 void AssignEmpty(PixelFormat format);
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109
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110 void AssignReadOnly(PixelFormat format,
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111 unsigned int width,
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112 unsigned int height,
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113 unsigned int pitch,
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114 const void *buffer);
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115
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116 void AssignWritable(PixelFormat format,
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117 unsigned int width,
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118 unsigned int height,
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119 unsigned int pitch,
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120 void *buffer);
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121
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122 void ToMatlabString(std::string& target) const;
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123
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124 ImageAccessor GetRegion(unsigned int x,
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125 unsigned int y,
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126 unsigned int width,
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127 unsigned int height) const;
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128 };
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129 }