annotate Framework/Deprecated/Widgets/WidgetBase.cpp @ 925:4639d0bf6390

Added support for Grayscale16 in the multiframe loader (Victor)
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 22 Jul 2019 16:00:03 +0200
parents c35e98d22764
children 2d8ab34c8c91
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1 /**
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2 * Stone of Orthanc
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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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b70e9be013e4 preparing for 2019
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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21
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22 #include "WidgetBase.h"
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23
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24 #include <Core/OrthancException.h>
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25 #include <Core/Images/ImageProcessing.h>
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26 #include <Core/Logging.h>
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27
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28 namespace Deprecated
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29 {
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30 void WidgetBase::NotifyContentChanged()
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31 {
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32 if (parent_ != NULL)
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33 {
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34 parent_->NotifyContentChanged();
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35 }
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37 if (viewport_ != NULL)
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38 {
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39 viewport_->NotifyBackgroundChanged();
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40 }
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41 }
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44 void WidgetBase::SetParent(IWidget& parent)
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45 {
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46 if (parent_ != NULL)
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47 {
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48 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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49 }
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50 else
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51 {
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52 parent_ = &parent;
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53 }
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54 }
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56
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57 void WidgetBase::ClearBackgroundOrthanc(Orthanc::ImageAccessor& target) const
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58 {
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59 // Clear the background using Orthanc
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61 if (backgroundCleared_)
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62 {
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63 Orthanc::ImageProcessing::Set(target,
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64 backgroundColor_[0],
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65 backgroundColor_[1],
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66 backgroundColor_[2],
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67 255 /* alpha */);
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68 }
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69 }
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72 void WidgetBase::ClearBackgroundCairo(OrthancStone::CairoContext& context) const
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73 {
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74 // Clear the background using Cairo
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76 if (IsBackgroundCleared())
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77 {
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78 uint8_t red, green, blue;
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79 GetBackgroundColor(red, green, blue);
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80
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81 context.SetSourceColor(red, green, blue);
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82 cairo_paint(context.GetObject());
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83 }
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84 }
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86
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87 void WidgetBase::ClearBackgroundCairo(Orthanc::ImageAccessor& target) const
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88 {
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89 OrthancStone::CairoSurface surface(target, false /* no alpha */);
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90 OrthancStone::CairoContext context(surface);
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91 ClearBackgroundCairo(context);
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92 }
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93
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94
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95 void WidgetBase::UpdateStatusBar(const std::string& message)
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96 {
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97 if (statusBar_ != NULL)
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98 {
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99 statusBar_->SetMessage(message);
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100 }
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101 }
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102
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103
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104 WidgetBase::WidgetBase(const std::string& name) :
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105 parent_(NULL),
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106 viewport_(NULL),
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107 statusBar_(NULL),
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108 backgroundCleared_(false),
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109 transmitMouseOver_(false),
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110 name_(name)
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111 {
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112 backgroundColor_[0] = 0;
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113 backgroundColor_[1] = 0;
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114 backgroundColor_[2] = 0;
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115 }
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117
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118 void WidgetBase::SetViewport(WidgetViewport& viewport)
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119 {
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120 if (viewport_ != NULL)
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121 {
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122 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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123 }
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124 else
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125 {
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126 viewport_ = &viewport;
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127 }
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128 }
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130
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131 void WidgetBase::SetBackgroundColor(uint8_t red,
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132 uint8_t green,
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133 uint8_t blue)
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134 {
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135 backgroundColor_[0] = red;
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136 backgroundColor_[1] = green;
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137 backgroundColor_[2] = blue;
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138 }
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139
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140 void WidgetBase::GetBackgroundColor(uint8_t& red,
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141 uint8_t& green,
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142 uint8_t& blue) const
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143 {
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144 red = backgroundColor_[0];
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145 green = backgroundColor_[1];
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146 blue = backgroundColor_[2];
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147 }
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150 bool WidgetBase::Render(Orthanc::ImageAccessor& surface)
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151 {
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152 #if 0
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153 ClearBackgroundOrthanc(surface);
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154 #else
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155 ClearBackgroundCairo(surface); // Faster than Orthanc
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156 #endif
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157
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158 return true;
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159 }
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160
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161
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162 void WidgetBase::DoAnimation()
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163 {
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164 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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165 }
0
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166 }