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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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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 #include "TestCairoWidget.h"
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34
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35 #include "../Orthanc/Core/Toolbox.h"
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36
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37 #include <stdio.h>
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38
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39
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40 namespace OrthancStone
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41 {
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42 namespace Samples
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43 {
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44 void TestCairoWidget::UpdateStep()
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45 {
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46 value_ -= 0.01f;
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47 if (value_ < 0)
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48 {
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49 value_ = 1;
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50 }
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51
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52 NotifyChange();
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53
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54 Orthanc::Toolbox::USleep(25000);
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55 }
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56
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57
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58 bool TestCairoWidget::RenderCairo(CairoContext& context)
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59 {
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60 cairo_t* cr = context.GetObject();
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61
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62 cairo_set_source_rgb (cr, .3, 0, 0);
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63 cairo_paint(cr);
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64
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65 cairo_set_source_rgb(cr, 0, 1, 0);
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66 cairo_rectangle(cr, width_ / 4, height_ / 4, width_ / 2, height_ / 2);
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67 cairo_set_line_width(cr, 1.0);
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68 cairo_fill(cr);
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69
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70 cairo_set_source_rgb(cr, 0, 1, value_);
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71 cairo_rectangle(cr, width_ / 2 - 50, height_ / 2 - 50, 100, 100);
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72 cairo_fill(cr);
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73
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74 return true;
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75 }
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76
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77
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78 void TestCairoWidget::RenderMouseOverCairo(CairoContext& context,
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79 int x,
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80 int y)
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81 {
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82 cairo_t* cr = context.GetObject();
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83
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84 cairo_set_source_rgb (cr, 1, 0, 0);
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85 cairo_rectangle(cr, x - 5, y - 5, 10, 10);
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86 cairo_set_line_width(cr, 1.0);
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87 cairo_stroke(cr);
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88
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89 char buf[64];
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90 sprintf(buf, "(%d,%d)", x, y);
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91 UpdateStatusBar(buf);
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92 }
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93
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94
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95 TestCairoWidget::TestCairoWidget(bool animate) :
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96 width_(0),
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97 height_(0),
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98 value_(1),
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99 animate_(animate)
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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 void TestCairoWidget::SetSize(unsigned int width,
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105 unsigned int height)
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106 {
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107 CairoWidget::SetSize(width, height);
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108 width_ = width;
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109 height_ = height;
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110 }
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111
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112
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113 IMouseTracker* TestCairoWidget::CreateMouseTracker(MouseButton button,
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114 int x,
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115 int y,
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116 KeyboardModifiers modifiers)
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117 {
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118 UpdateStatusBar("Click");
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119 return NULL;
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120 }
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121
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122
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123 void TestCairoWidget::MouseWheel(MouseWheelDirection direction,
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124 int x,
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125 int y,
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126 KeyboardModifiers modifiers)
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127 {
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128 UpdateStatusBar(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up");
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129 }
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130
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131
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132 void TestCairoWidget::KeyPressed(char key,
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133 KeyboardModifiers modifiers)
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134 {
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135 UpdateStatusBar("Key pressed: \"" + std::string(1, key) + "\"");
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136 }
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137 }
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138 }
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