Mercurial > hg > orthanc-stone
annotate Framework/Widgets/TestWorldSceneWidget.cpp @ 403:99e31898910e
IObservable.cpp
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sun, 11 Nov 2018 12:13:31 +0100 |
| parents | e33659decec5 |
| children | b70e9be013e4 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 8 * modify it under the terms of the GNU Affero General Public License |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 0 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Affero General Public License for more details. | |
| 327 | 16 * |
| 47 | 17 * You should have received a copy of the GNU Affero General Public License |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "TestWorldSceneWidget.h" | |
| 23 | |
| 403 | 24 #include <Core/OrthancException.h> |
| 25 | |
|
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26 #include <math.h> |
| 0 | 27 #include <stdio.h> |
| 28 | |
| 29 namespace OrthancStone | |
| 30 { | |
| 31 namespace Samples | |
| 32 { | |
| 33 class TestWorldSceneWidget::Interactor : public IWorldSceneInteractor | |
| 34 { | |
| 35 public: | |
| 36 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, | |
| 37 const ViewportGeometry& view, | |
| 38 MouseButton button, | |
| 281 | 39 KeyboardModifiers modifiers, |
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40 int viewportX, |
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41 int viewportY, |
| 0 | 42 double x, |
| 43 double y, | |
| 44 IStatusBar* statusBar) | |
| 45 { | |
| 46 if (statusBar) | |
| 47 { | |
| 48 char buf[64]; | |
| 49 sprintf(buf, "X = %0.2f, Y = %0.2f", x, y); | |
| 50 statusBar->SetMessage(buf); | |
| 51 } | |
| 52 | |
| 53 return NULL; | |
| 54 } | |
| 55 | |
| 56 virtual void MouseOver(CairoContext& context, | |
| 57 WorldSceneWidget& widget, | |
| 58 const ViewportGeometry& view, | |
| 59 double x, | |
| 60 double y, | |
| 61 IStatusBar* statusBar) | |
| 62 { | |
| 63 double S = 0.5; | |
| 64 | |
| 65 if (fabs(x) <= S && | |
| 66 fabs(y) <= S) | |
| 67 { | |
| 68 cairo_t* cr = context.GetObject(); | |
| 69 cairo_set_source_rgb(cr, 1, 0, 0); | |
| 70 cairo_rectangle(cr, -S, -S , 2.0 * S, 2.0 * S); | |
| 71 cairo_set_line_width(cr, 1.0 / view.GetZoom()); | |
| 72 cairo_stroke(cr); | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 virtual void MouseWheel(WorldSceneWidget& widget, | |
| 77 MouseWheelDirection direction, | |
| 78 KeyboardModifiers modifiers, | |
| 79 IStatusBar* statusBar) | |
| 80 { | |
| 81 if (statusBar) | |
| 82 { | |
| 83 statusBar->SetMessage(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up"); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 virtual void KeyPressed(WorldSceneWidget& widget, | |
| 327 | 88 KeyboardKeys key, |
| 89 char keyChar, | |
| 0 | 90 KeyboardModifiers modifiers, |
| 91 IStatusBar* statusBar) | |
| 92 { | |
| 93 if (statusBar) | |
| 94 { | |
| 327 | 95 statusBar->SetMessage("Key pressed: \"" + std::string(1, keyChar) + "\""); |
| 0 | 96 } |
| 97 } | |
| 98 }; | |
| 99 | |
| 100 | |
| 101 bool TestWorldSceneWidget::RenderScene(CairoContext& context, | |
| 327 | 102 const ViewportGeometry& view) |
| 0 | 103 { |
| 104 cairo_t* cr = context.GetObject(); | |
| 105 | |
| 106 // Clear background | |
| 107 cairo_set_source_rgb(cr, 0, 0, 0); | |
| 108 cairo_paint(cr); | |
| 109 | |
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110 float color = static_cast<float>(count_ % 16) / 15.0f; |
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111 cairo_set_source_rgb(cr, 0, 1.0f - color, color); |
| 0 | 112 cairo_rectangle(cr, -10, -.5, 20, 1); |
| 113 cairo_fill(cr); | |
| 114 | |
| 115 return true; | |
| 116 } | |
| 117 | |
| 118 | |
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119 TestWorldSceneWidget::TestWorldSceneWidget(const std::string& name, bool animate) : |
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120 WorldSceneWidget(name), |
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121 interactor_(new Interactor), |
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122 animate_(animate), |
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123 count_(0) |
| 0 | 124 { |
| 125 SetInteractor(*interactor_); | |
| 126 } | |
| 127 | |
| 128 | |
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129 Extent2D TestWorldSceneWidget::GetSceneExtent() |
| 0 | 130 { |
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131 return Extent2D(-10, -.5, 10, .5); |
| 0 | 132 } |
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133 |
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134 |
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135 void TestWorldSceneWidget::DoAnimation() |
| 0 | 136 { |
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137 if (animate_) |
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138 { |
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139 count_++; |
| 278 | 140 NotifyContentChanged(); |
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141 } |
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142 else |
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143 { |
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144 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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145 } |
| 0 | 146 } |
| 147 } | |
| 148 } |