Mercurial > hg > orthanc-stone
annotate Framework/Widgets/TestWorldSceneWidget.cpp @ 54:01aa453d4d5b wasm
IWidget::HasRenderMouseOver
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 17:49:29 +0200 |
| parents | 25befef48c35 |
| children | f0f354a97581 |
| 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 Osimis, 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. | |
| 16 * | |
| 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 | |
| 24 #include <stdio.h> | |
| 25 | |
| 26 namespace OrthancStone | |
| 27 { | |
| 28 namespace Samples | |
| 29 { | |
| 30 class TestWorldSceneWidget::Interactor : public IWorldSceneInteractor | |
| 31 { | |
| 32 public: | |
| 33 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, | |
| 34 const SliceGeometry& slice, | |
| 35 const ViewportGeometry& view, | |
| 36 MouseButton button, | |
| 37 double x, | |
| 38 double y, | |
| 39 IStatusBar* statusBar) | |
| 40 { | |
| 41 if (statusBar) | |
| 42 { | |
| 43 char buf[64]; | |
| 44 sprintf(buf, "X = %0.2f, Y = %0.2f", x, y); | |
| 45 statusBar->SetMessage(buf); | |
| 46 } | |
| 47 | |
| 48 return NULL; | |
| 49 } | |
| 50 | |
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51 virtual bool HasMouseOver(const WorldSceneWidget& widget, |
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52 const SliceGeometry& slice, |
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53 double x, |
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54 double y) |
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55 { |
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56 return true; |
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57 } |
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58 |
| 0 | 59 virtual void MouseOver(CairoContext& context, |
| 60 WorldSceneWidget& widget, | |
| 61 const SliceGeometry& slice, | |
| 62 const ViewportGeometry& view, | |
| 63 double x, | |
| 64 double y, | |
| 65 IStatusBar* statusBar) | |
| 66 { | |
| 67 double S = 0.5; | |
| 68 | |
| 69 if (fabs(x) <= S && | |
| 70 fabs(y) <= S) | |
| 71 { | |
| 72 cairo_t* cr = context.GetObject(); | |
| 73 cairo_set_source_rgb(cr, 1, 0, 0); | |
| 74 cairo_rectangle(cr, -S, -S , 2.0 * S, 2.0 * S); | |
| 75 cairo_set_line_width(cr, 1.0 / view.GetZoom()); | |
| 76 cairo_stroke(cr); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 virtual void MouseWheel(WorldSceneWidget& widget, | |
| 81 MouseWheelDirection direction, | |
| 82 KeyboardModifiers modifiers, | |
| 83 IStatusBar* statusBar) | |
| 84 { | |
| 85 if (statusBar) | |
| 86 { | |
| 87 statusBar->SetMessage(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up"); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 virtual void KeyPressed(WorldSceneWidget& widget, | |
| 92 char key, | |
| 93 KeyboardModifiers modifiers, | |
| 94 IStatusBar* statusBar) | |
| 95 { | |
| 96 if (statusBar) | |
| 97 { | |
| 98 statusBar->SetMessage("Key pressed: \"" + std::string(1, key) + "\""); | |
| 99 } | |
| 100 } | |
| 101 }; | |
| 102 | |
| 103 | |
| 104 bool TestWorldSceneWidget::RenderScene(CairoContext& context, | |
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105 const ViewportGeometry& view) |
| 0 | 106 { |
| 107 cairo_t* cr = context.GetObject(); | |
| 108 | |
| 109 // Clear background | |
| 110 cairo_set_source_rgb(cr, 0, 0, 0); | |
| 111 cairo_paint(cr); | |
| 112 | |
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113 float color = static_cast<float>(count_ % 16) / 15.0f; |
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114 cairo_set_source_rgb(cr, 0, 1.0f - color, color); |
| 0 | 115 cairo_rectangle(cr, -10, -.5, 20, 1); |
| 116 cairo_fill(cr); | |
| 117 | |
| 118 return true; | |
| 119 } | |
| 120 | |
| 121 | |
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122 TestWorldSceneWidget::TestWorldSceneWidget(bool animate) : |
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123 interactor_(new Interactor), |
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124 animate_(animate), |
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125 count_(0) |
| 0 | 126 { |
| 127 SetInteractor(*interactor_); | |
| 128 } | |
| 129 | |
| 130 | |
| 131 void TestWorldSceneWidget::GetSceneExtent(double& x1, | |
| 132 double& y1, | |
| 133 double& x2, | |
| 134 double& y2) | |
| 135 { | |
| 136 x1 = -10; | |
| 137 x2 = 10; | |
| 138 y1 = -.5; | |
| 139 y2 = .5; | |
| 140 } | |
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141 |
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142 |
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143 void TestWorldSceneWidget::UpdateContent() |
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144 { |
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145 if (animate_) |
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146 { |
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147 count_++; |
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148 NotifyChange(); |
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149 } |
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150 else |
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151 { |
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152 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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153 } |
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154 } |
| 0 | 155 } |
| 156 } |