Mercurial > hg > orthanc-stone
annotate Framework/Widgets/TestWorldSceneWidget.cpp @ 109:53bd9277b025 wasm
using the Extent class
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 14 Jun 2017 15:34:08 +0200 |
| parents | d2adc6189a95 |
| children | 53025eecbc95 |
| 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 ViewportGeometry& view, | |
| 35 MouseButton button, | |
| 36 double x, | |
| 37 double y, | |
| 38 IStatusBar* statusBar) | |
| 39 { | |
| 40 if (statusBar) | |
| 41 { | |
| 42 char buf[64]; | |
| 43 sprintf(buf, "X = %0.2f, Y = %0.2f", x, y); | |
| 44 statusBar->SetMessage(buf); | |
| 45 } | |
| 46 | |
| 47 return NULL; | |
| 48 } | |
| 49 | |
| 50 virtual void MouseOver(CairoContext& context, | |
| 51 WorldSceneWidget& widget, | |
| 52 const ViewportGeometry& view, | |
| 53 double x, | |
| 54 double y, | |
| 55 IStatusBar* statusBar) | |
| 56 { | |
| 57 double S = 0.5; | |
| 58 | |
| 59 if (fabs(x) <= S && | |
| 60 fabs(y) <= S) | |
| 61 { | |
| 62 cairo_t* cr = context.GetObject(); | |
| 63 cairo_set_source_rgb(cr, 1, 0, 0); | |
| 64 cairo_rectangle(cr, -S, -S , 2.0 * S, 2.0 * S); | |
| 65 cairo_set_line_width(cr, 1.0 / view.GetZoom()); | |
| 66 cairo_stroke(cr); | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 virtual void MouseWheel(WorldSceneWidget& widget, | |
| 71 MouseWheelDirection direction, | |
| 72 KeyboardModifiers modifiers, | |
| 73 IStatusBar* statusBar) | |
| 74 { | |
| 75 if (statusBar) | |
| 76 { | |
| 77 statusBar->SetMessage(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up"); | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 virtual void KeyPressed(WorldSceneWidget& widget, | |
| 82 char key, | |
| 83 KeyboardModifiers modifiers, | |
| 84 IStatusBar* statusBar) | |
| 85 { | |
| 86 if (statusBar) | |
| 87 { | |
| 88 statusBar->SetMessage("Key pressed: \"" + std::string(1, key) + "\""); | |
| 89 } | |
| 90 } | |
| 91 }; | |
| 92 | |
| 93 | |
| 94 bool TestWorldSceneWidget::RenderScene(CairoContext& context, | |
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95 const ViewportGeometry& view) |
| 0 | 96 { |
| 97 cairo_t* cr = context.GetObject(); | |
| 98 | |
| 99 // Clear background | |
| 100 cairo_set_source_rgb(cr, 0, 0, 0); | |
| 101 cairo_paint(cr); | |
| 102 | |
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103 float color = static_cast<float>(count_ % 16) / 15.0f; |
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104 cairo_set_source_rgb(cr, 0, 1.0f - color, color); |
| 0 | 105 cairo_rectangle(cr, -10, -.5, 20, 1); |
| 106 cairo_fill(cr); | |
| 107 | |
| 108 return true; | |
| 109 } | |
| 110 | |
| 111 | |
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112 TestWorldSceneWidget::TestWorldSceneWidget(bool animate) : |
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113 interactor_(new Interactor), |
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114 animate_(animate), |
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115 count_(0) |
| 0 | 116 { |
| 117 SetInteractor(*interactor_); | |
| 118 } | |
| 119 | |
| 120 | |
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121 Extent TestWorldSceneWidget::GetSceneExtent() |
| 0 | 122 { |
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123 return Extent(-10, -.5, 10, .5); |
| 0 | 124 } |
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125 |
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126 |
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127 void TestWorldSceneWidget::UpdateContent() |
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128 { |
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129 if (animate_) |
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130 { |
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131 count_++; |
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132 NotifyChange(); |
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133 } |
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134 else |
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135 { |
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136 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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137 } |
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138 } |
| 0 | 139 } |
| 140 } |