Mercurial > hg > orthanc-stone
annotate Framework/Widgets/TestWorldSceneWidget.cpp @ 327:8716176ff7f0 am-2
added support for arrow keys
| author | am@osimis.io |
|---|---|
| date | Tue, 16 Oct 2018 15:25:21 +0200 |
| parents | 300d8b8c48b3 |
| children | 885f0a5eaa49 |
| 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 | |
|
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24 #include <math.h> |
| 0 | 25 #include <stdio.h> |
| 26 | |
| 27 namespace OrthancStone | |
| 28 { | |
| 29 namespace Samples | |
| 30 { | |
| 31 class TestWorldSceneWidget::Interactor : public IWorldSceneInteractor | |
| 32 { | |
| 33 public: | |
| 34 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, | |
| 35 const ViewportGeometry& view, | |
| 36 MouseButton button, | |
| 281 | 37 KeyboardModifiers modifiers, |
| 0 | 38 double x, |
| 39 double y, | |
| 40 IStatusBar* statusBar) | |
| 41 { | |
| 42 if (statusBar) | |
| 43 { | |
| 44 char buf[64]; | |
| 45 sprintf(buf, "X = %0.2f, Y = %0.2f", x, y); | |
| 46 statusBar->SetMessage(buf); | |
| 47 } | |
| 48 | |
| 49 return NULL; | |
| 50 } | |
| 51 | |
| 52 virtual void MouseOver(CairoContext& context, | |
| 53 WorldSceneWidget& widget, | |
| 54 const ViewportGeometry& view, | |
| 55 double x, | |
| 56 double y, | |
| 57 IStatusBar* statusBar) | |
| 58 { | |
| 59 double S = 0.5; | |
| 60 | |
| 61 if (fabs(x) <= S && | |
| 62 fabs(y) <= S) | |
| 63 { | |
| 64 cairo_t* cr = context.GetObject(); | |
| 65 cairo_set_source_rgb(cr, 1, 0, 0); | |
| 66 cairo_rectangle(cr, -S, -S , 2.0 * S, 2.0 * S); | |
| 67 cairo_set_line_width(cr, 1.0 / view.GetZoom()); | |
| 68 cairo_stroke(cr); | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 virtual void MouseWheel(WorldSceneWidget& widget, | |
| 73 MouseWheelDirection direction, | |
| 74 KeyboardModifiers modifiers, | |
| 75 IStatusBar* statusBar) | |
| 76 { | |
| 77 if (statusBar) | |
| 78 { | |
| 79 statusBar->SetMessage(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up"); | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 virtual void KeyPressed(WorldSceneWidget& widget, | |
| 327 | 84 KeyboardKeys key, |
| 85 char keyChar, | |
| 0 | 86 KeyboardModifiers modifiers, |
| 87 IStatusBar* statusBar) | |
| 88 { | |
| 89 if (statusBar) | |
| 90 { | |
| 327 | 91 statusBar->SetMessage("Key pressed: \"" + std::string(1, keyChar) + "\""); |
| 0 | 92 } |
| 93 } | |
| 94 }; | |
| 95 | |
| 96 | |
| 97 bool TestWorldSceneWidget::RenderScene(CairoContext& context, | |
| 327 | 98 const ViewportGeometry& view) |
| 0 | 99 { |
| 100 cairo_t* cr = context.GetObject(); | |
| 101 | |
| 102 // Clear background | |
| 103 cairo_set_source_rgb(cr, 0, 0, 0); | |
| 104 cairo_paint(cr); | |
| 105 | |
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106 float color = static_cast<float>(count_ % 16) / 15.0f; |
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107 cairo_set_source_rgb(cr, 0, 1.0f - color, color); |
| 0 | 108 cairo_rectangle(cr, -10, -.5, 20, 1); |
| 109 cairo_fill(cr); | |
| 110 | |
| 111 return true; | |
| 112 } | |
| 113 | |
| 114 | |
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115 TestWorldSceneWidget::TestWorldSceneWidget(const std::string& name, bool animate) : |
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116 WorldSceneWidget(name), |
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117 interactor_(new Interactor), |
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118 animate_(animate), |
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119 count_(0) |
| 0 | 120 { |
| 121 SetInteractor(*interactor_); | |
| 122 } | |
| 123 | |
| 124 | |
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125 Extent2D TestWorldSceneWidget::GetSceneExtent() |
| 0 | 126 { |
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127 return Extent2D(-10, -.5, 10, .5); |
| 0 | 128 } |
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129 |
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130 |
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131 void TestWorldSceneWidget::UpdateContent() |
| 0 | 132 { |
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133 if (animate_) |
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134 { |
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135 count_++; |
| 278 | 136 NotifyContentChanged(); |
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137 } |
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138 else |
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139 { |
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140 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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141 } |
| 0 | 142 } |
| 143 } | |
| 144 } |