Mercurial > hg > orthanc-stone
annotate Framework/Widgets/TestWorldSceneWidget.cpp @ 55:f0f354a97581 wasm
simplification
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 28 Apr 2017 17:24:18 +0200 |
parents | 01aa453d4d5b |
children | d2adc6189a95 |
rev | line source |
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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 | |
51 virtual void MouseOver(CairoContext& context, | |
52 WorldSceneWidget& widget, | |
53 const SliceGeometry& slice, | |
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, | |
84 char key, | |
85 KeyboardModifiers modifiers, | |
86 IStatusBar* statusBar) | |
87 { | |
88 if (statusBar) | |
89 { | |
90 statusBar->SetMessage("Key pressed: \"" + std::string(1, key) + "\""); | |
91 } | |
92 } | |
93 }; | |
94 | |
95 | |
96 bool TestWorldSceneWidget::RenderScene(CairoContext& context, | |
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97 const ViewportGeometry& view) |
0 | 98 { |
99 cairo_t* cr = context.GetObject(); | |
100 | |
101 // Clear background | |
102 cairo_set_source_rgb(cr, 0, 0, 0); | |
103 cairo_paint(cr); | |
104 | |
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105 float color = static_cast<float>(count_ % 16) / 15.0f; |
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106 cairo_set_source_rgb(cr, 0, 1.0f - color, color); |
0 | 107 cairo_rectangle(cr, -10, -.5, 20, 1); |
108 cairo_fill(cr); | |
109 | |
110 return true; | |
111 } | |
112 | |
113 | |
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114 TestWorldSceneWidget::TestWorldSceneWidget(bool animate) : |
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115 interactor_(new Interactor), |
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116 animate_(animate), |
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117 count_(0) |
0 | 118 { |
119 SetInteractor(*interactor_); | |
120 } | |
121 | |
122 | |
123 void TestWorldSceneWidget::GetSceneExtent(double& x1, | |
124 double& y1, | |
125 double& x2, | |
126 double& y2) | |
127 { | |
128 x1 = -10; | |
129 x2 = 10; | |
130 y1 = -.5; | |
131 y2 = .5; | |
132 } | |
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133 |
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134 |
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135 void TestWorldSceneWidget::UpdateContent() |
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136 { |
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137 if (animate_) |
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138 { |
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139 count_++; |
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140 NotifyChange(); |
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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 } |
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146 } |
0 | 147 } |
148 } |