Mercurial > hg > orthanc-stone
comparison Framework/Widgets/TestCairoWidget.cpp @ 0:351ab0da0150
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Oct 2016 15:34:11 +0200 |
parents | |
children | ff1e935768e7 |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #include "TestCairoWidget.h" | |
34 | |
35 #include "../Orthanc/Core/Toolbox.h" | |
36 | |
37 #include <stdio.h> | |
38 | |
39 | |
40 namespace OrthancStone | |
41 { | |
42 namespace Samples | |
43 { | |
44 void TestCairoWidget::UpdateStep() | |
45 { | |
46 value_ -= 0.01f; | |
47 if (value_ < 0) | |
48 { | |
49 value_ = 1; | |
50 } | |
51 | |
52 NotifyChange(); | |
53 | |
54 Orthanc::Toolbox::USleep(25000); | |
55 } | |
56 | |
57 | |
58 bool TestCairoWidget::RenderCairo(CairoContext& context) | |
59 { | |
60 cairo_t* cr = context.GetObject(); | |
61 | |
62 cairo_set_source_rgb (cr, .3, 0, 0); | |
63 cairo_paint(cr); | |
64 | |
65 cairo_set_source_rgb(cr, 0, 1, 0); | |
66 cairo_rectangle(cr, width_ / 4, height_ / 4, width_ / 2, height_ / 2); | |
67 cairo_set_line_width(cr, 1.0); | |
68 cairo_fill(cr); | |
69 | |
70 cairo_set_source_rgb(cr, 0, 1, value_); | |
71 cairo_rectangle(cr, width_ / 2 - 50, height_ / 2 - 50, 100, 100); | |
72 cairo_fill(cr); | |
73 | |
74 return true; | |
75 } | |
76 | |
77 | |
78 void TestCairoWidget::RenderMouseOverCairo(CairoContext& context, | |
79 int x, | |
80 int y) | |
81 { | |
82 cairo_t* cr = context.GetObject(); | |
83 | |
84 cairo_set_source_rgb (cr, 1, 0, 0); | |
85 cairo_rectangle(cr, x - 5, y - 5, 10, 10); | |
86 cairo_set_line_width(cr, 1.0); | |
87 cairo_stroke(cr); | |
88 | |
89 char buf[64]; | |
90 sprintf(buf, "(%d,%d)", x, y); | |
91 UpdateStatusBar(buf); | |
92 } | |
93 | |
94 | |
95 TestCairoWidget::TestCairoWidget(bool animate) : | |
96 width_(0), | |
97 height_(0), | |
98 value_(1), | |
99 animate_(animate) | |
100 { | |
101 } | |
102 | |
103 | |
104 void TestCairoWidget::SetSize(unsigned int width, | |
105 unsigned int height) | |
106 { | |
107 CairoWidget::SetSize(width, height); | |
108 width_ = width; | |
109 height_ = height; | |
110 } | |
111 | |
112 | |
113 IMouseTracker* TestCairoWidget::CreateMouseTracker(MouseButton button, | |
114 int x, | |
115 int y, | |
116 KeyboardModifiers modifiers) | |
117 { | |
118 UpdateStatusBar("Click"); | |
119 return NULL; | |
120 } | |
121 | |
122 | |
123 void TestCairoWidget::MouseWheel(MouseWheelDirection direction, | |
124 int x, | |
125 int y, | |
126 KeyboardModifiers modifiers) | |
127 { | |
128 UpdateStatusBar(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up"); | |
129 } | |
130 | |
131 | |
132 void TestCairoWidget::KeyPressed(char key, | |
133 KeyboardModifiers modifiers) | |
134 { | |
135 UpdateStatusBar("Key pressed: \"" + std::string(1, key) + "\""); | |
136 } | |
137 } | |
138 } |