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comparison Framework/Widgets/TestCairoWidget.cpp @ 0:351ab0da0150

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
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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 }