Mercurial > hg > orthanc-stone

comparison Framework/Layers/LineLayerRenderer.cpp @ 0:351ab0da0150

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:34:11 +0200
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children 7207a407bcd8
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-1:000000000000 0:351ab0da0150
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 "LineLayerRenderer.h"
34
35 namespace OrthancStone
36 {
37 LineLayerRenderer::LineLayerRenderer(double x1,
38 double y1,
39 double x2,
40 double y2) :
41 x1_(x1),
42 y1_(y1),
43 x2_(x2),
44 y2_(y2)
45 {
46 RenderStyle style;
47 SetLayerStyle(style);
48 }
49
50
51 bool LineLayerRenderer::RenderLayer(CairoContext& context,
52 const ViewportGeometry& view)
53 {
54 if (visible_)
55 {
56 context.SetSourceColor(color_);
57
58 cairo_t *cr = context.GetObject();
59 cairo_set_line_width(cr, 1.0 / view.GetZoom());
60 cairo_move_to(cr, x1_, y1_);
61 cairo_line_to(cr, x2_, y2_);
62 cairo_stroke(cr);
63 }
64
65 return true;
66 }
67
68
69 void LineLayerRenderer::SetLayerStyle(const RenderStyle& style)
70 {
71 visible_ = style.visible_;
72 color_[0] = style.drawColor_[0];
73 color_[1] = style.drawColor_[1];
74 color_[2] = style.drawColor_[2];
75 }
76 }