Mercurial > hg > orthanc-stone

comparison Framework/Layers/SliceOutlineRenderer.cpp @ 133:94d254b9d83d wasm

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 20 Dec 2017 20:15:59 +0100
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children e2fe9352f240
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132:35c2b85836ce 133:94d254b9d83d
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017 Osimis, Belgium
6 *
7 * This program is free software: you can redistribute it and/or
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.
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
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
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "SliceOutlineRenderer.h"
23
24 namespace OrthancStone
25 {
26 bool SliceOutlineRenderer::RenderLayer(CairoContext& context,
27 const ViewportGeometry& view)
28 {
29 if (style_.visible_)
30 {
31 cairo_t *cr = context.GetObject();
32 cairo_save(cr);
33
34 context.SetSourceColor(style_.drawColor_);
35
36 double x1 = -0.5 * pixelSpacingX_;
37 double y1 = -0.5 * pixelSpacingY_;
38
39 cairo_set_line_width(cr, 1.0 / view.GetZoom());
40 cairo_rectangle(cr, x1, y1,
41 static_cast<double>(width_) * pixelSpacingX_,
42 static_cast<double>(height_) * pixelSpacingY_);
43
44 double handleSize = 10.0f / view.GetZoom();
45 cairo_move_to(cr, x1 + handleSize, y1);
46 cairo_line_to(cr, x1, y1 + handleSize);
47
48 cairo_stroke(cr);
49 cairo_restore(cr);
50 }
51
52 return true;
53 }
54 }