Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/Internals/CairoColorTextureRenderer.cpp @ 1005:7e861cfd142d
Added a union find class (on integers) called DisjointDataSet
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Fri, 20 Sep 2019 12:01:20 +0200 |
parents | 55411e7da2f7 |
children | 2d8ab34c8c91 |
rev | line source |
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597 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2019 Osimis S.A., 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 "CairoColorTextureRenderer.h" | |
23 | |
24 #include "../ColorTextureSceneLayer.h" | |
25 | |
26 namespace OrthancStone | |
27 { | |
28 namespace Internals | |
29 { | |
30 CairoColorTextureRenderer::CairoColorTextureRenderer(ICairoContextProvider& target, | |
31 const ISceneLayer& layer) : | |
32 target_(target) | |
33 { | |
34 Update(layer); | |
35 } | |
36 | |
37 | |
38 void CairoColorTextureRenderer::Update(const ISceneLayer& layer) | |
39 { | |
40 const ColorTextureSceneLayer& l = dynamic_cast<const ColorTextureSceneLayer&>(layer); | |
41 | |
42 texture_.Copy(l.GetTexture(), true); | |
43 textureTransform_ = l.GetTransform(); | |
44 isLinearInterpolation_ = l.IsLinearInterpolation(); | |
45 } | |
46 | |
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47 |
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48 void CairoColorTextureRenderer::RenderColorTexture(ICairoContextProvider& target, |
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49 const AffineTransform2D& transform, |
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50 CairoSurface& texture, |
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51 const AffineTransform2D& textureTransform, |
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52 bool isLinearInterpolation) |
597 | 53 { |
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54 cairo_t* cr = target.GetCairoContext(); |
597 | 55 |
56 AffineTransform2D t = | |
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parents:
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57 AffineTransform2D::Combine(transform, textureTransform); |
597 | 58 Matrix h = t.GetHomogeneousMatrix(); |
59 | |
60 cairo_save(cr); | |
61 | |
62 cairo_matrix_t m; | |
63 cairo_matrix_init(&m, h(0, 0), h(1, 0), h(0, 1), h(1, 1), h(0, 2), h(1, 2)); | |
64 cairo_transform(cr, &m); | |
65 | |
66 cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | |
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67 cairo_set_source_surface(cr, texture.GetObject(), 0, 0); |
597 | 68 |
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69 if (isLinearInterpolation) |
597 | 70 { |
71 cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_BILINEAR); | |
72 } | |
73 else | |
74 { | |
75 cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST); | |
76 } | |
77 | |
78 cairo_paint(cr); | |
79 | |
80 cairo_restore(cr); | |
81 } | |
82 } | |
83 } |