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comparison OrthancStone/Sources/Scene2D/Internals/CairoColorTextureRenderer.cpp @ 1512:244ad1e4e76a

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reorganization of folders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:21:02 +0200
parents Framework/Scene2D/Internals/CairoColorTextureRenderer.cpp@2d8ab34c8c91
children 4fb8fdf03314
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1511:9dfeee74c1e6 1512:244ad1e4e76a
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 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
47
48 void CairoColorTextureRenderer::RenderColorTexture(ICairoContextProvider& target,
49 const AffineTransform2D& transform,
50 CairoSurface& texture,
51 const AffineTransform2D& textureTransform,
52 bool isLinearInterpolation)
53 {
54 cairo_t* cr = target.GetCairoContext();
55
56 AffineTransform2D t =
57 AffineTransform2D::Combine(transform, textureTransform);
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);
67 cairo_set_source_surface(cr, texture.GetObject(), 0, 0);
68
69 if (isLinearInterpolation)
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 }