Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/Internals/CairoColorTextureRenderer.cpp @ 2124:16c01cc201e7
updated copyright, as Osimis is not active on Orthanc anymore
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 30 May 2024 17:00:29 +0200 |
| parents | c23eef785569 |
| children |
| 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 | |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 597 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
| 597 | 10 * as published by the Free Software Foundation, either version 3 of |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 597 | 21 **/ |
| 22 | |
| 23 | |
| 24 #include "CairoColorTextureRenderer.h" | |
| 25 | |
| 26 #include "../ColorTextureSceneLayer.h" | |
| 27 | |
| 28 namespace OrthancStone | |
| 29 { | |
| 30 namespace Internals | |
| 31 { | |
| 32 CairoColorTextureRenderer::CairoColorTextureRenderer(ICairoContextProvider& target, | |
| 33 const ISceneLayer& layer) : | |
| 34 target_(target) | |
| 35 { | |
| 36 Update(layer); | |
| 37 } | |
| 38 | |
| 39 | |
| 40 void CairoColorTextureRenderer::Update(const ISceneLayer& layer) | |
| 41 { | |
| 42 const ColorTextureSceneLayer& l = dynamic_cast<const ColorTextureSceneLayer&>(layer); | |
| 43 | |
| 44 texture_.Copy(l.GetTexture(), true); | |
| 45 textureTransform_ = l.GetTransform(); | |
| 46 isLinearInterpolation_ = l.IsLinearInterpolation(); | |
| 47 } | |
| 48 | |
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49 |
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50 void CairoColorTextureRenderer::RenderColorTexture(ICairoContextProvider& target, |
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51 const AffineTransform2D& transform, |
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52 CairoSurface& texture, |
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53 const AffineTransform2D& textureTransform, |
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54 bool isLinearInterpolation) |
| 597 | 55 { |
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56 cairo_t* cr = target.GetCairoContext(); |
| 597 | 57 |
| 58 AffineTransform2D t = | |
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59 AffineTransform2D::Combine(transform, textureTransform); |
| 597 | 60 Matrix h = t.GetHomogeneousMatrix(); |
| 61 | |
| 62 cairo_save(cr); | |
| 63 | |
| 64 cairo_matrix_t m; | |
| 65 cairo_matrix_init(&m, h(0, 0), h(1, 0), h(0, 1), h(1, 1), h(0, 2), h(1, 2)); | |
| 66 cairo_transform(cr, &m); | |
| 67 | |
| 68 cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | |
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69 cairo_set_source_surface(cr, texture.GetObject(), 0, 0); |
| 597 | 70 |
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71 if (isLinearInterpolation) |
| 597 | 72 { |
| 73 cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_BILINEAR); | |
| 74 } | |
| 75 else | |
| 76 { | |
| 77 cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST); | |
| 78 } | |
| 79 | |
| 80 cairo_paint(cr); | |
| 81 | |
| 82 cairo_restore(cr); | |
| 83 } | |
| 84 } | |
| 85 } |