Mercurial > hg > orthanc-stone
annotate Framework/Scene2D/Internals/CairoLookupTableTextureRenderer.cpp @ 1271:0ca50d275b9a broker
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 31 Jan 2020 17:34:57 +0100 |
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1 /** |
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2 * Stone of Orthanc |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Affero General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Affero General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 |
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22 #include "CairoLookupTableTextureRenderer.h" |
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23 |
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24 #include "CairoColorTextureRenderer.h" |
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25 #include "../LookupTableTextureSceneLayer.h" |
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26 |
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27 #include <Core/OrthancException.h> |
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28 |
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29 namespace OrthancStone |
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30 { |
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31 namespace Internals |
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32 { |
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33 void CairoLookupTableTextureRenderer::Update(const ISceneLayer& layer) |
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34 { |
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35 const LookupTableTextureSceneLayer& l = dynamic_cast<const LookupTableTextureSceneLayer&>(layer); |
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36 |
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37 textureTransform_ = l.GetTransform(); |
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38 isLinearInterpolation_ = l.IsLinearInterpolation(); |
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39 |
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40 const Orthanc::ImageAccessor& source = l.GetTexture(); |
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41 const unsigned int width = source.GetWidth(); |
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42 const unsigned int height = source.GetHeight(); |
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43 texture_.SetSize(width, height, true /* alpha channel is enabled */); |
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44 |
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45 Orthanc::ImageAccessor target; |
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46 texture_.GetWriteableAccessor(target); |
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47 l.Render(target); |
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49 cairo_surface_mark_dirty(texture_.GetObject()); |
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50 } |
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51 |
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52 void CairoLookupTableTextureRenderer::Render(const AffineTransform2D& transform, |
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53 unsigned int canvasWidth, |
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54 unsigned int canvasHeight) |
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55 { |
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56 CairoColorTextureRenderer::RenderColorTexture(target_, transform, texture_, |
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57 textureTransform_, isLinearInterpolation_); |
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58 } |
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59 } |
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60 } |