Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/Internals/CairoLookupTableTextureRenderer.cpp @ 1977:ba971d9082d3
cont pixel probe
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 29 Oct 2022 16:31:09 +0200 |
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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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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7 * |
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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 |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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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/>. |
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21 **/ |
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22 |
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23 |
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24 #include "CairoLookupTableTextureRenderer.h" |
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25 |
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26 #include "CairoColorTextureRenderer.h" |
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27 #include "../LookupTableTextureSceneLayer.h" |
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28 |
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29 #include <OrthancException.h> |
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30 |
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31 namespace OrthancStone |
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32 { |
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33 namespace Internals |
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34 { |
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35 void CairoLookupTableTextureRenderer::Update(const ISceneLayer& layer) |
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36 { |
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37 const LookupTableTextureSceneLayer& l = dynamic_cast<const LookupTableTextureSceneLayer&>(layer); |
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38 |
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39 textureTransform_ = l.GetTransform(); |
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40 isLinearInterpolation_ = l.IsLinearInterpolation(); |
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41 |
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42 const Orthanc::ImageAccessor& source = l.GetTexture(); |
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43 const unsigned int width = source.GetWidth(); |
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44 const unsigned int height = source.GetHeight(); |
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45 texture_.SetSize(width, height, true /* alpha channel is enabled */); |
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46 |
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47 Orthanc::ImageAccessor target; |
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48 texture_.GetWriteableAccessor(target); |
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49 l.Render(target); |
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50 |
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51 cairo_surface_mark_dirty(texture_.GetObject()); |
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52 } |
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53 |
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54 void CairoLookupTableTextureRenderer::Render(const AffineTransform2D& transform, |
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55 unsigned int canvasWidth, |
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56 unsigned int canvasHeight) |
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57 { |
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58 CairoColorTextureRenderer::RenderColorTexture(target_, transform, texture_, |
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59 textureTransform_, isLinearInterpolation_); |
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60 } |
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61 } |
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62 } |