Mercurial > hg > orthanc-stone
view Framework/Scene2D/Internals/CairoLookupTableTextureRenderer.cpp @ 1317:8981bfca3457 broker
fix nullptr
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Tue, 17 Mar 2020 08:37:12 +0100 |
parents | 7ec8fea061b9 |
children | 30deba7bc8e2 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "CairoLookupTableTextureRenderer.h" #include "CairoColorTextureRenderer.h" #include "../LookupTableTextureSceneLayer.h" #include <Core/OrthancException.h> namespace OrthancStone { namespace Internals { void CairoLookupTableTextureRenderer::Update(const ISceneLayer& layer) { const LookupTableTextureSceneLayer& l = dynamic_cast<const LookupTableTextureSceneLayer&>(layer); textureTransform_ = l.GetTransform(); isLinearInterpolation_ = l.IsLinearInterpolation(); const Orthanc::ImageAccessor& source = l.GetTexture(); const unsigned int width = source.GetWidth(); const unsigned int height = source.GetHeight(); texture_.SetSize(width, height, true /* alpha channel is enabled */); Orthanc::ImageAccessor target; texture_.GetWriteableAccessor(target); l.Render(target); cairo_surface_mark_dirty(texture_.GetObject()); } void CairoLookupTableTextureRenderer::Render(const AffineTransform2D& transform, unsigned int canvasWidth, unsigned int canvasHeight) { CairoColorTextureRenderer::RenderColorTexture(target_, transform, texture_, textureTransform_, isLinearInterpolation_); } } }