Mercurial > hg > orthanc-stone
view Framework/Scene2D/Internals/CairoInfoPanelRenderer.cpp @ 1303:83af7e562b45 broker
IGeometryProvider interface for deprecated loaders (required for AB testing in older app)
author | Benjamin Golinvaux <bgo@osimis.io> |
---|---|
date | Wed, 04 Mar 2020 09:44:09 +0100 |
parents | 2d8ab34c8c91 |
children | be17fed8c7c5 |
line wrap: on
line source
/** * 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 "CairoInfoPanelRenderer.h" #include "../InfoPanelSceneLayer.h" namespace OrthancStone { namespace Internals { void CairoInfoPanelRenderer::Update(const ISceneLayer& layer) { const InfoPanelSceneLayer& l = dynamic_cast<const InfoPanelSceneLayer&>(layer); texture_.Copy(l.GetTexture(), true); anchor_ = l.GetAnchor(); isLinearInterpolation_ = l.IsLinearInterpolation(); } void CairoInfoPanelRenderer::Render(const AffineTransform2D& transform, unsigned int canvasWidth, unsigned int canvasHeight) { int dx, dy; InfoPanelSceneLayer::ComputeAnchorLocation( dx, dy, anchor_, texture_.GetWidth(), texture_.GetHeight(), canvasWidth, canvasHeight); cairo_t* cr = target_.GetCairoContext(); cairo_save(cr); cairo_matrix_t t; cairo_matrix_init_identity(&t); cairo_matrix_translate(&t, dx, dy); cairo_transform(cr, &t); cairo_set_operator(cr, CAIRO_OPERATOR_OVER); cairo_set_source_surface(cr, texture_.GetObject(), 0, 0); if (isLinearInterpolation_) { cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_BILINEAR); } else { cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST); } cairo_paint(cr); cairo_restore(cr); } } }