Mercurial > hg > orthanc-stone
diff Framework/Layers/LineLayerRenderer.cpp @ 0:351ab0da0150
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Oct 2016 15:34:11 +0200 |
parents | |
children | 7207a407bcd8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Layers/LineLayerRenderer.cpp Fri Oct 14 15:34:11 2016 +0200 @@ -0,0 +1,76 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * 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 + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "LineLayerRenderer.h" + +namespace OrthancStone +{ + LineLayerRenderer::LineLayerRenderer(double x1, + double y1, + double x2, + double y2) : + x1_(x1), + y1_(y1), + x2_(x2), + y2_(y2) + { + RenderStyle style; + SetLayerStyle(style); + } + + + bool LineLayerRenderer::RenderLayer(CairoContext& context, + const ViewportGeometry& view) + { + if (visible_) + { + context.SetSourceColor(color_); + + cairo_t *cr = context.GetObject(); + cairo_set_line_width(cr, 1.0 / view.GetZoom()); + cairo_move_to(cr, x1_, y1_); + cairo_line_to(cr, x2_, y2_); + cairo_stroke(cr); + } + + return true; + } + + + void LineLayerRenderer::SetLayerStyle(const RenderStyle& style) + { + visible_ = style.visible_; + color_[0] = style.drawColor_[0]; + color_[1] = style.drawColor_[1]; + color_[2] = style.drawColor_[2]; + } +}