Mercurial > hg > orthanc-stone
diff Framework/Layers/MissingLayerRenderer.h @ 88:90bf4116a23c wasm
ISlicedVolume
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 26 May 2017 16:11:52 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Layers/MissingLayerRenderer.h Fri May 26 16:11:52 2017 +0200 @@ -0,0 +1,91 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017 Osimis, 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/>. + **/ + + +#pragma once + +#include "ILayerRenderer.h" + +namespace OrthancStone +{ + class MissingLayerRenderer : public ILayerRenderer + { + private: + double x1_; + double y1_; + double x2_; + double y2_; + RenderStyle style_; + + public: + MissingLayerRenderer(double x1, + double y1, + double x2, + double y2) : + x1_(x1), + y1_(y1), + x2_(x2), + y2_(y2) + { + if (x1_ > x2_) + { + std::swap(x1_, x2_); + } + + if (y1_ > y2_) + { + std::swap(y1_, y2_); + } + } + + virtual bool RenderLayer(CairoContext& context, + const ViewportGeometry& view, + const SliceGeometry& viewportSlice) + { + if (style_.visible_) + { + view.ApplyTransform(context); + context.SetSourceColor(style_.drawColor_); + + cairo_t *cr = context.GetObject(); + cairo_set_line_width(cr, 1.0 / view.GetZoom()); + cairo_rectangle(cr, x1_, y1_, x2_ - x1_, y2_ - y1_); + + double handleSize = 10.0f / view.GetZoom(); + cairo_move_to(cr, x1_ + handleSize, y1_); + cairo_line_to(cr, x1_, y1_ + handleSize); + + cairo_stroke(cr); + } + + return true; + } + + virtual void SetLayerStyle(const RenderStyle& style) + { + style_ = style; + } + + virtual bool IsFullQuality() + { + return true; + } + }; +}