Mercurial > hg > orthanc-stone
annotate Framework/Layers/LineLayerRenderer.cpp @ 47:28956ed68280
agpl license
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 11:00:15 +0200 |
| parents | 7207a407bcd8 |
| children | f5f54ed8d307 4cff7b1ed31d |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 8 * modify it under the terms of the GNU Affero General Public License |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 0 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "LineLayerRenderer.h" | |
| 23 | |
| 24 namespace OrthancStone | |
| 25 { | |
| 26 LineLayerRenderer::LineLayerRenderer(double x1, | |
| 27 double y1, | |
| 28 double x2, | |
| 29 double y2) : | |
| 30 x1_(x1), | |
| 31 y1_(y1), | |
| 32 x2_(x2), | |
| 33 y2_(y2) | |
| 34 { | |
| 35 RenderStyle style; | |
| 36 SetLayerStyle(style); | |
| 37 } | |
| 38 | |
| 39 | |
| 40 bool LineLayerRenderer::RenderLayer(CairoContext& context, | |
| 41 const ViewportGeometry& view) | |
| 42 { | |
| 43 if (visible_) | |
| 44 { | |
| 45 context.SetSourceColor(color_); | |
| 46 | |
| 47 cairo_t *cr = context.GetObject(); | |
| 48 cairo_set_line_width(cr, 1.0 / view.GetZoom()); | |
| 49 cairo_move_to(cr, x1_, y1_); | |
| 50 cairo_line_to(cr, x2_, y2_); | |
| 51 cairo_stroke(cr); | |
| 52 } | |
| 53 | |
| 54 return true; | |
| 55 } | |
| 56 | |
| 57 | |
| 58 void LineLayerRenderer::SetLayerStyle(const RenderStyle& style) | |
| 59 { | |
| 60 visible_ = style.visible_; | |
| 61 color_[0] = style.drawColor_[0]; | |
| 62 color_[1] = style.drawColor_[1]; | |
| 63 color_[2] = style.drawColor_[2]; | |
| 64 } | |
| 65 } |