diff Framework/Layers/LineLayerRenderer.cpp @ 0:351ab0da0150

initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
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];
+  }
+}