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-rw-r--r--src/base/WideLine.cpp53
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diff --git a/src/base/WideLine.cpp b/src/base/WideLine.cpp
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+//
+// libavg - Media Playback Engine.
+// Copyright (C) 2003-2014 Ulrich von Zadow
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// Current versions can be found at www.libavg.de
+//
+
+#include "WideLine.h"
+
+#include "GLMHelper.h"
+
+namespace avg {
+
+WideLine::WideLine(const glm::vec2& p0, const glm::vec2& p1, float width)
+ : pt0(p0),
+ pt1(p1)
+{
+ glm::vec2 m = glm::normalize(pt1-pt0);
+ glm::vec2 w = glm::vec2(m.y, -m.x)*(width/2);
+ pl0 = p0-w;
+ pr0 = p0+w;
+ pl1 = p1-w;
+ pr1 = p1+w;
+ dir = glm::vec2(w.y, -w.x);
+}
+
+float WideLine::getLen() const
+{
+ return glm::length(pt1-pt0);
+}
+
+std::ostream& operator<<(std::ostream& os, const WideLine& line)
+{
+ os << "(" << line.pt0 << "," << line.pt1 << ")";
+ return os;
+}
+
+}
+