X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Fprofile.cpp;fp=source%2Flibmarklin%2Fprofile.cpp;h=f4dcf188d03b1f58d7ff7c56f153f12217446d94;hb=7e382cc3cad8c4f6945b0c9d89e2ca917b42b740;hp=0000000000000000000000000000000000000000;hpb=446fa7ad737b431621be53a23360ea3bbe417fe5;p=r2c2.git

diff --git a/source/libmarklin/profile.cpp b/source/libmarklin/profile.cpp
new file mode 100644
index 0000000..f4dcf18
--- /dev/null
+++ b/source/libmarklin/profile.cpp
@@ -0,0 +1,58 @@
+/* $Id$
+
+This file is part of the MSP Märklin suite
+Copyright © 2010 Mikkosoft Productions, Mikko Rasa
+Distributed under the GPL
+*/
+
+#include <cmath>
+#include "profile.h"
+
+using namespace std;
+using namespace Msp;
+
+namespace Marklin {
+
+const Point &Profile::get_point(unsigned i) const
+{
+	if(i>=points.size())
+		throw InvalidParameterValue("Index out of range");
+	return points[i];
+}
+
+Point Profile::get_edge_normal(unsigned i) const
+{
+	if(i+1>=points.size())
+		throw InvalidParameterValue("Index out of range");
+	float dx = points[i+1].x-points[i].x;
+	float dy = points[i+1].y-points[i].y;
+	float len = sqrt(dx*dx+dy*dy);
+	return Point(-dx/len, dy/len);
+}
+
+
+Profile::Loader::Loader(Profile &p):
+	DataFile::ObjectLoader<Profile>(p)
+{
+	add("point", &Loader::point);
+}
+
+void Profile::Loader::finish()
+{
+	obj.min_coords = obj.points[0];
+	obj.max_coords = obj.points[0];
+	for(unsigned i=1; i<obj.points.size(); ++i)
+	{
+		obj.min_coords.x = min(obj.min_coords.x, obj.points[i].x);
+		obj.min_coords.y = min(obj.min_coords.y, obj.points[i].y);
+		obj.max_coords.x = max(obj.max_coords.x, obj.points[i].x);
+		obj.max_coords.y = max(obj.max_coords.y, obj.points[i].y);
+	}
+}
+
+void Profile::Loader::point(float x, float y)
+{
+	obj.points.push_back(Point(x/1000, y/1000));
+}
+
+} // namespace Marklin