Clifford Wolf:

	Added first steps towards dxf extrusion support



git-svn-id: http://svn.clifford.at/openscad/trunk@57 b57f626f-c46c-0410-a088-ec61d464b74c

1 files changed, 28 insertions, 0 deletions

diff --git a/openscad.h b/openscad.h
index 014355c..f906147 100644
--- a/openscad.h
+++ b/openscad.h
@@ -264,6 +264,7 @@ extern void register_builtin_transform();
 extern void register_builtin_primitives();
 extern void register_builtin_control();
 extern void register_builtin_render();
+extern void register_builtin_dxf_linear_extrude();
 
 class Context
 {
@@ -288,6 +289,33 @@ public:
 	AbstractNode *evaluate_module(const ModuleInstanciation *inst) const;
 };
 
+class DxfData
+{
+public:
+	struct Point {
+		double x, y;
+		Point() : x(0), y(0) { }
+		Point(double x, double y) : x(x), y(y) { }
+	};
+	struct Line {
+		Point *p[2];
+		Line(Point *p1, Point *p2) { p[0] = p1; p[1] = p2; }
+		Line() { p[0] = NULL; p[1] = NULL; }
+	};
+	struct Path {
+		QList<Point*> points;
+		bool is_closed, is_inner;
+		Path() : is_closed(false), is_inner(false) { }
+	};
+
+	QList<Point> points;
+	QList<Path> paths;
+
+	DxfData(double fn, double fs, double fa, QString filename, QString layername = QString());
+
+	Point *p(double x, double y);
+};
+
 // The CGAL template magic slows down the compilation process by a factor of 5.
 // So we only include the declaration of AbstractNode where it is needed...
 #ifdef INCLUDE_ABSTRACT_NODE_DETAILS