boolean polygon operations

[swftools.git] / lib / gfxpoly.h

diff --git a/lib/gfxpoly.h b/lib/gfxpoly.h
new file mode 100644 (file)
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+++ b/lib/gfxpoly.h
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+/* gfxpoly.h 
+
+   Various boolean polygon functions.
+
+   Part of the swftools package.
+
+   Copyright (c) 2005 Matthias Kramm <kramm@quiss.org> 
+
+   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 2 of the License, or
+   (at your option) any later version.
+
+   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, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef __gfxpoly_h__
+#define __gfxpoly_h__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#include "../lib/mem.h"
+#include "../lib/gfxdevice.h"
+#include "../lib/gfxtools.h"
+
+typedef struct _gfxpoly {
+} gfxpoly_t;
+
+void gfxpoly_free(gfxpoly_t*);
+
+/* constructors */
+gfxpoly_t* gfxpoly_fillToPoly(gfxline_t*line);
+gfxpoly_t* gfxpoly_strokeToPoly(gfxline_t*line, gfxcoord_t width, gfx_capType cap_style, gfx_joinType joint_style, double miterLimit);
+gfxpoly_t* gfxpoly_createbox(double x1, double y1,double x2, double y2);
+
+/* boolean operations */
+gfxpoly_t* gfxpoly_intersect(gfxpoly_t*line1, gfxpoly_t*line2);
+gfxpoly_t* gfxpoly_union(gfxpoly_t*line1, gfxpoly_t*line2);
+
+/* other things */
+gfxline_t* gfxpoly_to_gfxline(gfxpoly_t*poly);
+gfxline_t* gfxline_circularToEvenOdd(gfxline_t*line);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__gfxpoly_h__
+