1 files changed, 102 insertions, 0 deletions
diff --git a/chalk/plugins/filters/cubismfilter/kis_polygon.cpp b/chalk/plugins/filters/cubismfilter/kis_polygon.cpp
new file mode 100644
index 000000000..cd2d979f2
--- /dev/null
+++ b/chalk/plugins/filters/cubismfilter/kis_polygon.cpp
@@ -0,0 +1,102 @@
+/*
+ * This file is part of Chalk
+ *
+ * Copyright (c) 2005 Michael Thaler <michael.thaler@physik.tu-muenchen.de>
+ *
+ * ported from Gimp, Copyright (C) 1997 Eiichi Takamori <taka@ma1.seikyou.ne.jp>
+ * original pixelize.c for GIMP 0.54 by Tracy Scott
+ *
+ *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <math.h>
+#include <tqvaluevector.h>
+
+#include <kis_point.h>
+
+#include "kis_polygon.h"
+
+void KisPolygon::addPoint(double x, double y)
+{
+        KisPoint point(x, y);
+        append(point);
+}
+
+void KisPolygon::rotate(double theta)
+{
+        double ct, st, ox, oy;
+        
+        ct = cos( theta );
+        st = sin( theta );
+        
+        KisPointVector::iterator it;
+        for( it = begin(); it != end(); ++it )
+        {
+                ox = (*it).x();
+                oy = (*it).y();
+                (*it).setX( ct * ox - st * oy );
+                (*it).setY( st * ox + ct * oy );
+        }
+}
+
+void KisPolygon::translate(double tx, double ty)
+{
+        KisPointVector::iterator it;
+        
+        for( it = begin(); it != end(); ++it )
+        {
+                (*it).setX( (*it).x() + tx );
+                (*it).setY( (*it).y() + ty );
+        }
+}
+
+TQ_INT32 KisPolygon::extents (double& x1, double& y1, double& x2, double& y2)
+{
+        if ( empty() )
+        {
+                return 0;     
+        }
+        x1 = x2 = front().x();
+        y1 = y2 = front().y();
+
+        KisPointVector::iterator it;
+        
+        for( it = begin(); it != end(); ++it )
+        {
+                if ((*it).x() < x1)
+                {
+                        x1 = (*it).x();
+                }
+                if ((*it).x() > x2)
+                {
+                        x2 = (*it).x();
+                }
+                if ((*it).y() < y1)
+                {
+                        y1 = (*it).y();
+                }
+                if ((*it).y() > y2)
+                {
+                        y2 = (*it).y();
+                }
+        }
+        return 1;
+}
+
+TQ_INT32 KisPolygon::numberOfPoints()
+{
+        return count();
+}
+