Initial checkin

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9933 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/libs/agg/agg_trans_warp_magnifier.h

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+//----------------------------------------------------------------------------
+// Anti-Grain Geometry - Version 2.2
+// Copyright (C) 2002-2004 Maxim Shemanarev (http://www.antigrain.com)
+//
+// Permission to copy, use, modify, sell and distribute this software 
+// is granted provided this copyright notice appears in all copies. 
+// This software is provided "as is" without express or implied
+// warranty, and with no claim as to its suitability for any purpose.
+//
+//----------------------------------------------------------------------------
+// Contact: [email protected]
+//          [email protected]
+//          http://www.antigrain.com
+//----------------------------------------------------------------------------
+
+#ifndef AGG_WARP_MAGNIFIER_INCLUDED
+#define AGG_WARP_MAGNIFIER_INCLUDED
+
+
+namespace agg
+{
+
+    //----------------------------------------------------trans_warp_magnifier
+    //
+    // See Inmplementation agg_trans_warp_magnifier.cpp
+    //
+    class trans_warp_magnifier
+    {
+    public:
+        trans_warp_magnifier() : m_xc(0.0), m_yc(0.0), m_magn(1.0), m_radius(1.0) {}
+ 
+        void center(double x, double y) { m_xc = x; m_yc = y; }
+        void magnification(double m)    { m_magn = m;         }
+        void radius(double r)           { m_radius = r;       }
+
+        void transform(double* x, double* y) const;
+        void inverse_transform(double* x, double* y) const;
+
+    private:
+        double m_xc;
+        double m_yc;
+        double m_magn;
+        double m_radius;
+    };
+
+
+}
+
+
+#endif
+