Initial checkin

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9933 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-11-12 02:02:58 +00:00
parent 5344cdf47b
commit 39241fe228
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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_SPAN_CONVERTER_INCLUDED
+#define AGG_SPAN_CONVERTER_INCLUDED
+
+#include "agg_basics.h"
+
+namespace agg
+{
+    //----------------------------------------------------------span_converter
+    template<class SpanGenerator, class Conv> class span_converter
+    {
+    public:
+        typedef typename SpanGenerator::color_type color_type;
+
+        span_converter(SpanGenerator& span_gen, Conv& conv) : 
+            m_span_gen(&span_gen), m_conv(&conv) {}
+
+        //--------------------------------------------------------------------
+        void prepare(unsigned max_span_len) 
+        {
+            m_span_gen->prepare(max_span_len);
+        }
+
+        //--------------------------------------------------------------------
+        color_type* generate(int x, int y, unsigned len)
+        {
+            color_type* span = m_span_gen->generate(x, y, len);
+            m_conv->convert(span, len);
+            return span;
+        }
+
+    private:
+        SpanGenerator* m_span_gen;
+        Conv*          m_conv;
+    };
+
+}
+
+#endif