haiku/headers/libs/agg/agg_span_converter.h
DarkWyrm abd0030237 Sync to AGG tree to support stippi's Painter classes
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10693 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-01-12 11:05:58 +00:00

54 lines
1.7 KiB
C++

//----------------------------------------------------------------------------
// 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: mcseem@antigrain.com
// mcseemagg@yahoo.com
// 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, x, y, len);
return span;
}
private:
SpanGenerator* m_span_gen;
Conv* m_conv;
};
}
#endif