79 lines
2.7 KiB
C
79 lines
2.7 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_PATTERN_INCLUDED
|
||
|
|
#define AGG_SPAN_PATTERN_INCLUDED
|
||
|
|
|
||
|
|
#include "agg_basics.h"
|
||
|
|
#include "agg_rendering_buffer.h"
|
||
|
|
#include "agg_span_generator.h"
|
||
|
|
|
||
|
|
|
||
|
|
namespace agg
|
||
|
|
{
|
||
|
|
|
||
|
|
//--------------------------------------------------------span_pattern
|
||
|
|
template<class ColorT, class AlphaT, class Allocator>
|
||
|
|
class span_pattern : public span_generator<ColorT, Allocator>
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
typedef ColorT color_type;
|
||
|
|
typedef AlphaT alpha_type;
|
||
|
|
typedef Allocator alloc_type;
|
||
|
|
|
||
|
|
//----------------------------------------------------------------
|
||
|
|
span_pattern(alloc_type& alloc) :
|
||
|
|
span_generator<color_type, alloc_type>(alloc)
|
||
|
|
{}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------
|
||
|
|
span_pattern(alloc_type& alloc,
|
||
|
|
const rendering_buffer& src,
|
||
|
|
unsigned offset_x, unsigned offset_y,
|
||
|
|
alpha_type alpha) :
|
||
|
|
span_generator<color_type, alloc_type>(alloc),
|
||
|
|
m_src(&src),
|
||
|
|
m_offset_x(offset_x),
|
||
|
|
m_offset_y(offset_y),
|
||
|
|
m_alpha(alpha)
|
||
|
|
{}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------
|
||
|
|
const rendering_buffer& source_image() const { return *m_src; }
|
||
|
|
unsigned offset_x() const { return m_offset_x; }
|
||
|
|
unsigned offset_y() const { return m_offset_y; }
|
||
|
|
alpha_type alpha() const { return m_alpha; }
|
||
|
|
|
||
|
|
//----------------------------------------------------------------
|
||
|
|
void source_image(const rendering_buffer& v) { m_src = &v; }
|
||
|
|
void offset_x(unsigned v) { m_offset_x = v; }
|
||
|
|
void offset_y(unsigned v) { m_offset_y = v; }
|
||
|
|
void alpha(alpha_type v) { m_alpha = v; }
|
||
|
|
|
||
|
|
//----------------------------------------------------------------
|
||
|
|
private:
|
||
|
|
const rendering_buffer* m_src;
|
||
|
|
unsigned m_offset_x;
|
||
|
|
unsigned m_offset_y;
|
||
|
|
alpha_type m_alpha;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|