119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
|
//----------------------------------------------------------------------------
|
||
|
|
// Anti-Grain Geometry - Version 2.4
|
||
|
|
// Copyright (C) 2002-2005 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
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function render_ctrl
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#ifndef AGG_CTRL_INCLUDED
|
||
|
|
#define AGG_CTRL_INCLUDED
|
||
|
|
|
||
|
|
#include "agg_trans_affine.h"
|
||
|
|
#include "agg_renderer_scanline.h"
|
||
|
|
|
||
|
|
namespace agg
|
||
|
|
{
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------ctrl
|
||
|
|
class ctrl
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
virtual ~ctrl() {}
|
||
|
|
ctrl(double x1, double y1, double x2, double y2, bool flip_y) :
|
||
|
|
m_x1(x1), m_y1(y1), m_x2(x2), m_y2(y2),
|
||
|
|
m_flip_y(flip_y),
|
||
|
|
m_mtx(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
virtual bool in_rect(double x, double y) const = 0;
|
||
|
|
virtual bool on_mouse_button_down(double x, double y) = 0;
|
||
|
|
virtual bool on_mouse_button_up(double x, double y) = 0;
|
||
|
|
virtual bool on_mouse_move(double x, double y, bool button_flag) = 0;
|
||
|
|
virtual bool on_arrow_keys(bool left, bool right, bool down, bool up) = 0;
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
void transform(const trans_affine& mtx) { m_mtx = &mtx; }
|
||
|
|
void no_transform() { m_mtx = 0; }
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
void transform_xy(double* x, double* y) const
|
||
|
|
{
|
||
|
|
if(m_flip_y) *y = m_y1 + m_y2 - *y;
|
||
|
|
if(m_mtx) m_mtx->transform(x, y);
|
||
|
|
}
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
void inverse_transform_xy(double* x, double* y) const
|
||
|
|
{
|
||
|
|
if(m_mtx) m_mtx->inverse_transform(x, y);
|
||
|
|
if(m_flip_y) *y = m_y1 + m_y2 - *y;
|
||
|
|
}
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
double scale() const { return m_mtx ? m_mtx->scale() : 1.0; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
ctrl(const ctrl&);
|
||
|
|
const ctrl& operator = (const ctrl&);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
double m_x1;
|
||
|
|
double m_y1;
|
||
|
|
double m_x2;
|
||
|
|
double m_y2;
|
||
|
|
|
||
|
|
private:
|
||
|
|
bool m_flip_y;
|
||
|
|
const trans_affine* m_mtx;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
template<class Rasterizer, class Scanline, class Renderer, class Ctrl>
|
||
|
|
void render_ctrl(Rasterizer& ras, Scanline& sl, Renderer& r, Ctrl& c)
|
||
|
|
{
|
||
|
|
unsigned i;
|
||
|
|
for(i = 0; i < c.num_paths(); i++)
|
||
|
|
{
|
||
|
|
ras.reset();
|
||
|
|
ras.add_path(c, i);
|
||
|
|
render_scanlines_aa_solid(ras, sl, r, c.color(i));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
template<class Rasterizer, class Scanline, class Renderer, class Ctrl>
|
||
|
|
void render_ctrl_rs(Rasterizer& ras, Scanline& sl, Renderer& r, Ctrl& c)
|
||
|
|
{
|
||
|
|
unsigned i;
|
||
|
|
for(i = 0; i < c.num_paths(); i++)
|
||
|
|
{
|
||
|
|
ras.reset();
|
||
|
|
ras.add_path(c, i);
|
||
|
|
r.color(c.color(i));
|
||
|
|
render_scanlines(ras, sl, r);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|