52 lines
1.5 KiB
C++
52 lines
1.5 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
|
|
//----------------------------------------------------------------------------
|
|
|
|
#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
|
|
|