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Fr4nz D13trich 2025-11-22 13:58:55 +01:00
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3party/agg/agg_trans_warp_magnifier.h Normal file
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//----------------------------------------------------------------------------
// 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; }
double xc() const { return m_xc; }
double yc() const { return m_yc; }
double magnification() const { return m_magn; }
double radius() const { return m_radius; }
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