agg/include/agg_rounded_rect.h

73 lines
2.2 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
//----------------------------------------------------------------------------
//
// Rounded rectangle vertex generator
//
//----------------------------------------------------------------------------
#ifndef AGG_ROUNDED_RECT_INCLUDED
#define AGG_ROUNDED_RECT_INCLUDED
#include "agg_basics.h"
#include "agg_arc.h"
namespace agg
{
//------------------------------------------------------------rounded_rect
//
// See Implemantation agg_rounded_rect.cpp
//
class rounded_rect
{
public:
rounded_rect() {}
rounded_rect(double x1, double y1, double x2, double y2, double r);
void rect(double x1, double y1, double x2, double y2);
void radius(double r);
void radius(double rx, double ry);
void radius(double rx_bottom, double ry_bottom, double rx_top, double ry_top);
void radius(double rx1, double ry1, double rx2, double ry2,
double rx3, double ry3, double rx4, double ry4);
void normalize_radius();
void approximation_scale(double s) { m_arc.approximation_scale(s); }
double approximation_scale() const { return m_arc.approximation_scale(); }
void rewind(unsigned);
unsigned vertex(double* x, double* y);
private:
double m_x1;
double m_y1;
double m_x2;
double m_y2;
double m_rx1;
double m_ry1;
double m_rx2;
double m_ry2;
double m_rx3;
double m_ry3;
double m_rx4;
double m_ry4;
unsigned m_status;
arc m_arc;
};
}
#endif