chromium/third_party/pdfium/third_party/agg23/agg_math.h

//----------------------------------------------------------------------------
// Anti-Grain Geometry - Version 2.3
// 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: [email protected]
//          [email protected]
//          http://www.antigrain.com
//----------------------------------------------------------------------------
// Bessel function (besj) was adapted for use in AGG library by Andy Wilk
// Contact: [email protected]
//----------------------------------------------------------------------------
#ifndef AGG_MATH_INCLUDED
#define AGG_MATH_INCLUDED
#include "agg_basics.h"
namespace pdfium
{
namespace agg
{
const float intersection_epsilon = …;
AGG_INLINE float calc_point_location(float x1, float y1,
                                        float x2, float y2,
                                        float x,  float y)
{ … }
AGG_INLINE float calc_distance(float x1, float y1, float x2, float y2)
{ … }
AGG_INLINE float calc_line_point_distance(float x1, float y1,
        float x2, float y2,
        float x,  float y)
{ … }
AGG_INLINE bool calc_intersection(float ax, float ay, float bx, float by,
                                  float cx, float cy, float dx, float dy,
                                  float* x, float* y)
{ … }
}
}  // namespace pdfium
#endif