286 lines
10 KiB
C++
286 lines
10 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
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// This part of the library has been sponsored by
|
|
// Liberty Technology Systems, Inc., visit http://lib-sys.com
|
|
//
|
|
// Liberty Technology Systems, Inc. is the provider of
|
|
// PostScript and PDF technology for software developers.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// A set of functors used with color_conv(). See file agg_color_conv.h
|
|
// These functors can convert images with up to 8 bits per component.
|
|
// Use convertors in the following way:
|
|
//
|
|
// agg::color_conv(dst, src, agg::color_conv_XXXX_to_YYYY());
|
|
//----------------------------------------------------------------------------
|
|
|
|
#ifndef AGG_COLOR_CONV_RGB16_INCLUDED
|
|
#define AGG_COLOR_CONV_RGB16_INCLUDED
|
|
|
|
#include "agg_basics.h"
|
|
#include "agg_color_conv.h"
|
|
|
|
namespace agg
|
|
{
|
|
|
|
//-------------------------------------------------color_conv_gray16_to_gray8
|
|
class color_conv_gray16_to_gray8
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
int16u* s = (int16u*)src;
|
|
do
|
|
{
|
|
*dst++ = *s++ >> 8;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------color_conv_rgb24_rgb48
|
|
template<int I1, int I3> class color_conv_rgb24_rgb48
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
int16u* d = (int16u*)dst;
|
|
do
|
|
{
|
|
*d++ = (src[I1] << 8) | src[I1];
|
|
*d++ = (src[1] << 8) | src[1] ;
|
|
*d++ = (src[I3] << 8) | src[I3];
|
|
src += 3;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
typedef color_conv_rgb24_rgb48<0,2> color_conv_rgb24_to_rgb48;
|
|
typedef color_conv_rgb24_rgb48<0,2> color_conv_bgr24_to_bgr48;
|
|
typedef color_conv_rgb24_rgb48<2,0> color_conv_rgb24_to_bgr48;
|
|
typedef color_conv_rgb24_rgb48<2,0> color_conv_bgr24_to_rgb48;
|
|
|
|
|
|
//-----------------------------------------------------color_conv_rgb24_rgb48
|
|
template<int I1, int I3> class color_conv_rgb48_rgb24
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
const int16u* s = (const int16u*)src;
|
|
do
|
|
{
|
|
*dst++ = s[I1] >> 8;
|
|
*dst++ = s[1] >> 8;
|
|
*dst++ = s[I3] >> 8;
|
|
s += 3;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
typedef color_conv_rgb48_rgb24<0,2> color_conv_rgb48_to_rgb24;
|
|
typedef color_conv_rgb48_rgb24<0,2> color_conv_bgr48_to_bgr24;
|
|
typedef color_conv_rgb48_rgb24<2,0> color_conv_rgb48_to_bgr24;
|
|
typedef color_conv_rgb48_rgb24<2,0> color_conv_bgr48_to_rgb24;
|
|
|
|
|
|
//----------------------------------------------color_conv_rgbAAA_rgb24
|
|
template<int R, int B> class color_conv_rgbAAA_rgb24
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
do
|
|
{
|
|
int32u rgb = *(int32u*)src;
|
|
dst[R] = int8u(rgb >> 22);
|
|
dst[1] = int8u(rgb >> 12);
|
|
dst[B] = int8u(rgb >> 2);
|
|
src += 4;
|
|
dst += 3;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
typedef color_conv_rgbAAA_rgb24<0,2> color_conv_rgbAAA_to_rgb24;
|
|
typedef color_conv_rgbAAA_rgb24<2,0> color_conv_rgbAAA_to_bgr24;
|
|
typedef color_conv_rgbAAA_rgb24<2,0> color_conv_bgrAAA_to_rgb24;
|
|
typedef color_conv_rgbAAA_rgb24<0,2> color_conv_bgrAAA_to_bgr24;
|
|
|
|
|
|
//----------------------------------------------color_conv_rgbBBA_rgb24
|
|
template<int R, int B> class color_conv_rgbBBA_rgb24
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
do
|
|
{
|
|
int32u rgb = *(int32u*)src;
|
|
dst[R] = int8u(rgb >> 24);
|
|
dst[1] = int8u(rgb >> 13);
|
|
dst[B] = int8u(rgb >> 2);
|
|
src += 4;
|
|
dst += 3;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
typedef color_conv_rgbBBA_rgb24<0,2> color_conv_rgbBBA_to_rgb24;
|
|
typedef color_conv_rgbBBA_rgb24<2,0> color_conv_rgbBBA_to_bgr24;
|
|
|
|
|
|
//----------------------------------------------color_conv_bgrABB_rgb24
|
|
template<int B, int R> class color_conv_bgrABB_rgb24
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
do
|
|
{
|
|
int32u bgr = *(int32u*)src;
|
|
dst[R] = int8u(bgr >> 3);
|
|
dst[1] = int8u(bgr >> 14);
|
|
dst[B] = int8u(bgr >> 24);
|
|
src += 4;
|
|
dst += 3;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
typedef color_conv_bgrABB_rgb24<2,0> color_conv_bgrABB_to_rgb24;
|
|
typedef color_conv_bgrABB_rgb24<0,2> color_conv_bgrABB_to_bgr24;
|
|
|
|
|
|
//-------------------------------------------------color_conv_rgba64_rgba32
|
|
template<int I1, int I2, int I3, int I4> class color_conv_rgba64_rgba32
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
do
|
|
{
|
|
*dst++ = int8u(((int16u*)src)[I1] >> 8);
|
|
*dst++ = int8u(((int16u*)src)[I2] >> 8);
|
|
*dst++ = int8u(((int16u*)src)[I3] >> 8);
|
|
*dst++ = int8u(((int16u*)src)[I4] >> 8);
|
|
src += 8;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
//------------------------------------------------------------------------
|
|
typedef color_conv_rgba64_rgba32<0,1,2,3> color_conv_rgba64_to_rgba32; //----color_conv_rgba64_to_rgba32
|
|
typedef color_conv_rgba64_rgba32<0,1,2,3> color_conv_argb64_to_argb32; //----color_conv_argb64_to_argb32
|
|
typedef color_conv_rgba64_rgba32<0,1,2,3> color_conv_bgra64_to_bgra32; //----color_conv_bgra64_to_bgra32
|
|
typedef color_conv_rgba64_rgba32<0,1,2,3> color_conv_abgr64_to_abgr32; //----color_conv_abgr64_to_abgr32
|
|
typedef color_conv_rgba64_rgba32<0,3,2,1> color_conv_argb64_to_abgr32; //----color_conv_argb64_to_abgr32
|
|
typedef color_conv_rgba64_rgba32<3,2,1,0> color_conv_argb64_to_bgra32; //----color_conv_argb64_to_bgra32
|
|
typedef color_conv_rgba64_rgba32<1,2,3,0> color_conv_argb64_to_rgba32; //----color_conv_argb64_to_rgba32
|
|
typedef color_conv_rgba64_rgba32<3,0,1,2> color_conv_bgra64_to_abgr32; //----color_conv_bgra64_to_abgr32
|
|
typedef color_conv_rgba64_rgba32<3,2,1,0> color_conv_bgra64_to_argb32; //----color_conv_bgra64_to_argb32
|
|
typedef color_conv_rgba64_rgba32<2,1,0,3> color_conv_bgra64_to_rgba32; //----color_conv_bgra64_to_rgba32
|
|
typedef color_conv_rgba64_rgba32<3,2,1,0> color_conv_rgba64_to_abgr32; //----color_conv_rgba64_to_abgr32
|
|
typedef color_conv_rgba64_rgba32<3,0,1,2> color_conv_rgba64_to_argb32; //----color_conv_rgba64_to_argb32
|
|
typedef color_conv_rgba64_rgba32<2,1,0,3> color_conv_rgba64_to_bgra32; //----color_conv_rgba64_to_bgra32
|
|
typedef color_conv_rgba64_rgba32<0,3,2,1> color_conv_abgr64_to_argb32; //----color_conv_abgr64_to_argb32
|
|
typedef color_conv_rgba64_rgba32<1,2,3,0> color_conv_abgr64_to_bgra32; //----color_conv_abgr64_to_bgra32
|
|
typedef color_conv_rgba64_rgba32<3,2,1,0> color_conv_abgr64_to_rgba32; //----color_conv_abgr64_to_rgba32
|
|
|
|
|
|
|
|
//--------------------------------------------color_conv_rgb24_rgba64
|
|
template<int I1, int I2, int I3, int A> class color_conv_rgb24_rgba64
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
int16u* d = (int16u*)dst;
|
|
do
|
|
{
|
|
d[I1] = (src[0] << 8) | src[0];
|
|
d[I2] = (src[1] << 8) | src[1];
|
|
d[I3] = (src[2] << 8) | src[2];
|
|
d[A] = 65535;
|
|
d += 4;
|
|
src += 3;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
typedef color_conv_rgb24_rgba64<1,2,3,0> color_conv_rgb24_to_argb64; //----color_conv_rgb24_to_argb64
|
|
typedef color_conv_rgb24_rgba64<3,2,1,0> color_conv_rgb24_to_abgr64; //----color_conv_rgb24_to_abgr64
|
|
typedef color_conv_rgb24_rgba64<2,1,0,3> color_conv_rgb24_to_bgra64; //----color_conv_rgb24_to_bgra64
|
|
typedef color_conv_rgb24_rgba64<0,1,2,3> color_conv_rgb24_to_rgba64; //----color_conv_rgb24_to_rgba64
|
|
typedef color_conv_rgb24_rgba64<3,2,1,0> color_conv_bgr24_to_argb64; //----color_conv_bgr24_to_argb64
|
|
typedef color_conv_rgb24_rgba64<1,2,3,0> color_conv_bgr24_to_abgr64; //----color_conv_bgr24_to_abgr64
|
|
typedef color_conv_rgb24_rgba64<0,1,2,3> color_conv_bgr24_to_bgra64; //----color_conv_bgr24_to_bgra64
|
|
typedef color_conv_rgb24_rgba64<2,1,0,3> color_conv_bgr24_to_rgba64; //----color_conv_bgr24_to_rgba64
|
|
|
|
|
|
template<int R, int B> class color_conv_rgb24_gray16
|
|
{
|
|
public:
|
|
void operator () (int8u* dst,
|
|
const int8u* src,
|
|
unsigned width) const
|
|
{
|
|
int16u* d = (int16u*)dst;
|
|
do
|
|
{
|
|
*d++ = src[R]*77 + src[1]*150 + src[B]*29;
|
|
src += 3;
|
|
}
|
|
while(--width);
|
|
}
|
|
};
|
|
|
|
typedef color_conv_rgb24_gray16<0,2> color_conv_rgb24_to_gray16;
|
|
typedef color_conv_rgb24_gray16<2,0> color_conv_bgr24_to_gray16;
|
|
|
|
|
|
}
|
|
|
|
|
|
#endif
|