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remove now unused blending modes as they have been replaced with AGG compositing modes - refs #1206

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Dane Springmeyer 2012-06-06 16:16:30 -07:00
parent 291bc9b8ba
commit 76211243a4
1 changed files with 0 additions and 90 deletions
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90
include/mapnik/graphics.hpp
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@ -46,96 +46,6 @@
namespace mapnik
{
struct Multiply
{
inline static void mergeRGB(unsigned const &r0, unsigned const &g0, unsigned const &b0,
unsigned &r1, unsigned &g1, unsigned &b1)
{
r1 = r1*r0/255;
g1 = g1*g0/255;
b1 = b1*b0/255;
}
};
struct Multiply2
{
inline static void mergeRGB(unsigned const &r0, unsigned const &g0, unsigned const &b0,
unsigned &r1, unsigned &g1, unsigned &b1)
{
r1 = r1*r0/128;
if (r1>255) r1=255;
g1 = g1*g0/128;
if (g1>255) g1=255;
b1 = b1*b0/128;
if (b1>255) b1=255;
}
};
struct Divide
{
inline static void mergeRGB(unsigned const &r0, unsigned const &g0, unsigned const &b0,
unsigned &r1, unsigned &g1, unsigned &b1)
{
r1 = r0*256/(r1+1);
g1 = g0*256/(g1+1);
b1 = b0*256/(b1+1);
}
};
struct Divide2
{
inline static void mergeRGB(unsigned const &r0, unsigned const &g0, unsigned const &b0,
unsigned &r1, unsigned &g1, unsigned &b1)
{
r1 = r0*128/(r1+1);
g1 = g0*128/(g1+1);
b1 = b0*128/(b1+1);
}
};
struct Screen
{
inline static void mergeRGB(unsigned const &r0, unsigned const &g0, unsigned const &b0,
unsigned &r1, unsigned &g1, unsigned &b1)
{
r1 = 255 - (255-r0)*(255-r1)/255;
g1 = 255 - (255-g0)*(255-g1)/255;
b1 = 255 - (255-b0)*(255-b1)/255;
}
};
struct HardLight
{
inline static void mergeRGB(unsigned const &r0, unsigned const &g0, unsigned const &b0,
unsigned &r1, unsigned &g1, unsigned &b1)
{
r1 = (r1>128)?255-(255-r0)*(255-2*(r1-128))/256:r0*r1*2/256;
g1 = (g1>128)?255-(255-g0)*(255-2*(g1-128))/256:g0*g1*2/256;
b1 = (b1>128)?255-(255-b0)*(255-2*(b1-128))/256:b0*b1*2/256;
}
};
struct MergeGrain
{
inline static void mergeRGB(unsigned const &r0, unsigned const &g0, unsigned const &b0,
unsigned &r1, unsigned &g1, unsigned &b1)
{
r1 = (r1+r0>128)?r1+r0-128:0;
if (r1>255) r1=255;
g1 = (g1+g0>128)?g1+g0-128:0;
if (g1>255) g1=255;
b1 = (b1+b0>128)?b1+b0-128:0;
if (b1>255) b1=255;
}
};
struct MergeGrain2
{
inline static void mergeRGB(unsigned const &r0, unsigned const &g0, unsigned const &b0,
unsigned &r1, unsigned &g1, unsigned &b1)
{
r1 = (2*r1+r0>256)?2*r1+r0-256:0;
if (r1>255) r1=255;
g1 = (2*g1+g0>256)?2*g1+g0-256:0;
if (g1>255) g1=255;
b1 = (2*b1+b0>256)?2*b1+b0-256:0;
if (b1>255) b1=255;
}
};
class MAPNIK_DECL image_32
{
private: