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#include "plugin.h"
INFO("color distortion")
void perform_effect(struct frame f, struct args a)
{
int x, y;
pixel16 *p16;
pixel32 *p32;
pixel16 c1, c2, c3;
switch(f.pixelformat)
{
case 16:
for(y=0; y<f.height; y++)
{
p16=scanline16(f, y);
for(x=1; x<f.width; x++)
{
p16[x]=(p16[x]+p16[x-1])/2;
}
}
break;
case 32:
for(y=0; y<f.height; y++)
{
p32=scanline32(f, y);
for(x=1; x<f.width; x++)
{
p32[x]=(p32[x]+p32[x-1])/2;
}
}
break;
}
}
void perform_copy(struct frame f1, struct frame f2, struct args a)
{
int x, y, w, h;
pixel16 *p1_16, *p2_16, c1, c2, c3;
pixel32 *p1_32, *p2_32;
w = f1.width<f2.width ? f1.width : f2.width;
h = f1.height<f2.height ? f1.height : f2.height;
switch(f1.pixelformat)
{
case 16:
for(y=0; y<h; y++)
{
p1_16 = scanline16(f1, y);
p2_16 = scanline16(f2, y);
for(x=1; x<w; x++)
{
p2_16[x]=(p1_16[x]+p2_16[x])/2;
}
}
break;
case 32:
for(y=0; y<h; y++)
{
p1_32 = scanline32(f1, y);
p2_32 = scanline32(f2, y);
for(x=1; x<w; x++)
{
p2_32[x]=(p1_32[x]+p2_32[x])/2;
}
}
break;
}
}
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