mirror of
https://github.com/reactos/reactos.git
synced 2024-07-14 00:25:05 +00:00
93 lines
1.6 KiB
C
93 lines
1.6 KiB
C
#include "fitz-base.h"
|
|
#include "fitz-world.h"
|
|
|
|
void
|
|
fz_convertpixmap(fz_colorspace *srcs, fz_pixmap *src, fz_colorspace *dsts, fz_pixmap *dst)
|
|
{
|
|
srcs->convpixmap(srcs, src, dsts, dst);
|
|
}
|
|
|
|
void
|
|
fz_convertcolor(fz_colorspace *srcs, float *srcv, fz_colorspace *dsts, float *dstv)
|
|
{
|
|
srcs->convcolor(srcs, srcv, dsts, dstv);
|
|
}
|
|
|
|
fz_colorspace *
|
|
fz_keepcolorspace(fz_colorspace *cs)
|
|
{
|
|
if (cs->refs < 0)
|
|
return cs;
|
|
cs->refs ++;
|
|
return cs;
|
|
}
|
|
|
|
void
|
|
fz_dropcolorspace(fz_colorspace *cs)
|
|
{
|
|
if (cs->refs < 0)
|
|
return;
|
|
if (--cs->refs == 0)
|
|
{
|
|
if (cs->drop)
|
|
cs->drop(cs);
|
|
fz_free(cs);
|
|
}
|
|
}
|
|
|
|
void
|
|
fz_stdconvcolor(fz_colorspace *srcs, float *srcv, fz_colorspace *dsts, float *dstv)
|
|
{
|
|
float xyz[3];
|
|
int i;
|
|
|
|
if (srcs != dsts)
|
|
{
|
|
srcs->toxyz(srcs, srcv, xyz);
|
|
dsts->fromxyz(dsts, xyz, dstv);
|
|
for (i = 0; i < dsts->n; i++)
|
|
dstv[i] = CLAMP(dstv[i], 0.0, 1.0);
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < srcs->n; i++)
|
|
dstv[i] = srcv[i];
|
|
}
|
|
}
|
|
|
|
void
|
|
fz_stdconvpixmap(fz_colorspace *srcs, fz_pixmap *src, fz_colorspace *dsts, fz_pixmap *dst)
|
|
{
|
|
float srcv[FZ_MAXCOLORS];
|
|
float dstv[FZ_MAXCOLORS];
|
|
int y, x, k;
|
|
|
|
unsigned char *s = src->samples;
|
|
unsigned char *d = dst->samples;
|
|
|
|
#ifndef NDEBUG
|
|
printf("convert pixmap from %s to %s\n", srcs->name, dsts->name);
|
|
#endif
|
|
|
|
assert(src->w == dst->w && src->h == dst->h);
|
|
assert(src->n == srcs->n + 1);
|
|
assert(dst->n == dsts->n + 1);
|
|
|
|
for (y = 0; y < src->h; y++)
|
|
{
|
|
for (x = 0; x < src->w; x++)
|
|
{
|
|
*d++ = *s++;
|
|
|
|
for (k = 0; k < src->n - 1; k++)
|
|
srcv[k] = *s++ / 255.0;
|
|
|
|
fz_convertcolor(srcs, srcv, dsts, dstv);
|
|
|
|
for (k = 0; k < dst->n - 1; k++)
|
|
*d++ = dstv[k] * 255;
|
|
}
|
|
}
|
|
}
|
|
|