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Removed unused version of RScaleImage() in wrlib/scale.c

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... as the "broken_code" preprocessor symbol appears nowhere else.
This commit is contained in:
Nicolas Bonifas
2010-02-26 12:22:56 +01:00
committed by Carlos R. Mafra
parent 1861880239
commit ad853b386e
1 changed files with 0 additions and 98 deletions
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98
wrlib/scale.c
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@@ -45,7 +45,6 @@
*
*----------------------------------------------------------------------
*/
#ifndef broken_code
RImage *RScaleImage(RImage * image, unsigned new_width, unsigned new_height)
{
int ox;
@@ -125,103 +124,6 @@ RImage *RScaleImage(RImage * image, unsigned new_width, unsigned new_height)
return img;
}
#else
RImage *RScaleImage(RImage * src, unsigned new_width, unsigned new_height)
{
int ddy, ee;
int h2;
int yd;
int xd, xs;
RImage *dst;
int e, xd2;
unsigned char *sr, *sg, *sb, *sa;
unsigned char *dr, *dg, *db, *da;
int ys = 0;
dst = RCreateImage(new_width, new_height, src->data[3] != NULL);
ddy = src->height / 2;
ee = (ddy / 2) - dst->height;
h2 = new_height / 2;
xd = dst->width;
xs = src->width / 2;
e = (src->width / 2) - xd;
xd2 = xd / 2;
sr = src->data[0];
sg = src->data[1];
sb = src->data[2];
sa = src->data[3];
dr = dst->data[0];
dg = dst->data[1];
db = dst->data[2];
da = dst->data[3];
if (sa == NULL) {
for (yd = 0; yd < new_height; yd++) {
int x;
sr = src->data[0] + ys * src->width;
sg = src->data[1] + ys * src->width;
sb = src->data[2] + ys * src->width;
for (x = 0; x < xd; x++) {
*(dr++) = *sr;
*(dg++) = *sg;
*(db++) = *sb;
while (e >= 0) {
sr++;
sg++;
sb++;
e -= xd2;
}
e += xs;
}
while (ee >= 0) {
ys++;
ee -= h2;
}
ee += ddy;
}
} else {
for (yd = 0; yd < new_height; yd++) {
int x;
sr = src->data[0] + ys * src->width;
sg = src->data[1] + ys * src->width;
sb = src->data[2] + ys * src->width;
sa = src->data[3] + ys * src->width;
for (x = 0; x < xd; x++) {
*(dr++) = *sr;
*(dg++) = *sg;
*(db++) = *sb;
*(da++) = *sa;
while (e >= 0) {
sr++;
sg++;
sb++;
sa++;
e -= xd2;
}
e += xs;
}
while (ee >= 0) {
ys++;
ee -= h2;
}
ee += ddy;
}
}
return dst;
}
#endif
/*
* Filtered Image Rescaling code copy/pasted from
* Graphics Gems III