forked from tTh/FloatImg
sorry again...
This commit is contained in:
parent
36b42ea917
commit
47de778e60
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* FloatImg library from tTh
|
||||
* FloatImg library from tTh - ugly code inside
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
|
@ -12,7 +12,10 @@
|
|||
extern int verbosity;
|
||||
|
||||
/* -------------------------------------------------------------- */
|
||||
|
||||
/*
|
||||
* parameter mix is between 0.0 and 1.0 but other
|
||||
* values give sometime good vibrations.
|
||||
*/
|
||||
int fimg_mix_rgb_gray(FloatImg *img, float mix)
|
||||
{
|
||||
int x, y, p;
|
||||
|
@ -24,7 +27,8 @@ if (FIMG_TYPE_RGB != img->type) {
|
|||
}
|
||||
|
||||
for (y=0; y<img->height; y++) {
|
||||
p = y * img->width;
|
||||
p = y * img->width; /* first pixel of the row */
|
||||
|
||||
for (x=0; x<img->width; x++) {
|
||||
|
||||
gr = (img->R[p] + img->G[p] + img->R[p]) / 3.0;
|
||||
|
@ -42,17 +46,21 @@ return 0;
|
|||
}
|
||||
|
||||
/* -------------------------------------------------------------- */
|
||||
/*
|
||||
* The third parameter was a six value array with min and max
|
||||
* values maybe computed by the 'fimg_get_minmax_rgb' function.
|
||||
*/
|
||||
int fimg_shift_to_zero(FloatImg *s, FloatImg *d, float coefs[6])
|
||||
{
|
||||
int sz, idx;
|
||||
|
||||
sz = s->width * s->height;
|
||||
|
||||
if (FIMG_TYPE_RGB != s->type) {
|
||||
fprintf(stderr, "%s bad type\n", __func__);
|
||||
return -6;
|
||||
}
|
||||
|
||||
sz = s->width * s->height;
|
||||
|
||||
for (idx=0; idx<sz; idx++) {
|
||||
d->R[idx] = s->R[idx] - coefs[0];
|
||||
d->G[idx] = s->G[idx] - coefs[2];
|
||||
|
|
Loading…
Reference in New Issue