192 lines
4.3 KiB
C
192 lines
4.3 KiB
C
/*
|
|
combine5.c
|
|
----------
|
|
dégradés linéaires divers.
|
|
avec des erreurs d'arrondi dedans.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "tthimage.h"
|
|
|
|
/*::------------------------------------------------------------------::*/
|
|
int
|
|
Image_combine_Vdegrade(Image_Desc *s1, Image_Desc *s2,
|
|
Image_Desc *dst, int sens)
|
|
{
|
|
int x, y, foo;
|
|
int r1, g1, b1;
|
|
int r2, g2, b2;
|
|
int rd, gd, bd;
|
|
double k, ka, kb;
|
|
|
|
if ( (foo=Image_compare_desc(s1, s2)) )
|
|
{
|
|
fprintf(stderr, "V degrade: sources err: %s\n", Image_err2str(foo));
|
|
return foo;
|
|
}
|
|
|
|
for (y=0; y<s1->height; y++)
|
|
{
|
|
k = (double)y/(double)s1->height;
|
|
if (sens) { ka = k; kb = 1.0 - ka; }
|
|
else { kb = k; ka = 1.0 - kb; }
|
|
|
|
for (x=0; x<s1->width; x++)
|
|
{
|
|
Image_getRGB(s1, x, y, &r1, &g1, &b1);
|
|
Image_getRGB(s2, x, y, &r2, &g2, &b2);
|
|
rd = (int)((double)r1*ka+(double)r2*(kb));
|
|
gd = (int)((double)g1*ka+(double)g2*(kb));
|
|
bd = (int)((double)b1*ka+(double)b2*(kb));
|
|
Image_plotRGB(dst, x, y, rd, gd, bd);
|
|
}
|
|
}
|
|
|
|
return OLL_KORRECT;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
int
|
|
Image_combine_Hdegrade( Image_Desc *s1, Image_Desc *s2,
|
|
Image_Desc *dst, int sens)
|
|
{
|
|
int x, y, foo;
|
|
int r1, g1, b1;
|
|
int r2, g2, b2;
|
|
int rd, gd, bd;
|
|
double k, ka, kb;
|
|
|
|
if ( (foo=Image_compare_desc(s1, s2)) )
|
|
{
|
|
fprintf(stderr, "H degrade: sources err: %s\n", Image_err2str(foo));
|
|
return foo;
|
|
}
|
|
|
|
for (x=0; x<s1->width; x++)
|
|
{
|
|
k = (double)x/(double)s1->width;
|
|
if (sens) { ka = k; kb = 1.0-ka; }
|
|
else { kb = k; ka = 1.0-kb; }
|
|
for (y=0; y<s1->height; y++)
|
|
{
|
|
Image_getRGB(s1, x, y, &r1, &g1, &b1);
|
|
Image_getRGB(s2, x, y, &r2, &g2, &b2);
|
|
rd = (int)((double)r1*ka+(double)r2*(kb));
|
|
gd = (int)((double)g1*ka+(double)g2*(kb));
|
|
bd = (int)((double)b1*ka+(double)b2*(kb));
|
|
Image_plotRGB(dst, x, y, rd, gd, bd);
|
|
}
|
|
}
|
|
|
|
return OLL_KORRECT;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
/*
|
|
* bon, là, on va essayer de faire ça en diagonale, mais
|
|
* je pense que ça ne va pas être simple, car il faut traiter
|
|
* le cas des images qui ne sont pas carrées...
|
|
*/
|
|
int
|
|
Image_combine_Ddegrade( Image_Desc *s1, Image_Desc *s2,
|
|
Image_Desc *dst, int sens)
|
|
{
|
|
int foo;
|
|
|
|
fprintf(stderr, "%s:%d:%s: no such function or procedure\n",
|
|
__FILE__, __LINE__, __func__);
|
|
|
|
if ( (foo=Image_compare_desc(s1, s2)) )
|
|
{
|
|
fprintf(stderr, "D degrade: sources err: %s\n", Image_err2str(foo));
|
|
return foo;
|
|
}
|
|
if ( (foo=Image_compare_desc(s1, dst)) )
|
|
{
|
|
fprintf(stderr, "D degrade: dst err: %s\n", Image_err2str(foo));
|
|
return foo;
|
|
}
|
|
|
|
fprintf(stderr, "%s : sens=%d\n", __func__, sens); /* XXX */
|
|
|
|
return FUNC_NOT_FINISH;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
/* nouveau 29 novembre 2013
|
|
*/
|
|
int Image_combine_Vsplit(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
|
|
int xv, int uh)
|
|
{
|
|
int foo, x, y;
|
|
|
|
#if DEBUG_LEVEL
|
|
fprintf(stderr, "%s (%p %p %p %d %d)\n", __func__, s1, s2, d, xv, uh);
|
|
#endif
|
|
|
|
if (0 != uh)
|
|
fprintf(stderr, "%s : uh must be 0 and not %d\n", __func__, uh);
|
|
|
|
if ( (foo=Image_compare_desc(s1, s2)) )
|
|
{
|
|
fprintf(stderr, "%s : src err: %s\n", __func__, Image_err2str(foo));
|
|
return foo;
|
|
}
|
|
|
|
for (y=0; y<s1->height; y++)
|
|
{
|
|
for (x=0; x<s1->width; x++)
|
|
{
|
|
if (x<xv)
|
|
{
|
|
(d->Rpix[y])[x] = (s1->Rpix[y])[x];
|
|
(d->Gpix[y])[x] = (s1->Gpix[y])[x];
|
|
(d->Bpix[y])[x] = (s1->Bpix[y])[x];
|
|
}
|
|
else
|
|
{
|
|
(d->Rpix[y])[x] = (s2->Rpix[y])[x];
|
|
(d->Gpix[y])[x] = (s2->Gpix[y])[x];
|
|
(d->Bpix[y])[x] = (s2->Bpix[y])[x];
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
return FUNC_IS_BETA;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|
|
/* nouveau 29 novembre 2013
|
|
*/
|
|
int Image_combine_Hsplit(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
|
|
int yv, int uh)
|
|
{
|
|
int x, y;
|
|
|
|
#if DEBUG_LEVEL
|
|
fprintf(stderr, "%s (%p %p %p %d %d)\n", __func__, s1, s2, d, yv, uh);
|
|
#endif
|
|
|
|
if (0 != uh)
|
|
fprintf(stderr, "*** %s : uh must be 0 and not %d\n", __func__, uh);
|
|
|
|
for (y=0; y<s1->height; y++) {
|
|
for (x=0; x<s1->width; x++) {
|
|
if (y<yv)
|
|
{
|
|
(d->Rpix[y])[x] = (s1->Rpix[y])[x];
|
|
(d->Gpix[y])[x] = (s1->Gpix[y])[x];
|
|
(d->Bpix[y])[x] = (s1->Bpix[y])[x];
|
|
}
|
|
else
|
|
{
|
|
(d->Rpix[y])[x] = (s2->Rpix[y])[x];
|
|
(d->Gpix[y])[x] = (s2->Gpix[y])[x];
|
|
(d->Bpix[y])[x] = (s2->Bpix[y])[x];
|
|
}
|
|
}
|
|
}
|
|
|
|
return FUNC_IS_BETA;
|
|
}
|
|
/*::------------------------------------------------------------------::*/
|