414 lines
9.1 KiB
C
414 lines
9.1 KiB
C
/*
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combine.c others effects
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========= --------------
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made by Thierry Boudet, aka "Oulala", aka "Tonton Th".
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ces fonctions combinent de diverses façons deux images
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de memes dimensions. on pourra, par exemple, les utiliser
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pour comparer deux traitements.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "../tthimage.h"
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#ifndef min
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#define min(a,b) ((a)<(b)?(a):(b))
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#define max(a,b) ((a)>(b)?(a):(b))
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#endif
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/*::------------------------------------------------------------------::*/
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/*
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* le paramètre 'zak' n'est pas utilisé et doit être mis à 0
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*/
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int Image_combine_lines(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
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int sy, int oy, int zak)
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{
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int foo, x, y, my, r, g, b;
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if (sy == 0) {
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fprintf(stderr, "Combine Lines: sy is zer0 and zak is %d\n", zak);
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return DIVISOR_IS_ZERO;
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}
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if ( (foo=Image_compare_desc(s1, s2)) ) {
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fprintf(stderr, "Combine Lines: sources are differents (%d)\n", foo);
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return foo;
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}
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#if DEBUG_LEVEL
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fprintf(stderr, "Combine lines: %d %d\n", sy, oy);
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#endif
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for (y=0; y<s1->height; y++) {
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my = (y+oy) / sy;
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for (x=0; x<s1->width; x++) {
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if ( my&1 ) {
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r = (s1->Rpix[y])[x];
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g = (s1->Gpix[y])[x];
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b = (s1->Bpix[y])[x];
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}
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else {
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r = (s2->Rpix[y])[x];
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g = (s2->Gpix[y])[x];
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b = (s2->Bpix[y])[x];
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}
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(d->Rpix[y])[x] = r;
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(d->Gpix[y])[x] = g;
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(d->Bpix[y])[x] = b;
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}
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}
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return OLL_KORRECT;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* le paramètre 'zak' n'est pas utilisé et doit être mis à 0
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*/
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int Image_combine_columns(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
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int sx, int ox, int zak)
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{
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int foo, x, y, mx, r, g, b;
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if (zak) {
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fprintf(stderr, "in %s, zak is not 0\n", __func__);
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}
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if (sx == 0) {
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fprintf(stderr, "Combine Columns: sx is zer0\n");
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return DIVISOR_IS_ZERO;
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}
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if ( (foo=Image_compare_desc(s1, s2)) ) {
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fprintf(stderr, "Combine Lines: sources are differents (%d)\n", foo);
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return foo;
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}
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#if DEBUG_LEVEL
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fprintf(stderr, "Combine columns: %d %d\n", sx, ox);
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#endif
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for (y=0; y<s1->height; y++) {
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for (x=0; x<s1->width; x++) {
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mx = (x+ox) / sx;
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if ( mx & 1 ) {
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r = (s1->Rpix[y])[x];
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g = (s1->Gpix[y])[x];
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b = (s1->Bpix[y])[x];
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}
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else {
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r = (s2->Rpix[y])[x];
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g = (s2->Gpix[y])[x];
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b = (s2->Bpix[y])[x];
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}
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(d->Rpix[y])[x] = r;
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(d->Gpix[y])[x] = g;
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(d->Bpix[y])[x] = b;
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}
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}
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d->modified = 1;
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return OLL_KORRECT;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* 28 Jan 2001: pourquoi ne pas introduire un calcul automatique
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* des coefficients ox & oy pour obtenir le centrage ?
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*
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* 'zak' parameter is not used, and must be 0.
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*/
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int Image_combine_checker(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
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int sx, int sy, int ox, int oy, int zak)
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{
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int foo, r, g, b;
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int x, y, mx, my;
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#if DEBUG_LEVEL
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fprintf(stderr, "Checker (%p, %p) -> %p [%d,%d] [%d,%d]\n",
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s1, s2, d, sx, sy, ox, oy);
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#endif
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if (zak) {
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fprintf(stderr, "%s: 'zak' = %d, must be 0.\n", __func__, zak);
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}
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if ( sx==0 || sy==0 ) {
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fprintf(stderr, "Combine Checker: sx or sy is Zero\n");
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return DIVISOR_IS_ZERO;
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}
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if ( (foo=Image_compare_desc(s1, s2)) ) {
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fprintf(stderr, "Combine Checker: sources are differents (%d)\n", foo);
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return foo;
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}
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for (y=0; y<s1->height; y++) {
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my = (y+oy) / sy;
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for (x=0; x<s1->width; x++) {
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mx = (x+ox) / sx;
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if ( (mx&1) != (my&1) ) {
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r = (s1->Rpix[y])[x];
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g = (s1->Gpix[y])[x];
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b = (s1->Bpix[y])[x];
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}
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else {
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r = (s2->Rpix[y])[x];
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g = (s2->Gpix[y])[x];
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b = (s2->Bpix[y])[x];
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}
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(d->Rpix[y])[x] = r;
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(d->Gpix[y])[x] = g;
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(d->Bpix[y])[x] = b;
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}
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}
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return 0;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* houba, celle-ci va me donner du mal, et on peut la
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* considerer comme pas finie, c'est a dire, entre autre,
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* que le prototype risque de changer.
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*
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* Toutes les suggestions sont les bienvenues, surtout si
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* elles viennent de glandeur06 et son UltraSparc.
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*
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* Tiens, le parametre 'yo' ne sert a rien ?
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*/
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int Image_combine_cercle_flou(Image_Desc *s1, Image_Desc *s2, Image_Desc *d, int yo)
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{
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int foo;
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int xcenter, ycenter;
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int x, y, r1, v1, b1, r2, b2, v2;
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float fx2, fy2, dmax, coef;
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if ( (foo=Image_compare_desc(s1, s2)) ) {
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fprintf(stderr, "Combine Cercle Flou: differents sources (%d)\n", foo);
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return foo;
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}
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if ( (foo=Image_compare_desc(s1, d)) ) {
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fprintf(stderr, "Combine Cercle Flou: source != dest (%d)\n", foo);
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return foo;
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}
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xcenter = (s1->width) / 2;
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ycenter = (s1->height) / 2;
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dmax = (float)(xcenter*xcenter) + (float)(ycenter*ycenter);
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dmax /= 1.732;
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#if DEBUG_LEVEL
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fprintf(stderr, "\tcentre: %d, %d\n", xcenter, ycenter);
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fprintf(stderr, "\tdmax: %f\n", dmax);
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fflush(stderr); /* vraiment necessaire ? */
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#endif
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for (y=0; y<s1->height; y++) {
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fy2 = (float)((y-ycenter)*(y-ycenter));
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for (x=0; x<s1->width; x++) {
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fx2 = (float)((x-xcenter)*(x-xcenter));
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r1 = (s1->Rpix[y])[x];
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v1 = (s1->Gpix[y])[x];
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b1 = (s1->Bpix[y])[x];
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r2 = (s2->Rpix[y])[x];
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v2 = (s2->Gpix[y])[x];
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b2 = (s2->Bpix[y])[x];
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coef = (fx2+fy2)/dmax;
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if (1==yo) {
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coef = cos(coef);
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}
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if (coef < 0.0) coef = 0.0;
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if (coef > 1.0) coef = 1.0;
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(d->Rpix[y])[x] = (int)(r1*(1.0-coef)+r2*coef);
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(d->Gpix[y])[x] = (int)(v1*(1.0-coef)+v2*coef);
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(d->Bpix[y])[x] = (int)(b1*(1.0-coef)+b2*coef);
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}
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#if DEBUG_LEVEL
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fprintf(stderr, "x %4d y %4d c %f\n", x, y, coef);
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#endif
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}
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return OLL_KORRECT;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* le flag 'yo' decide quelle image sera en haut à droite.
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* les paramètres p1 & p2 ne sont pas utilisés.
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*/
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int Image_combine_diagonale(Image_Desc *s1, Image_Desc *s2, Image_Desc *d,
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int yo, int p1, int p2)
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{
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int foo;
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int x, y, r, g, b;
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int vertical, offset;
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if ( p1 || p2 ) {
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fprintf(stderr, "in %s bad p1 %d or bad p2 %d\n", __func__, p1, p2);
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}
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if ( (foo=Image_compare_desc(s1, s2)) ) {
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fprintf(stderr, "%s: differents sources (%d)\n", __func__, foo);
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return foo;
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}
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if (s1->height > s1->width) {
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vertical = 1;
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offset = (s1->height - s1->width) / 2;
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}
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else {
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vertical = 0;
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offset = (s1->width - s1->height) / 2;
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}
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for (y=0; y<s1->height; y++) {
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for (x=0; x<s1->width; x++) {
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if ( vertical ) {
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if (x > (y-offset)) foo=1;
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else foo=0;
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}
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else {
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if ((x-offset) > y) foo=1;
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else foo=0;
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}
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foo = yo ? !foo : foo; /* strange hack */
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if (foo) {
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r = (s1->Rpix[y])[x];
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g = (s1->Gpix[y])[x];
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b = (s1->Bpix[y])[x];
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}
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else {
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r = (s2->Rpix[y])[x];
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g = (s2->Gpix[y])[x];
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b = (s2->Bpix[y])[x];
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}
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(d->Rpix[y])[x] = r;
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(d->Gpix[y])[x] = g;
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(d->Bpix[y])[x] = b;
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}
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}
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/*
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* 30 sept 2008 : est-ce que cette fonction a subi un bon fuzzing ?
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*/
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return OLL_KORRECT;
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}
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/*::------------------------------------------------------------------::*/
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/* 15 Nov 2000
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we put in the destination image the min/max value
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of the RGB componants.
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*/
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int Image_combine_minmax(Image_Desc *s1, Image_Desc *s2, Image_Desc *d, int flg)
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{
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int foo, x, y, r, g, b;
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int r1, r2, g1, g2, b1, b2;
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if ( (foo=Image_compare_desc(s1, s2)) ) {
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fprintf(stderr, "Combine MinMax: differents sources (%d)\n", foo);
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return foo;
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}
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for (y=0; y<s1->height; y++) {
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for (x=0; x<s1->width; x++) {
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r1 = (s1->Rpix[y])[x];
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g1 = (s1->Gpix[y])[x];
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b1 = (s1->Bpix[y])[x];
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r2 = (s2->Rpix[y])[x];
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g2 = (s2->Gpix[y])[x];
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b2 = (s2->Bpix[y])[x];
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if (flg) {
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r = max(r1, r2);
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g = max(g1, g2);
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b = max(b1, b2);
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}
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else
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{
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r = min(r1, r2);
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g = min(g1, g2);
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b = min(b1, b2);
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}
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(d->Rpix[y])[x] = r;
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(d->Gpix[y])[x] = g;
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(d->Bpix[y])[x] = b;
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}
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}
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return OLL_KORRECT;
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}
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/*::------------------------------------------------------------------::*/
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/*
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* fonction faite pour le finisseur de DBvsEE
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*
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* 6 oct 2001: une version qui permettrait de spécifier les
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* seuils en r,g et b serait assez pratique aussi.
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*/
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int Image_combine_if_not_black(Image_Desc *s1, Image_Desc *s2, Image_Desc *d)
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{
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int foo, x, y, r, g, b;
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if ( (foo=Image_compare_desc(s1, s2)) ) {
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fprintf(stderr, "Combine If Not Black: differents sources (%d)\n", foo);
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return foo;
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}
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for (y=0; y<s1->height; y++) {
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for (x=0; x<s1->width; x++) {
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/* XXX Image_getRGB(s1, x, y, &r, &g, &b); */
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r = (s1->Rpix[y])[x];
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g = (s1->Gpix[y])[x];
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b = (s1->Bpix[y])[x];
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if ( r==0 && g==0 && b==0 ) {
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/* XXX Image_getRGB(s2, x, y, &r, &g, &b); */
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r = (s2->Rpix[y])[x];
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g = (s2->Gpix[y])[x];
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b = (s2->Bpix[y])[x];
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}
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/*Image_plotRGB(d, x, y, r, g, b);*/
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(d->Rpix[y])[x] = r;
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(d->Gpix[y])[x] = g;
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(d->Bpix[y])[x] = b;
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}
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}
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return FUNC_IS_BETA; /* XXX c'est pas du OLL_KORRECT ? */
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}
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/*::------------------------------------------------------------------::*/
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/*
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* gni ?
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*/
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int Image_poke_2zones(Image_Desc *src, Image_Desc *ia, Image_Desc *ib,
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Image_Rect *za, Image_Rect *zb,
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Image_Desc *dst)
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{
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int foo;
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/* Image_Rect rect; */
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if ( (foo=Image_compare_desc(src, dst)) ) {
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fprintf(stderr, "Poke 2 Zone: src & dst: %d %s\n",
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foo, Image_err2str(foo));
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return foo;
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}
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Image_copy(src, dst);
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fprintf(stderr, "Image Poke 2 Zones: ben, ya rien...\n");
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return FUNC_NOT_FINISH;
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}
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/*::------------------------------------------------------------------::*/
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