forked from tTh/FloatImg
faire des bords sombres
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@ -1,5 +1,6 @@
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#
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# compilation de la fonderie
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# compilation de la fonderie, du crapulator
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# et de tout le crap...
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#
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COPT = -g -no-pie -Wall -DDEBUG_LEVEL=0 -Werror=parentheses
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@ -53,6 +53,9 @@ return 0;
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* This is the main filter engine
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* used both for input and output
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*/
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#define DEBUG_THIS_CRAP 1
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int crapulator(FloatImg *image, int idFx, float fval)
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{
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int retval;
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@ -67,11 +70,13 @@ fprintf(stderr, ">>> %s ( %p %d %f )\n", __func__,
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retval = 0;
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#if DEBUG_THIS_CRAP
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if (666==count) {
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flag_debug = 1;
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fprintf(stderr, "DEBUG PT 1 in %s:%d\n", __func__, __LINE__);
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fimg_save_as_png(image, "crap_before.png", 0);
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}
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#endif
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switch (idFx) {
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case 0: /* DO NOTHING */
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@ -117,6 +122,9 @@ switch (idFx) {
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case 11:
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retval = trinarize(image, 0);
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break;
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case 24: /* experiment ! */
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retval = des_bords_sombres_a(image, 260);
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break;
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case 25:
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/* please make this function more tweakable */
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retval = vertical_singlitch(image, 290+rand()%35,
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@ -128,12 +136,15 @@ switch (idFx) {
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return -77;
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}
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#if DEBUG_THIS_CRAP
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if (flag_debug) {
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fprintf(stderr, "DEBUG PT 2 in %s:%d\n", __func__, __LINE__);
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fimg_save_as_png(image, "crap_after.png", 0);
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flag_debug = 0;
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}
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#endif
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count++; flag_debug = 0;
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count++;
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return retval;
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}
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@ -40,6 +40,7 @@ int create_fifo(int nbslot, int w, int h, int t);
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* funcs in 'sfx.c'
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*/
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int des_bords_sombres_a(FloatImg *pimg, int offset);
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int trinarize(FloatImg *pimg, int notused);
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int binarize(FloatImg *pimg, int notused);
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@ -89,6 +89,11 @@ else fprintf(stderr, "\tno out fx\n");
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memset(&globbuf, 0, sizeof(glob_t));
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foo = glob(pattern, 0, NULL, &globbuf);
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if (foo) {
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fprintf(stderr, "glob failure %d\n", foo);
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exit(1);
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}
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fprintf(stderr, "glob '%s' -> %d, %ld files found\n", pattern, foo,
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globbuf.gl_pathc);
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@ -136,7 +141,7 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
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fprintf(stderr, "traitement %s -> %d WTF?\n", cptr, foo);
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break;
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}
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fprintf(stderr, "\t%5d\r", idx);
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fprintf(stderr, "\t%5d / %5ld\r", idx, globbuf.gl_pathc);
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}
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fputs("\n", stderr);
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@ -164,7 +164,7 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
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/* OK try it ... */
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foo = crapulator(&B, infx, value/2.0);
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if (foo) {
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fprintf(stderr, "in fx crapulator failure %d\n", foo);
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fprintf(stderr, "%s: input fx fail %d\n", __func__, foo);
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exit(1);
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}
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@ -175,8 +175,8 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
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/* here we can insert the OUTPUT filter */
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foo = crapulator(&Out, outfx, value);
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if (foo) {
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fprintf(stderr, "\nout fx %d crapulator failure %d\n",
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outfx, foo);
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fprintf(stderr, "\n%s: out fx %d failure %d\n",
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__func__, outfx, foo);
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exit(1);
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}
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@ -17,6 +17,38 @@
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*/
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extern int verbosity;
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/* -------------------------------------------------------------- */
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/* nouveau du 20 novembre 2020, pour encoder une vidz du vernissage
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* du festival Sauvageonnes de Mixart-Myrys */
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int des_bords_sombres_a(FloatImg *pimg, int offset)
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{
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float coef;
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int xpos, lidx, y;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pimg, offset);
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#endif
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if (offset<0 || offset>pimg->width) {
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fprintf(stderr, "%s offset %d is bad\n", __func__, offset);
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return -66;
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}
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for (y=0; y<pimg->height; y++) {
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lidx = y * pimg->width;
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for (xpos=0; xpos<offset; xpos++) {
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coef = (float)xpos / (float)offset;
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pimg->R[xpos+lidx] *= coef;
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pimg->G[xpos+lidx] *= coef;
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pimg->B[xpos+lidx] *= coef;
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pimg->R[(pimg->width-xpos)+lidx] *= coef;
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pimg->G[(pimg->width-xpos)+lidx] *= coef;
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pimg->B[(pimg->width-xpos)+lidx] *= coef;
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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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int trinarize(FloatImg *pimg, int notused)
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{
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