forked from tTh/FloatImg
more experiments
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87c681ac70
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@ -203,6 +203,9 @@ switch (idFx) {
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retval = octotree_classif(image, 0.500, 0);
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break;
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case CR_trinitron:
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retval = trinitron(image, 0);
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break;
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/* here are the glitches */
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case CR_bsombra: /* experiment ! */
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@ -228,6 +231,10 @@ switch (idFx) {
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retval = 0;
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break;
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case CR_nothing:
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retval = do_something(image, 3);
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break;
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default :
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fprintf(stderr, "%s : effect #%d invalid\n",
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__func__, idFx);
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@ -19,9 +19,11 @@
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18 updown 1 1.0
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19 hipass 1 1.0
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20 octotree 1 1.0
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21 trinitron 3, 0.0
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24 bsombra 1 1.0
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25 vsglitch 1 1.0
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26 rndblks 1 1.0
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27 shiftln0 1 1.0
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42 nothing 42 3.14159
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99 message 1 1.0
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-1 end 1 1.0
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@ -125,8 +125,9 @@ for (idx=0; idx<f_stacks[numid].count; idx++) {
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if (foo) {
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fprintf(stderr,
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"crapulator give me error %d on effect %d\n",
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foo, eff);
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"crapulator give me error %d on effect %d (%s)\n",
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foo, eff,
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crap_name_from_number(eff));
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return foo;
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}
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}
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@ -16,6 +16,28 @@
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extern int verbosity;
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/* -------------------------------------------------------------- */
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/* nouveau du 32 decembre 2020, endless september */
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int do_something(FloatImg *pimg, int notused)
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{
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int ypos, idx, pos, sline;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pimg, notused);
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#endif
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ypos = rand() % pimg->width;
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for (idx=0; idx < pimg->height; idx++) {
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sline = idx * pimg->width;
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pos = sline + ypos;
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// fprintf(stderr, "%6d %6d\n", idx, sline);
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pimg->R[pos] = pimg->G[pos];
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pimg->B[pos] = pimg->G[pos];
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}
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return 0;
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}
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/* -------------------------------------------------------------- */
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int kill_a_random_line(FloatImg *pvictime, float fval, int bits)
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{
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@ -2,6 +2,8 @@
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* glitches.h
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*/
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int do_something(FloatImg *pimg, int notused);
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int kill_a_random_line(FloatImg *pvictime, float level, int bits);
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int kill_a_few_lines(FloatImg *who, float fval, int number);
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int random_blocks(FloatImg *picture, int percent);
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@ -9,6 +9,38 @@
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extern int verbosity;
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/* -------------------------------------------------------------- */
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int stat_zone(FloatImg *pimg, int geom[4], float v3[3])
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{
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int x, y, xe, ye;
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int off;
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double accus[3], divisor;
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xe = geom[0] + geom[2];
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ye = geom[1] + geom[3];
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#if DEBUG_LEVEL
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fprintf(stdout, "geom: %5d %5d %5d %5d\n",
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geom[0], geom[1], geom[2], geom[3]);
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#endif
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accus[0] = accus[1] = accus[2] = 0.0;
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for (y=geom[1]; y<ye; y++) {
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for (x=geom[0]; x<xe; x++) {
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off = (y*pimg->width) + x;
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accus[0] += (double) pimg->R[off];
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accus[1] += (double) pimg->G[off];
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accus[2] += (double) pimg->B[off];
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}
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}
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divisor = (double)(geom[2] * geom[3]); /* array of zone */
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v3[0] = (float)(accus[0] / divisor);
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v3[1] = (float)(accus[1] / divisor);
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v3[2] = (float)(accus[2] / divisor);
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return 0;
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}
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/* -------------------------------------------------------------- */
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/*
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* premier essai...
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@ -4,6 +4,9 @@
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/* -------------------------------------------------------------- */
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int stat_zone(FloatImg *pimg, int geom[4], float v3[3]);
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/* first experiments */
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int get_float_metric_a(FloatImg *pimg, float *where);
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@ -12,6 +12,7 @@
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#include "../floatimg.h"
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#include "fonctions.h"
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#include "metriques.h"
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#include "sfx.h"
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/* -------------------------------------------------------------- */
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@ -20,12 +21,50 @@
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extern int verbosity;
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/* -------------------------------------------------------------- */
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/* nouveau du 27 decembre 2020, un soir de grand froid... */
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/* nouveau du premier dimanche de 2020 'nextgen' */
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static int pixel_trinitron(FloatImg *pimg, int pos[4], float *fvals)
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{
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int x, y, off;
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for (y=pos[1]; y<pos[1]+pos[3]; y++) {
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for (x=pos[0]; x<pos[0]+pos[2]; x++) {
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off = (y*pimg->width) + x;
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pimg->R[off] = fvals[0];
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}
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}
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return 0;
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}
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int trinitron(FloatImg *pimg, int notused)
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{
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int x, y, coo[4], foo;
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float vals[3];
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pimg, notused);
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#endif
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#define STP 16 /* stepd for x & y axex */
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coo[2] = coo[3] = STP;
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for (y=0; y<pimg->height; y+=STP) {
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coo[1] = y;
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for (x=0; x<pimg->width; x+=STP) {
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coo[0] = x;
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foo = stat_zone(pimg, coo, vals);
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if (foo) abort();
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/* next step : plot the datas */
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pixel_trinitron(pimg, coo, vals);
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}
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}
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#undef STP
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return 0;
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}
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/* -------------------------------------------------------------- */
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/* nouveau du 27 decembre 2020, un soir de grand froid... */
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int octotree_classif(FloatImg *pimg, float kdist, int notused)
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{
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int foo;
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float mm[6], means[4], delta[3];
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float mm[6], delta[3];
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float r, g, b, kr, kg, kb, dp, trig;
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int idx, sz, n8, count;
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typedef struct {
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pimg, kdist, notused);
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#endif
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#if 0
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foo = fimg_meanvalues(pimg, means);
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if (foo) {
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fprintf(stderr, "oups %d in meanvalues\n", foo);
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return foo;
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}
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fprintf(stderr, "means: %11f %11f %11f\n",
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means[0], means[1], means[2]);
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#endif
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foo = fimg_get_minmax_rgb(pimg, mm);
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if (foo) {
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fprintf(stderr, "oups %d in get minmax\n", foo);
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@ -3,6 +3,8 @@
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* ---------------------------------------------------
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*/
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int trinitron(FloatImg *pimg, int notused);
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int bouger_les_pixels(FloatImg *pimg, int kaboo);
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int octotree_classif(FloatImg *pimg, float fk, int notused);
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