forked from tTh/FloatImg
need more work
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@ -10,6 +10,7 @@
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extern int verbosity;
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/* -------------------------------------------------------------- */
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/* usage --> sfx.c:trinitron */
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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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@ -43,9 +44,12 @@ return 0;
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}
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/* -------------------------------------------------------------- */
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/*
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* premier essai...
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* premier essai : moyenne de toutes les composantes
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* de tous les pixels.
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*
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* Question: pourquoi pas le retour en double precision ?
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*/
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int get_float_metric_a(FloatImg *pimg, float *where)
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int get_float_metric_avg(FloatImg *pimg, float *where)
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{
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float means[4]; /* four values : R G B A */
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int foo;
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@ -63,7 +67,8 @@ if (foo) {
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return 0;
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}
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/* -------------------------------------------------------------- */
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int get_float_metric_b(FloatImg *pimg, float *where)
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/* echantillonage des pixels rouges */
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int get_float_metric_iRed(FloatImg *pimg, float *where)
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{
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int idx, size, nbre;
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double adder;
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@ -79,6 +84,28 @@ for (idx=20; idx < size; idx+=42) {
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return 0;
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}
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/* -------------------------------------------------------------- */
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int get_float_metric_LR(FloatImg *pimg, float *where)
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{
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int coords[4], foo;
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float valL[3], valR[3];
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coords[0] = 0; // X
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coords[1] = 0; // Y
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coords[2] = pimg->width / 2; // W
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coords[3] = pimg->height; // H
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foo = stat_zone(pimg, coords, valL);
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coords[1] = pimg->width / 2;
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foo = stat_zone(pimg, coords, valR);
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*where = valL[1] - valR[1];
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return 0;
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}
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/* -------------------------------------------------------------- */
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/*
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* et voici le grand dispactheur
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*/
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int get_float_metric_from_file(char *fname, float *where, int mode)
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{
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FloatImg image;
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@ -97,10 +124,13 @@ if (foo) {
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fval = -1.0; /* sensible default value */
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switch (mode) {
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case 0: case 1:
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foo = get_float_metric_a(&image, &fval);
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foo = get_float_metric_avg(&image, &fval);
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break;
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case 2:
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foo = get_float_metric_b(&image, &fval);
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foo = get_float_metric_iRed(&image, &fval);
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break;
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case 3:
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foo = get_float_metric_LR(&image, &fval);
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break;
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default:
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fprintf(stderr, "%s: method %d invalid\n",
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