forked from tTh/FloatImg
+ auto shift to zero
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2116d62c63
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8bbe639ad5
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@ -3,7 +3,7 @@
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* ugly code from tTh
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*/
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#define FIMG_VERSION 119
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#define FIMG_VERSION 120
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/*
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* in memory descriptor
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@ -128,7 +128,10 @@ int fimg_power_2(FloatImg *s, FloatImg *d, double maxval);
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int fimg_cos_01(FloatImg *s, FloatImg *d, double maxval);
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int fimg_cos_010(FloatImg *s, FloatImg *d, double maxval);
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int fimg_mix_rgb_gray(FloatImg *img, float mix);
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/* funcs/saturation.c */
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int fimg_shift_to_zero(FloatImg *s, FloatImg *d, float coefs[6]);
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int fimg_auto_shift_to_zero(FloatImg *s, FloatImg *d);
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/* --> funcs/plasmas.c */
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int fimg_prototype_plasma(FloatImg *img, double time, int type);
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@ -70,5 +70,30 @@ for (idx=0; idx<sz; idx++) {
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return 0;
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}
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/* -------------------------------------------------------------- */
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int fimg_auto_shift_to_zero(FloatImg *src, FloatImg *dst)
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{
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float coefs[6];
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int foo;
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if (FIMG_TYPE_RGB != src->type) {
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fprintf(stderr, "%s: bad image type %d\n", __func__, src->type);
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return -6;
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}
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foo = fimg_get_minmax_rgb(src, coefs);
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if (foo) {
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fprintf(stderr, "%s: err %d get minmax\n", __func__, foo);
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return foo;
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}
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foo = fimg_shift_to_zero(src, dst, coefs);
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if (foo) {
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fprintf(stderr, "%s WTF?\n", __func__);
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return foo;
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}
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return 0;
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}
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/* -------------------------------------------------------------- */
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