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FloatImg
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thermocolr updated

This commit is contained in:
tTh 2024-03-27 08:50:17 +01:00
parent 4ecce5bdc0
commit 953462eb6e
3 changed files with 12 additions and 7 deletions
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6
floatimg.h
View File

@ -20,7 +20,7 @@
* https://git.tetalab.org/tTh/FloatImg
*/
#define FIMG_VERSION (231)
#define FIMG_VERSION (234)
#define RELEASE_NAME ("noname")
#define PATCH_LEVEL ("aaaa")
@ -32,8 +32,7 @@
/*
* new 11 mars 2022, and a lot of iterations
* around the concept of metadata for my work.
*/
/*
*
* we MUST look at packing and endianess problems NOW
* and we can think about a fixed size of this datablock
*/
@ -232,6 +231,7 @@ int fimg_falsecolors_0(FloatImg *src, FloatImg *dst, int k, float valf);
/* funcs/fmorpho.c */
int fimg_filtre_morpho_0(FloatImg *sfimg, FloatImg *dfimg, int index);
int fimg_auto_thermique(FloatImg *src, FloatImg *dst, int k);
/* --> funcs/plasmas.c */
int fimg_prototype_plasma(FloatImg *img, double time, int type);

2
funcs/tests.c
View File

@ -1192,7 +1192,7 @@ memset(&dst, 0, sizeof(FloatImg));
foo = fimg_clone(&src, &dst, 0);
if (foo) return -888;
fimg_auto_thermique(&src, &dst, 0);
foo = fimg_auto_thermique(&src, &dst, 0);
foo = fimg_export_picture(&dst, outfile, 0);
if (foo) {

11
funcs/thermocolor.c
View File

@ -15,7 +15,9 @@
extern int verbosity;
/* --------------------------------------------------------------------- */
/*
* parameter k in not used, but may be in the futur.
*/
int fimg_auto_thermique(FloatImg *src, FloatImg *dst, int k)
{
// int x, y, off;
@ -29,11 +31,11 @@ fprintf(stderr, ">>> %s ( %p %p %d )\n", __func__, src, dst, k);
#endif
if (0!=k) {
fprintf(stderr, "%s: k mus be 0, was %d\n", __func__, k);
fprintf(stderr, "%s: k must be 0, was %d\n", __func__, k);
}
surface = src->width * src->height;
fprintf(stderr, "surface = %d\n", surface);
// fprintf(stderr, "surface = %d\n", surface);
graymean = 0.0;
for (idx=0; idx<surface; idx++) {
@ -43,6 +45,9 @@ for (idx=0; idx<surface; idx++) {
seuil = (float) (graymean / surface);
// fprintf(stderr, "graymean = %f seuil = %f\n", graymean, seuil);
/*
* please, explain this number brotching
*/
for (idx=0; idx<surface; idx++) {
gray = src->R[idx] + src->G[idx] + src->B[idx];
if (gray > seuil) {