tTh/FloatImg
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big refactoring step 1, expect more bugs

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tth
2021-03-09 11:55:48 +01:00
parent 7ada60d113
commit b9d963dfa2
14 changed files with 179 additions and 100 deletions
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lib/contrast.c
+22 -8
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@@ -51,11 +51,15 @@ else {
}
nbre = s->width * s->height * 3;
nbre = s->width * s->height;
for (idx=0; idx<nbre; idx++) {
dval = s->R[idx] / maxval;
d->R[idx] = maxval * sqrt(dval);
dval = s->G[idx] / maxval;
d->G[idx] = maxval * sqrt(dval);
dval = s->B[idx] / maxval;
d->B[idx] = maxval * sqrt(dval);
}
return -1;
@@ -67,7 +71,7 @@ int nbre, idx;
double dval;
if (s->type != FIMG_TYPE_RGB) {
fprintf(stderr, "%s : src type %d invalide\n",
fprintf(stderr, "%s: src type %d invalide\n",
__func__, s->type);
return -4;
}
@@ -77,18 +81,22 @@ if (NULL==d) {
}
else {
if (d->type != FIMG_TYPE_RGB) {
fprintf(stderr, "%s : dst type %d invalide\n",
fprintf(stderr, "%s: dst type %d invalide\n",
__func__, d->type);
return -4;
}
}
nbre = s->width * s->height * 3;
nbre = s->width * s->height;
for (idx=0; idx<nbre; idx++) {
dval = s->R[idx] / maxval;
d->R[idx] = maxval * dval * dval;
dval = s->G[idx] / maxval;
d->G[idx] = maxval * dval * dval;
dval = s->B[idx] / maxval;
d->B[idx] = maxval * dval * dval;
}
return 0;
@@ -122,12 +130,15 @@ else {
}
}
nbre = s->width * s->height * 3;
nbre = s->width * s->height;
for (idx=0; idx<nbre; idx++) {
dval = s->R[idx] / maxval;
d->R[idx] = maxval * (0.5 - 0.5 * cos(3.141592654*dval));
dval = s->G[idx] / maxval;
d->G[idx] = maxval * (0.5 - 0.5 * cos(3.141592654*dval));
dval = s->B[idx] / maxval;
d->B[idx] = maxval * (0.5 - 0.5 * cos(3.141592654*dval));
}
return 0;
@@ -155,12 +166,15 @@ else {
}
}
nbre = s->width * s->height * 3;
nbre = s->width * s->height;
for (idx=0; idx<nbre; idx++) {
dval = s->R[idx] / maxval;
d->R[idx] = maxval * (0.5 - 0.5 * cos(2*3.141592654*dval));
dval = s->G[idx] / maxval;
d->G[idx] = maxval * (0.5 - 0.5 * cos(2*3.141592654*dval));
dval = s->B[idx] / maxval;
d->B[idx] = maxval * (0.5 - 0.5 * cos(2*3.141592654*dval));
}
return 0;