tTh/FloatImg
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commit du soir, espoir

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tonton Th
2020-04-11 23:18:33 +02:00
parent 22e16d2ba6
commit 83af701479
8 changed files with 190 additions and 25 deletions
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2
lib/fimg-core.c
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@@ -111,7 +111,7 @@ if (NULL==fptr) {
}
#if DEBUG_LEVEL > 1
fprintf(stderr, " got %d bytes at %p\n", size, fptr);
fprintf(stderr, " %s: got %d bytes at %p\n", __func__, size, fptr);
#endif
fimg->width = w; fimg->height = h;

21
lib/fimg-math.c
View File

@@ -19,7 +19,7 @@ extern int verbosity; /* must be declared around main() */
float fimg_get_maxvalue(FloatImg *head)
{
float maxval;
int foo;
int foo, surface;
if (head->type != FIMG_TYPE_RGB && head->type != FIMG_TYPE_GRAY) {
fprintf(stderr, "%s : type %d invalide\n",
@@ -29,15 +29,17 @@ if (head->type != FIMG_TYPE_RGB && head->type != FIMG_TYPE_GRAY) {
maxval = 0.0; /* no negative values allowed */
surface = head->width*head->height;
switch (head->type) {
case FIMG_TYPE_RGB:
for (foo=0; foo<(head->width*head->height); foo++) {
for (foo=0; foo<surface; foo++) {
if (head->R[foo] > maxval) maxval = head->R[foo];
if (head->G[foo] > maxval) maxval = head->G[foo];
if (head->B[foo] > maxval) maxval = head->B[foo];
}
case FIMG_TYPE_GRAY:
for (foo=0; foo<(head->width*head->height); foo++) {
for (foo=0; foo<surface; foo++) {
if (head->R[foo] > maxval) maxval = head->R[foo];
}
}
@@ -209,6 +211,19 @@ for (idx=0; idx<nbre; idx++) {
}
}
/* WTF 12 avril 2020, valgrind me cause mal ?
==28943== Conditional jump or move depends on uninitialised value(s)
==28943== at 0x4045E9: fimg_clamp_negativ (fimg-math.c:208)
==28943== by 0x4018C9: essai_filtrage_3x3 (t.c:128)
==28943== by 0x4024D5: main (t.c:444)
==28943== Uninitialised value was created by a heap allocation
==28943== at 0x483577F: malloc (vg_replace_malloc.c:299)
==28943== by 0x40284D: fimg_create (fimg-core.c:107)
==28943== by 0x402AB3: fimg_clone (fimg-core.c:174)
==28943== by 0x401861: essai_filtrage_3x3 (t.c:118)
==28943== by 0x4024D5: main (t.c:444)
*/
return count;
}
/* ---------------------------------------------------------------- */