Il 12/03/2014 07:31, Fam Zheng ha scritto:
+HBitmap *hbitmap_copy(const HBitmap *bitmap)
+{
+ int i;
+ HBitmap *hb = g_memdup(bitmap, sizeof(struct HBitmap));
+
+ for (i = HBITMAP_LEVELS; i-- > 0; ) {
+ hb->levels[i] = g_memdup(bitmap->levels[i],
+ bitmap->size * sizeof(unsigned long));
+ }
+
+ return hb;
Not quite... the bitmap->size is in bits, so you need to scale it down by
size = MAX((size + BITS_PER_LONG - 1) >> BITS_PER_LEVEL, 1);
before each memdup.
Paolo
