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Be a bit more verbose and strict.

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svn path=/trunk/netsurf/; revision=13547
This commit is contained in:
Ole Loots 2012-03-21 21:20:19 +00:00
parent 36dd0cc346
commit 0797bf5a57
1 changed files with 12 additions and 4 deletions
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16
atari/bitmap.c
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@ -59,13 +59,14 @@ void * bitmap_create_ex( int w, int h, short bpp, int rowstride, unsigned int st
{
struct bitmap * bitmap;
LOG(("width %d, height %d, state %u",w, h, state ));
LOG(("width %d (rowstride: %d, bpp: %d), height %d, state %u",w, rowstride,
bpp, h, state ));
if( rowstride == 0) {
rowstride = bpp * w;
}
assert( rowstride >= w * bpp );
assert( rowstride >= (w * bpp) );
bitmap = calloc(1 , sizeof(struct bitmap) );
if (bitmap) {
if( pixdata == NULL) {
@ -108,7 +109,7 @@ void * bitmap_realloc( int w, int h, short bpp, int rowstride, unsigned int stat
bitmap->opaque = false;
} else {
int oldsize = bitmap->rowstride * bitmap->height;
bool doalloc = ( state == BITMAP_GROW) ? (newsize > oldsize) : (newsize != oldsize);
bool doalloc = (state & BITMAP_GROW) ? (newsize > oldsize) : (newsize != oldsize);
if( newsize > oldsize )
assert( doalloc == true );
if( doalloc ) {
@ -145,6 +146,7 @@ void bitmap_to_mfdb(void * bitmap, MFDB * out)
if( oldstride != dststride * bm->bpp )
{
assert( oldstride <= dststride );
/* we need to convert the img to new rowstride */
tmp = bm->pixdata;
bm->pixdata = calloc(1, dststride * bm->bpp * bm->height );
@ -180,7 +182,7 @@ void bitmap_to_mfdb(void * bitmap, MFDB * out)
* of rows. The width of a row in bytes is given by bitmap_get_rowstride().
*/
unsigned char *bitmap_get_buffer(void *bitmap)
unsigned char * bitmap_get_buffer(void *bitmap)
{
struct bitmap *bm = bitmap;
@ -373,6 +375,12 @@ int bitmap_get_height(void *bitmap)
return(bm->height);
}
/**
*
* Gets the number of BYTES per pixel.
*
*/
size_t bitmap_get_bpp(void *bitmap)
{
struct bitmap *bm = bitmap;