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| author | Christian A. Weber <chris@gna.ch> | 1992-10-12 20:40:00 +0000 |
|---|---|---|
| committer | Christian A. Weber <chris@gna.ch> | 1992-10-12 20:40:00 +0000 |
| commit | 4f318af8445dc55f6873832ff6f19c80e1aff0ec (patch) | |
| tree | 209141500cc2b743d86d4e061e3f06f148737be8 | |
| parent | 75926bd841c3f96ecd7f43048fea81b2bd4d0a74 (diff) | |
| download | iff-library-4f318af8445dc55f6873832ff6f19c80e1aff0ec.tar.gz iff-library-4f318af8445dc55f6873832ff6f19c80e1aff0ec.tar.bz2 iff-library-4f318af8445dc55f6873832ff6f19c80e1aff0ec.zip | |
Autodocs geändert wegen Überschreiben von zu kleinen BitMaps
| -rw-r--r-- | Source/DecodePic.S | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/Source/DecodePic.S b/Source/DecodePic.S index baae610..e238047 100644 --- a/Source/DecodePic.S +++ b/Source/DecodePic.S @@ -1,11 +1,11 @@ ** -** $Id: DecodePic.S,v 21.1 92/05/15 03:21:35 chris Exp $ -** $Revision: 21.1 $ +** $Id: DecodePic.S,v 21.2 92/05/18 02:16:02 chris Exp $ +** $Revision: 21.2 $ ** ** $Filename: DecodePic.S $ ** $Author: chris $ ** $Release: 19.1 $ -** $Date: 92/05/15 03:21:35 $ +** $Date: 92/05/18 02:16:02 $ ** ** iff.library/IFFL_DecodePic ** @@ -40,9 +40,9 @@ * * FUNCTION * Decodes and decompresses a picture into the user supplied BitMap. -* If the picture is larger than your BitMap's planes, it will be -* truncated. If your BitMap is larger than the picture, the picture -* will be drawn into the top left corner of your BitMap. +* If the picture is higher than your BitMap, it will be truncated. +* If your BitMap is larger than the picture, the picture will be +* drawn into the top left corner of your BitMap. * If the picture has less planes than the BitMap, the unused planes * are NOT touched by this routine, so you may wish to clear them * before calling IFFL_DecodePic(). If the picture has more planes @@ -60,6 +60,13 @@ * Non-zero if successful, zero if error. Call IFFL_IFFError() to * know the reason of the failure * +* BUGS +* If the picture is wider than your BitMap, one line of innocent +* memory will be overwritten at the end of each bitplane. You can +* avoid this by allocating a few bytes more for each plane. +* Normally, you allocate your BitMap after inspecting the BMHD +* chunk, so this should not be a problem. +* * NOTE * This routine needs at least 650 bytes of stack space * |