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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -1,5 +1,29 @@ 2017-09-05 Werner Lemberg <wl@gnu.org> + Fix multiple calls of `FT_Bitmap_Convert'. + + The documentation of `FT_Bitmap_Convert' says that multiple calls do + proper reallocation of the target FT_Bitmap object. However, this + failed for the sequence + + non-empty bitmap + empty bitmap + non-empty bitmap + + Reason was that `FT_Bitmap_Convert' only reallocated the bitmap + buffer if it became too small; it didn't make the buffer smaller. + For an empty bitmap following a non-empty one, only the buffer + dimension got set to zero, without deallocation. If the next call + was a non-empty buffer again, an assertion in `ft_mem_qrealloc' was + triggered. + + * src/base/ftbitmap.c (FT_Bitmap_Convert): Always reallocate target + buffer to the correct size. + + * docs/CHANGES: Document it. + +2017-09-05 Werner Lemberg <wl@gnu.org> + [bdf] Fix size and resolution handling. * src/bdf/bdfdrivr.c (BDF_Face_Init): Use `SIZE' values if |