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| author | Lars Ingebrigtsen <larsi@gnus.org> | 2022-04-12 16:22:27 +0200 |
|---|---|---|
| committer | Lars Ingebrigtsen <larsi@gnus.org> | 2022-04-12 16:22:38 +0200 |
| commit | a987e66e6ba014795ba4540c5fedeb9894bdd94e (patch) | |
| tree | 7ba3e873a2859b341fc43d307e117637c80705af /src/image.c | |
| parent | 66189689ca2f22de47e1a83af1deb9b0bff29ab7 (diff) | |
| download | emacs-a987e66e6ba014795ba4540c5fedeb9894bdd94e.tar.gz emacs-a987e66e6ba014795ba4540c5fedeb9894bdd94e.tar.bz2 emacs-a987e66e6ba014795ba4540c5fedeb9894bdd94e.zip | |
Improve DISPOSE_PREVIOUS in gif_load slightly
* src/image.c (gif_load): Tweak how DISPOSE_PREVIOUS is handled.
It's still not right, but it's less glaringly wrong.
Diffstat (limited to 'src/image.c')
| -rw-r--r-- | src/image.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/image.c b/src/image.c index 530819eab9d..45de7ae83d3 100644 --- a/src/image.c +++ b/src/image.c @@ -9115,6 +9115,14 @@ gif_load (struct frame *f, struct image *img) if (disposal == DISPOSAL_UNSPECIFIED) disposal = DISPOSE_DO_NOT; + /* This is not quite correct -- the specification is unclear, + but I think we're supposed to restore to the frame before the + previous frame? And we don't have that data at this point. + But DISPOSE_DO_NOT is less wrong than substituting the + background, so do that for now. */ + if (disposal == DISPOSE_PREVIOUS) + disposal = DISPOSE_DO_NOT; + gif_color_map = subimage->ImageDesc.ColorMap; if (!gif_color_map) gif_color_map = gif->SColorMap; |