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author | Eli Zaretskii <eliz@gnu.org> | 2020-04-16 12:52:35 +0300 |
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committer | Eli Zaretskii <eliz@gnu.org> | 2020-04-16 12:52:35 +0300 |
commit | 82c1d150938b38435c0ae9aa921d7c2739ed200c (patch) | |
tree | 98c1595336293b81ef96f49f4d4690040309d27e /src/w32image.c | |
parent | 490f279c7e05e81bcc07e03c315aead27524f0a7 (diff) | |
download | emacs-82c1d150938b38435c0ae9aa921d7c2739ed200c.tar.gz |
; * src/w32image.c (w32_select_active_frame): Comment about GUID values.
Diffstat (limited to 'src/w32image.c')
-rw-r--r-- | src/w32image.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/w32image.c b/src/w32image.c index 80c3247e97d..0a2a55d3f6f 100644 --- a/src/w32image.c +++ b/src/w32image.c @@ -283,6 +283,11 @@ w32_select_active_frame (GpBitmap *pBitmap, int frame, int *nframes, *delay = 0.0; if (count) { + /* The following call will fill pDimensionIDs[0] with the + FrameDimensionTime GUID for GIF images, and + FrameDimensionPage GUID for other image types. Multi-page + GIF and TIFF images expect these values in the + GdipImageSelectActiveFrame call below. */ status = GdipImageGetFrameDimensionsList (pBitmap, pDimensionIDs, 1); status = GdipImageGetFrameCount (pBitmap, &pDimensionIDs[0], &frameCount); if (status == Ok && frameCount > 1) |