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author | dkf <donal.k.fellows@manchester.ac.uk> | 2006-03-16 00:42:48 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2006-03-16 00:42:48 (GMT) |
commit | 8825c2cf9be789f556b5b0f199c4997433ff0933 (patch) | |
tree | 94ad14473412d769ea63a4c634559802ffb0af7b /ChangeLog | |
parent | 5ab119e133d5f5058561ee121980245c15c69b7c (diff) | |
download | tk-8825c2cf9be789f556b5b0f199c4997433ff0933.zip tk-8825c2cf9be789f556b5b0f199c4997433ff0933.tar.gz tk-8825c2cf9be789f556b5b0f199c4997433ff0933.tar.bz2 |
Hack to make photo-to-photo copies cheaper in the common case of no alpha
Diffstat (limited to 'ChangeLog')
-rw-r--r-- | ChangeLog | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -1,3 +1,11 @@ +2006-03-16 Donal K. Fellows <donal.k.fellows@man.ac.uk> + + * generic/tkImgPhoto.c (ImgPhotoCmd, Tk_PhotoPutBlock) + (Tk_PhotoPutZoomedBlock): Added hack to detect copying of a photo with + a simple alpha channel and skip calling ToggleComplexAlphaIfNeeded. + This should speed up many photo-to-photo copies, keeping the cost of + the alpha channel down. + 2006-03-15 Donal K. Fellows <donal.k.fellows@man.ac.uk> * generic/tkImgPhoto.c (Tk_PhotoPutBlock, Tk_PhotoPutZoomedBlock): Try |