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| author | donal.k.fellows@manchester.ac.uk <dkf> | 2006-03-16 00:42:48 (GMT) |
|---|---|---|
| committer | donal.k.fellows@manchester.ac.uk <dkf> | 2006-03-16 00:42:48 (GMT) |
| commit | 1df95e2af6d794c137f18bb8c95f61d19247e3a9 (patch) | |
| tree | 94ad14473412d769ea63a4c634559802ffb0af7b /ChangeLog | |
| parent | f0885502b4370d0df7134177ce4a22c2b7e2652f (diff) | |
| download | tk-1df95e2af6d794c137f18bb8c95f61d19247e3a9.zip tk-1df95e2af6d794c137f18bb8c95f61d19247e3a9.tar.gz tk-1df95e2af6d794c137f18bb8c95f61d19247e3a9.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 |