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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2006-03-16 00:31:12 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2006-03-16 00:31:12 (GMT) |
| commit | 035d55b64a22b761ad0d0cfb21b90c84497044ec (patch) | |
| tree | 70bd3edfd02fab7739f7c69b3d81f8636fa3924c /ChangeLog | |
| parent | f7505e1446686d15cfed313b1d20f9cd0408b5a2 (diff) | |
| download | tk-035d55b64a22b761ad0d0cfb21b90c84497044ec.zip tk-035d55b64a22b761ad0d0cfb21b90c84497044ec.tar.gz tk-035d55b64a22b761ad0d0cfb21b90c84497044ec.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 <dkf@users.sf.net> + + * 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 <dkf@users.sf.net> * generic/tkImgPhoto.c (Tk_PhotoPutBlock, Tk_PhotoPutZoomedBlock): Try |