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slideshow: more efficient bitmap

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Use bitmap with alpha, instead of with mask.
This commit is contained in:
Matthew Flatt 2013-09-27 06:33:10 -04:00
parent 9a82111cbe
commit 3298e8d421
1 changed files with 2 additions and 2 deletions
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4
pkgs/pict-pkgs/pict-lib/texpict/utils.rkt
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@ -1009,7 +1009,7 @@
(let ([bm (cond
[(bitmap-draft-mode) #f]
[(filename . is-a? . bitmap%) filename]
[(path-string? filename) (make-object bitmap% filename 'unknown/mask)]
[(path-string? filename) (make-object bitmap% filename 'unknown/alpha)]
[(and (gui-available?)
(filename . is-a? . (gui-dynamic-require 'image-snip%)))
(send filename get-bitmap)])])
@ -1018,7 +1018,7 @@
[h (send bm get-height)])
(dc
(lambda (dc x y)
(send dc draw-bitmap bm x y 'solid black-color (send bm get-loaded-mask)))
(send dc draw-bitmap bm x y 'solid black-color))
w h))
(frame (inset (colorize (text "bitmap failed") "red") 2)))))