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add one more monochrome-bitmap test

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svn: r6964
This commit is contained in:
Matthew Flatt 2007-07-25 18:38:33 +00:00
parent 0f3e5b69a7
commit 6ab2806fe0
1 changed files with 31 additions and 1 deletions
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32
collects/tests/mred/dc.ss
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@ -126,7 +126,7 @@
(let ([col3 (make-object color%)]
[white (make-object color% 255 255 255)]
[check-col (lambda (what a b)
(test #t `(same red ,what) (= (send a red) (send b red)))
(test #t `(same red ,what, (send a red) ,(send b red)) (= (send a red) (send b red)))
(test #t `(same green ,what) (= (send a green) (send b green)))
(test #t `(same blue ,what) (= (send a blue) (send b blue))))])
(let i-loop ([i 0])
@ -151,4 +151,34 @@
;; ----------------------------------------
;; Extra get-argb-pixels on monochrome text (from PR 8821):
(let* ((bm (make-object bitmap% 5 5 #t))
(bm2 (make-object bitmap% 5 5 #t))
(dc (new bitmap-dc% (bitmap bm)))
(pt (lambda (x y) (make-object point% x y)))
(bs (make-bytes 100))
(bs2 (make-bytes 100)))
(send dc clear)
(send dc set-brush (make-object color% 0 0 0) 'solid)
(send dc draw-polygon (list (pt 2 0) (pt 2 4)
(pt 4 4) (pt 4 0)))
(send dc set-bitmap #f)
(send bm get-argb-pixels 0 0 5 5 bs)
(send dc set-bitmap bm2)
(send dc set-argb-pixels 0 0 5 5 bs)
(send dc get-argb-pixels 0 0 5 5 bs2)
(send dc set-bitmap #f)
(test #t 'mono-bits
(equal?
bs
(bytes-append
#"\377\377\377\377\377\377\377\377\377\0\0\0\377\0\0\0\377\0\0\0\377\377\377\377\377"
#"\377\377\377\377\0\0\0\377\0\0\0\377\0\0\0\377\377\377\377\377\377\377\377\377\0\0\0"
#"\377\0\0\0\377\0\0\0\377\377\377\377\377\377\377\377\377\0\0\0\377\0\0\0\377\0\0\0"
#"\377\377\377\377\377\377\377\377\377\0\0\0\377\0\0\0\377\0\0\0")))
(test #t 'same-bits (equal? bs bs2)))
;; ----------------------------------------
(report-errs)