13 lines
347 B
Scheme
13 lines
347 B
Scheme
(define pixel-value pixel-Xpixel)
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(define (black-pixel display)
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(make-pixel (%black-pixel (display-Xdisplay display))))
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(import-lambda-definition %black-pixel (Xdisplay)
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"Black_Pixel")
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(define (white-pixel display)
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(make-pixel (%white-pixel (display-Xdisplay display))))
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(import-lambda-definition %white-pixel (Xdisplay)
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"White_Pixel") |