18 lines
539 B
Scheme
18 lines
539 B
Scheme
(define-module (guart draw)
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#:use-module (guart)
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#:use-module (guart buffer)
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#:use-module (ice-9 match)
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#:export (draw-here))
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(define* (draw-here ga #:optional (port #f))
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(unless port
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(set! port (current-output-port)))
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(match-let* ((($ <guart> w h draw) ga)
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(buf (make-buffer w h))
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(okay? (λ (width height rpos cpos) #t))
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(blit! (λ (rpos cpos grapheme)
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(buffer-set! buf rpos cpos grapheme))))
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(draw okay? blit! 0 0)
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(write-buffer buf port)))
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