Artifact 0590ffc4d1888c93a6616a31056084c9ec54a54b:

• File canvas-draw/canvas-draw-play.scm — part of check-in [b465d05d14] at 2013-05-11 16:59:59 on branch trunk — Updated iup and added canvas-draw (user: matt, size: 696) [annotate] [blame] [check-ins using]

;; -*- mode: Scheme; tab-width: 2; -*- ;;

;; {{{ Data types

(foreign-declare
	"#include <cd.h>\n")

(include "canvas-draw-types.scm")

;; }}}

;; {{{ Context content playback

(define canvas-play/ptr!
	(foreign-lambda int "cdCanvasPlay" nonnull-canvas nonnull-context int int int int c-pointer))

(define canvas-play/string!
	(foreign-lambda int "cdCanvasPlay" nonnull-canvas nonnull-context int int int int c-string))

(define (canvas-play! canvas context x0 x1 y0 y1 data)
	(let ([canvas-play/data! (if (string? data) canvas-play/string! canvas-play/ptr!)])
		(unless (zero? (canvas-play/data! canvas context x0 x1 y0 y1 data))
			(error 'canvas-play! "failed to replay graphics"))))

;; }}}