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REBOL [ Title: "Fade Presentation" Date: 20-May-2000 Purpose: "Demonstrate fade effects" File: %fadetext.r Author: "Jeff" library: [ level: 'advanced platform: none type: none domain: 'GUI tested-under: none support: none license: none see-also: none ] ] ptext: parse form next first system/words none incr: func [/tup/templ/inc] [ tup: 10.10.10 + random 255.255.255 tmp: copy [] inc: to-tuple repeat i 3 [ append tmp to-integer (pick tup i) / 10 ] reduce [tup inc] ] one-way: func [c end inc][ make face/feel [engage: func [f a e] compose/deep [ all [a = 'time (to-set-path c/1) (c/1) (inc) (end) = (c/1) f/rate: 0] show f]] ] set [sc inc] incr foreach [n b][ r-vect: [2x2 - random 3x3] gm: [compose [gradmul (r-vect) (white) (black)]] bgc: [one-way [f/color] sc compose [+ (inc)]] tgc: [one-way [f/font/color] black compose [- (inc)]]][n does b] view layout [ bg: backdrop 0.0.0 with [rate: 10 feel: bgc effect: gm] tt: text (ptext/1) 120x30 (sc) with [font: [size: 18] rate: 10 feel: tgc effect: [key 0.0.0]] button "Next" [tt/text: first either tail? ptext: next ptext [ptest: head ptext][ptext] bg/effect: gm set [sc inc] incr bg/color: black tt/font/color: sc bg/feel: bgc tt/rate: bg/rate: 10 show reduce [bg tt]] ]
halt ;; to terminate script if DO'ne from webpage