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animresize.rREBOL [
Title: "Animated face Resize"
File: %animresize.r
Author: "Maxim Olivier-Adlhoch"
Date: 05-Jun-2007
Version: 1.0.0
Rights: "Copyright (c) 2007 Maxim Olivier-Adlhoch"
Usage: "do http://rebol.org/cgi-bin/cgiwrap/rebol/download-a-script?script-name=animresize.r"
Purpose: "An animated resize using DRAW and image!"
Comment: "Older demo by Maxim, prepped for rebol.org by btiffn"
History: [
05-Jun-2007 1.0.0 "btiffn" "First cut for Library"
05-Jun-2007 1.0.0 "moliad" "Code written"]
library: [
level: 'intermediate
platform: 'all
type: 'how-to
domain: 'graphics
tested-under: [view 2.7.5.4.2 on "Debian GNU/Linux 4.0" by "btiffin"]
support: [
"REBOL Mailing List"
http://www.opensource.org/licenses/mit-license.html
]
license: 'MIT
see-also: "fastscroll.r"
]
]
map-size: 200x200
steps: 50
sub-face-size-start: 50x50
sub-face-size-end: map-size * 5
; create image map
print "generating map buffer"
map: make image! reduce [map-size white]
fx: [
pen none
fill-pen diamond 863x9 0 216 225 8 8 142.128.110.213 250.240.230.179
0.48.0.128 250.240.230.128 255.228.196.160 128.128.0.192 255.255.0.189
0.255.255.191 0.128.128.203 128.0.128.193 175.155.120.202 100.136.116.163
72.0.90.199 38.58.108.192 160.180.160.131 255.0.255.179 255.228.196.184
139.69.19.135
box 0x0 map-size
pen none
fill-pen conic 127x863 0 300 116 9 7 192.192.192.160 255.0.255.171
240.240.240.157 40.100.130.137 255.164.200.133 255.255.255.154 0.128.128.163
0.0.128.166 255.228.196.145 255.0.255.168
box 0x0 map-size
pen none
fill-pen cubic 375x810 0 89 72 1 8 222.184.135.137 160.82.45.166
38.58.108.157 255.205.40.131 255.150.10.129 240.240.240.139 0.48.0.171
179.179.126.150 0.255.0.131 72.0.90.159
box 0x0 map-size
pen none
fill-pen radial -117x-266 0 65 158 3 2 255.255.255.143 72.0.90.181
40.100.130.146 100.120.100.130 178.34.34.185 128.0.128.169 72.0.90.160
139.69.19.190 100.120.100.165 178.34.34.148 222.184.135.164 0.0.255.141
160.82.45.143
box 0x0 map-size
pen none
fill-pen cubic 826x989 0 171 233 2 2 160.82.45.134 192.192.192.167
38.58.108.191 100.136.116.158 175.155.120.187 245.222.129.140 80.108.142.189
255.150.10.158 40.100.130.197 164.200.255.187 179.179.126.169 255.150.10.168
164.200.255.197 220.20.60.170 255.0.0.147 76.26.0.175
box 0x0 map-size
]
; render a pretty pic
print ["rendering pretty pic at " map-size]
draw map fx
do-size: func [
scale
][
sub/offset: (-200x-200 * scale)
sub/size: ((sub-face-size-end - sub-face-size-start) * (scale)) + sub-face-size-start
show sub
]
; anim simulation:
do-anim: does [
s: now/precise
repeat i steps [
do-size i / steps
;sub/offset: (-200x-200 * (i / steps))
;sub/size: ((sub-face-size-end - sub-face-size-start) * (i / steps)) + sub-face-size-start
;show sub
;print i
]
print ["map res: " map/size]
print ["steps: " steps]
print ["time: " difference now/precise s ]
print ["frame rate: " steps / (to-decimal difference now/precise s) "f/sec"]
]
; open gui
l: layout [
sub: box map 200x200 effect [fit]
]
view layout [
canvas: box 500x500
button "animate" [do-anim]
scroller 500x15 [do-size value]
do [
canvas/pane: sub
show canvas
]
] Notes
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