Sha256: 743041509c2165f844a1c634c69f7baeb345caf321346231b963d8816293f19d
Contents?: true
Size: 1.53 KB
Versions: 13
Compression:
Stored size: 1.53 KB
Contents
#!/usr/bin/env ruby -w
require 'rmagick'
buttons = Magick::ImageList.new
# Read 25 alphabet image files, scale to 1/4 size
letter = 'A'
26.times do
if letter != 'M' # "M" is not the same size as the other letters
tiny = Magick::Image.read('images/Button_' + letter + '.gif').first
tiny.scale! 0.25
buttons << tiny
end
letter.succ!
end
# Create a image that will hold the alphabet images in 5 rows and 5 columns.
cells = Magick::ImageList.new
cells.new_image buttons.columns*5, buttons.rows*5 do
self.background_color = '#000000ff' # transparent
end
cells.matte = true
offset = Magick::Rectangle.new(0,0,0,0)
# Create 2 arrays from which we can randomly choose row,col pairs
row = [0]*5 + [1]*5 + [2]*5 + [3]*5 + [4]*5
col = (0..4).to_a * 5
# The coalesce method composites the 2nd image over the 1st, the 3rd image
# over the result, and so forth, respecting the page offset of the images.
srand 1234
25.times do |i|
# Randomly select a row and column for this copy of the "tinya" image.
# Compute the x,y position of this copy in pixels and store the
# result in the image's page attribute. Append a copy of the image
# to the image array in "a".
n = rand row.length
x = row.delete_at n
y = col.delete_at n
button = buttons[i]
offset.x = x*button.columns
offset.y = y*button.rows
button.page = offset
button.matte = true
cells << button
end
puts 'This may take a few seconds...'
cells.delay = 10
cells.iterations = 10000
res = cells.coalesce
res.write 'coalesce_anim.gif'
res[25].write 'coalesce.gif'
exit
Version data entries
13 entries across 13 versions & 3 rubygems