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#!/usr/bin/env ruby | |
require 'rubygems' | |
require 'mini_magick' | |
BLANK = 'blank.png' # 1x1px white png | |
$text = 'hello, world' # text to write | |
img = MiniMagick::Image.from_file(BLANK) | |
font_size = 12 # points | |
margin = 6 # 3px on each side | |
h = font_size + margin | |
w = 7 * $text.length # 7px per letter | |
img.combine_options do |c| | |
c.resize "#{w}X#{h}!" | |
c.gravity 'Center' | |
c.font '-*-arial-*-r-*-*-' + font_size.to_s + '-*-*-*-*-*-*-1' | |
c.pointsize font_size.to_s | |
c.draw "text 0,0 '#{$text}'" | |
c.fill '#000000' | |
end | |
img.write("out.png") | |
puts `identify out.png` |
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