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#!/usr/bin/env ruby
top = File.expand_path(File.join(File.dirname(__FILE__), ".."))
$LOAD_PATH.unshift File.join(top, "ext", "cairo")
$LOAD_PATH.unshift File.join(top, "lib")
require 'cairo'
width = 200
height = 200
data = nil
stride = nil
Cairo::ImageSurface.new(width, height) do |surface|
cr = Cairo::Context.new(surface)
# fill background with white
cr.set_source_color("#fffc")
cr.paint
# create shape
cr.move_to(50, 50)
cr.curve_to(100, 25, 100, 75, 150, 50)
cr.line_to(150, 150)
cr.line_to(50, 150)
cr.close_path
cr.set_source_color(:black)
cr.fill_preserve
cr.set_source_color(:red)
cr.set_line_join(Cairo::LINE_JOIN_MITER)
cr.set_line_width(4)
cr.stroke
cr.target.write_to_png("test.png")
data = cr.target.data
stride = cr.target.stride
end
Cairo::ImageSurface.new(data, :argb32, width, height, stride) do |surface|
surface.write_to_png("test-renew.png")
end
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