# File gtk2/sample/gtk-demo/cairo-image.rb, line 19 def draw(cr) cr.save do loader = Gdk::PixbufLoader.new File.open("background.jpg", "rb") do |f| loader.last_write(f.read) end pixbuf = loader.pixbuf cr.translate(0.5, 0.5) cr.rotate(45 * Math::PI / 180) cr.scale(1.0 / pixbuf.width, 1.0 / pixbuf.height) cr.translate(-0.5 * pixbuf.width, -0.5 * pixbuf.height) cr.set_source_pixbuf(pixbuf, 0, 0) cr.paint end cr.save do image = Cairo::ImageSurface.from_png("ruby-gnome2-logo.png") cr.translate(0.5, 0.5) cr.rotate(60 * Math::PI / 180) cr.scale(0.8 / image.width, 0.8 / image.height) cr.translate(-0.5 * image.width, -0.5 * image.height) cr.set_source(image, 0, 0) cr.paint end end
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