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require 'sdl'
SDL.init( SDL::INIT_VIDEO )
screen = SDL::setVideoMode(640,480,16,SDL::SWSURFACE)
SDL::WM::setCaption($0,$0)
image = SDL::Surface.loadBMP("icon.bmp")
image.setColorKey( SDL::SRCCOLORKEY ,0)
image = image.displayFormat
event=SDL::Event.new
i=0
scale=1.0;
dscale=0.1;
loop do
if event.poll != 0 then
if event.type==SDL::Event::QUIT then
break
end
if event.type==SDL::Event::KEYDOWN then
exit
end
end
screen.fillRect(0,0,640,480,0)
i+=1;
scale+=dscale;
dscale = -dscale if scale>4.0 or scale < 0.2
SDL.rotateScaledBlit(image,screen,320,200,i,scale)
screen.flip
end
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