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# File 'lib/prawn/images/image.rb', line 16
def calc_image_dimensions(options)
w = options[:width] || width
h = options[:height] || height
if options[:width] && !options[:height]
wp = w / width.to_f
w = width * wp
h = height * wp
elsif options[:height] && !options[:width]
hp = h / height.to_f
w = width * hp
h = height * hp
elsif options[:scale]
w = width * options[:scale]
h = height * options[:scale]
elsif options[:fit]
bw, bh = options[:fit]
bp = bw / bh.to_f
ip = width / height.to_f
if ip > bp
w = bw
h = bw / ip
else
h = bh
w = bh * ip
end
end
self.scaled_width = w
self.scaled_height = h
[w, h]
end
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