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Contents
module Prawn::SVG::Attributes::Opacity
def parse_opacity_attributes_and_call
# We can't do nested opacities quite like the SVG requires, but this is close enough.
opacity = clamp(properties.opacity.to_f, 0, 1) if properties.opacity
fill_opacity = clamp(properties.fill_opacity.to_f, 0, 1) if properties.fill_opacity
stroke_opacity = clamp(properties.stroke_opacity.to_f, 0, 1) if properties.stroke_opacity
if opacity || fill_opacity || stroke_opacity
state.fill_opacity *= [opacity || 1, fill_opacity || 1].min
state.stroke_opacity *= [opacity || 1, stroke_opacity || 1].min
add_call_and_enter 'transparent', state.fill_opacity, state.stroke_opacity
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems