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Contents
require_relative 'base'
module Udongo
module ImageManipulation
class ResizeAndPad
include Udongo::ImageManipulation::Base
# Resize the image to fit within the specified dimensions while retaining
# the original aspect ratio. If necessary, will pad the remaining area
# with the given color, which defaults to transparent (for gif and png,
# white for jpeg).
#
# Possible values for options[:gravity] are:
# NorthWest, North, NorthEast, West, Center, East, SouthWest, South, SouthEast
#
def resize(path)
gravity = @options.key?(:gravity) ? @options[:gravity] : 'Center'
background = @options.key?(:background) ? @options[:background] : :transparant
img = MiniMagick::Image.open(@file)
img.combine_options do |cmd|
cmd.thumbnail "#{@width}x#{@height}>"
if background.to_sym == :transparent
cmd.background 'rgba(255, 255, 255, 0.0)'
else
cmd.background background
end
cmd.gravity gravity
cmd.extent "#{@width}x#{@height}"
end
img.write(path)
end
end
end
end
Version data entries
53 entries across 53 versions & 1 rubygems