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Contents
module Locomotive
module Dragonfly
module Processors
# Do the following steps to get a thumb of an image:
# 1. resize
# 2. crop
# 3. optimize
#
# It doesn't try to resize and crop at the same time as the default thumb processor does
class SmartThumb < ::Dragonfly::ImageMagick::Processors::Thumb
RESIZE_CROP_GEOMETRY = /\A(\d+)x(\d+)\|(\d+)x(\d+)([+-]\d+)?([+-]\d+)?\z/ # e.g. '3840x5760|1920x320+10+10'
def args_for_geometry(geometry)
case geometry
when RESIZE_CROP_GEOMETRY
smart_resize_and_crop_args(
width: $1,
height: $2,
crop_width: $3,
crop_height: $4,
x: $5,
y: $6
)
else
super
end
end
private
def smart_resize_and_crop_args(opts)
"-resize #{opts[:width]}x#{opts[:height]}^^ -gravity Northwest -crop #{opts[:crop_width]}x#{opts[:crop_height]}#{opts[:x]}#{opts[:y]} +repage"
end
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems