Sha256: a17c4e8c68c19752838631bf7248b1f23453360eda89ae0a75cd4270c0f5eaf8
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Size: 1.46 KB
Versions: 30
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Contents
require "rabbit/utils"
require "rabbit/image/base"
module Rabbit
module ImageManipulable
class GIMP < Base
unshift_loader(self)
GIMP_COMMANDS = %w(gimp)
HEADER = "gimp xcf file"
HEADER_SIZE = HEADER.size
include SystemRunner
class << self
def match?(filename)
File.open(filename) do |f|
HEADER == f.read(HEADER_SIZE)
end
end
end
private
def update_size
png_file = Tempfile.new("rabbit-loader-gimp-png")
png_path = png_file.path
clip_to_image = 1
merge_type = clip_to_image
command = <<-EOC
(let ((image (car (gimp-file-load RUN-NONINTERACTIVE
"#{@filename}" "#{@filename}"))))
(let ((layer (car (gimp-image-merge-visible-layers image #{merge_type}))))
(file-png-save-defaults RUN-NONINTERACTIVE image layer
"#{png_path}" "#{png_path}"))
(gimp-image-delete image))
EOC
args = %w(-i)
args.concat(["-b", command])
args.concat(["-b", "(gimp-quit TRUE)"])
if GIMP_COMMANDS.any? {|gimp| run(gimp, *args); File.exist?(png_path)}
png_file.open
png_file.binmode
loader = load_by_pixbuf_loader(png_file.read)
@pixbuf = loader.pixbuf
else
raise GIMPCanNotHandleError.new("gimp #{args.join(' ')}",
GIMP_COMMANDS)
end
end
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems