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#Jason Palmer, 2006. #http://www.jason-palmer.com/ #Use the software as you please, just please give me reference when doing so. require 'rubygems' require 'rmagick' src_img = ARGV[0] dst1_img = ARGV[1] dst2_img = ARGV[2] split_type = ARGV[3].downcase unless ARGV[3].nil? if src_img.nil? || dst1_img.nil? || dst2_img.nil? puts "Usage: img_resize.rb src_img dst1_img dst2_img split_type=horizontal" exit(1) end if split_type.nil? || (split_type != 'horizontal' && split_type != 'vertical') split_type = 'horizontal' end begin src = Magick::Image::read(src_img).first rescue Exception=>e puts "Error reading source image file" puts e.to_s() exit(1) end begin if split_type == 'horizontal' left_img = src.crop(0,0, (src.columns / 2), src.rows) right_img = src.crop((src.columns / 2), 0, src.columns, src.rows) elsif split_type == 'vertical' left_img = src.crop(0,0, (src.columns / 2), (src.rows / 2)) right_img = src.crop((src.columns / 2), (src.rows / 2), src.columns, src.rows) end rescue Exception=>e puts "Error splitting file #{split_type}ly" puts e.to_s() exit(1) end begin left_img.write(dst1_img) right_img.write(dst2_img) rescue Exception=>e puts "Error writing files" puts "Make sure you have permission to write to the destination directory" puts e.to_s() end
URL: http://www.jason-palmer.com/2006/11/14/rmagick-image-slicing/