module DotDiff::Image::Cropper
Public Instance Methods
crop_and_resave(element)
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# File lib/dotdiff/image/cropper.rb, line 8 def crop_and_resave(element) image = load_image(fullscreen_file) image.crop!( element.rectangle.x.floor, element.rectangle.y.floor, width(element, image), height(element, image) ) image.write(cropped_file) end
height(element, image)
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# File lib/dotdiff/image/cropper.rb, line 24 def height(element, image) element_height = element.rectangle.height + element.rectangle.y image_height = image.rows if element_height > image_height image_height - element.rectangle.y else element.rectangle.height end end
load_image(file)
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# File lib/dotdiff/image/cropper.rb, line 20 def load_image(file) Magick::Image.read(file).first end
width(element, image)
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# File lib/dotdiff/image/cropper.rb, line 35 def width(element, image) element_width = element.rectangle.width + element.rectangle.x image_width = image.columns if element_width > image_width image_width - element.rectangle.x else element.rectangle.width end end