class TileUp::ImageProcessor
Attributes
logger[RW]
Public Class Methods
build(processor, logger)
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# File lib/tileup/image_processor.rb, line 5 def self.build(processor, logger) case processor when 'mini_magick' then TileUp::ImageProcessors::MiniMagick.new(logger) else TileUp::ImageProcessors::RMagick.new(logger) end end
new(logger)
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# File lib/tileup/image_processor.rb, line 12 def initialize logger self.logger = logger end
Public Instance Methods
crop_and_save(image, crop, filename:, extend_crop: false, extend_color: 'none')
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# File lib/tileup/image_processor.rb, line 35 def crop_and_save image, crop, filename:, extend_crop: false, extend_color: 'none' logger.verbose "Crop: x: #{crop[:x]}, y: #{crop[:y]}, w: #{crop[:width]}, h: #{crop[:height]}" crop_and_save_image(image, crop, filename: filename, extend_crop: extend_crop, extend_color: extend_color) end
height(image)
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# File lib/tileup/image_processor.rb, line 46 def height image raise NotImplementedError end
open(image_filename)
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# File lib/tileup/image_processor.rb, line 16 def open image_filename image = open_image(image_filename) logger.info "Opened #{image_filename}, #{width(image)} x #{height(image)}" image rescue => e logger.error "Could not open image #{image_filename}: #{e.message}" raise e end
scale(image, scale)
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# File lib/tileup/image_processor.rb, line 25 def scale image, scale logger.verbose "Scale: #{scale}" if scale != 1.0 scale_image(image, scale) else image end end
width(image)
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Interface
# File lib/tileup/image_processor.rb, line 42 def width image raise NotImplementedError end
Private Instance Methods
crop_and_save_image(image, crop, filename:, extend_crop: false, extend_color: 'none')
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# File lib/tileup/image_processor.rb, line 60 def crop_and_save_image image, crop, filename:, extend_crop: false, extend_color: 'none' raise NotImplementedError end
open_image(image)
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# File lib/tileup/image_processor.rb, line 52 def open_image image raise NotImplementedError end
scale_image(image)
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# File lib/tileup/image_processor.rb, line 56 def scale_image image raise NotImplementedError end