Class: DynamicImageElements::ImageElement

Inherits:
Object
  • Object
show all
Includes:
ElementInterface
Defined in:
lib/elements/image_element.rb

Overview

Element providing rendering of image.

Instance Method Summary collapse

Methods included from ElementInterface

#final_size, #set_height, #set_width

Constructor Details

#initialize(source, options, parent) ⇒ ImageElement

Image element accepts source as path to image file and options Hash.

Options

Options can contain general attributes specified by BlockElement if it’s created by it.

:alpha

Makes image semi-transparent. Valid values are 0.0 - 1.0 or “0%” - “100%”. Default is 1.0.

:crop

Sets cropping rectangle by values in this order: [x, y, width, height]. Use Array or String to describe it, values in String must be separated by space char.

:height

Sets height of image.

:width

Sets width of image.



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# File 'lib/elements/image_element.rb', line 22

def initialize(source, options, parent)
  @source = source
  @options = options
  @parent = parent
  use_options :margin
  if @options[:crop].is_a? Array
    @crop = (@options[:crop].flatten.map{|v| v.class == Fixnum || v.class == Float || v.class == String ? v.to_i : 0} + [0, 0, 0, 0])[0..3]
  else
    @crop = (@options[:crop].to_s.scan(/\-?\d+/).flatten.map(&:to_i) + [0, 0, 0, 0])[0..3]
  end
end