Method: Pixelart::ImageComposite#_add

Defined in:
lib/pixelart/composite.rb

#_add(image) ⇒ Object

set / add tile



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# File 'lib/pixelart/composite.rb', line 85

def _add( image )
  y, x =  @tile_count.divmod( @tile_cols )

  puts "    [#{@tile_count}] @ (#{x}/#{y}) #{image.width}x#{image.height} (height x width)"

  ## note: only used if more than one background color specified
  ##        needs to cycle through
  if @background_colors && @background_colors.size > 1
    i = x + y*@tile_cols

    ## note: cycle through background color for now
    background_color = @background_colors[i % @background_colors.size]
    background = Image.new( @tile_width, @tile_height, background_color )  ## todo/chekc: use "raw" ChunkyPNG:Image here - why? why not?
    background.compose!( image )
    image = background    ## switch - make image with background new image
  end

  ## note: image.image  - "unwrap" the "raw" ChunkyPNG::Image
  @img.compose!( image.image, x*@tile_width, y*@tile_height )
  @tile_count += 1
end