Class: TilesetTooling::Commands::InsertBleed

Inherits:
Command
  • Object
show all
Defined in:
lib/tileset_tooling/commands/insert_bleed.rb

Overview

Command used to insert bleed around tiles

Instance Method Summary collapse

Methods inherited from Command

#initialize

Constructor Details

This class inherits a constructor from TilesetTooling::Commands::Command

Instance Method Details

#run ⇒ Object

Runs this command

Raises:

  • (::StandardError) 


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# File 'lib/tileset_tooling/commands/insert_bleed.rb', line 20

def run
  @logger.info("Adding bleed to tiles in image file '#{@image_path}'")
  tileset = gather_image_information

  raise(::StandardError, 'Current implementation needs an existing margin') unless tileset.margin.positive?

  ::MiniMagick::Tool::Convert.new do |convert|
    convert.background('none')
    convert << tileset.original_image_path

    tileset.for_each_tile do |tile|
      copy_rect(convert, tile.left, tile.top, 1, tile.width, tile.left, tile.top - 1) unless tile.top <= 0
      copy_rect(convert, tile.left, tile.bottom - 1, 1, tile.width, tile.left, tile.bottom) unless tile.bottom >= tileset.height
      copy_rect(convert, tile.left, tile.top, tile.height, 1, tile.left - 1, tile.top) unless tile.left <= 0
      copy_rect(convert, tile.right - 1, tile.top, tile.height, 1, tile.right, tile.top) unless tile.right >= tileset.width
    end

    convert.flatten
    convert << result_path
  end

  @logger.info("Result stored in '#{result_path}'")
end

#unpack! ⇒ Object

Validates arguments/options and unpacks them

Raises:

  • (::StandardError) 


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# File 'lib/tileset_tooling/commands/insert_bleed.rb', line 11

def unpack!
  raise(::StandardError, 'Missing argument') unless @args.count == 1

  @image_path = @args.shift

  raise(::StandardError, "Could not find image '#{@image_path}'") unless ::File.exist?(@image_path)
end