func init
	// checks installation Adobe Photoshop and adds references
	include("AdobePhotoshop")

	// initialize instance
	if(linked("doDocument"))
		sys.add_var(this.name, 'ps.Document')
	end

	// make methods for properties
	sys._prop_init('.Height', 1, 0, 7, this.instance())
	sys._prop_init('.Width', 1, 0, 7, this.instance())
	sys._prop_init('ActiveChannels', 1, 0, 0, this.instance())
	sys._prop_init('ActiveLayer', 1, 0, 0, this.instance())
	sys._prop_init('ArtLayers', 1, 0, 0, this.instance())
	sys._prop_init('BackgroundLayer', 1, 0, 0, this.instance())
	sys._prop_init('BitsPerChannel', 1, 0, 0, this.instance())
	sys._prop_init('.Channels', 1, 0, 0, this.instance())
	sys._prop_init('ColorProfileName', 1, 0, 2, this.instance())
	sys._prop_init('ColorProfileType', 1, 0, 0, this.instance())
	sys._prop_init('FullName', 1, 0, 2, this.instance())
	sys._prop_init('Info', 1, 0, 0, this.instance())
	sys._prop_init('LayerComps', 1, 0, 0, this.instance())
	sys._prop_init('Layers', 1, 0, 0, this.instance())
	sys._prop_init('LayerSets', 1, 0, 0, this.instance())
	sys._prop_init('Mode', 1, 0, 0, this.instance())
	sys._prop_init('Name', 1, 0, 2, this.instance())
	sys._prop_init('Path', 1, 0, 2, this.instance())
	sys._prop_init('PathItems', 1, 0, 0, this.instance())
	sys._prop_init('Resolution', 1, 0, 7, this.instance())
	sys._prop_init('Saved', 1, 0, 104, this.instance())
	sys._prop_init('Selection', 1, 0, 0, this.instance())
	sys._prop_init('XMPMetadata', 1, 0, 0, this.instance())

	// makes implementation of methods as properties
	sys._mtd_as_prop_init('SplitChannels()', this.instance())

	// makes implementation of simple methods
	sys._method_init('Flatten', '', this.instance())
	sys._method_init('MergeVisibleLayers', '', this.instance())
	sys._method_init('RasterizeAllLayers', '', this.instance())
	sys._method_init('RevealAll', '', this.instance())
	sys._method_init('Save', '', this.instance())
end

func doDocument(data)
	blk.println(this.codename, ' = ', d("Document", 20), ';')
end

func doActiveChannels(data)
	blk.println(this.instance(data), '.ActiveChannels = ', d("channels"), ';')
end

func doActiveLayer(data)
	blk.println(this.instance(data), '.ActiveLayer = ', d("layer"), ';')
end

func doBitsPerChannel(data)
	blk.println(this.instance(data), '.BitsPerChannel = ', d("depth"), ';')
end

func doColorProfileName(data)
	blk.println(this.instance(data), '.ColorProfileName = ', d("profilename", 2), ';')
end

func doColorProfileType(data)
	blk.println(this.instance(data), '.ColorProfileType = ', d("profiletype"), ';')
end

func doTrap(data)
	blk.println(this.instance(data), '.Trap(', d("width", 105), ');')
end

func .Document
	return(this.instance())
end

func instance(data)
	if(linked("doDocument"))
		return(this.codename)
	else
		return(d("Document", 20))
	end
end