layer.coffeelib/psd/ | |
|---|---|
{Module} = require 'coffeescript-module' | |
Represents a single layer and all of the data associated with that layer. Typically you will access this data from a Node object, which simplifies access for you. | module.exports = class Layer extends Module |
Mixins for all of the various data each layer contains. | @includes require('./layer/position_channels.coffee')
@includes require('./layer/blend_modes.coffee')
@includes require('./layer/mask.coffee')
@includes require('./layer/blending_ranges.coffee')
@includes require('./layer/name.coffee')
@includes require('./layer/info.coffee')
@includes require('./layer/helpers.coffee')
@includes require('./layer/channel_image.coffee')
constructor: (@file, @header) ->
@mask = {}
@blendingRanges = {}
@adjustments = {}
@channelsInfo = []
@blendMode = {}
@groupLayer = null
@infoKeys = [] |
The layer's name can come from one of two places, depending on what version of Photoshop was used to create the PSD. | Object.defineProperty @, 'name',
get: ->
if @adjustments['name']?
@adjustments['name'].data
else
@legacyName |
Every layer starts with the same set of data, and ends with a dynamic number of layer info blocks. | parse: ->
@parsePositionAndChannels()
@parseBlendModes()
extraLen = @file.readInt()
@layerEnd = @file.tell() + extraLen
@parseMaskData()
@parseBlendingRanges()
@parseLegacyLayerName()
@parseLayerInfo()
@file.seek @layerEnd
return @
export: ->
name: @name
top: @top
right: @right
bottom: @bottom
left: @left
width: @width
height: @height
opacity: @opacity
visible: @visible
clipped: @clipped
mask: @mask.export()
|