Merge pull request #203 from LoginovIlya/master

Added 'guides' section parser

lib/psd/nodes/root.coffee

@@ -37,7 +37,7 @@ module.exports = class Root extends Node
       resources:
         layerComps: @psd.resources.resource('layerComps')?.export() or []
         resolutionInfo: @psd.resources.resource('resolutionInfo')?.export() or []
-        guides: []
+        guides: @psd.resources.resource('guides')?.export()
         slices: []
 
 

lib/psd/resource_section.coffee

@@ -5,6 +5,7 @@ module.exports = class ResourceSection
     require('./resources/layer_comps.coffee')
     require('./resources/layer_links.coffee')
     require('./resources/resolution_info.coffee')
+    require('./resources/guides.coffee')
   ]
 
   @factory: (resource) ->

lib/psd/resources/guides.coffee

@@ -0,0 +1,25 @@
+module.exports = class Guides
+
+  id: 1032
+  name: 'guides'
+
+  constructor: (@resource) ->
+    @file = @resource.file
+    @data = []
+
+  parse: ->
+    # Descriptor version
+    @file.seek 4, true
+
+    # Future implementation of document-specific grids
+    @file.seek 8, true
+
+    num_guides = @file.readInt()
+
+    for i in [1..num_guides]
+      location = (@file.readInt() / 32).toFixed(1)
+      direction = if @file.readByte() then "horizontal" else "vertical"
+      @data.push({ location, direction })
+
+  export: ->
+    @data