Class: PSD::Node

Inherits:
Object
  • Object
show all
Includes:
Ancestry, BuildPreview, Search
Defined in:
lib/psd/node.rb,
lib/psd/node_root.rb,
lib/psd/node_group.rb,
lib/psd/node_layer.rb,
lib/psd/nodes/search.rb,
lib/psd/nodes/ancestry.rb,
lib/psd/nodes/parse_layers.rb,
lib/psd/nodes/build_preview.rb,
lib/psd/nodes/lock_to_origin.rb

Direct Known Subclasses

Group, Layer, Root

Defined Under Namespace

Modules: Ancestry, BuildPreview, LockToOrigin, ParseLayers, Search Classes: Group, Layer, Root

Constant Summary collapse

PROPERTIES =

Default properties that all nodes contain

[:name, :left, :right, :top, :bottom, :height, :width]

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from BuildPreview

#build_png, #orig_to_png, #to_png

Methods included from Image::Export::PNG

#mask_to_png, #save_as_png, #to_png, #to_png_with_mask

Methods included from Search

#children_at_path, #filter_by_comp

Methods included from Ancestry

#ancestors, #childless?, #depth, #descendants, #has_children?, #has_siblings?, #method_missing, #next_sibling, #only_child?, #path, #prev_sibling, #root, #root?, #siblings, #subtree

Constructor Details

#initialize(layers = []) ⇒ Node

Returns a new instance of Node.



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# File 'lib/psd/node.rb', line 17

def initialize(layers=[])
  @children = []
  layers.each do |layer|
    layer.parent = self
    @children << layer
  end

  @force_visible = false
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class PSD::Node::Ancestry

Instance Attribute Details

#children ⇒ Object

Returns the value of attribute children.



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# File 'lib/psd/node.rb', line 15

def children
  @children
end

#force_visible ⇒ Object

Returns the value of attribute force_visible.



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# File 'lib/psd/node.rb', line 15

def force_visible
  @force_visible
end

#layer ⇒ Object

Returns the value of attribute layer.



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# File 'lib/psd/node.rb', line 15

def layer
  @layer
end

#parent ⇒ Object

Returns the value of attribute parent.



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# File 'lib/psd/node.rb', line 15

def parent
  @parent
end

Instance Method Details

#document_dimensions ⇒ Object 



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# File 'lib/psd/node.rb', line 62

def document_dimensions
  @parent.document_dimensions
end

#group? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/psd/node.rb', line 43

def group?
  is_a?(PSD::Node::Group) || is_a?(PSD::Node::Root)
end

#hidden? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/psd/node.rb', line 27

def hidden?
  !visible?
end

#layer? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/psd/node.rb', line 39

def layer?
  is_a?(PSD::Node::Layer)
end

#psd ⇒ Object 



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# File 'lib/psd/node.rb', line 35

def psd
  parent.psd
end

#to_hash ⇒ Object 



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# File 'lib/psd/node.rb', line 47

def to_hash
  hash = {
    type: nil,
    visible: visible?,
    opacity: @layer.opacity / 255.0,
    blending_mode: @layer.blending_mode
  }

  PROPERTIES.each do |p|
    hash[p] = self.send(p)
  end

  hash
end

#visible? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/psd/node.rb', line 31

def visible?
  force_visible || @layer.visible?
end