Class: PSD::Node::Layer

Inherits:
PSD::Node show all
Includes:
LockToOrigin
Defined in:
lib/psd/node_layer.rb

Constant Summary

Constants inherited from PSD::Node

PROPERTIES

Instance Attribute Summary collapse

Attributes inherited from PSD::Node

#children, #parent

Instance Method Summary collapse

Methods included from LockToOrigin

#lock_to_origin

Methods inherited from PSD::Node

#document_dimensions, #group?, #hidden?, #layer?, #visible?

Methods included from Search

#children_at_path

Methods included from Ancestry

#ancestors, #childless?, #depth, #descendants, #has_children?, #has_siblings?, #only_child?, #root, #root?, #siblings, #subtree

Constructor Details

#initialize(layer) ⇒ Layer

Stores a reference to the PSD::Layer



10
11
12
13
14
15
 
# File 'lib/psd/node_layer.rb', line 10

def initialize(layer)
  super([])
  
  @layer = layer
  layer.node = self
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object

If the method is missing, we blindly send it to the layer. The layer handles the case in which the method doesn’t exist.



30
31
32
 
# File 'lib/psd/node_layer.rb', line 30

def method_missing(method, *args, &block)
  layer.send(method, *args, &block)
end

Instance Attribute Details

#layer ⇒ Object (readonly)

Returns the value of attribute layer.



7
8
9
 
# File 'lib/psd/node_layer.rb', line 7

def layer
  @layer
end

Instance Method Details

#hide! ⇒ Object

Tries to hide the layer by moving it way off canvas.



45
46
47
48
49
50
51
 
# File 'lib/psd/node_layer.rb', line 45

def hide!
  # TODO actually mess with the blend modes instead of
  # just putting things way off canvas
  return if @hidden_by_kelly
  translate(100000, 10000)
  @hidden_by_kelly = true
end

#scale_path_components(xr, yr) ⇒ Object

Attempt to scale the path components of the layer.



40
41
42
 
# File 'lib/psd/node_layer.rb', line 40

def scale_path_components(xr, yr)
  @layer.scale_path_components(xr, yr)
end

#show! ⇒ Object

Tries to re-show the canvas by moving it back to it’s original position.



54
55
56
57
58
59
 
# File 'lib/psd/node_layer.rb', line 54

def show!
  if @hidden_by_kelly
    translate(-100000, -10000)
    @hidden_by_kelly = false
  end
end

#to_hash ⇒ Object

Exports this layer to a Hash.



62
63
64
65
66
67
68
69
 
# File 'lib/psd/node_layer.rb', line 62

def to_hash
  super.merge({
    type: :layer,
    text: @layer.text,
    ref_x: @layer.reference_point.x,
    ref_y: @layer.reference_point.y
  })
end

#translate(x = 0, y = 0) ⇒ Object

Attempt to translate the layer.



35
36
37
 
# File 'lib/psd/node_layer.rb', line 35

def translate(x=0, y=0)
  @layer.translate x, y
end