Sha256: b4c9fc0b0522760b4ce58bb050dafd5be95c62da716020cd468ac4af59c91155
Contents?: true
Size: 1.69 KB
Versions: 13
Compression:
Stored size: 1.69 KB
Contents
require_relative 'node'
class PSD::Node
# Represents the root node of a Photoshop document
class Root < PSD::Node
include PSD::HasChildren
include PSD::Node::ParseLayers
attr_reader :children
# Stores a reference to the parsed PSD and builds the
# tree hierarchy.
def initialize(psd)
@psd = psd
build_hierarchy
end
# Recursively exports the hierarchy to a Hash
def to_hash
{
children: children.map(&:to_hash),
document: {
width: document_width,
height: document_height
}
}
end
# Returns the width and height of the entire PSD document.
def document_dimensions
[@psd.header.width, @psd.header.height]
end
# The width of the full PSD document as defined in the header.
def document_width
@psd.header.width.to_i
end
# The height of the full PSD document as defined in the header.
def document_height
@psd.header.height.to_i
end
# The root node has no name since it's not an actual layer or group.
def name
nil
end
# The depth of the root node is always 0.
def depth
0
end
private
def build_hierarchy
@children = []
result = { layers: [] }
parseStack = []
# First we build the hierarchy
@psd.layers.each do |layer|
if layer.folder?
parseStack << result
result = { name: layer.name, layer: layer, layers: [] }
elsif layer.folder_end?
temp = result
result = parseStack.pop
result[:layers] << temp
else
result[:layers] << layer
end
end
parse_layers(result[:layers])
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems