require 'psd/layer/info/blend_clipping_elements' require 'psd/layer/info/blend_interior_elements' require 'psd/layer/info/fill_opacity' require 'psd/layer/info/gradient_fill' require 'psd/layer/info/layer_group' require 'psd/layer/info/layer_id' require 'psd/layer/info/layer_name_source' require 'psd/layer/info/layer_section_divider' require 'psd/layer/info/legacy_typetool' require 'psd/layer/info/locked' require 'psd/layer/info/metadata_setting' require 'psd/layer/info/object_effects' require 'psd/layer/info/pattern' require 'psd/layer/info/placed_layer' require 'psd/layer/info/reference_point' require 'psd/layer/info/sheet_color' require 'psd/layer/info/solid_color' require 'psd/layer/info/typetool' require 'psd/layer/info/unicode_name' require 'psd/layer/info/vector_mask' require 'psd/layer/info/vector_origination' require 'psd/layer/info/vector_stroke' require 'psd/layer/info/vector_stroke_content' class PSD class Layer module Info # All of the extra layer info sections that we know how to parse. LAYER_INFO = { blend_clipping_elements: BlendClippingElements, blend_interior_elements: BlendInteriorElements, type: TypeTool, legacy_type: LegacyTypeTool, metadata: MetadataSetting, layer_name_source: LayerNameSource, object_effects: ObjectEffects, name: UnicodeName, section_divider: LayerSectionDivider, sheet_color: SheetColor, nested_section_divider: NestedLayerDivider, reference_point: ReferencePoint, layer_id: LayerID, fill_opacity: FillOpacity, placed_layer: PlacedLayer, locked: Locked, solid_color: SolidColor, vector_mask: VectorMask, vector_origination: VectorOrigination, vector_stroke: VectorStroke, vector_stroke_content: VectorStrokeContent, gradient_fill: GradientFill }.freeze attr_reader :adjustments alias :info :adjustments LAYER_INFO.keys.each do |key| define_method(key) { @adjustments[key] } end private # This section is a bit tricky to parse because it represents all of the # extra data that describes this layer. def parse_layer_info @extra_data_begin = @file.tell while @file.tell < @layer_end # Signature, don't need @file.seek 4, IO::SEEK_CUR # Key, very important key = @file.read_string(4) @info_keys << key length = Util.pad2 @file.read_int pos = @file.tell key_parseable = false LAYER_INFO.each do |name, info| next unless info.should_parse?(key) PSD.logger.debug "Layer Info: key = #{key}, start = #{pos}, length = #{length}" i = info.new(self, length) @adjustments[name] = LazyExecute.new(i, @file).now(:skip).later(:parse) key_parseable = true and break end unless key_parseable PSD.logger.debug "Skipping unknown layer info block: key = #{key}, length = #{length}" @file.seek length, IO::SEEK_CUR end end @extra_data_end = @file.tell end end end end