psd_tools.psd.layer_and_mask

Layer and mask data structure.

LayerAndMaskInformation

class psd_tools.psd.layer_and_mask.LayerAndMaskInformation(layer_info=None, global_layer_mask_info=None, tagged_blocks=None)[source]

Layer and mask information section.

layer_info: See LayerInfo.

global_layer_mask_info: See GlobalLayerMaskInfo.

tagged_blocks: See TaggedBlocks.

LayerInfo

class psd_tools.psd.layer_and_mask.LayerInfo(layer_count: int = 0, layer_records=None, channel_image_data=None)[source]

High-level organization of the layer information.

layer_count: Layer count. If it is a negative number, its absolute value is the number of layers and the first alpha channel contains the transparency data for the merged result.

layer_records: Information about each layer. See LayerRecords.

channel_image_data: Channel image data. See ChannelImageData.

GlobalLayerMaskInfo

class psd_tools.psd.layer_and_mask.GlobalLayerMaskInfo(overlay_color=None, opacity: int = 0, kind=GlobalLayerMaskKind.PER_LAYER)[source]

Global mask information.

overlay_color: Overlay color space (undocumented) and color components.

opacity: Opacity. 0 = transparent, 100 = opaque.

kind: Kind. 0 = Color selected–i.e. inverted; 1 = Color protected; 128 = use value stored per layer. This value is preferred. The others are for backward compatibility with beta versions.

LayerRecords

class psd_tools.psd.layer_and_mask.LayerRecords(items=NOTHING)[source]: List of layer records. See LayerRecord.

LayerRecord

class psd_tools.psd.layer_and_mask.LayerRecord(top: int = 0, left: int = 0, bottom: int = 0, right: int = 0, channel_info: list[ChannelInfo] = NOTHING, signature: bytes = b'8BIM', blend_mode=BlendMode.NORMAL, opacity: int = 255, clipping=Clipping.BASE, flags=NOTHING, mask_data=None, blending_ranges=NOTHING, name: str = '', tagged_blocks: TaggedBlocks = NOTHING)[source]

Layer record.

top: Top position.

left: Left position.

bottom: Bottom position.

right: Right position.

channel_info: List of ChannelInfo.

signature: Blend mode signature b'8BIM'.

blend_mode: Blend mode key. See BlendMode.

opacity: Opacity, 0 = transparent, 255 = opaque.

clipping: Clipping, 0 = base, 1 = non-base. See Clipping.

flags: See LayerFlags.

mask_data: MaskData or None.

blending_ranges: See LayerBlendingRanges.

name: Layer name.

tagged_blocks: See TaggedBlocks.

property channel_sizes: List of channel sizes: [(width, height)].

property height: Height of the layer.

property width: Width of the layer.

LayerFlags

class psd_tools.psd.layer_and_mask.LayerFlags(transparency_protected: bool = False, visible: bool = True, obsolete: bool = False, photoshop_v5_later: bool = True, pixel_data_irrelevant: bool = False, undocumented_1: bool = False, undocumented_2: bool = False, undocumented_3: bool = False)[source]

Layer flags.

Note there are undocumented flags. Maybe photoshop version.

transparency_protected

visible

pixel_data_irrelevant

LayerBlendingRanges

class psd_tools.psd.layer_and_mask.LayerBlendingRanges(composite_ranges=NOTHING, channel_ranges=NOTHING)[source]

Layer blending ranges.

All ranges contain 2 black values followed by 2 white values.

composite_ranges: List of composite gray blend source and destination ranges.

channel_ranges: List of channel source and destination ranges.

MaskData

class psd_tools.psd.layer_and_mask.MaskData(top: int = 0, left: int = 0, bottom: int = 0, right: int = 0, background_color: int = 0, flags=NOTHING, parameters=None, real_flags=None, real_background_color=None, real_top=None, real_left=None, real_bottom=None, real_right=None)[source]

Mask data.

Real user mask is a final composite mask of vector and pixel masks.

top: Top position.

left: Left position.

bottom: Bottom position.

right: Right position.

background_color: Default color. 0 or 255.

flags: See MaskFlags.

parameters: MaskParameters or None.

real_flags: Real user mask flags. See MaskFlags.

real_background_color: Real user mask background. 0 or 255.

real_top: Top position of real user mask.

real_left: Left position of real user mask.

real_bottom: Bottom position of real user mask.

real_right: Right position of real user mask.

property height: Height of the mask.

property real_height: Height of real user mask.

property real_width: Width of real user mask.

property width: Width of the mask.

MaskFlags

class psd_tools.psd.layer_and_mask.MaskFlags(pos_relative_to_layer: bool = False, mask_disabled: bool = False, invert_mask: bool = False, user_mask_from_render: bool = False, parameters_applied: bool = False, undocumented_1: bool = False, undocumented_2: bool = False, undocumented_3: bool = False)[source]

Mask flags.

pos_relative_to_layer: Position relative to layer.

mask_disabled: Layer mask disabled.

invert_mask: Invert layer mask when blending (Obsolete).

user_mask_from_render: The user mask actually came from rendering other data.

parameters_applied: The user and/or vector masks have parameters applied to them.

MaskParameters

class psd_tools.psd.layer_and_mask.MaskParameters(user_mask_density=None, user_mask_feather=None, vector_mask_density=None, vector_mask_feather=None)[source]

Mask parameters.

user_mask_density

user_mask_feather

vector_mask_density

vector_mask_feather

ChannelInfo

class psd_tools.psd.layer_and_mask.ChannelInfo(id=ChannelID.CHANNEL_0, length: int = 0)[source]

Channel information.

id: Channel ID: 0 = red, 1 = green, etc.; -1 = transparency mask; -2 = user supplied layer mask, -3 real user supplied layer mask (when both a user mask and a vector mask are present). See ChannelID.

length: Length of the corresponding channel data.

ChannelImageData

class psd_tools.psd.layer_and_mask.ChannelImageData(items=NOTHING)[source]

List of channel data list.

This size of this list corresponds to the size of LayerRecords. Each item corresponds to the channels of each layer.

See ChannelDataList.

ChannelDataList

class psd_tools.psd.layer_and_mask.ChannelDataList(items=NOTHING)[source]

List of channel image data, corresponding to each color or alpha.

See ChannelData.

ChannelData

class psd_tools.psd.layer_and_mask.ChannelData(compression=Compression.RAW, data: bytes = b'')[source]

Channel data.

compression: Compression type. See Compression.

data: Data.

get_data(width, height, depth, version=1)[source]

Get decompressed channel data.

Parameters:

width – width.
height – height.
depth – bit depth of the pixel.
version – psd file version.

Return type:

bytes

set_data(data, width, height, depth, version=1)[source]

Set raw channel data and compress to store.

Parameters:

data – raw data bytes to write.
compression – compression type, see Compression.
width – width.
height – height.
depth – bit depth of the pixel.
version – psd file version.