Aspose.PSD FOSS for Python

API reference for Aspose.Psd FOSS for Python. 64 public types organized by module.

Core API

Class	Description
`BigEndianReader`	Reads big-endian data from a stream.
`BigEndianWriter`	BigEndianWriter.position property returns the current write offset in the underlying stream.
`Image`	Abstract base class for image objects.
`ImageLoader`	Provides the load functionality for images.
`LayerAndMaskSectionReader`	Class with 1 method.
`LayerAndMaskSectionWriter`	Writes PSD/PSB Layer and Mask Information sections.
`Point`	The Point class provides empty() to obtain a zero point and equals(other) to compare coordinates; its properties include x, y, is_empty, and the static Empty.
`PsdImage`	Represents a PSD image that can be loaded, inspected, and saved without rendering.
`PsdSectionReader`	Provides bounded reads for PSD/PSB sections that are stored in memory by this implementation.
`Rectangle`	Stores a set of four integers that represent the location and size of a rectangle.
`RectangleF`	Stores a set of four floating-point numbers that represent the location and size of a rectangle.
`ResourceBlock`	Represents a PSD image resource block.
`Size`	Class with 3 methods and 5 properties.
`StreamContainer`	Represents a stream container used by resource save APIs.

Enumerations

Enumeration	Description
`ColorModes`	Defines the color modes supported by PSD files.
`CompressionMethod`	Defines the compression methods used for image data in PSD files.
`PsdVersion`	Enum with 2 members.
`ResourceBlockState`	Represents resource block state.
`SeekOrigin`	Defines seek origin for reader.

Conversion

Class	Description
`BigEndianBitConverter`	Provides helper methods for reading big-endian primitive values from byte arrays.

Coreexceptions

Class	Description
`ArgumentNullException`	Exception that is thrown when argument is null.
`NotSupportedException`	Exception that is thrown when operation is not supported.
`PsdLoadException`	Exception that is thrown when an error occurs while loading a PSD file.
`PsdSaveException`	Initializes a new instance of the PsdSaveException class.

Layers

Class	Description
`BlendRange`	Represents a PSD layer blend range.
`ChannelInformation`	Represents PSD layer channel information.
`GlobalLayerMaskInfo`	Class with 1 method.
`Layer`	Layer channel IDs and data lengths are available via the PsdLayerChannelInfo properties channel_id and data_length.
`LayerBlendModeMapper`	Class with 2 methods and 1 member.
`LayerBlendingRangesData`	Represents PSD layer blending ranges data.
`LayerBlendingRangesInfo`	Class with 1 method and 2 properties.
`LayerChannelInfo`	Stores one channel metadata entry from a layer record.
`LayerMaskData`	Defines the base class for PSD layer mask data.
`LayerMaskDataShort`	Defines layer mask data for layers that have only a raster or vector mask.
`LayerMaskInfo`	Class with 1 method and 2 properties.
`LayerRawData`	Class with 4 methods and 7 properties.
`LayerRecordReader`	Class with 1 method and 3 members.
`LayerRecordWriter`	Writes PSD/PSB layer records from the in-memory Layer model.
`LayerResource`	Class with 1 method and 4 properties and 2 members.
`PsdLayerChannelInfo`	Provides a read-only summary of one parsed layer channel record.
`RawLayerBlendingRangesSection`	Class with 3 methods and 1 property.
`RawLayerMaskSection`	Class with 3 methods and 1 property.

Enumerations

Enumeration	Description
`BlendMode`	Defines the blend modes used for layers in PSD files.
`LayerMaskFlags`	Defines PSD layer mask flags.

Loaders

Class	Description
`PsdImageLoader`	Class with 1 method.

Resources

Class	Description
`ImageResourceIds`	Provides common PSD image resource identifiers used by tests and fixtures.
`IndexedColorPalette`	Class with 3 methods and 1 property and 1 member.
`IndexedColorPaletteInfo`	Provides a read-only view over an indexed-color PSD palette.
`PreservedResourceBlock`	Adapts a raw‑preserved image resource to the official ResourceBlock surface.
`PsdResourceInfo`	Provides a read-only summary of one parsed PSD image resource block.
`UnknownResource`	Initializes a new instance of the UnknownResource class.

Enumerations

Enumeration	Description
`PsdResourceKind`	Enum with 4 members.

Sections

Class	Description
`ColorData`	Stores the PSD Color Mode Data section as raw bytes plus mode‑aware parsed structure when available.
`ImageData`	Stores the PSD Image Data section as a compression header plus raw payload bytes.
`ImageDataStructure`	Describes the validated structural layout of the PSD Image Data payload.
`ImageResourcesSection`	Represents the PSD Image Resources section as raw‑preserved bytes plus unknown‑only parsed summaries.
`LayerAndMaskSection`	Represents the PSD/PSB Layer and Mask Information section and its raw-preserved save state.
`PsdColorDataInfo`	Provides a read-only summary of the PSD Color Mode Data section.
`PsdHeader`	Contains the header information of a Photoshop document.
`PsdImageDataInfo`	Class with 1 method and 5 properties.
`PsdImageDocumentState`	Stores parsed PSD/PSB document sections used by PsdImage.

Enumerations

Enumeration	Description
`ImageDataKind`	Identifies the structural shape of the PSD Image Data payload.
`PsdColorDataKind`	Describes how the Color Mode Data payload was interpreted for the loaded document.

Writedescriptors

Class	Description
`PsdImageWriter`	Writes parsed PSD/PSB document state to a stream.

See Also

Aspose.PSD for Python — Enterprise API Reference