pytoshop.blending_range

Manage blending ranges.

class pytoshop.blending_range.BlendingRange(black0=0, black1=0, white0=0, white1=0, _values=None)

Bases: object

Blending range data.

Comprises 2 black values and 2 white values.

black0

black1

classmethod read(fd)

Instantiate from a file-like object.

Parameters:

• fd (file-like object) – Must be readable, seekable and open in binary mode.
• header (PsdFile object) – An object to get global file information from.

white0

white1

write(fd, header)

Write to a file-like object.

Parameters:

• fd (file-like object) – Must be writable, seekable and open in binary mode.
• header (PsdFile object) – An object to get global file information from.

class pytoshop.blending_range.BlendingRangePair(src=None, dst=None)

Bases: object

Blending range pair.

The combination of a source and destination blending range.

dst

length(header)

The length of the section, in bytes, not including its header.

classmethod read(fd)

Instantiate from a file-like object.

Parameters:

• fd (file-like object) – Must be readable, seekable and open in binary mode.
• header (PsdFile object) – An object to get global file information from.

src

total_length(header)

The length of the section, in bytes, including its header.

write(fd, header)

Write to a file-like object.

Parameters:

• fd (file-like object) – Must be writable, seekable and open in binary mode.
• header (PsdFile object) – An object to get global file information from.

class pytoshop.blending_range.BlendingRanges(composite_gray_blend=None, channels=None)

Bases: object

All of the layer blending range data.

Consists of a composite gray blend pair followed by N additional pairs.

channels

List of additional BlendingRangePair instances.

composite_gray_blend

Composite gray BlendingRangePair.

length(header)

The length of the section, in bytes, not including its header.

classmethod read(fd, num_channels)

Instantiate from a file-like object.

Parameters:

• fd (file-like object) – Must be readable, seekable and open in binary mode.
• header (PsdFile object) – An object to get global file information from.

total_length(header)

The length of the section, in bytes, including its header.

write(fd, header)

Write to a file-like object.

Parameters:

• fd (file-like object) – Must be writable, seekable and open in binary mode.
• header (PsdFile object) – An object to get global file information from.