Image.GIF._encode()

Image.GIF._render_block()

Method Image.GIF._gce_block()

Method _gce_block

string _gce_block(int transparency, int transparency_index, int delay, int user_input, int disposal)

Description

This function gives back a Graphic Control Extension block. A GCE block has the scope of the following render block.

Parameter transparency

Parameter transparency_index

The following image has transparency, marked with this index.

Parameter delay

View the following rendering for this many centiseconds (0..65535).

Parameter user_input

Wait the delay or until user input. If delay is zero, wait indefinitely for user input. May sound the bell upon decoding.

Parameter disposal

Disposal method number;

Note

This is in the very advanced sector of the GIF support; please read about how GIF files works.

Most decoders just ignore some or all of these parameters.

See also

_render_block , render_block