png_filter Struct Reference

A PNG filter. More...

Data Fields
unsigned int(*	unfilter )(unsigned int current, unsigned int left, unsigned int above, unsigned int above_left)
	Unfilter byte. More...

Detailed Description

A PNG filter.

Definition at line 469 of file png.c.

Field Documentation

unfilter

unsigned int( * png_filter::unfilter) (unsigned int current, unsigned int left, unsigned int above, unsigned int above_left)

Unfilter byte.

Parameters

current	Filtered current byte
left	Unfiltered left byte
above	Unfiltered above byte
above_left	Unfiltered above-left byte

Return values

current

Unfiltered current byte

Definition at line 479 of file png.c.

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The documentation for this struct was generated from the following file:

• image/png.c