Package: cairo

CEnum cairo:filter-t

Declaration

(cffi:defcenum filter-t
  :fast
  :good
  :best
  :nearest
  :bilinear
  :gaussian)

Values

:fast
A high-performance filter, with quality similar to :nearest.
:good
A reasonable-performance filter, with quality similar to :bilinear.
:best
The highest-quality available, performance may not be suitable for interactive use.
:nearest
Nearest-neighbor filtering.
:bilinear
Linear interpolation in two dimensions.
:gaussian
This filter value is currently unimplemented, and should not be used in current code.

Details

The cairo:filter-t enumeration is used to indicate what filtering should be applied when reading pixel values from patterns. See the cairo:pattern-filter function for indicating the desired filter to be used with a particular pattern.
 

See also

cairo:pattern-t
cairo:pattern-filter
2025-09-20