(No version information available, might only be in SVN)
A CairoFilter is used to indicate what filtering should be applied when reading pixel values from patterns. See CairoPattern::setSource() or cairo_pattern_set_source() for indicating the desired filter to be used with a particular pattern.
CairoFilter::FAST
A high-performance filter, with quality similar to CairoFilter::NEAREST
CairoFilter::GOOD
A reasonable-performance filter, with quality similar to CairoFilter::BILINEAR
CairoFilter::BEST
The highest-quality available, performance may not be suitable for interactive use.
CairoFilter::NEAREST
Nearest-neighbor filtering
CairoFilter::BILINEAR
Linear interpolation in two dimensions
CairoFilter::GAUSSIAN
This filter value is currently unimplemented, and should not be used in current code.