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The CairoFilter class


The CairoFilter class

(No version information available, might only be in Git)

Introduction

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.

Class synopsis

CairoFilter {
/* Constants */
const integer FAST = 0 ;
const integer GOOD = 1 ;
const integer BEST = 2 ;
const integer NEAREST = 3 ;
const integer BILINEAR = 4 ;
const integer GAUSSIAN = 5 ;
}

Predefined Constants

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.



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