The CairoFilter class
(No version information available, might only be in Git)
Introdução
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.
Sinopse da classe
CairoFilter
{
/* Constantes */
const
integer
FAST
= 0
;
const
integer
GOOD
= 1
;
const
integer
BEST
= 2
;
const
integer
NEAREST
= 3
;
const
integer
BILINEAR
= 4
;
const
integer
GAUSSIAN
= 5
;
}Constantes pré-definidas
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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