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.

PHP: CairoFilter - Manual Home of Manuel PHP Contents Haut

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 ;

}

PHP: CairoFilter - Manual Home of Manuel PHP Contents Haut

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.

Find a PHP function

English translation

You have asked to visit this site in English. For now, only the interface is translated, but not all the content yet.

If you want to help me in translations, your contribution is welcome. All you need to do is register on the site, and send me a message asking me to add you to the group of translators, which will give you the opportunity to translate the pages you want. A link at the bottom of each translated page indicates that you are the translator, and has a link to your profile.

Thank you in advance.

Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-class.cairofilter.html

The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.

References

Manuel PHP : http://php.net

These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.

Contents Haut