WeberDev.com PHP and MySQL Code

LOG IN
BEGINNER GUIDES  |  PHP CLASSES  |  CODE SEARCH  |  ARTICLES SEARCH  |  PHP FORUMS  |  PHP MANUAL  |  PHP FUNCTIONS LIST  |  WEB SITE TEMPLATES
Start typing to search for PHP and MySQL Code Snippets and Articles Search
Submit a code Example / Snippet Submit Your Code
Search Engine Optimization Monitor SEO Monitor
Web Site UpTime Monitor UpTime Monitor
WeberDev's Monthly code contest PHP Code Contest
Your Personal Examples List My Favorite Examples
Your Personal Articles List My Favorite Articles
Edit Account Info Update Your Profile
More Weber Sites
PHP Code Search
Web Development Forums
Learn MySQL Playing Trivia
PHPBB2 Templates
Web Development Index
PHP Web Logs (BLogs)
Web Development Resources
Web Development Content
Recommended Links
PHPClasses
PHP Editor
PHP Jobs
Vision.To Design
Ajax Tutorials
PHP Programming Help
PHP/MySQL Programming
Webmaster Resources
Webmaster Forum
XML meta language
website builder
Recommended
Forex Trading Online forex trading platform
Enhances the contrast of a color image
The Imagick class
PHP Manual

Imagick::contrastStretchImage

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

Imagick::contrastStretchImage — Enhances the contrast of a color image

Description

bool Imagick::contrastStretchImage ( float $black_point , float $white_point [, int $channel ] )
Warning

This function is currently not documented; only its argument list is available.

Enhances the contrast of a color image by adjusting the pixels color to span the entire range of colors available

Parameters

black_point

The black point.

white_point

The white point.

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Return Values

Returns TRUE on success.

The Imagick class
PHP Manual