PHP Dokumentation: Function imagick-adaptiveresizeimage
12. Januar 2010 von werner
Imagick::adaptiveResizeImage
(PECL imagick 2.0.0)
Imagick::adaptiveResizeImage — Adaptively resize image with data dependent triangulation
Beschreibung
Adaptively resize image with data-dependent triangulation. Avoids blurring across sharp color changes. Most useful when used to shrink images slightly to a slightly smaller "web size"; may not look good when a full-sized image is adaptively resized to a thumbnail. Diese Funktion ist verfügbar, wenn Imagick gegendie ImageMagick Version 6.2.9 oder höher kompiliert wurde.
Hinweis: The behavior of the parameter bestfit changed in Imagick 3.0.0. Before this version given dimensions 400×400 an image of dimensions 200×150 would be left untouched. In Imagick 3.0.0 and later the image would be scaled up to size 400×300 as this is the "best fit" for the given dimensions. If bestfit parameter is used both width and height must be given.
Parameter-Liste
- columns
The number of columns in the scaled image.
- rows
The number of rows in the scaled image.
- bestfit
Whether to fit the image inside a bounding box.
Rückgabewerte
Liefert TRUE bei Erfolg.
Fehler/Exceptions
Wirft ImagickException bei Fehlern.
Changelog
| Version | Beschreibung |
|---|---|
| 2.1.0 | Added optional fit parameter. |
| 2.1.0 | This method now supports proportional scaling. Pass zero as either parameter for proportional scaling. |
Beispiele
Beispiel #1 Using Imagick::adaptiveResizeImage()
Resize an image to a standard size for the web. This method works best when resizing to a size only slightly smaller than the previous image size.
<?php
header('Content-type: image/jpeg');$image = new Imagick('image.jpg');
$image->adaptiveResizeImage(1024,768);echo
$image;
?>Siehe auch
- Imagick::chopImage() – Removes a region of an image and trims
- Imagick::cropImage() – Extracts a region of the image
- Imagick::magnifyImage() – Scales an image proportionally 2x
- Imagick::minifyImage() – Scales an image proportionally to half its size
- Imagick::resizeImage() – Scales an image
- Imagick::scaleImage() – Scales the size of an image
- Imagick::shaveImage() – Shaves pixels from the image edges
- Imagick::thumbnailImage() – Changes the size of an image
- Imagick::trimImage() – Remove edges from the image
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