The Imagick class
PHP Manual

Imagick::trimImage

(PECL imagick 2.0.0)

Imagick::trimImageRemove edges from the image

Описание

bool Imagick::trimImage ( float $fuzz )

Remove edges that are the background color from the image. Този метод съществува ако Imagick е била компилирана за версия 6.2.9 на ImageMagick или по-нова.

Параметри

fuzz

By default target must match a particular pixel color exactly. However, in many cases two colors may differ by a small amount. The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same. This parameter represents the variation on the quantum range.

Връщани стойности

Връща TRUE при успех.

Грешки/Изключения

Хвърля ImagickException при грешка.

Примери

Example #1 Using Imagick::trimImage():

Trim an image, then display to the browser.

<?php
/* Create the object and read the image in */
$im = new Imagick("image.jpg");

/* Trim the image. */
$im->trimImage(0);

/* Ouput the image */
header("Content-Type: image/" $im->getImageFormat());
echo 
$im;
?>

Вж. също


The Imagick class
PHP Manual