首页
学习
活动
专区
工具
TVP
发布
精选内容/技术社群/优惠产品,尽在小程序
立即前往

Imagick::trimImage

(PECL imagick 2.0.0)

Imagick::trimImage — Remove edges from the image

Description

代码语言:javascript
复制
bool Imagick::trimImage ( float $fuzz )

Remove edges that are the background color from the image. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.

Parameters

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.

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.

Examples

Example #1 Using Imagick::trimImage():

Trim an image, then display to the browser.

代码语言:javascript
复制
<?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;
?>

See Also

  • Imagick::getQuantumDepth() - Gets the quantum depth
  • Imagick::getQuantumRange() - Returns the Imagick quantum range

← Imagick::transverseImage

Imagick::uniqueImageColors →

代码语言:txt
复制
 © 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

扫码关注腾讯云开发者

领取腾讯云代金券