Imagick::colorizeImage

(PECL imagick 2, PECL imagick 3)

Imagick::colorizeImageBlends the fill color with the image

说明

public Imagick::colorizeImage(mixed $colorize, mixed $opacity, bool $legacy = false): bool

Blends the fill color with each pixel in the image.

参数

colorize

ImagickPixel object or a string containing the colorize color

opacity

ImagickPixel object or an float containing the opacity value. 1.0 is fully opaque and 0.0 is fully transparent.

返回值

成功时返回 true

错误/异常

错误时抛出 ImagickException。

更新日志

版本 说明
PECL imagick 2.1.0 Now allows a string representing the color as the first parameter and a float representing the opacity value as the second parameter. Previous versions allow only an ImagickPixel objects.

示例

示例 #1 Imagick::colorizeImage()

<?php
function colorizeImage($imagePath, $color, $opacity) {
$imagick = new \Imagick(realpath($imagePath));
$opacity = $opacity / 255.0;
$opacityColor = new \ImagickPixel("rgba(0, 0, 0, $opacity)");
$imagick->colorizeImage($color, $opacityColor);
header("Content-Type: image/jpg");
echo
$imagick->getImageBlob();
}

?>

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