Php/docs/imagick.colorizeimage
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Imagick::colorizeImage
(PECL imagick 2, PECL imagick 3)
Imagick::colorizeImage — Blends the fill color with the image
说明
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. |
范例
Example #1 Imagick::colorizeImage()
<?phpfunction 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();}?>