(PECL imagick 2.0.0)
Imagick::paintOpaqueImage — Change any pixel that matches color
$target
, mixed $fill
, float $fuzz
[, int $channel = Imagick::CHANNEL_ALL
] )Changes any pixel that matches color with the color defined by fill.
target
Change this target color to the fill color within the image. An ImagickPixel object or a string representing the target color.
fill
An ImagickPixel object or a string representing the fill color.
fuzz
The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same.
channel
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.
成功时返回 TRUE。
错误时抛出 ImagickException。
| 版本 | 说明 |
|---|---|
| 2.1.0 | Now allows a string representing the color as first and second parameter. Previous versions allow only an ImagickPixel object. |
Hassan R dot Bhutta duckscode at gmail dot com (2011-10-15 10:57:58)
<?php
$im = new Imagick( "example.jpg" );
$im->paintTransparentImage ('white', 0.0 , 20 );
$im->WriteImage('myimage.jpg');