Php/docs/imagick.opaquepaintimage
来自菜鸟教程
Imagick::opaquePaintImage
(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::opaquePaintImage — Changes the color value of any pixel that matches target
说明
public Imagick::opaquePaintImage
( mixed $target
, mixed $fill
, float $fuzz
, bool $invert
[, int $channel
= Imagick::CHANNEL_DEFAULT
] ) : bool
Changes any pixel that matches color with the color defined by fill. 此方法在Imagick基于ImageMagick 6.3.8以上版本编译时可用。
参数
target
- ImagickPixel object or a string containing the color to change
fill
- The replacement color
fuzz
- The amount of fuzz. For example, set fuzz to 10 and the color red at intensities of 100 and 102 respectively are now interpreted as the same color.
invert
- If
true
paints any pixel that does not match the target color. channel
- Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. 缺省为
Imagick::CHANNEL_DEFAULT
. 参考此 通道常数列表
返回值
成功时返回 true
。