Imagick::mergeImageLayers

(PECL imagick 2.1.0)

Imagick::mergeImageLayers — Merges image layers

说明

Imagick Imagick::mergeImageLayers ( int $layer_method )

Merges image layers into one. This method is useful when working with image formats that use multiple layers such as PSD. The merging is controlled using the layer_method which defines how the layers are merged. 此方法在Imagick基于ImageMagick 6.3.7以上版本编译时可用。

参数

layer_method: One of the Imagick::LAYERMETHOD_* constants

返回值

Returns an Imagick object containing the merged image.

错误／异常

错误时抛出 ImagickException。

参见

Imagick::flattenImages() - Merges a sequence of images

范例

Example #1 Imagick::mergeImageLayers()

  <?php
 function  mergeImageLayers ( $layerMethodType ,  $imagePath1 ,  $imagePath2 ) {

     $imagick  = new \ Imagick ( realpath ( $imagePath ));

     $imagick2  = new \ Imagick ( realpath ( $imagePath2 ));
     $imagick -> addImage ( $imagick2 );
     $imagick -> setImageFormat ( 'png' );

     $result  =  $imagick -> mergeImageLayers ( $layerMethodType );
     header ( "Content-Type: image/png" );
    echo  $result -> getImageBlob ();
}

 ?>