Gmagick::compositeimage()
(PECL gmagick >= Unknown)
Composite one image onto another
说明
public Gmagick::compositeimage(Gmagick$source,int $COMPOSE,int $x,int $y): Gmagick
Composite one image onto another at the specified offset.
参数
- $source
Gmagick object which holds the composite image
- $compose
Composite operator.
- $x
The column offset of the composited image
- $y
The row offset of the composited image
返回值
The Gmagick object with compositions.
错误／异常
错误时抛出GmagickException。
The second parameter, $COMPOSE, has 3 usable values: 1 = the image is displayed normally; 2 = the image is displayed on a white background; 3 = the image is display in black on a white background; Paul.
Quick script for stamping a small image on a large image
#!/usr/bin/php
<?php
// <wallace@wallacelau.com>
//Instantiate a new Gmagick object
$imgMain = new Gmagick('Torso_F.tiff');
// get the image width
$width = (int) ($imgMain->getimagewidth() /2) - 150;
//Instantiate a barcode img Gmagick object
$imgBarcode = new Gmagick('barcode.jpeg');
//stamp the barcode on top of the Main image
$imgMain->compositeimage($imgBarcode, 1, $width, 150);
//Write the current image at the current state to a file
$imgMain->write('withBarcode.tiff');
?>