Gmagick::compositeimage

(PECL gmagick >= Unknown)

Gmagick::compositeimage — 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。

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-3

wallace Lau kok poh ¶

13 years ago

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');

?>

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-4

Paul Janik ¶

13 years ago

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.