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PHP

Copy and merge part of an image


imagecopymerge

(PHP 4 >= 4.0.1, PHP 5)

imagecopymergeCopy and merge part of an image

Description

bool imagecopymerge ( resource $dst_im , resource $src_im , int $dst_x , int $dst_y , int $src_x , int $src_y , int $src_w , int $src_h , int $pct )

Copy a part of src_im onto dst_im starting at the x,y coordinates src_x, src_y with a width of src_w and a height of src_h. The portion defined will be copied onto the x,y coordinates, dst_x and dst_y.

Parameters

dst_im

Destination image link resource.

src_im

Source image link resource.

dst_x

x-coordinate of destination point.

dst_y

y-coordinate of destination point.

src_x

x-coordinate of source point.

src_y

y-coordinate of source point.

src_w

Source width.

src_h

Source height.

pct

The two images will be merged according to pct which can range from 0 to 100. When pct = 0, no action is taken, when 100 this function behaves identically to imagecopy() for pallete images, while it implements alpha transparency for true colour images.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 Merging two copies of the PHP.net logo with 75% transparency

<?php
// Create image instances
$dest imagecreatefromgif('php.gif');
$src imagecreatefromgif('php.gif');

// Copy and merge
imagecopymerge($dest$src1010001004775);

// Output and free from memory
header('Content-Type: image/gif');
imagegif($dest);

imagedestroy($dest);
imagedestroy($src);
?>



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