PHP using JPG to generate animated GIF images _php tutorial

PHP uses the Php_imagick_st-q8.dll class library, the JPG images connected to generate animated GIF images, you need to download the Php_imagick_st-q8.dll, file, and configure php.ini file, enable Php_imagick_ St-q8.dll. The configuration method is as follows:

1. Put the downloaded Php_imagick_st-q8.dll file in the PHP default extension directory, i.e.: php/ext/directory;

2, open php.ini, in the extension area to join this trip, note that the front does not have ";"

Extension=php_imagick_st-q8.dll

3. Restart Apache or IIS.

4. PHP functions are as follows:

01

02//a sequence of pictures that define JPG

03$filelist = Array (

"1.jpg",

' 2.jpg ',

' 3.jpg ',

' 4.jpg '

08);

09$type = ' gif ';

10$num = 200;

11$qian = ' New_ ';

12$path = './gif/';

13$is = 1;

14//a function to generate GIF pictures

15get_img ($filelist, $type, $num, $qian, $path, $is);

16/*

* get_img Pictures merged to generate GIF dynamic

* $filelist array of images to be merged

* $type Generated type

* The number of frames generated $num

* $qian new filename prefix

* $path Hold Path

* $is Preview

24 */

25function get_img ($filelist, $type, $num, $qian, $path, $is)

26{

27//Initialize class

$animation = new Imagick ();

29//Set the generated format

$animation->setformat ($type);

-foreach ($filelist as $file) {

$image = new Imagick ();

$image->readimage ($file); Merging pictures

$animation->addimage ($image); Add to Object

$animation->setimagedelay ($num); Set the number of picture frames

Unset ($image); Clears the memory image and frees up memory

37}

38//The following two lines are used for debugging, testing whether a GIF picture is generated

//header ("Content-type:image/gif");

//echo ($animation->getimagesblob ());

41//generated GIF file name combination

$images = $qian. Time (). '.' . $type;

43//Create GIF pictures

$animation->writeimages ($images, true);

45//Save GIF to specified folder

Copy ($images, $path. $images);

47//Whether preview

if ($is)

49 {

Echo ' has generated a GIF image: '. $images. '

';

echo "

";

52}

+ Else

54 {

Echo ' has generated a GIF image: '. $images. '

';

56}

57//Delete the original saved picture

Unlink ($images);

59}

60?>

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