The following post-processing source code:
Copy CodeThe code is as follows:
Require_once ("gifencoder.php"); Loading encoded files
$gif = new Gifencoder (); Instantiate a GIF decoding object
$gif->load ("Test.gif"); Load the GIF image to decode
for
The following post-processing source code:
Copy CodeThe code is as follows:
Require_once ("gifencoder.php"); Loading encoded files
$gif = new Gifencoder (); Instantiate a GIF decoding object
$gif->load ("Test.gif"); Load the GIF image to decode
for
Today at the company, the manager lets make a scrolling subtitle. However, you are not allowed to generate GIF images. So the internet to find Gifencoder this class library. Really good, but, the application process also appeared some problems, now
I believe many people have thought how to use PHP to generate GIF animation to achieve dynamic picture verification code, the following is the implementation process.
Imagecode function through the Gifencoder class implementation of the GIF animated
Send a real-running example of a dynamic CAPTCHA image generated by PHP. Online Download a lot of error, so I integrated all aspects of the views, and finally completed such an effect.
Here are the related classes and functions that PHP needs to
Look first.
The path to the font and font files needs to be set in $fontfilepath and $fontfilename in the class. Such as:Copy the Code code as follows:private static $FontFilePath = "static/font/"; Location relative to this code fileprivate
PHP uses the GIF dynamic image verification code generated by the GIFEncoder class. I believe many people have thought about how to use PHP to generate GIF animations to implement dynamic image verification codes. The following is the implementation
Problem: after the blue dot Linux2.0 is installed, PHP programming can only process GIF images, but not JPEG images. Later, I learned that PHP used the GD library to process images, and the GD Library started to support GIF. However, because GIF
Configure PHP to support both GIF and JPEG. Problem: after the blue dot Linux2.0 is installed, PHP programming can only process GIF images, but not JPEG images. Later, I learned that PHP processed images and used the GD Library. the GD Library
Verification codes are used in many places. Here we provide a newly developed security verification code class that supports generating GIF image verification codes (with noise, interference lines, grids, random backgrounds, and random custom fonts,
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.