PHP to achieve large image automatically reduced to small map (and GD library installation)
UB 2001.10.11
I think the biggest difference between network programming and ordinary programming is that network programming, in addition to the
This article through the code to introduce the use of the GD Library in PHP to draw a line chart, which involves some simple use of the GD library in PHP, this article introduces very detailed, interested friends learn together
In PHP, there are
This article through the code to introduce the use of the GD Library in PHP to draw a line chart, which involves some simple use of the GD library in PHP, this article introduces very detailed, interested friends learn together
In PHP, there are
In PHP, there are some simple image functions can be used directly, but most of the images to be processed, you need to compile PHP in addition to the GD library. In addition to installing the GD library, additional libraries may be required in PHP,
Use the GD library to create a picture with shaded text, GD shadow
Recently, the use of GD library for the public account of the image generation, the study of the GD library text shadow effect generated at the same time also found the strong GD
The recent use of the GD library for micro-letter public accounts of the picture generation, studied the GD library text shadow effect of the generation also found the GD library strong.
GD Library, is the PHP processing graphics extension Library,
This article aims to introduce the installation of PHP image processing support. after installation, PHP supports images in GIF, PNG, JPEG, and WBMP formats. for detailed installation and setting steps of PHP, see the relevant tutorial. 1. install
Using GD library in PHP5 to generate graphics verification code
This is similar to the following
1. Create a picture with the GD library function and write the specified character on the image
Imagecreatetruecolor Create a new true color
The following approach is one way:
if (!function_exists (' imagecreate ')) {
Die (' This server does not support GD module ');
}
If not, how do I configure it? Download the GD module DLL file, modify the php.ini, restart the server.
the following
The following approach is a method:
if (!function_exists (' imagecreate ')) {
Die (' This server does not support GD module ');
}
How do I configure it if not supported? Download the DLL file of GD module, modify the php.ini, restart the
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