gd starting lines

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,

About GD LibraryGD refers to the graphic device,php of the GD library is used to process graphics extension library, through the GD Library provides a series of APIs, you can process the image or directly generate new images.In addition to the text

1. From which we can see the role of the Imagecreatetruecolor function is obviously to create a black background image, its first parameter is the width of the created picture, the second parameter is the height of the created picture, we put the

1. From which we can see that the function of the imagecreatetruecolor is obviously to create a black background picture, its first parameter is the width of the created picture, the second parameter is the height of the created picture, we put the

Canvas is an important new label in H5, and it has to appear not only to make the front-end graphics and charting functionality become exceptionally powerful, but also to use extremely strong performance to enrich the front-end rendering of the page'

Using PHP to create images is a fairly easy thing to do. As long as you install some Third-party library files and have some knowledge of geometry, you can use PHP to create and process images. PHP currently uses the GD library to process images.

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Server-lamp installation note Server OS: cent osapache: http-2.2.11PHP: PHP-5.2.9Mysql: 5.1.32 GD: gd-2.0.35 JPEG: jpeg-6blibpng: libpng-1.2.35libxml2: libxml2-2.6.19freetype: freetype-2.3.9: Zendoptimizer: ZendOptimizer-3.3.0a-linux-glibc21-i386