imagejpeg

Array getimagesize (string $filename [, Array & $imageinfo]) gets the image size Resource Imagecreatetruecolor (int $x _size, int $y _size) New one true color image Resource Imagecreatefromjpeg (string $filename) creates a new image from a JPEG file

First, create picture resources Imagecreatetruecolor (Width,height);Imagecreatefromgif (picture name);Imagecreatefrompng (picture name);Imagecreatefromjpeg (picture name), draw a variety of image imagegif (picture resources, save path);Imagepng

The nonsense does not say, pastes the code: Copy CodeThe code is as follows: /************************************ Functions: Watermark ($bigimg, $smallimg, $coord = 1) Role: Add watermarks Parameters: $bigimg must be selected. Big picture--a

Using PHP to upload the image watermark program is to determine the file type to build graphics, and then copy it to the original set up the graphics, fill and build rectangle, in order to write imagestring () or the original has been fixed image

 1. Picture processing class. imagecls.php 2.get_spec_img () calls the picture class, and then saves the picture with a different specification and returns a picture connection in the following way thumb" _path, $width, $height, $gen, true, "",

The processing method is: 1. When the original image of the width or height of any smaller than the specified size, only to carry out, such as abbreviated processing, 2. When the original image of the width and height are larger than the specified

PHP to generate thumbnail images: To use PHP to generate thumbnail images, make sure your PHP server has the GD2 graphics library installed Use a class to generate a thumbnail of the picture, the source of the class is shown below Calling methods

Thumbnail image Create thumbnails and copyright classes for pictures Recently a few days to look at the image processing of PHP features, the previous demand in this area is relatively small, there is no way to see, recently have a look. Feel the

Thumbnail image The classic PHP thumbnail generation program, based on the GD library, can specify the build path and build target of the wide-high detailsUsage: In a PHP environment that supports the GD library, save the following code as a