how to resize gif image

I used some PHP implementation of the image size adjustment (image resize) function, but are not very perfect, some pictures in the adjustment after the complete deformation, there is no reason for some more lines, and some in the color brightness

Php: resize gif and png images with a transparent background turned black. Resize png In the work, you need to scale some gif images and then go to Imagecopymerge. However, after using imagecreatetruecolor and imagecopyresampled, you find that the

PHP GD Library is not able to add watermarks to GIF images, if you want to use PHP to add watermark to GIF images, you have to rely on a imagemagick function of PHP extension, it can help us to complete the function we want oh. PHP Tutorial GD

PHP uses the Imagick module to scale, crop, compress pictures including GIF images Zoom crop Copy CodeThe code is as follows:/*** Picture Clipping* Cropping rules:* 1. Height is empty or zero by width scaling height adaptive* 2. Width is empty or

This article describes how to cut, rotate, sharpen, subtract, or add special effects to php_imagick. You can call the PHP extension of ImageMagick function to make PHP have the same functions as ImageMagick. This article describes how to cut, rotate,

The php gd library cannot add watermarks to gif images. If you want to use php to add watermarks to gif images, you must use a PHP extension of the ImageMagick function, it can help us complete the functions we want. The gd library in the php

Tags: Linux, Linux-tool, PS, photo 1. Create an animated GIF on Linux with 'convert' // Synthesize all BMP files in the current directory into a GIF image animation. The interval between each frame is 0 ms and the animation is played

Copy CodeThe code is as follows: Upload file Type list $uptypes =array ( ' Image/jpg ', ' Image/jpeg ', ' Image/png ', ' Image/pjpeg ', ' Image/gif ', ' Image/bmp ', ' Image/x-png ' ); $max _file_size = 200000; Upload file size limit, unit

This article describes how to cut, rotate, sharpen, subtract, or add special effects to php_imagick. you can call the PHP extension of ImageMagick to make PHP have the same functions as ImageMagick, the powerful ImageMagick graphic processing

Copy Code code as follows: Upload file Type list $uptypes =array ( ' Image/jpg ', ' Image/jpeg ', ' Image/png ', ' Image/pjpeg ', ' Image/gif ', ' Image/bmp ', ' Image/x-png ' ); $max _file_size = 200000; Upload file size limit, unit