Image format AVIF and WebP
I just knew there was a new image format, AVIF, when I saved a picture from the Homedepot website. I did a very brief research and found it is a format based on the AV1 video format. The AVIF generally...
Tag: jpeg
The way to check if JPEG file is progressive or not
There are two type of JPEG picture file. Regular JPEG, or baseline JPEG. Progressive JPEG, or Interlace JPEG. It is very common, same quality picture, progressive jpeg is smaller than regular jpeg. And also progressive jpeg can show the content...
Some changes on Timthumb script
What is Timthumb? It is a small php script for cropping, zooming and resizing web images (jpg, png, gif). Here is the official place to donwload the script. https://code.google.com/p/timthumb/ Even the developers said it is not supported any more,...
Enable jpeg in PHP GD support
I have a PHP 5.5.13 which is compiled from source. With GD support. I saw some image thumb is not shown in the webpage of Joomla. The error log has following errors: Call to undefined function: imagecreatefromjpeg() When I check...