Problem: after the blue dot Linux2.0 is installed, PHP programming can only process GIF images, but not JPEG images. Later, I learned that PHP used the GD library to process images, and the GD Library started to support GIF. However, because GIF
Pages use progressive JPEG to improve user experience and progressive jpeg
Today, we realized that there are two ways to save JPEG files: Baseline JPEG (standard) and Progressive JPEG (Progressive ). The two formats have the same size and image data,
Problem: After Blue Point Linux 2.0 is installed, PHP programming can only process GIF images, but not JPEG images. Later I learned that PHP used the GD library to process images, and the GD library started to support GIF. However, due to the use of
Problem: After Blue Point Linux 2.0 is installed, PHP programming is performed, and only GIF images can be processed, but JPEG images cannot be processed. Later, I learned that PHP used the GD library to process images, and the GD library started to
There are two ways to save the JPEG file format. They are baseline JPEG and progressive JPEG.
Both formats have the same size and image data, and their extensions are the same, and the only difference is the way they are displayed.
Baseline
Pages use progressive JPEG to improve user experience and progressive jpeg. The page uses progressive JPEG to improve user experience. Today, progressive jpeg realized that there are two ways to save the original JPEG File: BaselineJPEG (standard)
The JPEG file format can be saved in two ways. They are Baseline JPEG and Progressive JPEG.
The two formats have the same size and image data, and their extensions are the same. The only difference is that they are displayed differently.
Baseline
There are two ways to save a JPEG file format. They are baseline JPEG and progressive JPEG.
Both formats have the same size and image data, and their extensions are the same, and the only difference is that they are displayed in a different way.
PHP converts a JPEG image to ProgressiveJPEG. The JPEG file format can be saved in two ways. They are BaselineJPEG and ProgressiveJPEG. the two formats have the same size and image data, and their extensions are the same. The only difference is that
Event Origin: Discuz Background to open the Chinese code hint said does not support FreeType, but FreeType seems to need GD2 call to take effect.So the installation of GD2, installation of GD2 by the time the installation of Jpeg,png,zlibThe
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