Update man pages about blur method options

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
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Yuxuan Shui 2019-06-09 19:32:23 +01:00
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@ -392,6 +392,7 @@ Available options of the 'blur' section are: ::
*method*::: *method*:::
A string. Controls the blur method. Corresponds to the `--blur-method` command line option. Available choices are: A string. Controls the blur method. Corresponds to the `--blur-method` command line option. Available choices are:
'none' to disable blurring; 'gaussian' for gaussian blur; 'box' for box blur; 'kernel' for convolution blur with a custom kernel. 'none' to disable blurring; 'gaussian' for gaussian blur; 'box' for box blur; 'kernel' for convolution blur with a custom kernel.
Note: 'gaussian' and 'box' blur methods are only supported by the experimental backends.
*size*::: *size*:::
An integer. The size of the blur kernel, required by 'gaussian' and 'box' blur methods. For the 'kernel' method, the size is included in the kernel. Corresponds to the `--blur-size` command line option. An integer. The size of the blur kernel, required by 'gaussian' and 'box' blur methods. For the 'kernel' method, the size is included in the kernel. Corresponds to the `--blur-size` command line option.