config: set a default value for blur_radius
Update the man page to include the default values of the blur config. Fixes #347 Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
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@ -399,12 +399,13 @@ Available options of the 'blur' section are: ::
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A string. Controls the blur method. Corresponds to the *--blur-method* command line option. Available choices are:
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'none' to disable blurring; 'gaussian' for gaussian blur; 'box' for box blur; 'kernel' for convolution blur with a custom kernel.
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Note: 'gaussian' and 'box' blur methods are only supported by the experimental backends.
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(default: none)
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*size*:::
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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.
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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 (default: 3).
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*deviation*:::
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A floating point number. The standard deviation for the 'gaussian' blur method. Corresponds to the *--blur-deviation* command line option.
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A floating point number. The standard deviation for the 'gaussian' blur method. Corresponds to the *--blur-deviation* command line option (default: 0.84089642).
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*kernel*:::
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A string. The kernel to use for the 'kernel' blur method, specified in the same format as the *--blur-kerns* option. Corresponds to the *--blur-kerns* command line option.
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