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drawtext: add documentation for the shadow parameters

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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Stefano Sabatini 2011-04-02 11:27:09 +02:00 committed by Anton Khirnov
parent c5420f100f
commit 994de197c0
1 changed files with 11 additions and 0 deletions
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doc/filters.texi
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@ -417,6 +417,17 @@ Used to draw a box around text using background color.
Value should be either 1 (enable) or 0 (disable).
The default value of @var{box} is 0.
@item shadowx, shadowy
The x and y offsets for the text shadow position with respect to the
position of the text. They can be either positive or negative
values. Default value for both is "0".
@item shadowcolor
The color to be used for drawing a shadow behind the drawn text. It
can be a color name (e.g. "yellow") or a string in the 0xRRGGBB[AA]
form (e.g. "0xff00ff"), possibly followed by an alpha specifier.
The default value of @var{shadowcolor} is "black".
@item ft_load_flags
Flags to be used for loading the fonts.