From 994de197c0d5dcf38d5ab68f8f03f37a890a4458 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Sat, 2 Apr 2011 11:27:09 +0200
Subject: [PATCH] drawtext: add documentation for the shadow parameters

Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 doc/filters.texi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 4f5e2380a3..9666f582f2 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -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.