On Tue, Jan 17, 2017 at 07:36:03PM +0800, Steven Liu wrote:
> add line_spacing parameter to set the space between two lines
>
> Based on an idea by: Leandro Santiago <leandrosansi...@gmail.com>
>
> Signed-off-by: Steven Liu <l...@chinaffmpeg.org>
> ---
> doc/filters.texi | 4 ++++
> libavfilter/vf_drawtext.c | 4 +++-
> 2 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/doc/filters.texi b/doc/filters.texi
> index 94548b1..a0c2980 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -6750,6 +6750,10 @@ option, check the "Color" section in the ffmpeg-utils
> manual.
>
> The default value of @var{boxcolor} is "white".
>
> +@item line_spacing
> +Set the line spacing in pixels of the border to be drawn around the box
> using @var{box}.
> +The default value of @var{line_spacing} is 0.
> +
> @item borderw
> Set the width of the border to be drawn around the text using
> @var{bordercolor}.
> The default value of @var{borderw} is 0.
> diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
> index 649240b..d8f7730 100644
> --- a/libavfilter/vf_drawtext.c
> +++ b/libavfilter/vf_drawtext.c
> @@ -158,6 +158,7 @@ typedef struct DrawTextContext {
> int borderw; ///< border width
> unsigned int fontsize; ///< font size to use
>
> + int line_spacing; ///< lines spacing in pixels
> short int draw_box; ///< draw box around text - true or false
> int boxborderw; ///< box border width
> int use_kerning; ///< font kerning is used - true/false
> @@ -209,6 +210,7 @@ static const AVOption drawtext_options[]= {
> {"shadowcolor", "set shadow color", OFFSET(shadowcolor.rgba),
> AV_OPT_TYPE_COLOR, {.str="black"}, CHAR_MIN, CHAR_MAX, FLAGS},
> {"box", "set box", OFFSET(draw_box),
> AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 , FLAGS},
> {"boxborderw", "set box border width", OFFSET(boxborderw),
> AV_OPT_TYPE_INT, {.i64=0}, INT_MIN, INT_MAX , FLAGS},
> + {"line_spacing", "set line spacing in pixels", OFFSET(line_spacing),
> AV_OPT_TYPE_INT, {.dbl=0}, INT_MIN, INT_MAX,FLAGS},
AV_OPT_TYPE_INT should use .i64
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Avoid a single point of failure, be that a person or equipment.
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