at this time the drawtext box extends only for the width and height
of the text. for a better visual appearance a new option was added
(boxboderw) to set how much the box should extend outside of the
text area
Signed-off-by: Liviu Oniciuc <klmno....@gmx.com>
---
libavfilter/vf_drawtext.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
mode change 100644 => 100755 libavfilter/vf_drawtext.c
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
old mode 100644
new mode 100755
index d20f805..138a32c
--- a/libavfilter/vf_drawtext.c
+++ b/libavfilter/vf_drawtext.c
@@ -159,6 +159,7 @@ typedef struct DrawTextContext {
unsigned int fontsize; ///< font size to use
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
int tabsize; ///< tab size
int fix_bounds; ///< do we let it go out of frame bounds -
t/f
@@ -201,6 +202,7 @@ static const AVOption drawtext_options[]= {
{"fontcolor", "set foreground color", OFFSET(fontcolor.rgba),
AV_OPT_TYPE_COLOR, {.str="black"}, CHAR_MIN, CHAR_MAX, FLAGS},
{"fontcolor_expr", "set foreground color expression",
OFFSET(fontcolor_expr), AV_OPT_TYPE_STRING, {.str=""}, CHAR_MIN, CHAR_MAX,
FLAGS},
{"boxcolor", "set box color", OFFSET(boxcolor.rgba),
AV_OPT_TYPE_COLOR, {.str="white"}, CHAR_MIN, CHAR_MAX, FLAGS},
+ {"boxborderw", "set box border width", OFFSET(boxborderw),
AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX , FLAGS},
{"bordercolor", "set border color", OFFSET(bordercolor.rgba),
AV_OPT_TYPE_COLOR, {.str="black"}, CHAR_MIN, CHAR_MAX, FLAGS},
{"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_INT, {.i64=0}, 0, 1 , FLAGS},
@@ -1245,7 +1247,9 @@ static int draw_text(AVFilterContext *ctx, AVFrame *frame,
if (s->draw_box)
ff_blend_rectangle(&s->dc, &s->boxcolor,
frame->data, frame->linesize, width, height,
- s->x, s->y, box_w, box_h);
+ s->x - s->boxborderw, s->y - s->boxborderw,
+ box_w + s->boxborderw + s->boxborderw,
+ box_h + s->boxborderw + s->boxborderw);
if (s->shadowx || s->shadowy) {
if ((ret = draw_glyphs(s, frame, width, height,
--
1.9.1
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