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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index ad5969beeb..8fda8a1600 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -16870,6 +16870,10 @@ use embedded font. Note that drawing with font file or embedded font is not implemented with custom @var{basefreq} and @var{endfreq}, use @var{axisfile} option instead. +@item font +Specify fontconfig pattern. This has lower priority than @var{fontfile}. +The : in the pattern may be replaced by | to avoid unnecessary escaping. + @item fontcolor Specify font color expression. This is arithmetic expression that should return integer value 0xRRGGBB. It can contain variables: @@ -16993,6 +16997,12 @@ fontcolor='if(mod(floor(midi(f)+0.5),12), 0x0000FF, g(1))':fontfile=myfont.ttf @end example @item +Custom font using fontconfig: +@example +font='Courier New,Monospace,mono|bold' +@end example + +@item Custom frequency range with custom axis using image file: @example axisfile=myaxis.png:basefreq=40:endfreq=10000 |