swf_fonttracking
(PHP 4)
swf_fonttracking — Set the current font tracking
说明
void swf_fonttracking
( float $tracking
)
Set the font tracking to the value specified by the tracking parameter. This function is used to increase the spacing between letters and text, positive values increase the space and negative values decrease the space between letters.
参数
- tracking
-
The font tracking.
返回值
无返回值。
