Reading that document on Macromedia's site gives me light.
http://www.macromedia.com/support/flash/ts/documents/beziers.htm
It says, swf format only supports quadratic beziers, what less accurate than cubic beziers, but easy to render fast. I think, in swf file's beziers are quadratic interpolation of better looking quadratic beziers. Threshold value drives this accuracy (more control nodes, bigger files)
ming_setcubicthreshold
(PHP 4 >= 4.0.5, PHP 5, PECL ming SVN)
ming_setcubicthreshold — تعیین آستانه مکعب
Description
void ming_setcubicthreshold
( int $threshold
)
تعیین آستانه خطا برای رسم bezier مکعبی.
Parameters
- threshold
-
آستانه. پایینتر دقیقتر است پس اندازه فایل بزرگتر میشود.
Return Values
No value is returned.
cece at php dot net ¶
10 years ago
