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PHP - Manual: ming_setcubicthreshold - 互联网笔记

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PHP - Manual: ming_setcubicthreshold

2025-06-09

ming_setcubicthreshold

(PHP 4 >= 4.0.5, PHP 5, PHP 7, PECL ming SVN)

ming_setcubicthreshold Set cubic threshold

说明

ming_setcubicthreshold ( int $threshold ) : void

Sets the threshold error for drawing cubic beziers.

参数

threshold

The Threshold. Lower is more accurate, hence larger file size.

返回值

没有返回值。

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cece at php dot net
16 years ago
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)

官方地址:https://www.php.net/manual/en/function.ming-setcubicthreshold.php

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