ps_stringwidth

(PECL ps >= 1.1.0)

ps_stringwidth — Gets width of a string

说明

float ps_stringwidth ( resource $psdoc , string $text [, int $fontid = 0 [, float $size = 0.0 ]] )

Calculates the width of a string in points if it was output in the given font and font size. This function needs an Adobe font metrics file to calculate the precise width. If kerning is turned on, it will be taken into account.

参数

psdoc

Resource identifier of the postscript file as returned by ps_new().

text

The text for which the width is to be calculated.

fontid

The identifier of the font to be used. If not font is specified the current font will be used.

size

The size of the font. If no size is specified the current size is used.

返回值

Width of a string in points.

参见

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