PHP Manual
PS 函数
Gets geometry of a string

ps_string_geometry

(PECL ps >= 1.2.0)

ps_string_geometry — Gets geometry of a string

说明

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

This function is similar to ps_stringwidth() but returns an array of dimensions containing the width, ascender, and descender of the text.

参数

psdoc: Resource identifier of the postscript file as returned by ps_new().
text: The text for which the geometry 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

An array of the dimensions of a string. The element 'width' contains the width of the string as returned by ps_stringwidth(). The element 'descender' contains the maximum descender and 'ascender' the maximum ascender of the string.

参见

ps_continue_text() - Continue text in next line
ps_stringwidth() - Gets width of a string

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