Php/docs/function.ps-string-geometry
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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.