Php/docs/function.ps-get-value
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ps_get_value
(PECL ps >= 1.1.0)
ps_get_value — Gets certain values
说明
ps_get_value
( resource $psdoc
, string $name
[, float $modifier
] ) : float
Gets several values which were set by ps_set_value(). Values are by definition float values.
The parameter name can have the following values.
fontsize- The size of the currently active font or the font whose identifier is passed in parameter
modifier. font- The currently active font itself.
imagewidth- The width of the image whose id is passed in the parameter
modifier. imageheight- The height of the image whose id is passed in the parameter
modifier. capheight- The height of a capital M in the currently active font or the font whose identifier is passed in parameter
modifier. ascender- The ascender of the currently active font or the font whose identifier is passed in parameter
modifier. descender- The descender of the currently active font or the font whose identifier is passed in parameter
modifier. italicangle- The italicangle of the currently active font or the font whose identifier is passed in parameter
modifier. underlineposition- The underlineposition of the currently active font or the font whose identifier is passed in parameter
modifier. underlinethickness- The underlinethickness of the currently active font or the font whose identifier is passed in parameter
modifier. textx- The current x-position for text output.
texty- The current y-position for text output.
textrendering- The current mode for text rendering.
textrise- The space by which text is risen above the base line.
leading- The distance between text lines in points.
wordspacing- The space between words as a multiple of the width of a space char.
charspacing- The space between chars. If charspacing is != 0.0 ligatures will always be dissolved.
hyphenminchars- Minimum number of chars hyphenated at the end of a word.
parindent- Indention of the first n line in a paragraph.
numindentlines- Number of line in a paragraph to indent if parindent != 0.0.
parskip- Distance between paragraphs.
linenumberspace- Overall space in front of each line for the line number.
linenumbersep- Space between the line and the line number.
major- The major version number of pslib.
minor- The minor version number of pslib.
subminor,revision- The subminor version number of pslib.
参数
psdoc- Resource identifier of the postscript file as returned by ps_new().
name- Name of the value.
modifier- The parameter
modifierspecifies the resource for which the value is to be retrieved. This can be the id of a font or an image.
返回值
Returns the value of the parameter or false.
