ps_get_value
(PECL ps >= 1.1.0)
ps_get_value — Gets certain values
说明
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.