# 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 `modifier` specifies 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`.

### 参见

- ps_set_value() - Sets certain values