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><H1
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>ps_get_value</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN191360"
></A
><P
> (PECL)</P
>ps_get_value -- Gets certain values</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN191363"
></A
><H2
>说明</H2
>float <B
CLASS="methodname"
>ps_get_value</B
> ( resource psdoc, string name [, float modifier] )<BR
></BR
><P
>Gets several values which were set by
<A
HREF="function.ps-set-value.html"
><B
CLASS="function"
>ps_set_value()</B
></A
>. Values are by definition float values.
</P
><P
> The parameter <CODE
CLASS="parameter"
>name</CODE
> can have the following values.
</P
><P
> <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><TT
CLASS="literal"
>fontsize</TT
></DT
><DD
><P
> The size of the currently active font or the font whose
identifier is passed in parameter <CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>font</TT
></DT
><DD
><P
> The currently active font itself.
</P
></DD
><DT
><TT
CLASS="literal"
>imagewidth</TT
></DT
><DD
><P
> The width of the image whose id is passed in the parameter
<CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>imageheight</TT
></DT
><DD
><P
> The height of the image whose id is passed in the parameter
<CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>capheight</TT
></DT
><DD
><P
> The height of a capital M in the currently active font or the font
whose identifier is passed in parameter
<CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>ascender</TT
></DT
><DD
><P
> The ascender of the currently active font or the font
whose identifier is passed in parameter
<CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>descender</TT
></DT
><DD
><P
> The descender of the currently active font or the font
whose identifier is passed in parameter
<CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>italicangle</TT
></DT
><DD
><P
> The italicangle of the currently active font or the font
whose identifier is passed in parameter
<CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>underlineposition</TT
></DT
><DD
><P
> The underlineposition of the currently active font or the font
whose identifier is passed in parameter
<CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>underlinethickness</TT
></DT
><DD
><P
> The underlinethickness of the currently active font or the font
whose identifier is passed in parameter
<CODE
CLASS="parameter"
>modifier</CODE
>.
</P
></DD
><DT
><TT
CLASS="literal"
>textx</TT
></DT
><DD
><P
> The current x-position for text output.
</P
></DD
><DT
><TT
CLASS="literal"
>texty</TT
></DT
><DD
><P
> The current y-position for text output.
</P
></DD
><DT
><TT
CLASS="literal"
>textrendering</TT
></DT
><DD
><P
> The current mode for text rendering.
</P
></DD
><DT
><TT
CLASS="literal"
>textrise</TT
></DT
><DD
><P
> The space by which text is risen above the base line.
</P
></DD
><DT
><TT
CLASS="literal"
>leading</TT
></DT
><DD
><P
> The distance between text lines in points.
</P
></DD
><DT
><TT
CLASS="literal"
>wordspacing</TT
></DT
><DD
><P
> The space between words as a multiple of the width of a space char.
</P
></DD
><DT
><TT
CLASS="literal"
>charspacing</TT
></DT
><DD
><P
> The space between chars. If charspacing is != 0.0 ligatures will
always be dissolved.
</P
></DD
><DT
><TT
CLASS="literal"
>hyphenminchars</TT
></DT
><DD
><P
> Minimum number of chars hyphenated at the end of a word.
</P
></DD
><DT
><TT
CLASS="literal"
>parindent</TT
></DT
><DD
><P
> Indention of the first n line in a paragraph.
</P
></DD
><DT
><TT
CLASS="literal"
>numindentlines</TT
></DT
><DD
><P
> Number of line in a paragraph to indent if parindent != 0.0.
</P
></DD
><DT
><TT
CLASS="literal"
>parskip</TT
></DT
><DD
><P
> Distance between paragraphs.
</P
></DD
><DT
><TT
CLASS="literal"
>linenumberspace</TT
></DT
><DD
><P
> Overall space in front of each line for the line number.
</P
></DD
><DT
><TT
CLASS="literal"
>linenumbersep</TT
></DT
><DD
><P
> Space between the line and the line number.
</P
></DD
><DT
><TT
CLASS="literal"
>major</TT
></DT
><DD
><P
> The major version number of pslib.
</P
></DD
><DT
><TT
CLASS="literal"
>minor</TT
></DT
><DD
><P
> The minor version number of pslib.
</P
></DD
><DT
><TT
CLASS="literal"
>subminor</TT
>, <TT
CLASS="literal"
>revision</TT
></DT
><DD
><P
> The subminor version number of pslib.
</P
></DD
></DL
></DIV
>
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN191523"
></A
><H2
>参数</H2
><P
> <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>psdoc</CODE
></DT
><DD
><P
> Resource identifier of the postscript file
as returned by <A
HREF="function.ps-new.html"
><B
CLASS="function"
>ps_new()</B
></A
>.
</P
></DD
><DT
><CODE
CLASS="parameter"
>name</CODE
></DT
><DD
><P
> Name of the value.
</P
></DD
><DT
><CODE
CLASS="parameter"
>modifier</CODE
></DT
><DD
><P
> The parameter <CODE
CLASS="parameter"
>modifier</CODE
> specifies the resource
for which the value is to be retrieved. This can be the id of a font or
an image.
</P
></DD
></DL
></DIV
>
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN191544"
></A
><H2
>返回值</H2
><P
> Returns the value of the parameter or <TT
CLASS="constant"
><B
>FALSE</B
></TT
>.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN191548"
></A
><H2
>参见</H2
><P
> <P
></P
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><A
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><B
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>ps_set_value()</B
></A
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></P
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