Gets several parameters which were directly set by
ps_set_parameter() or indirectly by one of the other
functions. Parameters are by definition string
values. This function cannot be used to retrieve resources which were also
set by ps_set_parameter().
The parameter name can have the following values.
fontname
The name of the currently active font or the font whose
identifier is passed in parameter modifier.
fontencoding
The encoding of the currently active font.
dottedversion
The version of the underlying pslib library in the format
<major>.<minor>.<subminor>
scope
The current drawing scope. Can be object, document, null, page,
pattern, path, template, prolog, font, glyph.
ligaturedisolvechar
The character which dissolves a ligature. If your are using a font
which contains the ligature `ff' and `|' is the char to dissolve the
ligature, then `f|f' will result in two `f' instead of the ligature `ff'.
imageencoding
The encoding used for encoding images. Can be either
hex or 85. hex encoding
uses two bytes in the postscript file each byte in the image.
85 stand for Ascii85 encoding.
linenumbermode
Set to paragraph if lines are numbered
within a paragraph or box if they are
numbered within the surrounding box.
linebreak
Only used if text is output with ps_show_boxed().
If set to true a carriage return will add a line
break.
parbreak
Only used if text is output with ps_show_boxed().
If set to true a carriage return will start
a new paragraph.
hyphenation
Only used if text is output with ps_show_boxed().
If set to true the paragraph will be hyphenated
if a hypen dictionary is set and exists.
hyphendict
Filename of the dictionary used for hyphenation pattern.
Parameters
psdoc
Resource identifier of the postscript file
as returned by ps_new().
name
Name of the parameter.
modifier
An identifier needed if a parameter of a resource is requested,
e.g. the size of an image. In such a case the resource id is
passed.
Return Values
Returns the value of the parameter or FALSE in case of an error.
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