(PECL ps >= 1.1.0)
ps_show — Output text
$psdoc, string $text): bool
Output a text at the current text position. The text position can be set
by storing the x and y coordinates into the values textx
and texty with the function
ps_set_value(). The function will issue an
error if a font was not set before with ps_setfont().
ps_show() evaluates the following parameters and values as set by ps_set_parameter() and ps_set_value().
Distance between two consecutive glyphs. If this value is unequal to zero then all ligatures will be resolved. Values less than zero are allowed.
Setting this parameter to "false" will turn off kerning. Kerning is turned on by default.
Setting this parameter to "false" will turn off the use of ligatures. Ligatures are turned on by default.
Setting this parameter to "true" will turn on underlining. Underlining is turned off by default.
Setting this parameter to "true" will turn on overlining. Overlining is turned off by default.
Setting this parameter to "true" will turn on striking out. Striking out is turned off by default.
psdocResource identifier of the postscript file as returned by ps_new().
textThe text to be output.
成功时返回 true， 或者在失败时返回 false。