ps_set_info(3) [php man page]

PS_SET_INFO(3)								 1							    PS_SET_INFO(3)

ps_set_info - Sets information fields of document

SYNOPSIS

       bool ps_set_info (resource  $p, string  $key, string  $val)

DESCRIPTION

	Sets certain information fields of the document. This fields will be shown as a comment in the header of the PostScript file. If the docu-
       ment is converted to pdf this fields will also be used for the document information.

	The BoundingBox is usually set to the value given to the first page. This only works if ps_findfont(3) has not been called before. In such
       cases the BoundingBox would be left unset unless you set it explicitly with this function.

	This  function	will  have no effect anymore when the header of the postscript file has been already written. It must be called before the
       first page or the first call of ps_findfont(3).

PARAMETERS

	      o $psdoc
		- Resource identifier of the postscript file as returned by ps_new(3).

	      o $key
		- The name of the information field to set. The values which can be set are Keywords, Subject, Title, Creator,	Author,  Bounding-
		Box, and Orientation. Be aware that some of them has a meaning to PostScript viewers.

	      o $value
		-  The	value  of  the	information  field. The field Orientation can be set to either Portrait or Landscape. The BoundingBox is a
		string consisting of four numbers. The first two numbers are the coordinates of the lower left corner of the page.  The  last  two
		numbers are the coordinates of the upper right corner.

	      Note

		      Up to version 0.2.6 of pslib, the BoundingBox and Orientation will be overwritten by ps_begin_page(3), unless ps_findfont(3)
		     has been called before.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

SEE ALSO

       ps_findfont(3), ps_begin_page(3).

PHP Documentation Group 													    PS_SET_INFO(3)

PS_ROTATE(3)								 1							      PS_ROTATE(3)

ps_rotate - Sets rotation factor

SYNOPSIS

       bool ps_rotate (resource  $psdoc, float	$rot)

DESCRIPTION

	Sets the rotation of the coordinate system.

PARAMETERS

	      o $psdoc
		- Resource identifier of the postscript file as returned by ps_new(3).

	      o $rot
		- Angle of rotation in degree.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      Rotation of the coordinate system

	      <?php
	      function rectangle($ps) {
		  ps_moveto($ps, 0, 0);
		  ps_lineto($ps, 0, 50);
		  ps_lineto($ps, 50, 50);
		  ps_lineto($ps, 50, 0);
		  ps_lineto($ps, 0, 0);
		  ps_stroke($ps);
	      }

	      $ps = ps_new();
	      if (!ps_open_file($ps, "rotation.ps")) {
		print "Cannot open PostScript file
";
		exit;
	      }

	      ps_set_info($ps, "Creator", "rotation.php");
	      ps_set_info($ps, "Author", "Uwe Steinmann");
	      ps_set_info($ps, "Title", "Rotation example");
	      ps_set_info($ps, "BoundingBox", "0 0 596 842");

	      $psfont = ps_findfont($ps, "Helvetica", "", 0);

	      ps_begin_page($ps, 596, 842);
	      ps_set_text_pos($ps, 100, 100);
	      ps_save($ps);
	      ps_translate($ps, 100, 100);
	      ps_rotate($ps, 45);
	      rectangle($ps);
	      ps_restore($ps);
	      ps_setfont($ps, $psfont, 8.0);
	      ps_show($ps, "Text without rotation");
	      ps_end_page($ps);

	      ps_delete($ps);
	      ?>

	       The  above example illustrates a very common way of rotating a graphic (in this case just a rectangle) by simply rotating the coor-
	      dinate system. Since the graphic's coordinate system assumes (0,0) to be the origin, the page coordinate system is  also	translated
	      to place the graphics not on the edge of the page. Pay attention to the order of ps_translate(3) and ps_rotate(3). In the above case
	      the rectancle is rotated around the point (100, 100) in the untranslated coordinate system. Switching the two statements has a  com-
	      pletely different result.

	       In  order  to  output  the  following text at the original position, all modifications of the coordinate system are encapsulated in
	      ps_save(3) and ps_restore(3).

SEE ALSO

       ps_scale(3), ps_translate(3).

PHP Documentation Group 													      PS_ROTATE(3)