GetTextFormattingInfo

Syntax

GetTextFormattingInfo(base, lxf_data, width, height);

base	A string specifying the prefix of the returned variable names.
lxf_data	The LXF formatted data to be split into separate areas.
width	A number specifying the width of the first text area.
height	A number specifying the height of the first text area.

Description

Enables splitting of LXF text into separate areas, for example to create multi-column output. The LXF text must be comply with the Advanced Text functionality in PageOUT.

The function returns variables with values specifying:

•	The text that fits into the specified area.

•	The actual dimensions and the number of text rows in this text area.

•	The text that does not fit into the specified area.

•	The dimensions and the number of text rows in this remaining text area.

Returns

$base_text	A string in LXF format that represents text that fits into the specified area (height/width arguments)
$base_width	The width of the $base_text string.
$base_height	The height of the $base_text string.
$base_rows	The number of text rows that fit into the specified area.
$base_next	A string in LXF format that does not fit into the specified area and can be used in the next area.
$base_next_width	The width of the text that does not fit into the specified area.
$base_next_height	The height of the text that does not fit into the specified area.
$base_next_rows	The number of text rows that does not fit into the specified area.
	Error

Example

$file = "data/overlays/fragment.lxf";

// load the LXF fragment into variable

$err = FileOpen( $file, "r" );

$part = 0;

if(num($err) = 0)

{ 

  $lxf = "";

  $line = "";

  	while( 0 = FileReadLn( $file, $line ) )

  	{ 		

    $lxf = $lxf + $line;

  		  $lxf = $lxf + "<0D><0A>";

  	}

  	FileClose( $file );

  $test_width = 50;

  	$test_height = 60;

  // write test output, original

  	$filename = "data/overlays/fragment.part." + $part + ".lxf";

  	fileopen($filename, "wb" );

  	filewrite($filename,$lxf);

  	fileclose($filename);

  	$part++;

	  GetTextFormattingInfo( "test", $lxf, $test_width, $test_height );

  // write test output, part 1

  	$testfile = "data/overlays/fragment.part." + $part + ".lxf";

  	fileopen($testfile, "wb" );

  	filewrite($testfile,$test_text);

  	fileclose($testfile);

  	$part++;	 

//write test output, part 2

  	$testfile = "data/overlays/fragment.part." + $part + ".lxf";

  	fileopen($testfile, "wb" );

  	filewrite($testfile,$test_next);

  	fileclose($testfile);

  	$part++;

	  log(0, "variable: test_width: " + $test_width );

  	log(0, "variable: test_height: " + $test_height );

  	log(0, "variable: test_rows: " + $test_rows );

	  log(0, " " );

  	log(0, "variable: test_next_width: " + $test_next_width );

  	log(0, "variable: test_next_height: " + $test_next_height );

  	log(0, "variable: test_next_rows: " + $test_next_rows );

  	fileclose( $file );

}

else

{ $errtext=ioerrtext($err);

         log(0,"Could not open " + $file + ": " + $errtext);

}