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cpdf_stringwidth
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cpdf_stringwidth

Name

cpdf_stringwidth — Returns width of text in current font

Synopsis

double cpdf_stringwidth(pdfdoc, text); resource pdfdoc: PDF document identifier string text: Text

Returns

Text width or FALSE on error

Description

Gets the length of the specified text. Takes into account text modificationss set using cpdf_set_word_spacing() , cpdf_set_char_spacing() and cpdf_set_horizscaling() .

Version

Since versions 3.0.8 and 4.0

Example

Example 180. Get text size

// start a PDF document
$cpdf = cpdf_open(0, "test.pdf");

// create a 600x400 page
cpdf_page_init($cpdf, 1, 0, 600, 400, 1);

// set the text and text size
$string = "Here is some text";
$size = 15;

cpdf_begin_text($cpdf);
cpdf_set_font($cpdf, "Helvetica", $size, "WinAnsiEncoding");

// display the text
cpdf_show_xy($cpdf, $string, 10, 550);

// measure the text width
$size = cpdf_stringwidth($cpdf, $string);
cpdf_show_xy($cpdf, "Size of text was: $size", 10, 500);

cpdf_end_text($cpdf);

// close and write document
cpdf_finalize($cpdf);
cpdf_close($cpdf);

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.