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pdf_save
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pdf_save

Name

pdf_save — Saves current enviroment

Synopsis

bool pdf_save(pdf); resource pdf: PDF object identifier

Returns

Always TRUE

Description

Saves the current graphical state of the PDF document. This includes graphics parameters such as clipping path, coordinate system, current point, dash pattern, flatness, line cap style, line join style, line width, miter limit and color parameters like fill and stroke colors. In addition, some PDF parameters are saved including character spacving, word spacing, horizontal scaling, leading, font, fontsize, text rendering and text rise.

In the example below, try commenting out the lines calling pdf_save() and pdf_restore() to measure the effect of saving and restoring the environment.

Version

Since versions 3.0.6 and 4.0

Example

Example 959. Display vertical and horizontal text

<?php

// create new document
$pdf = pdf_new();
pdf_open_file($pdf);
pdf_begin_page($pdf, 500, 700);

// load font
$font = pdf_findfont($pdf, "Courier", "host", 0);
pdf_setfont($pdf, $font, 15);

// draw horizontal text
pdf_set_text_pos($pdf, 50, 300);
pdf_show($pdf, "This is horizontal text");

/ get text coordinates
$textx = pdf_get_value($pdf, "textx", 0); 
$texty = pdf_get_value($pdf, "texty", 0); 

// save document state
pdf_save($pdf);
   // translate drawing area
   pdf_translate($pdf, $textx, $texty); 
   // rotate drawing area
   pdf_rotate($pdf, 90); 
   pdf_set_text_pos($pdf, 18, 0);
   // display vertical text
   pdf_show($pdf, "vertical text");
// restore document state
pdf_restore($pdf);

// continue text display
pdf_continue_text($pdf, "horizontal text continues");

pdf_end_page($pdf);
pdf_close($pdf);

// display document
$data = pdf_get_buffer($pdf);
header("Content-type: application/pdf");
header("Content-disposition: inline; filename=test.pdf");
header("Content-length: " . strlen($data));
echo $data;
?>

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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.