What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.



cpdf_setgray_fill — Sets filling color to gray value


bool cpdf_setgray_fill(pdfdoc, gray);
resource pdfdoc: PDF document identifier
double gray: Amount of gray fill


TRUE on success or FALSE on error


Controls the amount of gray color in drawn and filled object.

Values of gray should be between 0.0 and 1.0 with 0.0 being black and 1.0 being white


Since versions 3.0.8 and 4.0


Example 169. Fill shades of gray

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

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

// light gray rectangle
cpdf_setgray_fill($cpdf, 0.9);
cpdf_rect($cpdf, 30, 540, 180, 30);

// darker gray rectangle
cpdf_setgray_fill($cpdf, 0.7);
cpdf_rect($cpdf, 30, 500, 180, 30);

// darker again rectangle
cpdf_setgray_fill($cpdf, 0.5);
cpdf_rect($cpdf, 30, 460, 180, 30);

// darker again rectangle
cpdf_setgray_fill($cpdf, 0.3);
cpdf_rect($cpdf, 30, 420, 180, 30);

// darker again rectangle
cpdf_setgray_fill($cpdf, 0.1);
cpdf_rect($cpdf, 30, 380, 180, 30);

// close and write document

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 The authors of this book have elected not to choose any options under the OPL. This online book was obtained from 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.

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