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pdf_setgray
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pdf_setgray

Name

pdf_setgray — Sets drawing and filling color to gray value

Synopsis

bool pdf_setgray(pdf, gray); resource pdf: PDF object identifier double gray: Amount of gray fill

Returns

Always TRUE

Description

Controls the amount of gray color in drawn and filled object. This differs from pdf_setgray_fill() and pdf_setgray_stroke() in that is also affects text as well.

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

Version

Since versions 3.0.6 and 4.0

Example

Example 973. Draw shades of grey

<?php

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

// light gray
pdf_setgray($pdf, 0.9);
pdf_rect($pdf, 30, 640, 180, 30);
pdf_fill($pdf);

// darker again
pdf_setgray($pdf, 0.6);
pdf_rect($pdf, 30, 600, 180, 30);
pdf_fill($pdf);

// darker still
pdf_setgray($pdf, 0.3);
$font = pdf_findfont($pdf, "Courier", "host", 0);
pdf_setfont($pdf, $font, 20);
pdf_show_xy($pdf, "Hello World", 30, 580);

// black
pdf_setgray($pdf, 0);
pdf_show_xy($pdf, "Hello World", 30, 550);

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

// output 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.