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pdf_setlinecap — Sets linecap parameter


bool pdf_setlinecap(pdf, type);
resource pdf: PDF object identifier
int type: Cap type


Always TRUE


Sets the type of cap a line should have. These are normally only seen at large line widths although controlling how a line is squared off may be useful when drawing complex shapes or tables.

type can take values of 0, 1 or 2 which are:

0 Butt end caps. The stroke is squared off exactly at the end of the line
1 Round caps. The lines are rounded off with a half circle which has a diamter equal to the line width
2 Projecting caps. The ends of the line are square but the ends of the line move beyond the end of the stroke by a distance of half the line width


Since versions 3.0.6 and 4.0


Example 976. Show different caps


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

// widen line

// set end to butt caps
pdf_setlinecap($pdf, 0);
pdf_moveto($pdf, 10, 650);
pdf_lineto($pdf, 450, 650);

// set end to round caps
pdf_setlinecap($pdf, 1);
pdf_moveto($pdf, 10, 630);
pdf_lineto($pdf, 450, 630);

// set end to projecting caps
pdf_setlinecap($pdf, 2);
pdf_moveto($pdf, 10, 610);
pdf_lineto($pdf, 450, 610);


// 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;

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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