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pdf_setlinejoin — Sets linecap parameter


bool pdf_setjoin(pdf, type);
resource pdf: PDF object identifier
int type: Join type


Always TRUE


Sets the type of join between two lines. These are normally only seen at large line widths although controlling how a line is joined can be useful for aesthetic reasons.

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

0 Miter join. The outer edges of the joined lines continue until they meet at a point
1 Round join. Corners are rounded of with a diameter equal to the line width
2 Bevel join. The line caps are beveled off to form a straight edge acorss the top of the joined lines.


Since versions 3.0.6 and 4.0

See also

See also: pdf_setmiterlimit


Example 977. Show different joins


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

// set wide line width

// set join to miter join 
pdf_setlinejoin($pdf, 0);

// draw intersecting line
pdf_moveto($pdf, 125, 650);
pdf_lineto($pdf, 250, 550);
pdf_lineto($pdf, 375, 650);

// set join to round and draw lines
pdf_setlinejoin($pdf, 1);
pdf_moveto($pdf, 125, 550);
pdf_lineto($pdf, 250, 450);
pdf_lineto($pdf, 375, 550);

// set join to bevel and draw lines
pdf_setlinejoin($pdf, 2);
pdf_moveto($pdf, 125, 450);
pdf_lineto($pdf, 250, 350);
pdf_lineto($pdf, 375, 450);


// 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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