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swf_shapecurveto
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swf_shapecurveto

Name

swf_shapecurveto — Draw a quadratic bezier curve

Synopsis

void swf_shapecurveto(x1, y1, x2, y2); float x1: Starting x coordinate float y1: Starting y coordinate float x2: Ending x coordinate float y2: Ending y coordinate

Returns

Void

Description

Draws a quadratiuc bezier curve to co-ordinates defined by x2 , y2 , The parameters x1 and y1 are used as as an 'off-curve control point' which means that the curve will bend towards towards the co-ordinates specified. This can have some unusual results so use with some trial and error. it does mean however, that some interesting curved shapes can be created.

Version

Existing since version 4.0

Example

Example 1283. Draw overlapping shapped arcs

swf_openfile ("test.swf", 100, 100, 30, 0.8, 0.8, 0.8);
swf_ortho2(-100,100,-100,100);

swf_startshape(1);
swf_shapefillsolid(0,1,0,1);
swf_shapearc(0,0,50,90,120);
swf_shapecurveto(-40,20,0,0);
swf_endshape(1);
swf_placeobject(1, 1);
swf_showframe();

swf_startshape(2);
swf_shapefillsolid(1,1,0,1);
swf_shapearc(0,0,50,60,90);
swf_shapecurveto(-20,20,0,0);
swf_endshape(2);
swf_placeobject(2, 2);
swf_showframe();

swf_closefile();

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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.