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PHP 5 Kochbuch
book

PHP 5 Kochbuch

by David Sklar, Adam Trachtenberg, Ulrich Speidel, Stephan Schmidt
June 2005
Intermediate to advanced
794 pages
18h 27m
German
O'Reilly Verlag
Content preview from PHP 5 Kochbuch

18.1 Linien, Rechtecke und Vielecke zeichnen

Problem

Sie wollen eine Linie, ein Rechteck oder ein Vieleck zeichnen. Sie wollen außerdem bestimmen können, ob das Recht- oder Vieleck offen oder gefüllt sein soll. Beispiel: Sie wollen Säulendiagramme oder Kurven mit Börsenwerten erstellen.

Lösung

Mit ImageLine( ) können Sie eine Linie zeichnen:

ImageLine($image, $x1, $y1, $x2, $y2, $color);

Mit ImageRectangle( ) können Sie ein leeres Rechteck zeichnen:

ImageRectangle($image, $x1, $y1, $x2, $y2, $color);

Mit ImageFilledRectangle( ) zeichnen Sie ein gefülltes Rechteck:

ImageFilledRectangle($image, $x1, $y1, $x2, $y2, $color);

Ein leeres Vieleck zeichnen Sie mit ImagePolygon( ):

$points = array($x1, $y1, $x2, $y2, $x3, $y3); ImagePolygon($image, $points, count($points)/2, ...
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Publisher Resources

ISBN: 9783897214095