87 lines
3.0 KiB
PHP
87 lines
3.0 KiB
PHP
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* This is a visual test case, testing canvas support for gradient fillings.
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version. This library is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
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* General Public License for more details. You should have received a copy of
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* the GNU Lesser General Public License along with this library; if not, write
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* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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* @category Images
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* @package Image_Canvas
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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* @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version CVS: $Id: gradients.php,v 1.2 2005/08/03 21:17:48 nosey Exp $
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* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
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*/
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require_once 'Image/Canvas.php';
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$canvas =& Image_Canvas::factory(
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'png',
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array('width' => 605, 'height' => 350)
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);
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$gradient = array(
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'type' => 'gradient',
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'start' => 'yellow',
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'end' => 'maroon'
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);
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$directions = array('horizontal', 'vertical', 'horizontal_mirror', 'vertical_mirror', 'diagonal_tl_br', 'diagonal_bl_tr', 'radial');
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$space = 10;
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$size = 75;
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$canvas->setLineColor('black');
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$canvas->rectangle(array('x0' => 0, 'y0' => 0, 'x1' => $canvas->getWidth() - 1, 'y1' => $canvas->getHeight() - 1));
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$i = 0;
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foreach ($directions as $direction) {
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$gradient['direction'] = $direction;
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$x = $space + ($i * ($size + $space));
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$y = $space;
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$canvas->setGradientFill($gradient);
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$canvas->rectangle(array('x0' => $x, 'y0' => $y, 'x1' => $x + $size, 'y1' => $y + $size));
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$y += $size + $space;
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$canvas->setGradientFill($gradient);
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$canvas->ellipse(array('x' => $x + $size / 2, 'y' => $y + $size / 2, 'rx' => $size / 2, 'ry' => $size / 2));
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$y += $size + $space;
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$canvas->setGradientFill($gradient);
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$canvas->pieslice(array('x' => $x + $size / 2, 'y' => $y + $size / 2, 'rx' => $size / 2, 'ry' => $size / 2, 'v1' => 45, 'v2' => 270));
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$y += $size + $space;
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$points = array();
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$points[] = array('x' => $x + $size / 3, 'y' => $y);
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$points[] = array('x' => $x + $size, 'y' => $y + $size / 2);
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$points[] = array('x' => $x + $size / 3, 'y' => $y + 3 * $size / 4);
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$points[] = array('x' => $x + $size / 5, 'y' => $y + $size);
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$points[] = array('x' => $x, 'y' => $y + $size / 3);
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$y += $size + $space;
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$canvas->setGradientFill($gradient);
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foreach ($points as $point) {
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$canvas->addVertex($point);
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}
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$canvas->polygon(array('connect' => true));
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$i++;
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}
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$canvas->show();
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?>
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