1<?php 2 3/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ 4 5/** 6 * This is a visual test case, testing canvas support for gradient fillings. 7 * 8 * PHP versions 4 and 5 9 * 10 * LICENSE: This library is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU Lesser General Public License as published by 12 * the Free Software Foundation; either version 2.1 of the License, or (at your 13 * option) any later version. This library is distributed in the hope that it 14 * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty 15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 16 * General Public License for more details. You should have received a copy of 17 * the GNU Lesser General Public License along with this library; if not, write 18 * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 19 * 02111-1307 USA 20 * 21 * @category Images 22 * @package Image_Canvas 23 * @author Jesper Veggerby <pear.nosey@veggerby.dk> 24 * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen 25 * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 26 * @version CVS: $Id: gradients.php 262259 2008-07-08 11:45:42Z steinm $ 27 * @link http://pear.php.net/package/Image_Canvas 28 */ 29 30require_once 'Image/Canvas.php'; 31 32$canvas =& Image_Canvas::factory( 33 'png', 34 array('width' => 605, 'height' => 350) 35); 36 37$gradient = array( 38 'type' => 'gradient', 39 'start' => 'yellow', 40 'end' => 'maroon' 41); 42 43$directions = array('horizontal', 'vertical', 'horizontal_mirror', 'vertical_mirror', 'diagonal_tl_br', 'diagonal_bl_tr', 'radial'); 44 45$space = 10; 46$size = 75; 47 48$canvas->setLineColor('black'); 49$canvas->rectangle(array('x0' => 0, 'y0' => 0, 'x1' => $canvas->getWidth() - 1, 'y1' => $canvas->getHeight() - 1)); 50 51$i = 0; 52foreach ($directions as $direction) { 53 $gradient['direction'] = $direction; 54 55 $x = $space + ($i * ($size + $space)); 56 57 $y = $space; 58 $canvas->setGradientFill($gradient); 59 $canvas->rectangle(array('x0' => $x, 'y0' => $y, 'x1' => $x + $size, 'y1' => $y + $size)); 60 61 $y += $size + $space; 62 $canvas->setGradientFill($gradient); 63 $canvas->ellipse(array('x' => $x + $size / 2, 'y' => $y + $size / 2, 'rx' => $size / 2, 'ry' => $size / 2)); 64 65 $y += $size + $space; 66 $canvas->setGradientFill($gradient); 67 $canvas->pieslice(array('x' => $x + $size / 2, 'y' => $y + $size / 2, 'rx' => $size / 2, 'ry' => $size / 2, 'v1' => 45, 'v2' => 270)); 68 69 $y += $size + $space; 70 $points = array(); 71 $points[] = array('x' => $x + $size / 3, 'y' => $y); 72 $points[] = array('x' => $x + $size, 'y' => $y + $size / 2); 73 $points[] = array('x' => $x + $size / 3, 'y' => $y + 3 * $size / 4); 74 $points[] = array('x' => $x + $size / 5, 'y' => $y + $size); 75 $points[] = array('x' => $x, 'y' => $y + $size / 3); 76 $y += $size + $space; 77 $canvas->setGradientFill($gradient); 78 foreach ($points as $point) { 79 $canvas->addVertex($point); 80 } 81 $canvas->polygon(array('connect' => true)); 82 $i++; 83} 84 85$canvas->show(); 86 87?> 88