<?php//// +------------------------------------------------------------------------+// | PEAR :: Image :: GIS :: GD Renderer                                    |// +------------------------------------------------------------------------+// | Copyright (c) 2002-2004 Jan Kneschke <jan@kneschke.de> and             |// |                         Sebastian Bergmann <sb@sebastian-bergmann.de>. |// +------------------------------------------------------------------------+// | This source file is subject to version 3.00 of the PHP License,        |// | that is available at http://www.php.net/license/3_0.txt.               |// | If you did not receive a copy of the PHP license and are unable to     |// | obtain it through the world-wide-web, please send a note to            |// | license@php.net so we can mail you a copy immediately.                 |// +------------------------------------------------------------------------+//// $Id: GD.php,v 1.7 2004/04/17 10:21:26 sebastian Exp $//require_once 'Image/GIS/Renderer.php';/** * GD Renderer. * * @author      Jan Kneschke <jan@kneschke.de> * @author      Sebastian Bergmann <sb@sebastian-bergmann.de> * @copyright   Copyright &copy; 2002-2004 Jan Kneschke <jan@kneschke.de> and Sebastian Bergmann <sb@sebastian-bergmann.de> * @license     http://www.php.net/license/3_0.txt The PHP License, Version 3.0 * @category    Image * @package     Image_GIS */class Image_GIS_Renderer_GD extends Image_GIS_Renderer {    /**    * GD Image Palette.    *    * @var array $palette    */    var $palette = array();    /**    * GD Image Ressource.    *    * @var ressource $img    */    var $img;    /**    * Constructor.    *    * @param  mixed   $width    * @param  integer $sizyY    * @param  boolean $debug    * @access public    */    function Image_GIS_Renderer_GD($width, $height, $debug) {        if (is_file($width)) {            $this->img = imagecreatefrompng($width);            $width     = imagesx($this->img);            $height    = imagesy($this->img);            $this->Image_GIS_Renderer($width, $height, $debug);        } else {            $this->Image_GIS_Renderer($width, $height, $debug);            $this->img = imagecreate($this->width, $this->height);            imagecolorallocate($this->img, 255, 255, 255);        }    }    /**    * Draws a line from ($x1, $y1) to ($x2, $y2)    * using the color rgb($r, $g, $b).    *    * @param  float   $x1    * @param  float   $y1    * @param  float   $x2    * @param  float   $y2    * @param  float   $r    * @param  float   $g    * @param  float   $b    * @access public    */    function drawLine($x1, $y1, $x2, $y2, $r, $g, $b) {        if (!isset($this->palette[$r][$g][$b])) {            $this->palette[$r][$g][$b] = imagecolorallocate($this->img, $r, $g, $b);        }        imageline(          $this->img,          $x1,          $y1,          $x2,          $y2,          $this->palette[$r][$g][$b]        );    }    /**    * Saves the rendered image to a given file.    *    * @param  string  $filename    * @return boolean    * @access public    */    function saveImage($filename) {        return imagepng($this->img, $filename);    }    /**    * Shows the rendered image.    *    * @access public    */    function showImage() {        header('Content-Type: image/png');        imagepng($this->img);    }}?>