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Current File : //proc/thread-self/root/usr/local/lib/php-7.0.14-precise/lib/php/Image/GIS.php
<?php
//
// +------------------------------------------------------------------------+
// | PEAR :: Image :: GIS                                                   |
// +------------------------------------------------------------------------+
// | Copyright (c) 2002-2005 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: GIS.php 299207 2010-05-10 10:21:58Z clockwerx $
//

require_once 'Image/Color.php';
require_once 'Image/GIS/Parser.php';
require_once 'Image/GIS/Renderer.php';

/**
 * The following example draws the region around the
 * German city of Kiel which is Jan's home town:
 *
 * <code>
 * <?php
 * require_once 'Image/GIS.php';
 *
 * // Create new map.
 * $map = new Image_GIS(
 *   array(
 *     'width'  =>  960,
 *     'height' => 1280,
 *     'range'  => array(
 *       'x1' => 9.7,
 *       'x2' => 10.5,
 *       'y1' => 54.2,
 *       'y2' => 54.7
 *     )
 *   )
 * );
 *
 * // Political
 * $map->addDataFile('germany_ponet.e00',  'black');
 *
 * // Roads
 * $map->addDataFile('germany_rdline.e00', 'gray');
 *
 * // Populated Places
 * $map->addDataFile('germany_pppoly.e00', 'green');
 *
 * // Drainage
 * $map->addDataFile('germany_dnnet.e00',  'blue');
 *
 * $map->saveImage('kiel.png');
 * ?>
 * </code>
 *
 * @author      Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright   Copyright &copy; 2002-2005 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 {
    /**
    * Set to TRUE to enable debugging.
    *
    * @var boolean $debug
    */
    var $debug;

    /**
    * Image_GIS_Parser sub-class object.
    *
    * @var Image_GIS_Parser $parser
    */
    var $parser;

    /**
    * Image_GIS_Renderer sub-class object.
    *
    * @var Image_GIS_Renderer $renderer
    */
    var $renderer;

    /**
    * Constructor.
    *
    * @param  array   $parameters
    * @access public
    */
    function Image_GIS($parameters = array()) {
        $this->debug = isset($parameters['debug']) ? $parameters['debug'] : false;

        $this->setParser(
          isset($parameters['parser'])   ? $parameters['parser']   : 'E00',
          isset($parameters['cache'])    ? $parameters['cache']    : false,
          isset($parameters['cacheDir']) ? $parameters['cacheDir'] : '/tmp'
        );

        $this->setRenderer(
          isset($parameters['renderer']) ? $parameters['renderer'] : 'GD',
          isset($parameters['width'])    ? $parameters['width']    : 640,
          isset($parameters['height'])   ? $parameters['height']   : 480
        );

        if (isset($parameters['range']['x1']) &&
            isset($parameters['range']['x2']) &&
            isset($parameters['range']['y1']) &&
            isset($parameters['range']['y2'])) {
            $this->setRange(
              $parameters['range']['x1'],
              $parameters['range']['x2'],
              $parameters['range']['y1'],
              $parameters['range']['y2']
            );
        }
    }

    /**
    * Adds a datafile to the map.
    *
    * @param  string  $dataFile
    * @param  mixed   $color
    * @return boolean
    * @access public
    */
    function addDataFile($dataFile, $color) {

        if (file_exists($dataFile)) {
            return $this->parser->addDataFile($dataFile, $color);
        } else {
            printf ("Data file '%s' does not exist.\n", $dataFile);
            return false;
        }
    }

    /**
    * Returns the range of the data to be rendered.
    *
    * @return array
    * @access public
    * @since  Image_GIS 1.0.1
    */
    function getRange() {
        return $this->renderer->getRange();
    }

    /**
    * Renders the image.
    *
    * @access public
    */
    function render() {
        $this->renderer->render($this->parser->parse());
    }

    /**
    * Saves the rendered image to a given file.
    *
    * @param  string  $filename
    * @return boolean
    * @access public
    */
    function saveImage($filename) {
        $this->render();

        return $this->renderer->saveImage($filename);
    }

    /**
    * Sets the Image_GIS_Parser sub-class to be used
    * to parse a data file.
    *
    * @param  string  $parser
    * @param  boolean $cache
    * @access public
    */
    function setParser($parser, $cache) {
        $this->parser = &Image_GIS_Parser::factory($parser, $cache, $this->debug);
    }

    /**
    * Sets the range of the data to be rendered.
    *
    * @param  float $x1
    * @param  float $x2
    * @param  float $y1
    * @param  float $y2
    * @access public
    */
    function setRange($x1, $x2, $y1, $y2) {
        $this->renderer->setRange($x1, $x2, $y1, $y2);
    }

    /**
    * Sets the Image_GIS_Renderer sub-class to be used
    * to render an image.
    *
    * @param  string  $renderer
    * @access public
    */
    function setRenderer($renderer, $width, $height) {
        $this->renderer = &Image_GIS_Renderer::factory($renderer, $width, $height, $this->debug);
    }

    /**
    * Shows the rendered image.
    *
    * @access public
    */
    function showImage() {
        $this->render();

        $this->renderer->showImage();
    }
}
?>
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