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<?php
//
// +------------------------------------------------------------------------+
// | PEAR :: Image :: GIS :: SVG Renderer |
// +------------------------------------------------------------------------+
// | 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: SVG.php 299207 2010-05-10 10:21:58Z clockwerx $
//
require_once 'Image/GIS/Renderer.php';
require_once 'XML/SVG.php';
/**
* SVG Renderer.
*
* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
* @copyright Copyright © 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_Renderer_SVG extends Image_GIS_Renderer {
/**
* SVG Document.
*
* @var XML_SVG $svg
*/
var $svg;
/**
* SVG Groups.
*
* @var XML_SVG_Group[]
*/
var $svgGroups = array();
/**
* Constructor.
*
* @param mixed $width
* @param integer $sizyY
* @param boolean $debug
* @access public
*/
function Image_GIS_Renderer_SVG($width, $height, $debug) {
$this->Image_GIS_Renderer($width, $height, $debug);
$this->svg = new XML_SVG_Document(
array(
'width' => $width,
'height' => $height
)
);
}
/**
* Draws a line from ($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) {
$group = md5($r . $g . $b);
if (!isset($this->svgGroups[$group])) {
$this->svgGroups[$group] = new XML_SVG_Group(
array(
'style' => sprintf(
'stroke:rgb(%s, %s, %s)',
$r,
$g,
$b
)
)
);
$this->svgGroups[$group]->addParent($this->svg);
}
$line = new XML_SVG_Line(
array(
'x1' => $x1,
'y1' => $y1,
'x2' => $x2,
'y2' => $y2,
)
);
$this->svgGroups[$group]->addChild($line);
}
/**
* Saves the rendered image to a given file.
*
* @param string $filename
* @return boolean
* @access public
*/
function saveImage($filename) {
if ($fp = @fopen($filename, 'w')) {
@fputs($fp, $this->svg->bufferObject());
@fclose($fp);
return true;
}
return false;
}
/**
* Shows the rendered image.
*
* @access public
*/
function showImage() {
$this->svg->printElement();
}
}
?>
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