885 lines
29 KiB
PHP
885 lines
29 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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* Class for handling output in SVG format.
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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: SVG.php,v 1.6 2005/08/24 20:37:35 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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/**
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* Include file Image/Canvas.php
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*/
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require_once 'Image/Canvas.php';
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/**
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* Include file Image/Canvas/Color.php
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*/
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require_once 'Image/Canvas/Color.php';
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/**
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* SVG Canvas class.
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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 Release: @package_version@
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* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
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*/
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class Image_Canvas_SVG extends Image_Canvas
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{
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/**
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* The SVG elements
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* @var string
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* @access private
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*/
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var $_elements = '';
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/**
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* The SVG defines
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* @var string
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* @access private
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*/
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var $_defs = '';
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/**
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* The current indention level
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* @var string
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* @access private
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*/
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var $_indent = ' ';
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/**
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* A unieuq id counter
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* @var int
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* @access private
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*/
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var $_id = 1;
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/**
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* The current group ids
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* @var array
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* @access private
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*/
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var $_groupIDs = array();
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/**
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* Create the SVG canvas.
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*
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* Parameters available:
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*
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* 'width' The width of the graph
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*
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* 'height' The height of the graph
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*
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* @param array $param Parameter array
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*/
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function Image_Canvas_SVG($param)
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{
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parent::Image_Canvas($param);
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$this->_reset();
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}
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/**
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* Add a SVG "element" to the output
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*
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* @param string $element The element
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* @access private
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*/
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function _addElement($element, $params) {
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$elementdata = $this->_indent . $element . "\n";
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if (isset($params['url'])) {
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$url = $params['url'];
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$target = (isset($params['target']) ? $params['target'] : false);
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$alt = (isset($params['alt']) ? $params['alt'] : false);
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$tags = '';
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if (isset($params['htmltags'])) {
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foreach ($params['htmltags'] as $key => $value) {
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$tags .= ' ';
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if (strpos($value, '"') >= 0) {
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$tags .= $key . '=\'' . $value . '\'';
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} else {
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$tags .= $key . '="' . $value . '"';
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}
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}
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}
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$elementdata =
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$this->_indent . '<a xlink:href="' . $url . '"' . ($target ? ' target="' . $target . '"' : '') . '>' . "\n" .
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' ' . $elementdata .
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$this->_indent . '</a>' . "\n";
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}
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$this->_elements .= $elementdata;
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}
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/**
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* Add a SVG "define" to the output
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*
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* @param string $def The define
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* @access private
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*/
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function _addDefine($def) {
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$this->_defs .= ' ' . $def . "\n";
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}
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/**
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* Get the color index for the RGB color
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*
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* @param int $color The color
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* @return int A SVG compatible color
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* @access private
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*/
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function _color($color = false)
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{
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if ($color === false) {
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return 'transparent';
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} else {
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$color = Image_Canvas_Color::color2RGB($color);
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return 'rgb(' . $color[0] . ',' . $color[1] . ',' . $color[2] . ')';
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}
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}
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/**
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* Get the opacity for the RGB color
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*
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* @param int $color The color
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* @return int A SVG compatible opacity value
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* @access private
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*/
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function _opacity($color = false)
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{
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if ($color === false) {
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return false;
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} else {
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$color = Image_Canvas_Color::color2RGB($color);
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if ($color[3] != 255) {
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return sprintf('%0.1f', $color[3]/255);
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} else {
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return false;
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}
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}
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}
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/**
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* Get the SVG applicable linestyle
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*
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* @param mixed $lineStyle The line style to return, false if the one
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* explicitly set
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* @return mixed A SVG compatible linestyle
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* @access private
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*/
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function _getLineStyle($lineStyle = false)
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{
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$result = '';
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if ($lineStyle === false) {
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$lineStyle = $this->_lineStyle;
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}
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// TODO Linestyles (i.e. fx. dotted) does not work
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if (($lineStyle != 'transparent') && ($lineStyle !== false)) {
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$result = 'stroke-width:' . $this->_thickness . ';';
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$result .= 'stroke:' .$this->_color($lineStyle) . ';';
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if ($opacity = $this->_opacity($lineStyle)) {
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$result .= 'stroke-opacity:' . $opacity . ';';
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}
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}
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return $result;
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}
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/**
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* Get the SVG applicable fillstyle
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*
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* @param mixed $fillStyle The fillstyle to return, false if the one
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* explicitly set
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* @return mixed A SVG compatible fillstyle
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* @access private
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*/
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function _getFillStyle($fillStyle = false)
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{
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$result = '';
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if ($fillStyle === false) {
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$fillStyle = $this->_fillStyle;
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}
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if (is_array($fillStyle)) {
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if ($fillStyle['type'] == 'gradient') {
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$id = 'gradient_' . ($this->_id++);
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$startColor = $this->_color($fillStyle['start']);
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$endColor = $this->_color($fillStyle['end']);
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$startOpacity = $this->_opacity($fillStyle['start']);
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$endOpacity = $this->_opacity($fillStyle['end']);
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switch ($fillStyle['direction']) {
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case 'horizontal':
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case 'horizontal_mirror':
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$x1 = '0%';
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$y1 = '0%';
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$x2 = '100%';
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$y2 = '0%';
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break;
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case 'vertical':
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case 'vertical_mirror':
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$x1 = '0%';
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$y1 = '100%';
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$x2 = '0%';
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$y2 = '0%';
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break;
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case 'diagonal_tl_br':
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$x1 = '0%';
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$y1 = '0%';
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$x2 = '100%';
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$y2 = '100%';
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break;
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case 'diagonal_bl_tr':
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$x1 = '0%';
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$y1 = '100%';
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$x2 = '100%';
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$y2 = '0%';
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break;
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case 'radial':
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$cx = '50%';
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$cy = '50%';
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$r = '100%';
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$fx = '50%';
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$fy = '50%';
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break;
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}
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if ($fillStyle['direction'] == 'radial') {
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$this->_addDefine(
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'<radialGradient id="' . $id . '" cx="' .
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$cx .'" cy="' . $cy .'" r="' . $r .'" fx="' .
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$fx .'" fy="' . $fy .'">'
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);
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$this->_addDefine(
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' <stop offset="0%" style="stop-color:' .
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$startColor. ';' . ($startOpacity ? 'stop-opacity:' .
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$startOpacity . ';' : ''). '"/>'
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);
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$this->_addDefine(
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' <stop offset="100%" style="stop-color:' .
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$endColor. ';' . ($endOpacity ? 'stop-opacity:' .
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$endOpacity . ';' : ''). '"/>'
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);
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$this->_addDefine(
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'</radialGradient>'
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);
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} elseif (($fillStyle['direction'] == 'vertical_mirror') ||
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($fillStyle['direction'] == 'horizontal_mirror'))
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{
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$this->_addDefine(
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'<linearGradient id="' . $id . '" x1="' .
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$x1 .'" y1="' . $y1 .'" x2="' . $x2 .'" y2="' .
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$y2 .'">'
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);
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$this->_addDefine(
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' <stop offset="0%" style="stop-color:' .
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$startColor. ';' . ($startOpacity ? 'stop-opacity:' .
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$startOpacity . ';' : ''). '"/>'
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);
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$this->_addDefine(
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' <stop offset="50%" style="stop-color:' .
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$endColor. ';' . ($endOpacity ? 'stop-opacity:' .
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$endOpacity . ';' : ''). '"/>'
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);
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$this->_addDefine(
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' <stop offset="100%" style="stop-color:' .
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$startColor. ';' . ($startOpacity ? 'stop-opacity:' .
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$startOpacity . ';' : ''). '"/>'
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);
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$this->_addDefine(
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'</linearGradient>'
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);
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} else {
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$this->_addDefine(
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'<linearGradient id="' . $id . '" x1="' .
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$x1 .'" y1="' . $y1 .'" x2="' . $x2 .'" y2="' .
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$y2 .'">'
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);
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$this->_addDefine(
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' <stop offset="0%" style="stop-color:' .
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$startColor. ';' . ($startOpacity ? 'stop-opacity:' .
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$startOpacity . ';' : ''). '"/>'
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);
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$this->_addDefine(
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' <stop offset="100%" style="stop-color:' .
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$endColor. ';' . ($endOpacity ? 'stop-opacity:' .
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$endOpacity . ';' : ''). '"/>'
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);
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$this->_addDefine(
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'</linearGradient>'
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);
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}
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return 'fill:url(#' . $id . ');';
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}
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} elseif (($fillStyle != 'transparent') && ($fillStyle !== false)) {
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$result = 'fill:' . $this->_color($fillStyle) . ';';
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if ($opacity = $this->_opacity($fillStyle)) {
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$result .= 'fill-opacity:' . $opacity . ';';
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}
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return $result;
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} else {
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return 'fill:none;';
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}
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}
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/**
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* Sets an image that should be used for filling
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*
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* @param string $filename The filename of the image to fill with
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*/
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function setFillImage($filename)
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{
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}
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/**
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* Sets a gradient fill
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*
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* @param array $gradient Gradient fill options
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*/
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function setGradientFill($gradient)
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{
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$this->_fillStyle = $gradient;
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$this->_fillStyle['type'] = 'gradient';
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}
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/**
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* Sets the font options.
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*
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* The $font array may have the following entries:
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* 'type' = 'ttf' (TrueType) or omitted for default<br>
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* If 'type' = 'ttf' then the following can be specified<br>
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* 'size' = size in pixels<br>
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* 'angle' = the angle with which to write the text
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* 'file' = the .ttf file (either the basename, filename or full path)
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*
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* @param array $font The font options.
|
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|
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*/
|
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|
|
function setFont($fontOptions)
|
||
|
|
{
|
||
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parent::setFont($fontOptions);
|
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|
|
if (!isset($this->_font['size'])) {
|
||
|
|
$this->_font['size'] = 10;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parameter array:
|
||
|
|
* 'x0': int X start point
|
||
|
|
* 'y0': int Y start point
|
||
|
|
* 'x1': int X end point
|
||
|
|
* 'y1': int Y end point
|
||
|
|
* 'color': mixed [optional] The line color
|
||
|
|
* @param array $params Parameter array
|
||
|
|
*/
|
||
|
|
function line($params)
|
||
|
|
{
|
||
|
|
$x0 = $this->_getX($params['x0']);
|
||
|
|
$y0 = $this->_getY($params['y0']);
|
||
|
|
$x1 = $this->_getX($params['x1']);
|
||
|
|
$y1 = $this->_getY($params['y1']);
|
||
|
|
$color = (isset($params['color']) ? $params['color'] : false);
|
||
|
|
|
||
|
|
$style = $this->_getLineStyle($color) . $this->_getFillStyle('transparent');
|
||
|
|
if ($style != '') {
|
||
|
|
$this->_addElement(
|
||
|
|
'<line ' .
|
||
|
|
'x1="' . round($x0) . '" ' .
|
||
|
|
'y1="' . round($y0) . '" ' .
|
||
|
|
'x2="' . round($x1) . '" ' .
|
||
|
|
'y2="' . round($y1) . '" ' .
|
||
|
|
'style="' . $style . '"' .
|
||
|
|
'/>',
|
||
|
|
$params
|
||
|
|
);
|
||
|
|
}
|
||
|
|
parent::line($params);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parameter array:
|
||
|
|
* 'connect': bool [optional] Specifies whether the start point should be
|
||
|
|
* connected to the endpoint (closed polygon) or not (connected line)
|
||
|
|
* 'fill': mixed [optional] The fill color
|
||
|
|
* 'line': mixed [optional] The line color
|
||
|
|
* @param array $params Parameter array
|
||
|
|
*/
|
||
|
|
function polygon($params = array())
|
||
|
|
{
|
||
|
|
$connectEnds = (isset($params['connect']) ? $params['connect'] : false);
|
||
|
|
$fillColor = (isset($params['fill']) ? $params['line'] : false);
|
||
|
|
$lineColor = (isset($params['line']) ? $params['line'] : false);
|
||
|
|
|
||
|
|
if (!$connectEnds) {
|
||
|
|
$fillColor = 'transparent';
|
||
|
|
}
|
||
|
|
$style = $this->_getLineStyle($lineColor) . $this->_getFillStyle($fillColor);
|
||
|
|
|
||
|
|
$first = true;
|
||
|
|
$spline = false;
|
||
|
|
$lastpoint = false;
|
||
|
|
foreach($this->_polygon as $point) {
|
||
|
|
if ($first) {
|
||
|
|
$points = 'M';
|
||
|
|
} elseif (!$spline) {
|
||
|
|
$points .= ' L';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (($spline) && ($lastpoint !== false)) {
|
||
|
|
$points .= ' ' .round($lastpoint['P1X']) . ',' . round($lastpoint['P1Y']) . ' ' .
|
||
|
|
round($lastpoint['P2X']) . ',' . round($lastpoint['P2Y']);
|
||
|
|
}
|
||
|
|
|
||
|
|
$points .= ' ' . round($point['X']) . ',' . round($point['Y']);
|
||
|
|
|
||
|
|
if ((isset($point['P1X'])) && (isset($point['P1Y'])) &&
|
||
|
|
(isset($point['P2X'])) && (isset($point['P2Y'])))
|
||
|
|
{
|
||
|
|
if (($first) || (!$spline)) {
|
||
|
|
$points .= ' C';
|
||
|
|
}
|
||
|
|
$lastpoint = $point;
|
||
|
|
$spline = true;
|
||
|
|
} else {
|
||
|
|
$spline = false;
|
||
|
|
}
|
||
|
|
$first = false;
|
||
|
|
}
|
||
|
|
if ($connectEnds) {
|
||
|
|
$point .= ' Z';
|
||
|
|
}
|
||
|
|
$this->_addElement(
|
||
|
|
'<path ' .
|
||
|
|
'd="' . $points . '" ' .
|
||
|
|
'style="' . $style . '"' .
|
||
|
|
'/>',
|
||
|
|
$params
|
||
|
|
);
|
||
|
|
|
||
|
|
parent::polygon($params);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Draw a rectangle
|
||
|
|
*
|
||
|
|
* Parameter array:
|
||
|
|
* 'x0': int X start point
|
||
|
|
* 'y0': int Y start point
|
||
|
|
* 'x1': int X end point
|
||
|
|
* 'y1': int Y end point
|
||
|
|
* 'fill': mixed [optional] The fill color
|
||
|
|
* 'line': mixed [optional] The line color
|
||
|
|
* @param array $params Parameter array
|
||
|
|
*/
|
||
|
|
function rectangle($params)
|
||
|
|
{
|
||
|
|
$x0 = $this->_getX($params['x0']);
|
||
|
|
$y0 = $this->_getY($params['y0']);
|
||
|
|
$x1 = $this->_getX($params['x1']);
|
||
|
|
$y1 = $this->_getY($params['y1']);
|
||
|
|
$fillColor = (isset($params['fill']) ? $params['line'] : false);
|
||
|
|
$lineColor = (isset($params['line']) ? $params['line'] : false);
|
||
|
|
|
||
|
|
$style = $this->_getLineStyle($lineColor) . $this->_getFillStyle($fillColor);
|
||
|
|
if ($style != '') {
|
||
|
|
$this->_addElement(
|
||
|
|
'<rect ' .
|
||
|
|
'x="' . round($x0) . '" ' .
|
||
|
|
'y="' . round($y0) . '" ' .
|
||
|
|
'width="' . round(abs($x1 - $x0)) . '" ' .
|
||
|
|
'height="' . round(abs($y1 - $y0)) . '" ' .
|
||
|
|
'style="' . $style . '"' .
|
||
|
|
'/>',
|
||
|
|
$params
|
||
|
|
);
|
||
|
|
}
|
||
|
|
parent::rectangle($params);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Draw an ellipse
|
||
|
|
*
|
||
|
|
* Parameter array:
|
||
|
|
* 'x': int X center point
|
||
|
|
* 'y': int Y center point
|
||
|
|
* 'rx': int X radius
|
||
|
|
* 'ry': int Y radius
|
||
|
|
* 'fill': mixed [optional] The fill color
|
||
|
|
* 'line': mixed [optional] The line color
|
||
|
|
* @param array $params Parameter array
|
||
|
|
*/
|
||
|
|
function ellipse($params)
|
||
|
|
{
|
||
|
|
$x = $this->_getX($params['x']);
|
||
|
|
$y = $this->_getY($params['y']);
|
||
|
|
$rx = $this->_getX($params['rx']);
|
||
|
|
$ry = $this->_getY($params['ry']);
|
||
|
|
$fillColor = (isset($params['fill']) ? $params['line'] : false);
|
||
|
|
$lineColor = (isset($params['line']) ? $params['line'] : false);
|
||
|
|
|
||
|
|
$style = $this->_getLineStyle($lineColor) . $this->_getFillStyle($fillColor);
|
||
|
|
if ($style != '') {
|
||
|
|
$this->_addElement(
|
||
|
|
'<ellipse ' .
|
||
|
|
'cx="' . round($x) . '" ' .
|
||
|
|
'cy="' . round($y) . '" ' .
|
||
|
|
'rx="' . round($rx) . '" ' .
|
||
|
|
'ry="' . round($ry) . '" ' .
|
||
|
|
'style="' . $style . '"' .
|
||
|
|
'/>',
|
||
|
|
$params
|
||
|
|
);
|
||
|
|
}
|
||
|
|
parent::ellipse($params);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Draw a pie slice
|
||
|
|
*
|
||
|
|
* Parameter array:
|
||
|
|
* 'x': int X center point
|
||
|
|
* 'y': int Y center point
|
||
|
|
* 'rx': int X radius
|
||
|
|
* 'ry': int Y radius
|
||
|
|
* 'v1': int The starting angle (in degrees)
|
||
|
|
* 'v2': int The end angle (in degrees)
|
||
|
|
* 'srx': int [optional] Starting X-radius of the pie slice (i.e. for a doughnut)
|
||
|
|
* 'sry': int [optional] Starting Y-radius of the pie slice (i.e. for a doughnut)
|
||
|
|
* 'fill': mixed [optional] The fill color
|
||
|
|
* 'line': mixed [optional] The line color
|
||
|
|
* @param array $params Parameter array
|
||
|
|
*/
|
||
|
|
function pieslice($params)
|
||
|
|
{
|
||
|
|
$x = $this->_getX($params['x']);
|
||
|
|
$y = $this->_getY($params['y']);
|
||
|
|
$rx = $this->_getX($params['rx']);
|
||
|
|
$ry = $this->_getY($params['ry']);
|
||
|
|
$v1 = $this->_getX($params['v1']);
|
||
|
|
$v2 = $this->_getY($params['v2']);
|
||
|
|
$srx = (isset($params['srx']) ? $this->_getX($params['srx']) : false);
|
||
|
|
$sry = (isset($params['sry']) ? $this->_getX($params['sry']) : false);
|
||
|
|
$fillColor = (isset($params['fill']) ? $params['line'] : false);
|
||
|
|
$lineColor = (isset($params['line']) ? $params['line'] : false);
|
||
|
|
|
||
|
|
$dv = max($v2, $v1) - min($v2, $v1);
|
||
|
|
if ($dv >= 360) {
|
||
|
|
$this->ellipse($params);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$style = $this->_getLineStyle($lineColor) . $this->_getFillStyle($fillColor);
|
||
|
|
if ($style != '') {
|
||
|
|
$x1 = ($x + $rx * cos(deg2rad(min($v1, $v2) % 360)));
|
||
|
|
$y1 = ($y + $ry * sin(deg2rad(min($v1, $v2) % 360)));
|
||
|
|
$x2 = ($x + $rx * cos(deg2rad(max($v1, $v2) % 360)));
|
||
|
|
$y2 = ($y + $ry * sin(deg2rad(max($v1, $v2) % 360)));
|
||
|
|
$this->_addElement(
|
||
|
|
'<path d="' .
|
||
|
|
'M' . round($x) . ',' . round($y) . ' ' .
|
||
|
|
'L' . round($x1) . ',' . round($y1) . ' ' .
|
||
|
|
'A' . round($rx) . ',' . round($ry) . ($dv > 180 ? ' 0 1,1 ' : ' 0 0,1 ') .
|
||
|
|
round($x2) . ',' . round($y2) . ' ' .
|
||
|
|
'Z" ' .
|
||
|
|
'style="' . $style . '"' .
|
||
|
|
'/>',
|
||
|
|
$params
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
parent::pieslice($params);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the width of a text,
|
||
|
|
*
|
||
|
|
* @param string $text The text to get the width of
|
||
|
|
* @return int The width of the text
|
||
|
|
*/
|
||
|
|
function textWidth($text)
|
||
|
|
{
|
||
|
|
if ((isset($this->_font['vertical'])) && ($this->_font['vertical'])) {
|
||
|
|
return $this->_font['size'];
|
||
|
|
} else {
|
||
|
|
return round($this->_font['size'] * 0.7 * strlen($text));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the height of a text,
|
||
|
|
*
|
||
|
|
* @param string $text The text to get the height of
|
||
|
|
* @return int The height of the text
|
||
|
|
*/
|
||
|
|
function textHeight($text)
|
||
|
|
{
|
||
|
|
if ((isset($this->_font['vertical'])) && ($this->_font['vertical'])) {
|
||
|
|
return round($this->_font['size'] * 0.7 * strlen($text));
|
||
|
|
} else {
|
||
|
|
return $this->_font['size'];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Writes text
|
||
|
|
*
|
||
|
|
* Parameter array:
|
||
|
|
* 'x': int X-point of text
|
||
|
|
* 'y': int Y-point of text
|
||
|
|
* 'text': string The text to add
|
||
|
|
* 'alignment': array [optional] Alignment
|
||
|
|
* 'color': mixed [optional] The color of the text
|
||
|
|
*/
|
||
|
|
function addText($params)
|
||
|
|
{
|
||
|
|
$x = $this->_getX($params['x']);
|
||
|
|
$y = $this->_getY($params['y']);
|
||
|
|
$text = $params['text'];
|
||
|
|
$color = (isset($params['color']) ? $params['color'] : false);
|
||
|
|
$alignment = (isset($params['alignment']) ? $params['alignment'] : false);
|
||
|
|
|
||
|
|
$textHeight = $this->textHeight($text);
|
||
|
|
|
||
|
|
if (!is_array($alignment)) {
|
||
|
|
$alignment = array('vertical' => 'top', 'horizontal' => 'left');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($alignment['vertical'])) {
|
||
|
|
$alignment['vertical'] = 'top';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($alignment['horizontal'])) {
|
||
|
|
$alignment['horizontal'] = 'left';
|
||
|
|
}
|
||
|
|
|
||
|
|
$align = '';
|
||
|
|
|
||
|
|
if ((isset($this->_font['vertical'])) && ($this->_font['vertical'])) {
|
||
|
|
$align .= 'writing-mode: tb-rl;';
|
||
|
|
|
||
|
|
if ($alignment['vertical'] == 'bottom') {
|
||
|
|
$align .= 'text-anchor:end;';
|
||
|
|
//$y = $y + $textHeight;
|
||
|
|
} elseif ($alignment['vertical'] == 'center') {
|
||
|
|
//$y = $y + ($textHeight / 2);
|
||
|
|
$align .= 'text-anchor:middle;';
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if ($alignment['horizontal'] == 'right') {
|
||
|
|
$align .= 'text-anchor:end;';
|
||
|
|
} elseif ($alignment['horizontal'] == 'center') {
|
||
|
|
$align .= 'text-anchor:middle;';
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($alignment['vertical'] == 'top') {
|
||
|
|
$y = $y + $textHeight;
|
||
|
|
} elseif ($alignment['vertical'] == 'center') {
|
||
|
|
$y = $y + ($textHeight / 2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (($color === false) && (isset($this->_font['color']))) {
|
||
|
|
$color = $this->_font['color'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$textColor = $this->_color($color);
|
||
|
|
$textOpacity = $this->_opacity($color);
|
||
|
|
|
||
|
|
$this->_addElement(
|
||
|
|
'<text ' .
|
||
|
|
'x="' . round($x) . '" ' .
|
||
|
|
'y="' . round($y) . '" ' .
|
||
|
|
/* (isset($this->_font['angle']) && ($this->_font['angle'] > 0) ?
|
||
|
|
'rotate="' . $this->_font['angle'] . '" ' :
|
||
|
|
''
|
||
|
|
) .*/
|
||
|
|
'style="' .
|
||
|
|
(isset($this->_font['name']) ?
|
||
|
|
'font-family:' . $this->_font['name'] . ';' : '') .
|
||
|
|
'font-size:' . $this->_font['size'] . 'px;fill=' .
|
||
|
|
$textColor . ($textOpacity ? ';fill-opacity:' .
|
||
|
|
$textOpacity :
|
||
|
|
''
|
||
|
|
) . ';' . $align . '">' .
|
||
|
|
str_replace('&', '&', $text) .
|
||
|
|
'</text>',
|
||
|
|
$params
|
||
|
|
);
|
||
|
|
parent::addText($params);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Overlay image
|
||
|
|
*
|
||
|
|
* Parameter array:
|
||
|
|
* 'x': int X-point of overlayed image
|
||
|
|
* 'y': int Y-point of overlayed image
|
||
|
|
* 'filename': string The filename of the image to overlay
|
||
|
|
* 'width': int [optional] The width of the overlayed image (resizing if possible)
|
||
|
|
* 'height': int [optional] The height of the overlayed image (resizing if possible)
|
||
|
|
* 'alignment': array [optional] Alignment
|
||
|
|
*/
|
||
|
|
function image($params)
|
||
|
|
{
|
||
|
|
$x = $this->_getX($params['x']);
|
||
|
|
$y = $this->_getY($params['y']);
|
||
|
|
$filename = $params['filename'];
|
||
|
|
|
||
|
|
list($width, $height, $type, $attr) = getimagesize($filename);
|
||
|
|
$width = (isset($params['width']) ? $params['width'] : $width);
|
||
|
|
$height = (isset($params['height']) ? $params['height'] : $height);
|
||
|
|
$alignment = (isset($params['alignment']) ? $params['alignment'] : false);
|
||
|
|
|
||
|
|
$file = fopen($filename, 'rb');
|
||
|
|
$filedata = fread($file, filesize($filename));
|
||
|
|
fclose($file);
|
||
|
|
|
||
|
|
$data = 'data:' . image_type_to_mime_type($type) . ';base64,' . base64_encode($filedata);
|
||
|
|
$this->_addElement(
|
||
|
|
'<image xlink:href="' . $data . '" x="' . $x . '" y="' . $y . '"' .
|
||
|
|
($width ? ' width="' . $width . '"' : '') .
|
||
|
|
($height ? ' height="' . $height . '"' : '') .
|
||
|
|
' preserveAspectRatio="none"/>',
|
||
|
|
$params
|
||
|
|
);
|
||
|
|
parent::image($params);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Start a group.
|
||
|
|
*
|
||
|
|
* What this does, depends on the canvas/format.
|
||
|
|
*
|
||
|
|
* @param string $name The name of the group
|
||
|
|
*/
|
||
|
|
function startGroup($name = false)
|
||
|
|
{
|
||
|
|
$name = strtolower(str_replace(' ', '_', $name));
|
||
|
|
if (in_array($name, $this->_groupIDs)) {
|
||
|
|
$name .= $this->_id;
|
||
|
|
$this->_id++;
|
||
|
|
}
|
||
|
|
$this->_groupIDs[] = $name;
|
||
|
|
$this->_addElement('<g id="' . $name . '">');
|
||
|
|
$this->_indent .= ' ';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* End the "current" group.
|
||
|
|
*
|
||
|
|
* What this does, depends on the canvas/format.
|
||
|
|
*/
|
||
|
|
function endGroup()
|
||
|
|
{
|
||
|
|
$this->_indent = substr($this->_indent, 0, -4);
|
||
|
|
$this->_addElement('</g>');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Output the result of the canvas
|
||
|
|
*
|
||
|
|
* @param array $param Parameter array
|
||
|
|
*/
|
||
|
|
function show($param = false)
|
||
|
|
{
|
||
|
|
parent::show($param);
|
||
|
|
$output = '<?xml version="1.0" encoding="iso-8859-1"?>' . "\n" .
|
||
|
|
'<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN"' . "\n\t" .
|
||
|
|
' "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">' . "\n" .
|
||
|
|
'<svg width="' . $this->_width . '" height="' . $this->_height .
|
||
|
|
'" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">' . "\n" .
|
||
|
|
($this->_defs ?
|
||
|
|
' <defs>' . "\n" .
|
||
|
|
$this->_defs .
|
||
|
|
' </defs>' . "\n" :
|
||
|
|
''
|
||
|
|
) .
|
||
|
|
$this->_elements .
|
||
|
|
'</svg>';
|
||
|
|
|
||
|
|
header('Content-Type: image/svg+xml');
|
||
|
|
header('Content-Disposition: inline; filename = "' . basename($_SERVER['PHP_SELF'], '.php') . '.svg"');
|
||
|
|
print $output;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Output the result of the canvas
|
||
|
|
*
|
||
|
|
* @param array $param Parameter array
|
||
|
|
*/
|
||
|
|
function save($param = false)
|
||
|
|
{
|
||
|
|
parent::save($param);
|
||
|
|
$output = '<?xml version="1.0" encoding="iso-8859-1"?>' . "\n" .
|
||
|
|
'<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN"' . "\n\t" .
|
||
|
|
' "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">' . "\n" .
|
||
|
|
'<svg width="' . $this->_width . '" height="' . $this->_height .
|
||
|
|
'" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">' . "\n" .
|
||
|
|
($this->_defs ?
|
||
|
|
' <defs>' . "\n" .
|
||
|
|
$this->_defs .
|
||
|
|
' </defs>' . "\n" :
|
||
|
|
''
|
||
|
|
) .
|
||
|
|
$this->_elements .
|
||
|
|
'</svg>';
|
||
|
|
|
||
|
|
$file = fopen($param['filename'], 'w+');
|
||
|
|
fwrite($file, $output);
|
||
|
|
fclose($file);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a canvas specific HTML tag.
|
||
|
|
*
|
||
|
|
* This method implicitly saves the canvas to the filename in the
|
||
|
|
* filesystem path specified and parses it as URL specified by URL path
|
||
|
|
*
|
||
|
|
* Parameter array:
|
||
|
|
* 'filename': string
|
||
|
|
* 'filepath': string Path to the file on the file system. Remember the final slash
|
||
|
|
* 'urlpath': string Path to the file available through an URL. Remember the final slash
|
||
|
|
* 'width': int The width in pixels
|
||
|
|
* 'height': int The height in pixels
|
||
|
|
*/
|
||
|
|
function toHtml($params)
|
||
|
|
{
|
||
|
|
parent::toHtml($params);
|
||
|
|
return '<embed src="' . $params['urlpath'] . $params['filename'] . '" width=' . $params['width'] . ' height=' . $params['height'] . ' type="image/svg+xml">';
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
?>
|