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+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * Image_Canvas
+ *
+ * Canvas based creation of images to facilitate different output formats
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version. This library is distributed in the hope that it
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+ * General Public License for more details. You should have received a copy of
+ * the GNU Lesser General Public License along with this library; if not, write
+ * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ *
+ * @category Images
+ * @package Image_Canvas
+ * @author Jesper Veggerby <pear.nosey@veggerby.dk>
+ * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
+ * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version CVS: $Id$
+ * @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
+ */
+
+/**
+ * Class for handling different output formats including a HTML image map
+ *
+ * @category Images
+ * @package Image_Canvas
+ * @author Jesper Veggerby <pear.nosey@veggerby.dk>
+ * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
+ * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
+ * @version Release: @package_version@
+ * @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
+ * @since version 0.2.0
+ * @abstract
+ */
+class Image_Canvas_WithMap extends Image_Canvas
+{
+
+ /**
+ * The image map
+ * @var Image_Canvas_ImageMap
+ * @access private
+ */
+ var $_imageMap = null;
+
+ /**
+ * Create the canvas.
+ *
+ * Parameters available:
+ *
+ * 'width' The width of the graph on the canvas
+ *
+ * 'height' The height of the graph on the canvas
+ *
+ * 'left' The left offset of the graph on the canvas
+ *
+ * 'top' The top offset of the graph on the canvas
+ *
+ * 'usemap' Initialize an image map
+ *
+ * @param array $params Parameter array
+ * @abstract
+ */
+ function Image_Canvas_WithMap($params)
+ {
+ parent::Image_Canvas($params);
+
+ if ((isset($params['usemap'])) && ($params['usemap'] === true)) {
+ $this->_imageMap =& Image_Canvas::factory(
+ 'ImageMap',
+ array(
+ 'left' => $this->_left,
+ 'top' => $this->_top,
+ 'width' => $this->_width,
+ 'height' => $this->_height
+ )
+ );
+ }
+ }
+ /**
+ * Draw a line
+ *
+ * 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)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->line($params);
+ }
+ parent::line($params);
+ }
+
+ /**
+ * Adds vertex to a polygon
+ *
+ * Parameter array:
+ * 'x': int X point
+ * 'y': int Y point
+ * @param array $params Parameter array
+ */
+ function addVertex($params)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->addVertex($params);
+ }
+ parent::addVertex($params);
+ }
+
+ /**
+ * Adds "splined" vertex to a polygon
+ *
+ * Parameter array:
+ * 'x': int X point
+ * 'y': int Y point
+ * 'p1x': X Control point 1
+ * 'p1y': Y Control point 1
+ * 'p2x': X Control point 2
+ * 'p2y': Y Control point 2
+ * @param array $params Parameter array
+ */
+ function addSpline($params)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->addSpline($params);
+ }
+ parent::addSpline($params);
+ }
+
+ /**
+ * Draws a polygon
+ *
+ * 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)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->polygon($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)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->rectangle($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)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->ellipse($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)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->pieslice($params);
+ }
+ parent::pieslice($params);
+ }
+
+ /**
+ * Writes text
+ *
+ * Parameter array:
+ * 'x': int X-point of text
+ * 'y': int Y-point of text
+ * 'text': string The text to add
+ * 'alignment': array [optional] Alignment
+ * 'color': mixed [optional] The color of the text
+ */
+ function addText($params)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->addText($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)
+ {
+ if (isset($this->_imageMap)) {
+ $this->_imageMap->image($params);
+ }
+ parent::image($params);
+ }
+
+ /**
+ * Get the imagemap
+ * @return Image_Graph_ImageMap The image map (or false if none)
+ */
+ function &getImageMap()
+ {
+ $result = null;
+ if (isset($this->_imageMap)) {
+ $result =& $this->_imageMap;
+ }
+ return $result;
+ }
+
+}
+
+?> \ No newline at end of file
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