archive some more dead packages

1 files changed, 851 insertions, 0 deletions

diff --git a/config/archive/dspam/pear/Image/Graph.php b/config/archive/dspam/pear/Image/Graph.php
new file mode 100644
index 00000000..d2e2492b
--- /dev/null
+++ b/config/archive/dspam/pear/Image/Graph.php
@@ -0,0 +1,851 @@
+<?php
+
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * Image_Graph - Main class for the graph creation.
+ *
+ * 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_Graph
+ * @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/package/Image_Graph
+ */
+
+
+/**
+ * Include PEAR.php
+ */
+require_once 'PEAR.inc';
+
+/**
+ * Include file Image/Graph/Element.php
+ */
+require_once 'Image/Graph/Element.php';
+
+/**
+ * Include file Image/Graph/Constants.php
+ */
+require_once 'Image/Graph/Constants.php';
+
+/**
+ * Main class for the graph creation.
+ *
+ * This is the main class, it manages the canvas and performs the final output
+ * by sequentialy making the elements output their results. The final output is
+ * handled using the {@link Image_Canvas} classes which makes it possible
+ * to use different engines (fx GD, PDFlib, libswf, etc) for output to several
+ * formats with a non-intersecting API.
+ *
+ * This class also handles coordinates and the correct managment of setting the
+ * correct coordinates on child elements.
+ *
+ * @category   Images
+ * @package    Image_Graph
+ * @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/package/Image_Graph
+ */
+class Image_Graph extends Image_Graph_Element
+{
+
+    /**
+     * Show generation time on graph
+     * @var bool
+     * @access private
+     */
+    var $_showTime = false;
+
+    /**
+     * Display errors on the canvas
+     * @var boolean
+     * @access private
+     */
+    var $_displayErrors = false;
+
+    /**
+     * Image_Graph [Constructor].
+     *
+     * If passing the 3 parameters they are defined as follows:'
+     * 
+     * Fx.:
+     * 
+     * $Graph =& new Image_Graph(400, 300);
+     * 
+     * or using the factory method:
+     * 
+     * $Graph =& Image_Graph::factory('graph', array(400, 300));
+     * 
+     * This causes a 'png' canvas to be created by default. 
+     * 
+     * Otherwise use a single parameter either as an associated array or passing
+     * the canvas along to the constructor:
+     *
+     * 1) Create a new canvas with the following parameters:
+     *
+     * 'canvas' - The canvas type, can be any of 'gd', 'jpg', 'png' or 'svg'
+     * (more to come) - if omitted the default is 'gd'
+     *
+     * 'width' - The width of the graph
+     *
+     * 'height' - The height of the graph
+     * 
+     * An example of this usage:
+     * 
+     * $Graph =& Image_Graph::factory('graph', array(array('width' => 400,
+     * 'height' => 300, 'canvas' => 'jpg')));
+     * 
+     * NB! In thïs case remember the "double" array (see {@link Image_Graph::
+     * factory()})
+     * 
+     * 2) Use the canvas specified, pass a valid Image_Canvas as
+     * parameter. Remember to pass by reference, i. e. &amp;$canvas, fx.:
+     *
+     * $Graph =& new Image_Graph($Canvas);
+     *
+     * or using the factory method:
+     *
+     * $Graph =& Image_Graph::factory('graph', $Canvas));
+     *
+     * @param mixed $params The width of the graph, an indexed array
+     * describing a new canvas or a valid {@link Image_Canvas} object
+     * @param int $height The height of the graph in pixels
+     * @param bool $createTransparent Specifies whether the graph should be
+     *   created with a transparent background (fx for PNG's - note: transparent
+     *   PNG's is not supported by Internet Explorer!)
+     */
+    function Image_Graph($params, $height = false, $createTransparent = false)
+    {
+        parent::Image_Graph_Element();
+
+        $this->setFont(Image_Graph::factory('Image_Graph_Font'));
+
+        if (defined('IMAGE_GRAPH_DEFAULT_CANVAS_TYPE')) {
+            $canvasType = IMAGE_GRAPH_DEFAULT_CANVAS_TYPE;
+        } else {
+            $canvasType = 'png'; // use GD as default, if nothing else is specified
+        }
+
+        if (is_array($params)) {
+            if (isset($params['canvas'])) {
+                $canvasType = $params['canvas'];
+            }
+
+            $width = 0;
+            $height = 0;
+
+            if (isset($params['width'])) {
+                $width = $params['width'];
+            }
+
+            if (isset($params['height'])) {
+                $height = $params['height'];
+            }
+        } elseif (is_a($params, 'Image_Canvas')) {
+            $this->_canvas =& $params;
+            $width = $this->_canvas->getWidth();
+            $height = $this->_canvas->getHeight();
+        } elseif (is_numeric($params)) {
+            $width = $params;
+        }
+
+        if ($this->_canvas == null) {
+            include_once 'Image/Canvas.php';
+            $this->_canvas =&
+                Image_Canvas::factory(
+                    $canvasType,
+                    array('width' => $width, 'height' => $height)
+                );
+        }
+
+        $this->_setCoords(0, 0, $width - 1, $height - 1);
+    }
+
+    /**
+     * Gets the canvas for this graph.
+     *
+     * The canvas is set by either passing it to the constructor {@link
+     * Image_Graph::ImageGraph()} or using the {@link Image_Graph::setCanvas()}
+     * method.
+     *
+     * @return Image_Canvas The canvas used by this graph
+     * @access private
+     * @since 0.3.0dev2
+     */
+    function &_getCanvas()
+    {
+        return $this->_canvas;
+    }
+
+    /**
+     * Sets the canvas for this graph.
+     *
+     * Calling this method makes this graph use the newly specified canvas for
+     * handling output. This method should be called whenever multiple
+     * 'outputs' are required. Invoke this method after calls to {@link
+     * Image_Graph:: done()} has been performed, to switch canvass.
+     *
+     * @param Image_Canvas $canvas The new canvas
+     * @return Image_Canvas The new canvas
+     * @since 0.3.0dev2
+     */
+    function &setCanvas(&$canvas)
+    {
+        if (!is_a($this->_canvas, 'Image_Canvas')) {
+            return $this->_error('The canvas introduced is not an Image_Canvas object');
+        }
+        
+        $this->_canvas =& $canvas;
+        $this->_setCoords(
+            0,
+            0,
+            $this->_canvas->getWidth() - 1,
+            $this->_canvas->getHeight() - 1
+        );
+        return $this->_canvas;
+    }
+
+    /**
+     * Gets a very precise timestamp
+     *
+     * @return The number of seconds to a lot of decimals
+     * @access private
+     */
+    function _getMicroTime()
+    {
+        list($usec, $sec) = explode(' ', microtime()); 
+        return ((float)$usec + (float)$sec); 
+    }
+
+    /**
+     * Gets the width of this graph.
+     *
+     * The width is returned as 'defined' by the canvas.
+     *
+     * @return int the width of this graph
+     */
+    function width()
+    {
+        return $this->_canvas->getWidth();
+    }
+
+    /**
+     * Gets the height of this graph.
+     *
+     * The height is returned as 'defined' by the canvas.
+     *
+     * @return int the height of this graph
+     */
+    function height()
+    {
+        return $this->_canvas->getHeight();
+    }
+
+    /**
+     * Enables displaying of errors on the output.
+     *
+     * Use this method to enforce errors to be displayed on the output. Calling
+     * this method makes PHP uses this graphs error handler as default {@link
+     * Image_Graph::_default_error_handler()}.
+     */
+    function displayErrors()
+    {
+        $this->_displayErrors = true;
+        set_error_handler(array(&$this, '_default_error_handler'));
+    }
+
+    /**
+     * Sets the log method for this graph.
+     *
+     * Use this method to enable logging. This causes any errors caught
+     * by either the error handler {@see Image_Graph::displayErrors()}
+     * or explicitly by calling {@link Image_Graph_Common::_error()} be
+     * logged using the specified logging method.
+     *
+     * If a filename is specified as log method, a Log object is created (using
+     * the 'file' handler), with a handle of 'Image_Graph Error Log'.
+     *
+     * Logging requires {@link Log}.
+     *
+     * @param mixed $log The log method, either a Log object or filename to log
+     * to
+	 * @since 0.3.0dev2
+     */
+    function setLog($log)
+    {
+    }
+
+    /**
+     * Factory method to create Image_Graph objects.
+     *
+     * Used for 'lazy including', i.e. loading only what is necessary, when it
+     * is necessary. If only one parameter is required for the constructor of
+     * the class simply pass this parameter as the $params parameter, unless the
+     * parameter is an array or a reference to a value, in that case you must
+     * 'enclose' the parameter in an array. Similar if the constructor takes
+     * more than one parameter specify the parameters in an array, i.e
+     *
+     * Image_Graph::factory('MyClass', array($param1, $param2, &$param3));
+     *
+     * Variables that need to be passed by reference *must* have the &amp;
+     * before the variable, i.e:
+     *
+     * Image_Graph::factory('line', &$Dataset);
+     *
+     * or
+     *
+     * Image_graph::factory('bar', array(array(&$Dataset1, &$Dataset2),
+     * 'stacked'));
+     *
+     * Class name can be either of the following:
+     *
+     * 1 The 'real' Image_Graph class name, i.e. Image_Graph_Plotarea or
+     * Image_Graph_Plot_Line
+     *
+     * 2 Short class name (leave out Image_Graph) and retain case, i.e.
+     * Plotarea, Plot_Line *not* plot_line
+     *
+     * 3 Class name 'alias', the following are supported:
+     *
+     * 'graph' = Image_Graph
+     *
+     * 'plotarea' = Image_Graph_Plotarea
+     *
+     * 'line' = Image_Graph_Plot_Line
+     *
+     * 'area' = Image_Graph_Plot_Area
+     *
+     * 'bar' = Image_Graph_Plot_Bar
+     *
+     * 'pie' = Image_Graph_Plot_Pie
+     *
+     * 'radar' = Image_Graph_Plot_Radar
+     *
+     * 'step' = Image_Graph_Plot_Step
+     *
+     * 'impulse' = Image_Graph_Plot_Impulse
+     *
+     * 'dot' or 'scatter' = Image_Graph_Plot_Dot
+     *
+     * 'smooth_line' = Image_Graph_Plot_Smoothed_Line
+     *
+     * 'smooth_area' = Image_Graph_Plot_Smoothed_Area
+
+     * 'dataset' = Image_Graph_Dataset_Trivial
+     *
+     * 'random' = Image_Graph_Dataset_Random
+     *
+     * 'function' = Image_Graph_Dataset_Function
+     *
+     * 'vector' = Image_Graph_Dataset_VectorFunction
+     *
+     * 'category' = Image_Graph_Axis_Category
+     *
+     * 'axis' = Image_Graph_Axis
+     *
+     * 'axis_log' = Image_Graph_Axis_Logarithmic
+     *
+     * 'title' = Image_Graph_Title
+     *
+     * 'line_grid' = Image_Graph_Grid_Lines
+     *
+     * 'bar_grid' = Image_Graph_Grid_Bars
+     *
+     * 'polar_grid' = Image_Graph_Grid_Polar
+     *
+     * 'legend' = Image_Graph_Legend
+     *
+     * 'font' = Image_Graph_Font
+     *
+     * 'ttf_font' = Image_Graph_Font
+     * 
+     * 'Image_Graph_Font_TTF' = Image_Graph_Font (to maintain BC with Image_Graph_Font_TTF)
+     *
+     * 'gradient' = Image_Graph_Fill_Gradient
+     *
+     * 'icon_marker' = Image_Graph_Marker_Icon
+     *
+     * 'value_marker' = Image_Graph_Marker_Value
+     *
+     * @param string $class The class for the new object
+     * @param mixed $params The paramaters to pass to the constructor
+     * @return object A new object for the class
+     * @static
+     */
+    function &factory($class, $params = null)
+    {
+    	static $Image_Graph_classAliases = array(
+			'graph'          => 'Image_Graph',
+			'plotarea'       => 'Image_Graph_Plotarea',            
+
+			'line'           => 'Image_Graph_Plot_Line',
+			'area'           => 'Image_Graph_Plot_Area',
+			'bar'            => 'Image_Graph_Plot_Bar',
+			'smooth_line'    => 'Image_Graph_Plot_Smoothed_Line',
+			'smooth_area'    => 'Image_Graph_Plot_Smoothed_Area',
+			'pie'            => 'Image_Graph_Plot_Pie',
+			'radar'          => 'Image_Graph_Plot_Radar',
+			'step'           => 'Image_Graph_Plot_Step',
+			'impulse'        => 'Image_Graph_Plot_Impulse',
+			'dot'            => 'Image_Graph_Plot_Dot',
+            'scatter'        => 'Image_Graph_Plot_Dot',
+
+			'dataset'        => 'Image_Graph_Dataset_Trivial',
+			'random'         => 'Image_Graph_Dataset_Random',
+			'function'       => 'Image_Graph_Dataset_Function',
+			'vector'         => 'Image_Graph_Dataset_VectorFunction',
+
+            'category'       => 'Image_Graph_Axis_Category',
+			'axis'           => 'Image_Graph_Axis',
+			'axis_log'       => 'Image_Graph_Axis_Logarithmic',
+
+			'title'          => 'Image_Graph_Title',
+
+			'line_grid'      => 'Image_Graph_Grid_Lines',
+			'bar_grid'       => 'Image_Graph_Grid_Bars',
+			'polar_grid'     => 'Image_Graph_Grid_Polar',
+
+			'legend'         => 'Image_Graph_Legend',
+			'font'			 => 'Image_Graph_Font',
+			'ttf_font'       => 'Image_Graph_Font',
+			'Image_Graph_Font_TTF' => 'Image_Graph_Font', // BC with Image_Graph_Font_TTF
+			'gradient'       => 'Image_Graph_Fill_Gradient',
+
+			'icon_marker'    => 'Image_Graph_Marker_Icon',
+			'value_marker'   => 'Image_Graph_Marker_Value'
+		);
+    		    		    	
+        if (substr($class, 0, 11) != 'Image_Graph') {
+        	if (isset($Image_Graph_classAliases[$class])) {
+        		$class = $Image_Graph_classAliases[$class];
+        	} else {
+        		$class = 'Image_Graph_' . $class;
+        	}
+        }
+
+        include_once str_replace('_', '/', $class) . '.php';
+
+        $obj = null;
+
+        if (is_array($params)) {
+            switch (count($params)) {
+            case 1:
+                $obj =& new $class(
+                    $params[0]
+                );
+                break;
+
+            case 2:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1]
+                );
+                break;
+
+            case 3:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1],
+                    $params[2]
+                );
+                break;
+
+            case 4:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1],
+                    $params[2],
+                    $params[3]
+                );
+                break;
+
+            case 5:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1],
+                    $params[2],
+                    $params[3],
+                    $params[4]
+                );
+                break;
+
+            case 6:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1],
+                    $params[2],
+                    $params[3],
+                    $params[4],
+                    $params[5]
+                );
+                break;
+
+            case 7:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1],
+                    $params[2],
+                    $params[3],
+                    $params[4],
+                    $params[5],
+                    $params[6]
+                );
+                break;
+
+            case 8:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1],
+                    $params[2],
+                    $params[3],
+                    $params[4],
+                    $params[5],
+                    $params[6],
+                    $params[7]
+                );
+                break;
+
+            case 9:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1],
+                    $params[2],
+                    $params[3],
+                    $params[4],
+                    $params[5],
+                    $params[6],
+                    $params[7],
+                    $params[8]
+                );
+                break;
+
+            case 10:
+                $obj =& new $class(
+                    $params[0],
+                    $params[1],
+                    $params[2],
+                    $params[3],
+                    $params[4],
+                    $params[5],
+                    $params[6],
+                    $params[7],
+                    $params[8],
+                    $params[9]
+                );
+                break;
+
+            default:
+                $obj =& new $class();
+                break;
+
+            }
+        } else {
+            if ($params == null) {
+                $obj =& new $class();
+            } else {
+                $obj =& new $class($params);
+            }
+    	}
+        return $obj;
+    }
+
+    /**
+     * Factory method to create layouts.
+     *
+     * This method is used for easy creation, since using {@link Image_Graph::
+     * factory()} does not work with passing newly created objects from
+     * Image_Graph::factory() as reference, this is something that is
+     * fortunately fixed in PHP5. Also used for 'lazy including', i.e. loading
+     * only what is necessary, when it is necessary.
+     *
+     * Use {@link Image_Graph::horizontal()} or {@link Image_Graph::vertical()}
+     * instead for easier access.
+     *
+     * @param mixed $layout The type of layout, can be either 'Vertical'
+     *   or 'Horizontal' (case sensitive)
+     * @param Image_Graph_Element $part1 The 1st part of the layout
+     * @param Image_Graph_Element $part2 The 2nd part of the layout
+     * @param int $percentage The percentage of the layout to split at
+     * @return Image_Graph_Layout The newly created layout object
+     * @static
+     */
+    function &layoutFactory($layout, &$part1, &$part2, $percentage = 50)
+    {
+        if (($layout != 'Vertical') && ($layout != 'Horizontal')) {
+            return $this->_error('Layouts must be either \'Horizontal\' or \'Vertical\'');
+        }
+        
+        if (!(is_a($part1, 'Image_Graph_Element'))) {
+            return $this->_error('Part 1 is not a valid Image_Graph element');
+        }
+        
+        if (!(is_a($part2, 'Image_Graph_Element'))) {
+            return $this->_error('Part 2 is not a valid Image_Graph element');
+        }
+        
+        if ((!is_numeric($percentage)) || ($percentage < 0) || ($percentage > 100)) {
+            return $this->_error('Percentage has to be a number between 0 and 100');
+        }
+        
+        include_once "Image/Graph/Layout/$layout.php";
+        $class = "Image_Graph_Layout_$layout";
+        $obj =& new $class($part1, $part2, $percentage);
+        return $obj;
+    }
+
+    /**
+     * Factory method to create horizontal layout.
+     *
+     * See {@link Image_Graph::layoutFactory()}
+     *
+     * @param Image_Graph_Element $part1 The 1st (left) part of the layout
+     * @param Image_Graph_Element $part2 The 2nd (right) part of the layout
+     * @param int $percentage The percentage of the layout to split at
+     *   (percentage of total height from the left side)
+     * @return Image_Graph_Layout The newly created layout object
+     * @static
+     */
+    function &horizontal(&$part1, &$part2, $percentage = 50)
+    {
+        $obj =& Image_Graph::layoutFactory('Horizontal', $part1, $part2, $percentage);
+        return $obj;
+    }
+
+    /**
+     * Factory method to create vertical layout.
+     *
+     * See {@link Image_Graph::layoutFactory()}
+     *
+     * @param Image_Graph_Element $part1 The 1st (top) part of the layout
+     * @param Image_Graph_Element $part2 The 2nd (bottom) part of the layout
+     * @param int $percentage The percentage of the layout to split at
+     *   (percentage of total width from the top edge)
+     * @return Image_Graph_Layout The newly created layout object
+     * @static
+     */
+    function &vertical(&$part1, &$part2, $percentage = 50)
+    {
+        $obj =& Image_Graph::layoutFactory('Vertical', $part1, $part2, $percentage);
+        return $obj;
+    }
+
+    /**
+     * The error handling routine set by set_error_handler().
+     *
+     * This method is used internaly by Image_Graph and PHP as a proxy for {@link
+     * Image_Graph::_error()}. 
+     *
+     * @param string $error_type The type of error being handled.
+     * @param string $error_msg The error message being handled.
+     * @param string $error_file The file in which the error occurred.
+     * @param integer $error_line The line in which the error occurred.
+     * @param string $error_context The context in which the error occurred.
+     * @access private
+     */
+    function _default_error_handler($error_type, $error_msg, $error_file, $error_line, $error_context)
+    {
+        switch( $error_type ) {
+        case E_ERROR:
+            $level = 'error';
+            break;
+
+        case E_USER_ERROR:
+            $level = 'user error';
+            break;
+
+        case E_WARNING:
+            $level = 'warning';
+            break;
+
+        case E_USER_WARNING:
+            $level = 'user warning';
+            break;
+
+        case E_NOTICE:
+            $level = 'notice';
+            break;
+
+        case E_USER_NOTICE:
+            $level = 'user notice';
+            break;
+
+        default:
+            $level = '(unknown)';
+            break;
+
+        }
+
+        $this->_error("PHP $level: $error_msg",
+            array(
+                'type' => $error_type,
+                'file' => $error_file,
+                'line' => $error_line,
+                'context' => $error_context
+            )
+        );
+    }
+
+    /**
+     * Displays the errors on the error stack.
+     *
+     * Invoking this method cause all errors on the error stack to be displayed
+     * on the graph-output, by calling the {@link Image_Graph::_displayError()}
+     * method.
+     *
+     * @access private
+     */
+    function _displayErrors()
+    {
+        return true;
+    }
+
+    /**
+     * Display an error from the error stack.
+     *
+     * This method writes error messages caught from the {@link Image_Graph::
+     * _default_error_handler()} if {@Image_Graph::displayErrors()} was invoked,
+     * and the error explicitly set by the system using {@link
+     * Image_Graph_Common::_error()}.
+     *
+     * @param int $x The horizontal position of the error message
+     * @param int $y The vertical position of the error message
+     * @param array $error The error context
+     *
+     * @access private
+     */
+    function _displayError($x, $y, $error)
+    {
+    }
+
+    /**
+     * Outputs this graph using the canvas.
+     *
+     * This causes the graph to make all elements perform their output. Their
+     * result is 'written' to the output using the canvas, which also performs
+     * the actual output, fx. it being to a file or directly to the browser
+     * (in the latter case, the canvas will also make sure the correct HTTP
+     * headers are sent, making the browser handle the output correctly, if
+     * supported by it).
+     * 
+     * Parameters are the ones supported by the canvas, common ones are:
+     * 
+     * 'filename' To output to a file instead of browser
+     * 
+     * 'tohtml' Return a HTML string that encompasses the current graph/canvas - this
+     * implies an implicit save using the following parameters: 'filename' The "temporary"
+     * filename of the graph, 'filepath' A path in the file system where Image_Graph can
+     * store the output (this file must be in DOCUMENT_ROOT scope), 'urlpath' The URL that the
+     * 'filepath' corresponds to (i.e. filepath + filename must be reachable from a browser using
+     * urlpath + filename) 
+     *
+     * @param mixed $param The output parameters to pass to the canvas
+     * @return bool Was the output 'good' (true) or 'bad' (false).
+     */
+    function done($param = false)
+    {
+        $result = $this->_reset();
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        return $this->_done($param);
+    }
+
+    /**
+     * Outputs this graph using the canvas.
+     *
+     * This causes the graph to make all elements perform their output. Their
+     * result is 'written' to the output using the canvas, which also performs
+     * the actual output, fx. it being to a file or directly to the browser
+     * (in the latter case, the canvas will also make sure the correct HTTP
+     * headers are sent, making the browser handle the output correctly, if
+     * supported by it).
+     *
+     * @param mixed $param The output parameters to pass to the canvas
+     * @return bool Was the output 'good' (true) or 'bad' (false).
+     * @access private
+     */
+    function _done($param = false)
+    {
+        $timeStart = $this->_getMicroTime();
+
+        if ($this->_shadow) {
+            $this->setPadding(20);
+            $this->_setCoords(
+                $this->_left,
+                $this->_top,
+                $this->_right - 10,
+                $this->_bottom - 10);
+        }
+
+        $result = $this->_updateCoords();        
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        if ($this->_getBackground()) {
+            $this->_canvas->rectangle(
+            	array(
+                	'x0' => $this->_left,
+                	'y0' => $this->_top,
+                	'x1' => $this->_right,
+                	'y1' => $this->_bottom
+                )
+            );
+        }
+
+        $result = parent::_done();
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        if ($this->_displayErrors) {
+            $this->_displayErrors();
+        }
+
+        $timeEnd = $this->_getMicroTime();
+
+        if (($this->_showTime) || 
+            ((isset($param['showtime'])) && ($param['showtime'] === true))
+        ) {
+            $text = 'Generated in ' .
+                sprintf('%0.3f', $timeEnd - $timeStart) . ' sec';
+            $this->write(
+                $this->_right,
+                $this->_bottom,
+                $text,
+                IMAGE_GRAPH_ALIGN_RIGHT + IMAGE_GRAPH_ALIGN_BOTTOM,
+                array('color' => 'red')
+            );
+        }
+               
+		if (isset($param['filename'])) {
+            if ((isset($param['tohtml'])) && ($param['tohtml'])) {
+                return $this->_canvas->toHtml($param);
+            }
+            else {
+                return $this->_canvas->save($param);
+            }
+		} else {
+			return $this->_canvas->show($param);
+		}
+    }
+}
+
+?>
\ No newline at end of file