diff options
Diffstat (limited to 'config/archive/dspam/pear/Image/Graph/Common.php')
-rw-r--r-- | config/archive/dspam/pear/Image/Graph/Common.php | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/config/archive/dspam/pear/Image/Graph/Common.php b/config/archive/dspam/pear/Image/Graph/Common.php deleted file mode 100644 index f695cb58..00000000 --- a/config/archive/dspam/pear/Image/Graph/Common.php +++ /dev/null @@ -1,313 +0,0 @@ -<?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 - */ - -if (!function_exists('is_a')) { - - /** - * Check if an object is of a given class, this function is available as of PHP 4.2.0, so if it exist it will not be declared - * - * @link http://www.php.net/manual/en/function.is-a.php PHP.net Online Manual for function is_a() - * @param object $object The object to check class for - * @param string $class_name The name of the class to check the object for - * @return bool Returns TRUE if the object is of this class or has this class as one of its parents - */ - function is_a($object, $class_name) - { - if (empty ($object)) { - return false; - } - $object = is_object($object) ? get_class($object) : $object; - if (strtolower($object) == strtolower($class_name)) { - return true; - } - return is_a(get_parent_class($object), $class_name); - } -} - -/** - * Include file Image/Canvas.php - */ -require_once 'Image/Canvas.php'; - -/** - * The ultimate ancestor of all Image_Graph classes. - * - * This class contains common functionality needed by all Image_Graph classes. - * - * @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 - * @abstract - */ -class Image_Graph_Common -{ - - /** - * The parent container of the current Image_Graph object - * - * @var Image_Graph_Common - * @access private - */ - var $_parent = null; - - /** - * The sub-elements of the current Image_Graph container object - * - * @var array - * @access private - */ - var $_elements; - - /** - * The canvas for output. - * - * Enables support for multiple output formats. - * - * @var Image_Canvas - * @access private - */ - var $_canvas = null; - - /** - * Is the object visible? - * - * @var bool - * @access private - */ - var $_visible = true; - - /** - * Constructor [Image_Graph_Common] - */ - function Image_Graph_Common() - { - } - - /** - * Resets the elements - * - * @access private - */ - function _reset() - { - if (is_array($this->_elements)) { - $keys = array_keys($this->_elements); - foreach ($keys as $key) { - if (is_object($this->_elements[$key])) { - $this->_elements[$key]->_setParent($this); - $result =& $this->_elements[$key]->_reset(); - if (PEAR::isError($result)) { - return $result; - } - } - } - unset($keys); - } - return true; - } - - /** - * Sets the parent. The parent chain should ultimately be a GraPHP object - * - * @see Image_Graph_Common - * @param Image_Graph_Common $parent The parent - * @access private - */ - function _setParent(& $parent) - { - $this->_parent =& $parent; - $this->_canvas =& $this->_parent->_getCanvas(); - - if (is_array($this->_elements)) { - $keys = array_keys($this->_elements); - foreach ($keys as $key) { - if (is_object($this->_elements[$key])) { - $this->_elements[$key]->_setParent($this); - } - } - unset($keys); - } - } - - /** - * Hide the element - */ - function hide() - { - $this->_visible = false; - } - - /** - * Get the canvas - * - * @return Image_Canvas The canvas - * @access private - */ - function &_getCanvas() - { - if (($this->_canvas !== null) || ($this->_canvas !== false)) { - return $this->_canvas; - } elseif (is_a($this->_parent, 'Image_Graph_Common')) { - $this->_canvas =& $this->_parent->_getCanvas(); - return $this->_canvas; - } else { - $this->_error('Invalid canvas'); - $result = null; - return $result; - } - } - - /** - * Adds an element to the objects element list. - * - * The new Image_Graph_elements parent is automatically set. - * - * @param Image_Graph_Common $element The new Image_Graph_element - * @return Image_Graph_Common The new Image_Graph_element - */ - function &add(& $element) - { - if (!is_a($element, 'Image_Graph_Font')) { - $this->_elements[] = &$element; - } - $element->_setParent($this); - return $element; - } - - /** - * Creates an object from the class and adds it to the objects element list. - * - * Creates an object from the class specified and adds it to the objects - * element list. 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. - * - * @see Image_Graph::factory() - * @param string $class The class for the object - * @param mixed $params The paramaters to pass to the constructor - * @return Image_Graph_Common The new Image_Graph_element - */ - function &addNew($class, $params = null, $additional = false) - { - include_once 'Image/Graph.php'; - $element =& Image_Graph::factory($class, $params); - if ($additional === false) { - $obj =& $this->add($element); - } else { - $obj =& $this->add($element, $additional); - } - return $obj; - } - - /** - * Shows an error message box on the canvas - * - * @param string $text The error text - * @param array $params An array containing error specific details - * @param int $error_code Error code - * @access private - */ - function _error($text, $params = false, $error_code = IMAGE_GRAPH_ERROR_GENERIC) - { - if ((is_array($params)) && (count($params) > 0)) { - foreach ($params as $name => $key) { - if (isset($parameters)) { - $parameters .= ' '; - } - else { - $parameters = ''; - } - $parameters .= $name . '=' . $key; - } - } - $error =& PEAR::raiseError( - $text . - ($error_code != IMAGE_GRAPH_ERROR_GENERIC ? ' error:' . IMAGE_GRAPH_ERROR_GENERIC : '') . - (isset($parameters) ? ' parameters:[' . $parameters . ']' : '') - ); - } - - /** - * Causes the object to update all sub elements coordinates - * - * (Image_Graph_Common, does not itself have coordinates, this is basically - * an abstract method) - * - * @access private - */ - function _updateCoords() - { - if (is_array($this->_elements)) { - $keys = array_keys($this->_elements); - foreach ($keys as $key) { - if (is_object($this->_elements[$key])) { - $this->_elements[$key]->_updateCoords(); - } - } - unset($keys); - } - return true; - } - - /** - * Causes output to canvas - * - * The last method to call. Calling Done causes output to the canvas. All - * sub elements done() method will be invoked - * - * @return bool Was the output 'good' (true) or 'bad' (false). - * @access private - */ - function _done() - { - if (($this->_canvas == null) || (!is_a($this->_canvas, 'Image_Canvas'))) { - return false; - } - - if (is_array($this->_elements)) { - $keys = array_keys($this->_elements); - foreach ($keys as $key) { - if (($this->_elements[$key]->_visible) && ($this->_elements[$key]->_done() === false)) { - return false; - } - } - unset($keys); - } - return true; - } - -} - -?>
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