Initial Commit of AgileBill Open Source
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194
includes/pear/Image/Graph/Title.php
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194
includes/pear/Image/Graph/Title.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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* Image_Graph - Main class for the graph creation.
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*
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* PHP versions 4 and 5
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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_Graph
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* @subpackage Text
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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: Title.php,v 1.12 2005/08/24 20:35:56 nosey Exp $
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* @link http://pear.php.net/package/Image_Graph
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*/
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/**
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* Include file Image/Graph/Layout.php
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*/
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require_once 'Image/Graph/Layout.php';
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/**
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* Title
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*
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* @category Images
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* @package Image_Graph
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* @subpackage Text
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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/package/Image_Graph
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*/
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class Image_Graph_Title extends Image_Graph_Layout
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{
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/**
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* The text to print
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* @var string
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* @access private
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*/
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var $_text;
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/**
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* The font to use
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* @var Font
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* @access private
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*/
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var $_font;
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/**
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* The alignment of the title
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* @var int
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* @access private
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*/
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var $_alignment = IMAGE_GRAPH_ALIGN_CENTER_X;
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/**
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* Create the title.
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*
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* Pass a Image_Graph_Font object - preferably by-ref (&) as second
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* parameter, the font size in pixels or an associated array with some or
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* all of the followin keys:
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*
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* 'size' The size of the title
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*
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* 'angle' The angle at which to write the title (in degrees or 'vertical')
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*
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* 'color' The font-face color
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*
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* @param sting $text The text to represent the title
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* @param mixed $fontOptions The font to use in the title
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*/
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function Image_Graph_Title($text, $fontOptions = false)
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{
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parent::Image_Graph_Layout();
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if (is_object($fontOptions)) {
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$this->_font =& $fontOptions;
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} else {
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if (is_array($fontOptions)) {
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$this->_fontOptions = $fontOptions;
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} else {
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$this->_fontOptions['size'] = $fontOptions;
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}
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}
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$this->setText($text);
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}
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/**
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* Set the text
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*
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* @param string $text The text to display
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*/
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function setText($text)
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{
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$this->_text = $text;
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}
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/**
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* Returns the calculated "auto" size
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*
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* @return int The calculated auto size
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* @access private
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*/
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function _getAutoSize()
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{
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if ($this->_defaultFontOptions !== false) {
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$this->_canvas->setFont($this->_defaultFontOptions);
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} else {
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$this->_canvas->setFont($this->_getFont());
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}
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return $this->_canvas->textHeight($this->_text);
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}
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/**
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* Set the alignment of the legend
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*
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* @param int $alignment The alignment
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*/
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function setAlignment($alignment)
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{
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$this->_alignment = $alignment & 0x7;
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}
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/**
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* Output the text
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*
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* @return bool Was the output 'good' (true) or 'bad' (false).
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* @access private
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*/
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function _done()
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{
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if ($this->_defaultFontOptions !== false) {
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$this->_canvas->setFont($this->_defaultFontOptions);
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} else {
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$this->_canvas->setFont($this->_getFont());
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}
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if (is_a($this->_parent, 'Image_Graph_Plotarea')) {
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$this->_setCoords(
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$this->_parent->_left,
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$this->_parent->_top,
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$this->_parent->_right,
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$this->_parent->_top + $this->_canvas->textHeight($this->_text)
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);
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} elseif (!is_a($this->_parent, 'Image_Graph_Layout')) {
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$this->_setCoords(
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$this->_parent->_fillLeft(),
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$this->_parent->_fillTop(),
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$this->_parent->_fillRight(),
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$this->_parent->_fillTop() + $this->_canvas->textHeight($this->_text)
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);
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}
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if (parent::_done() === false) {
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return false;
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}
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if ($this->_alignment == IMAGE_GRAPH_ALIGN_CENTER_X) {
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$x = ($this->_left + $this->_right) / 2;
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} elseif ($this->_alignment == IMAGE_GRAPH_ALIGN_LEFT) {
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$x = $this->_left;
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} else {
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$x = $this->_right;
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}
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$y = ($this->_top + $this->_bottom) / 2;
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$this->write(
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$x,
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$y,
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$this->_text,
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$this->_alignment + IMAGE_GRAPH_ALIGN_CENTER_Y
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);
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return true;
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}
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}
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?>
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