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Diffstat (limited to 'packages/dspam/pear/Image/Graph/Logo.php')
| -rw-r--r-- | packages/dspam/pear/Image/Graph/Logo.php | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/packages/dspam/pear/Image/Graph/Logo.php b/packages/dspam/pear/Image/Graph/Logo.php new file mode 100644 index 00000000..df5fe7e4 --- /dev/null +++ b/packages/dspam/pear/Image/Graph/Logo.php @@ -0,0 +1,153 @@ +<?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 + * @subpackage Logo + * @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 file Image/Graph/Element.php + */ +require_once 'Image/Graph/Element.php'; + +/** + * Displays a logo on the canvas. + * + * By default the logo is displayed in the top-right corner of the canvas. + * + * @category Images + * @package Image_Graph + * @subpackage Logo + * @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_Logo extends Image_Graph_Element +{ + + /** + * The file name + * @var stirng + * @access private + */ + var $_filename; + + /** + * The GD Image resource + * @var resource + * @access private + */ + var $_image; + + /** + * Alignment of the logo + * @var int + * @access private + */ + var $_alignment; + + /** + * Logo [Constructor] + * + * @param string $filename The filename and path of the image to use for logo + */ + function Image_Graph_Logo($filename, $alignment = IMAGE_GRAPH_ALIGN_TOP_RIGHT) + { + parent::Image_Graph_Element(); + $this->_filename = $filename; + $this->_alignment = $alignment; + } + + /** + * Sets the parent. The parent chain should ultimately be a GraPHP object + * + * @see Image_Graph + * @param Image_Graph_Common $parent The parent + * @access private + */ + function _setParent(& $parent) + { + parent::_setParent($parent); + $this->_setCoords( + $this->_parent->_left, + $this->_parent->_top, + $this->_parent->_right, + $this->_parent->_bottom + ); + } + + /** + * Output the logo + * + * @return bool Was the output 'good' (true) or 'bad' (false). + * @access private + */ + function _done() + { + if (parent::_done() === false) { + return false; + } + + $align = array(); + + if ($this->_alignment & IMAGE_GRAPH_ALIGN_LEFT) { + $x = $this->_parent->_left + 2; + $align['horizontal'] = 'left'; + } elseif ($this->_alignment & IMAGE_GRAPH_ALIGN_RIGHT) { + $x = $this->_parent->_right - 2; + $align['horizontal'] = 'right'; + } else { + $x = ($this->_parent->_left + $this->_parent->_right) / 2; + $align['horizontal'] = 'center'; + } + + if ($this->_alignment & IMAGE_GRAPH_ALIGN_TOP) { + $y = $this->_parent->_top + 2; + $align['vertical'] = 'top'; + } elseif ($this->_alignment & IMAGE_GRAPH_ALIGN_BOTTOM) { + $y = $this->_parent->_bottom - 2; + $align['vertical'] = 'bottom'; + } else { + $y = ($this->_parent->_top + $this->_parent->_bottom) / 2; + $align['vertical'] = 'center'; + } + + $this->_canvas->image( + array( + 'x' => $x, + 'y' => $y, + 'filename' => $this->_filename, + 'alignment' => $align + ) + ); + return true; + } + +} + +?>
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