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Diffstat (limited to 'config/dspam/pear/Image/Graph/Fill/Gradient.php')
| -rw-r--r-- | config/dspam/pear/Image/Graph/Fill/Gradient.php | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/config/dspam/pear/Image/Graph/Fill/Gradient.php b/config/dspam/pear/Image/Graph/Fill/Gradient.php new file mode 100644 index 00000000..9cf23a6b --- /dev/null +++ b/config/dspam/pear/Image/Graph/Fill/Gradient.php @@ -0,0 +1,149 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Image_Graph - PEAR PHP OO Graph Rendering Utility. + * + * 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 Fill + * @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/Fill/Image.php + */ +require_once 'Image/Graph/Fill/Image.php'; + +/** + * Fill using a gradient color. + * This creates a scaled fillstyle with colors flowing gradiently between 2 + * specified RGB values. Several directions are supported: + * + * 1 Vertically (IMAGE_GRAPH_GRAD_VERTICAL) + * + * 2 Horizontally (IMAGE_GRAPH_GRAD_HORIZONTAL) + * + * 3 Mirrored vertically (the color grades from a- b-a vertically) + * (IMAGE_GRAPH_GRAD_VERTICAL_MIRRORED) + * + * 4 Mirrored horizontally (the color grades from a-b-a horizontally) + * IMAGE_GRAPH_GRAD_HORIZONTAL_MIRRORED + * + * 5 Diagonally from top-left to right-bottom + * (IMAGE_GRAPH_GRAD_DIAGONALLY_TL_BR) + * + * 6 Diagonally from bottom-left to top-right + * (IMAGE_GRAPH_GRAD_DIAGONALLY_BL_TR) + * + * 7 Radially (concentric circles in the center) (IMAGE_GRAPH_GRAD_RADIAL) + * + * @category Images + * @package Image_Graph + * @subpackage Fill + * @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_Fill_Gradient extends Image_Graph_Fill //Image_Graph_Fill_Image +{ + + /** + * The direction of the gradient + * @var int + * @access private + */ + var $_direction; + + /** + * The first color to gradient + * @var mixed + * @access private + */ + var $_startColor; + + /** + * The last color to gradient + * @var mixed + * @access private + */ + var $_endColor; + + /** + * Image_Graph_GradientFill [Constructor] + * + * @param int $direction The direction of the gradient + * @param mixed $startColor The value of the starting color + * @param mixed $endColor The value of the ending color + */ + function Image_Graph_Fill_Gradient($direction, $startColor, $endColor) + { + parent::Image_Graph_Fill(); + $this->_direction = $direction; + $this->_startColor = $startColor; + $this->_endColor = $endColor; + } + + /** + * Return the fillstyle + * + * @return int A GD fillstyle + * @access private + */ + function _getFillStyle($ID = false) + { + switch ($this->_direction) { + case IMAGE_GRAPH_GRAD_HORIZONTAL: + $direction = 'horizontal'; + break; + case IMAGE_GRAPH_GRAD_VERTICAL: + $direction = 'vertical'; + break; + case IMAGE_GRAPH_GRAD_HORIZONTAL_MIRRORED: + $direction = 'horizontal_mirror'; + break; + case IMAGE_GRAPH_GRAD_VERTICAL_MIRRORED: + $direction = 'vertical_mirror'; + break; + case IMAGE_GRAPH_GRAD_DIAGONALLY_TL_BR: + $direction = 'diagonal_tl_br'; + break; + case IMAGE_GRAPH_GRAD_DIAGONALLY_BL_TR: + $direction = 'diagonal_bl_tr'; + break; + case IMAGE_GRAPH_GRAD_RADIAL: + $direction = 'radial'; + break; + } + + return array( + 'type' => 'gradient', + 'start' => $this->_startColor, + 'end' => $this->_endColor, + 'direction' => $direction + ); + } + +} + +?>
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