diff options
Diffstat (limited to 'config/dspam/pear/Image/Canvas/ImageMap.php')
| -rw-r--r-- | config/dspam/pear/Image/Canvas/ImageMap.php | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/config/dspam/pear/Image/Canvas/ImageMap.php b/config/dspam/pear/Image/Canvas/ImageMap.php new file mode 100644 index 00000000..e69f3de2 --- /dev/null +++ b/config/dspam/pear/Image/Canvas/ImageMap.php @@ -0,0 +1,354 @@ +<?php + +/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ + +/** + * Image_Canvas + * + * Class for handling output as a HTML imagemap + * + * 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_Canvas + * @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/pepr/pepr-proposal-show.php?id=212 + */ + +/** + * Class for handling output as a HTML imagemap + * + * @category Images + * @package Image_Canvas + * @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/pepr/pepr-proposal-show.php?id=212 + * @since version 0.2.0 + */ +class Image_Canvas_ImageMap extends Image_Canvas +{ + + /** + * The image map (if any) + * @var array + * @access private + */ + var $_map = array(); + + /** + * Add a map tag + * @param string $shape The shape, either rect, circle or polygon + * @param string $coords The list of coordinates for the shape + * @param array $params Parameter array + */ + function _addMapTag($shape, $coords, $params) + { + if (isset($params['url'])) { + $url = $params['url']; + $target = (isset($params['target']) ? $params['target'] : false); + $alt = (isset($params['alt']) ? $params['alt'] : false); + + $tags = ''; + if (isset($params['htmltags'])) { + foreach ($params['htmltags'] as $key => $value) { + $tags .= ' '; + if (strpos($value, '"') !== false) { + $tags .= $key . '=\'' . $value . '\''; + } else { + $tags .= $key . '="' . $value . '"'; + } + } + } + + $this->_map[] = + '<area shape="' . $shape . '" coords="' . $coords . '" href="' . $url . '"' . + ($target ? ' target="' . $target . '"' : '') . + ($alt ? ' alt="' . $alt . '"' : '') . + (isset($params['id']) ? ' id="' . $params['id'] . '"' : '') . + $tags . + '>'; + } + } + + /** + * Draw a line + * + * Parameter array: + * 'x0': int X start point + * 'y0': int Y start point + * 'x1': int X end point + * 'y1': int Y end point + * 'color': mixed [optional] The line color + * 'mapsize': int [optional] The size of the image map (surrounding the line) + * @param array $params Parameter array + */ + function line($params) + { + if (isset($params['url'])) { + $mapsize = (isset($params['mapsize']) ? $params['mapsize'] : 2); + $this->_addMapTag( + 'polygon', + $this->_getX($params['x0'] - $mapsize) . ',' . + $this->_getY($params['y0'] - $mapsize) . ',' . + $this->_getX($params['x1'] + $mapsize) . ',' . + $this->_getY($params['y1'] - $mapsize) . ',' . + + $this->_getX($params['x1'] + $mapsize) . ',' . + $this->_getY($params['y1'] + $mapsize) . ',' . + $this->_getX($params['x0'] - $mapsize) . ',' . + $this->_getY($params['y0'] + $mapsize), + $params + ); + } + parent::line($params); + } + + /** + * Draws a polygon + * + * Parameter array: + * 'connect': bool [optional] Specifies whether the start point should be + * connected to the endpoint (closed polygon) or not (connected line) + * 'fill': mixed [optional] The fill color + * 'line': mixed [optional] The line color + * 'map_vertices': bool [optional] Specifies whether the image map should map the vertices instead of the polygon as a whole + * 'url': string [optional] URL to link the polygon as a whole to (also used for default in case 'map_vertices' is used) + * 'alt': string [optional] Alternative text to show in the image map (also used for default in case 'map_vertices' is used) + * 'target': string [optional] The link target on the image map (also used for default in case 'map_vertices' is used) + * @param array $params Parameter array + */ + function polygon($params) + { + if ((isset($params['map_vertices'])) && ($params['map_vertices'] === true)) { + $mapsize = (isset($params['mapsize']) ? $params['mapsize'] : 2); + foreach ($this->_polygon as $point) { + $vertex_param = $params; + if (isset($point['url'])) { + $vertex_param['url'] = $point['url']; + } + if (isset($point['target'])) { + $vertex_param['target'] = $point['target']; + } + if (isset($point['alt'])) { + $vertex_param['alt'] = $point['alt']; + } + $vertex_mapsize = $mapsize; + if (isset($point['mapsize'])) { + $vertex_mapsize = $point['mapsize']; + } + if (isset($point['htmltags'])) { + $vertex_param['htmltags'] = $point['htmltags']; + } + $this->_addMapTag( + 'circle', + $this->_getX($point['X']) . ',' . + $this->_getY($point['Y']) . ',' . + $mapsize, + $vertex_param + ); + } + } + else if (isset($params['url'])) { + $points = ''; + foreach ($this->_polygon as $point) { + if ($points != '') { + $points .= ','; + } + $points .= $this->_getX($point['X']) . ',' . $this->_getY($point['Y']); + } + $this->_addMapTag('polygon', $points, $params); + } + parent::polygon($params); + } + + /** + * Draw a rectangle + * + * Parameter array: + * 'x0': int X start point + * 'y0': int Y start point + * 'x1': int X end point + * 'y1': int Y end point + * 'fill': mixed [optional] The fill color + * 'line': mixed [optional] The line color + * @param array $params Parameter array + */ + function rectangle($params) + { + if (isset($params['url'])) { + $this->_addMapTag( + 'rect', + $this->_getX($params['x0']) . ',' . + $this->_getY($params['y0']) . ',' . + $this->_getX($params['x1']) . ',' . + $this->_getY($params['y1']), + $params + ); + } + parent::rectangle($params); + } + + /** + * Draw an ellipse + * + * Parameter array: + * 'x': int X center point + * 'y': int Y center point + * 'rx': int X radius + * 'ry': int Y radius + * 'fill': mixed [optional] The fill color + * 'line': mixed [optional] The line color + * @param array $params Parameter array + */ + function ellipse($params) + { + if (isset($params['url'])) { + if ($params['rx'] == $params['ry']) { + $this->_addMapTag( + 'circle', + $this->_getX($params['x']) . ',' . + $this->_getY($params['y']) . ',' . + $this->_getX($params['rx']), + $params + ); + } else { + $points = ''; + for ($v = 0; $v <= 360; $v += 30) { + if ($points != '') { + $points .= ','; + } + $points .= + round($this->_getX($params['x']) + $this->_getX($params['rx']) * cos(deg2rad($v % 360))) . ',' . + round($this->_getY($params['y']) + $this->_getX($params['ry']) * sin(deg2rad($v % 360))); + } + $this->_addMapTag( + 'polygon', + $points, + $params + ); + } + } + parent::ellipse($params); + } + + /** + * Draw a pie slice + * + * Parameter array: + * 'x': int X center point + * 'y': int Y center point + * 'rx': int X radius + * 'ry': int Y radius + * 'v1': int The starting angle (in degrees) + * 'v2': int The end angle (in degrees) + * 'srx': int [optional] Starting X-radius of the pie slice (i.e. for a doughnut) + * 'sry': int [optional] Starting Y-radius of the pie slice (i.e. for a doughnut) + * 'fill': mixed [optional] The fill color + * 'line': mixed [optional] The line color + * @param array $params Parameter array + */ + function pieslice($params) + { + if (isset($params['url'])) { + $x = $this->_getX($params['x']); + $y = $this->_getY($params['y']); + $rx = $params['rx']; + $ry = $params['ry']; + $v1a = $params['v1']; + $v2a = $params['v2']; + $v1 = min($v1a, $v2a); + $v2 = max($v1a, $v2a); + $srx = (isset($params['srx']) ? $params['srx'] : 0); + $sry = (isset($params['sry']) ? $params['sry'] : 0); + + $points = + round(($x + $srx * cos(deg2rad($v1 % 360)))) . ',' . + round(($y + $sry * sin(deg2rad($v1 % 360)))) . ','; + + for ($v = $v1; $v < $v2; $v += 30) { + $points .= + round(($x + $rx * cos(deg2rad($v % 360)))) . ',' . + round(($y + $ry * sin(deg2rad($v % 360)))) . ','; + } + + $points .= + round(($x + $rx * cos(deg2rad($v2 % 360)))) . ',' . + round(($y + $ry * sin(deg2rad($v2 % 360)))); + + if (($srx != 0) || ($sry != 0)) { + $points .= ','; + for ($v = $v2; $v > $v1; $v -= 30) { + $points .= + round(($x + $srx * cos(deg2rad($v % 360)))) . ',' . + round(($y + $sry * sin(deg2rad($v % 360)))) . ','; + } + + } + + $this->_addMapTag('polygon', $points, $params); + } + parent::pieslice($params); + } + + /** + * Output the result of the canvas to the browser + * + * @param array $params Parameter array, the contents and meaning depends on the actual Canvas + * @abstract + */ + function show($params = false) + { + parent::show($params); + if (count($this->_map) > 0) { + print $this->toHtml($params); + } + } + + /** + * Save the result of the canvas to a file + * + * Parameter array: + * 'filename': string The file to output to + * @param array $params Parameter array, the contents and meaning depends on the actual Canvas + * @abstract + */ + function save($params = false) + { + parent::save($params); + $file = fopen($param['filename'], 'w+'); + fwrite($file, $this->toHtml($params)); + fclose($file); + } + + /** + * Get a canvas specific HTML tag. + * + * Parameter array: + * 'name': string The name of the image map + */ + function toHtml($params) + { + if (count($this->_map) > 0) { + return '<map name="' . $params['name'] . '">' . "\n\t" . implode($this->_map, "\n\t") . "\n</map>"; + } + return ''; + } +} + +?>
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