diff options
Diffstat (limited to 'config/archive/dspam/pear/Image/Canvas/Color.php')
| -rw-r--r-- | config/archive/dspam/pear/Image/Canvas/Color.php | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/config/archive/dspam/pear/Image/Canvas/Color.php b/config/archive/dspam/pear/Image/Canvas/Color.php deleted file mode 100644 index 0ac78553..00000000 --- a/config/archive/dspam/pear/Image/Canvas/Color.php +++ /dev/null @@ -1,182 +0,0 @@ -<?php -/* vim: set expandtab tabstop=4 shiftwidth=4: */ -// +----------------------------------------------------------------------+ -// | PHP Version 4 | -// +----------------------------------------------------------------------+ -// | Copyright (c) 1997-2003 The PHP Group | -// +----------------------------------------------------------------------+ -// | This source file is subject to version 2.02 of the PHP license, | -// | that is bundled with this package in the file LICENSE, and is | -// | available at through the world-wide-web at | -// | http://www.php.net/license/2_02.txt. | -// | If you did not receive a copy of the PHP license and are unable to | -// | obtain it through the world-wide-web, please send a note to | -// | license@php.net so we can mail you a copy immediately. | -// +----------------------------------------------------------------------+ -// | Author: Stefan Neufeind <pear.neufeind@speedpartner.de> | -// +----------------------------------------------------------------------+ -// -// $Id$ - -/** -* Class for color-handling -* -* @author Stefan Neufeind <pear.neufeind@speedpartner.de> -* @package Image_Canvas -* @category images -* @license The PHP License, version 2.02 -*/ - -/** -* Color class to be extended; from package PEAR::Image_Color -*/ -require_once 'Image/Color.php'; - -/** -* Class for color-handling -* -* This is used to extend the functionality of the current PEAR::Image_Color v0.4. -* I hope to be allowed to incorporate some of the improvements in a new Image_Color release. -* -* @author Stefan Neufeind <pear.neufeind@speedpartner.de> -* @package Image_Canvas -* @access public -*/ -class Image_Canvas_Color extends Image_Color -{ - /** - * Allocates a color in the given image. - * - * Userdefined color specifications get translated into - * an array of rgb values. - * - * @param resource GD-resource - * @param mixed any color representation supported by color2RGB() - * @return resource Image color handle - * @see color2RGB() - * @access public - * @static - */ - function allocateColor(&$img, $color) - { - $color = Image_Canvas_Color::color2RGB($color); - - if (($color[3] == 255) || (!function_exists("imagecolorallocatealpha"))) { - return imagecolorallocate($img, $color[0], $color[1], $color[2]); - } else { - return imagecolorallocatealpha($img, $color[0], $color[1], $color[2], 127-round(($color[3]*127)/255)); - } - } - - /** - * Convert any color-representation into an array of 4 ints (RGBA). - * - * Userdefined color specifications get translated into - * an array of rgb values. - * - * @param mixed any color representation supported by Image_Canvas_Color::color2RGB() - * @return array Array of 4 ints (RGBA-representation) - * @access public - * @static - */ - function color2RGB($color) - { - if (is_array($color)) { - if (!is_numeric($color[0])) { - return null; // error - } - if (count($color) == 3) { // assume RGB-color - - // 255 = alpha-value; full opaque - return array((int) $color[0], - (int) $color[1], - (int) $color[2], - 255); - } - if (count($color) == 4) { // assume RGBA-color - - // 255 = alpha-value; full opaque - return array((int) $color[0], - (int) $color[1], - (int) $color[2], - (int) $color[3]); - } - return null; // error - } elseif (is_string($color)) { - $alphaPos = strpos($color, '@'); - if ($alphaPos === false) { - $alpha = 255; - } else { - $alphaFloat = (float) substr($color, $alphaPos+1); - // restrict to range 0..1 - $alphaFloat = max(min($alphaFloat, 1), 0); - $alpha = (int) round((float) 255 * $alphaFloat); - $color = substr($color, 0, $alphaPos); - } - if ($color[0] == '#') { // hex-color given, e.g. #FFB4B4 - $tempColor = parent::hex2rgb($color); - return array((int) $tempColor[0], - (int) $tempColor[1], - (int) $tempColor[2], - $alpha); - } - if (strpos($color,'%') !== false) { - $tempColor = parent::percentageColor2RGB($color); - return array((int) $tempColor[0], - (int) $tempColor[1], - (int) $tempColor[2], - $alpha); - } else { - $tempColor = parent::namedColor2RGB($color); - return array((int) $tempColor[0], - (int) $tempColor[1], - (int) $tempColor[2], - $alpha); - } - } else { - return null; // error - } - } - - /** - * getRange - * Given a degree, you can get the range of colors between one color and - * another color. - * - * @access public - * @param string How much each 'step' between the colors we should take. - * @return array Returns an array of all the colors, one element for each color. - */ - function getRange ($degrees) - { - $tempColors = parent::getRange($degrees); - - // now add alpha-channel information - $steps = count($tempColors); - for($counter=0;$counter<$steps;$counter++) { - $tempColors[$counter] = parent::hex2rgb($tempColors[$counter]); - unset($tempColors[$counter]['hex']); - $tempColors[$counter][3] = (int) round( - (((float) $this->color1[3]*($steps-$counter))+ - ((float) $this->color2[3]*($counter)) - ) / $steps - ); - } - - return $tempColors; - } - - /** - * Internal method to correctly set the colors. - * - * @param mixed color 1 - * @param mixed color 2 - * @access private - */ - function _setColors ( $col1, $col2 ) - { - $this->color1 = Image_Canvas_Color::color2RGB($col1); - $this->color2 = Image_Canvas_Color::color2RGB($col2); - } -} -?>
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