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www/backup/lib/artichow/inc/Gradient.class.php

@@ -0,0 +1,135 @@
+<?php
+/*
+ * This work is hereby released into the Public Domain.
+ * To view a copy of the public domain dedication,
+ * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
+ * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
+ *
+ */
+
+ 
+require_once dirname(__FILE__)."/../Graph.class.php";
+
+
+/**
+ * Create your gradients
+ *
+ * @package Artichow
+ */
+abstract class awGradient {
+
+	/**
+	 * From color
+	 *
+	 * @var Color
+	 */
+	public $from;
+
+	/**
+	 * To color
+	 *
+	 * @var Color
+	 */
+	public $to;
+	
+	/**
+	 * Build the gradient
+	 *
+	 * @param awColor $from From color
+	 * @param awColor $to To color
+	 */
+	public function __construct(awColor $from, awColor $to) {
+	
+		$this->from = $from;
+		$this->to = $to;
+	
+	}
+
+}
+
+registerClass('Gradient', TRUE);
+
+
+/**
+ * Create a linear gradient
+ *
+ * @package Artichow
+ */
+class awLinearGradient extends awGradient {
+
+	/**
+	 * Gradient angle
+	 *
+	 * @var int
+	 */
+	public $angle;
+	
+	/**
+	 * Build the linear gradient
+	 *
+	 * @param awColor $from From color
+	 * @param awColor $to To color
+	 * @param int $angle Gradient angle
+	 */
+	public function __construct($from, $to, $angle) {
+	
+		parent::__construct(
+			$from, $to
+		);
+		
+		$this->angle = (int)$angle;
+	
+	}
+
+}
+
+registerClass('LinearGradient');
+
+
+/**
+ * Create a bilinear gradient
+ *
+ * @package Artichow
+ */
+class awBilinearGradient extends awLinearGradient {
+
+	/**
+	 * Gradient center
+	 *
+	 * @var float Center between 0 and 1
+	 */
+	public $center;
+	
+	/**
+	 * Build the bilinear gradient
+	 *
+	 * @param awColor $from From color
+	 * @param awColor $to To color
+	 * @param int $angle Gradient angle
+	 * @param int $center Gradient center
+	 */
+	public function __construct($from, $to, $angle, $center = 0.5) {
+	
+		parent::__construct(
+			$from, $to, $angle
+		);
+		
+		$this->center = (float)$center;
+	
+	}
+
+}
+
+registerClass('BilinearGradient');
+
+/**
+ * Create a radial gradient
+ *
+ * @package Artichow
+ */
+class awRadialGradient extends awGradient {
+
+}
+
+registerClass('RadialGradient');
+?>