first commit of free version

admin/compiler/joomla_3/wideimage/Operation/Rotate.php

@@ -0,0 +1,64 @@
+<?php
+	/**
+ * @author Gasper Kozak
+ * @copyright 2007-2011
+
+    This file is part of WideImage.
+		
+    WideImage 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.
+		
+    WideImage 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 WideImage; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    * @package Internal/Operations
+  **/
+	
+	/**
+	 * Rotate operation class
+	 * 
+	 * @package Internal/Operations
+	 */
+	class WideImage_Operation_Rotate
+	{
+		/**
+		 * Returns rotated image
+		 *
+		 * @param WideImage_Image $image
+		 * @param numeric $angle
+		 * @param int $bgColor
+		 * @param bool $ignoreTransparent
+		 * @return WideImage_Image
+		 */
+		function execute($image, $angle, $bgColor, $ignoreTransparent)
+		{
+			$angle = -floatval($angle);
+			if ($angle < 0)
+				$angle = 360 + $angle;
+			$angle = $angle % 360;
+			
+			if ($angle == 0)
+				return $image->copy();
+			
+			$image = $image->asTrueColor();
+			
+			if ($bgColor === null)
+			{
+				$bgColor = $image->getTransparentColor();
+				if ($bgColor == -1)
+				{
+					$bgColor = $image->allocateColorAlpha(255, 255, 255, 127);
+					imagecolortransparent($image->getHandle(), $bgColor);
+				}
+			}
+			return new WideImage_TrueColorImage(imagerotate($image->getHandle(), $angle, $bgColor, $ignoreTransparent));
+		}
+	}