[Linpha-cvs] SF.net SVN: linpha: [4559] trunk/linpha2

[<fan...@us...>]

Revision: 4559
Author:   fangehrn
Date:     2006-08-27 06:14:05 -0700 (Sun, 27 Aug 2006)
ViewCVS:  http://svn.sourceforge.net/linpha/?rev=4559&view=rev

Log Message:
-----------
 * fixed image rotate with gdlib

Modified Paths:
--------------
    trunk/linpha2/ChangeLog
    trunk/linpha2/lib/classes/image/gdlib/image.php
    trunk/linpha2/lib/classes/image/gdlib/thumbnail.php
    trunk/linpha2/lib/classes/linpha.image.class.php
Modified: trunk/linpha2/ChangeLog
===================================================================
--- trunk/linpha2/ChangeLog	2006-08-26 12:28:52 UTC (rev 4558)
+++ trunk/linpha2/ChangeLog	2006-08-27 13:14:05 UTC (rev 4559)
@@ -1,3 +1,6 @@
+2006-08-25 flo
+ * fixed image rotate with gdlib
+
 2006-08-26 bzrudi 
  * fixed broken installation for postgres
  * replaced all PO_Inserted_ID (does not work with postgres)
@@ -10,7 +13,6 @@
      with this feature we should also be able to rotate images manually without having write permission
      to the file
    @todo what should happen if we later turn off autorot?
-   @todo why does it not work with gdlib?!
 
 2006-07-15 flo
  * fixed bracket support detection during installation
@@ -22,7 +24,6 @@
 	$array_output = array(); $return_value = '';
 	exec($str, $array_output, $return_value);
 
-
 2006-07-09 bzrudi 
  * install: fixed bug in sqlite install - $_SESSION vars not inited and initial
    directories (sql/tmp/cache) under /var not created. Moved some functions to 

Modified: trunk/linpha2/lib/classes/image/gdlib/image.php
===================================================================
--- trunk/linpha2/lib/classes/image/gdlib/image.php	2006-08-26 12:28:52 UTC (rev 4558)
+++ trunk/linpha2/lib/classes/image/gdlib/image.php	2006-08-27 13:14:05 UTC (rev 4559)
@@ -55,12 +55,8 @@
 
 /**
  * rotate image
- * @todo why does this not work?!
  */
-	if(function_exists('imagerotate') AND $this->rotate != "0")
-	{
-		imagerotate($scaled_image,$this->rotate,0);
-	}
+	LinImage::imageRotateGd($scaled_image,$this->rotate);
 
 /**
  * save image

Modified: trunk/linpha2/lib/classes/image/gdlib/thumbnail.php
===================================================================
--- trunk/linpha2/lib/classes/image/gdlib/thumbnail.php	2006-08-26 12:28:52 UTC (rev 4558)
+++ trunk/linpha2/lib/classes/image/gdlib/thumbnail.php	2006-08-27 13:14:05 UTC (rev 4559)
@@ -86,12 +86,8 @@
 
 /**
  * rotate image
- * @todo why does this not work?!
  */
-	if(function_exists('imagerotate') AND $this->rotate != "0")
-	{
-		imagerotate($scaled_image,$this->rotate,0);
-	}
+	LinImage::imageRotateGd($scaled_image,$this->rotate);
 
 /**
  * save image

Modified: trunk/linpha2/lib/classes/linpha.image.class.php
===================================================================
--- trunk/linpha2/lib/classes/linpha.image.class.php	2006-08-26 12:28:52 UTC (rev 4558)
+++ trunk/linpha2/lib/classes/linpha.image.class.php	2006-08-27 13:14:05 UTC (rev 4559)
@@ -576,6 +576,28 @@
 	readfile( $this->output_file );
 }
 
+/**
+ * rotates an image with a given angle using GDLib
+ * do nothing if imagerotate() doesn't exists
+ * 
+ * 
+ * @param imageressource $src_img pointer to the source image
+ * @param int $angle angle to rotate
+ * @author flo
+ * @todo maybe we should use linpha_log if imagerotate() doesn't exists
+ */
+function imageRotateGd(& $src_img, $angle)
+{
+	if(function_exists('imagerotate') && $angle != "0")
+	{
+	    /**
+	    * flip $angle, because with this function, left means right, and right means left :-)
+	    */
+	    $angle = 360 - $angle;
+		$angle = $angle % 360;
+		$src_img = imagerotate($src_img,$angle,0);
+	}
+}
 
 } // end class linImage
 ?>
\ No newline at end of file


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