[Scummvm-cvs-logs] SF.net SVN: scummvm:[48042] scummvm/trunk/graphics/scaler.cpp

[fingolfin at users.sourceforge.net]

Revision: 48042
          http://scummvm.svn.sourceforge.net/scummvm/?rev=48042&view=rev
Author:   fingolfin
Date:     2010-02-13 11:57:23 +0000 (Sat, 13 Feb 2010)

Log Message:
-----------
Document Normal2xAspect

Modified Paths:
--------------
    scummvm/trunk/graphics/scaler.cpp

Modified: scummvm/trunk/graphics/scaler.cpp
===================================================================
--- scummvm/trunk/graphics/scaler.cpp	2010-02-13 11:57:01 UTC (rev 48041)
+++ scummvm/trunk/graphics/scaler.cpp	2010-02-13 11:57:23 UTC (rev 48042)
@@ -182,6 +182,12 @@
                                          int     height,
                                          uint32  mask);
 
+/**
+ * A 2x scaler which also does aspect ratio correction.
+ * Presumably this is Normal2x combined with vertical
+ * stretching, so it will scale a 320x200 surface to
+ * a 640x480 surface.
+ */
 void Normal2xAspect(const uint8  *srcPtr,
                           uint32  srcPitch,
                           uint8  *dstPtr,


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