1 files changed, 56 insertions, 0 deletions
diff --git a/src/graphics/Filterfliprgba.cpp b/src/graphics/Filterfliprgba.cpp
new file mode 100644
index 0000000..6a92ec9
--- /dev/null
+++ b/src/graphics/Filterfliprgba.cpp
@@ -0,0 +1,56 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library 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 of the License, or (at your option) any later version.
+//
+//  This library 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 this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#include "Filterfliprgba.h"
+#include "Pixeldefs.h"
+
+#include "../base/Exception.h"
+
+namespace avg {
+    
+FilterFlipRGBA::FilterFlipRGBA()
+  : Filter()
+{
+}
+
+FilterFlipRGBA::~FilterFlipRGBA()
+{
+
+}
+
+void FilterFlipRGBA::applyInPlace(BitmapPtr pBmp) 
+{
+    AVG_ASSERT(pBmp->getBytesPerPixel() == 4);
+    IntPoint size = pBmp->getSize();
+    for (int y = 0; y < size.y; y++) {
+        unsigned char * pLine = pBmp->getPixels()+y*pBmp->getStride();
+        for (int x = 0; x < size.x; x++) { 
+            unsigned char tmp = pLine[x*4+REDPOS];
+            pLine[x*4+REDPOS] = pLine[x*4+ALPHAPOS];
+            pLine[x*4+ALPHAPOS] = tmp;
+            tmp = pLine[x*4+BLUEPOS];
+            pLine[x*4+BLUEPOS] = pLine[x*4+GREENPOS];
+            pLine[x*4+GREENPOS] = tmp;
+        }
+    }
+}
+
+} // namespace