1 files changed, 78 insertions, 0 deletions
diff --git a/src/graphics/FilterflipX.cpp b/src/graphics/FilterflipX.cpp
new file mode 100644
index 0000000..f67b462
--- /dev/null
+++ b/src/graphics/FilterflipX.cpp
@@ -0,0 +1,78 @@
+//
+//  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 "FilterflipX.h"
+#include "Pixel32.h"
+
+#include "../base/Exception.h"
+
+namespace avg {
+
+FilterFlipX::FilterFlipX() 
+    : Filter()
+{
+}
+
+FilterFlipX::~FilterFlipX()
+{
+}
+
+BitmapPtr FilterFlipX::apply(BitmapPtr pBmpSource) 
+{
+    IntPoint Size = pBmpSource->getSize();
+    BitmapPtr pBmpDest(new Bitmap(Size, pBmpSource->getPixelFormat(), 
+            pBmpSource->getName()));
+
+    unsigned char* pSrcLine = pBmpSource->getPixels();
+    unsigned char* pDestLine = pBmpDest->getPixels();
+    
+    for (int y = 0; y < Size.y; y++) {
+        switch (pBmpSource->getBytesPerPixel()) {
+            case 1: {
+                    unsigned char * pSrc = pSrcLine;
+                    unsigned char * pDest = pDestLine+Size.x-1;
+                    for (int x = 0; x < Size.x; x++) {
+                        *pDest = *pSrc;
+                        pSrc++;
+                        pDest--;
+                    }
+                }
+                break;
+            case 4: {
+                    Pixel32 * pSrc = (Pixel32*)pSrcLine;
+                    Pixel32 * pDest = (Pixel32*)pDestLine+Size.x-1;
+                    for (int x = 0; x < Size.x; x++) {
+                        *pDest = *pSrc;
+                        pSrc++;
+                        pDest--;
+                    }
+                }
+                break;
+            default: 
+                AVG_ASSERT(false);
+        } 
+        pSrcLine += pBmpSource->getStride();
+        pDestLine += pBmpDest->getStride();
+    }
+    return pBmpDest;
+}
+
+}