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-rw-r--r--src/graphics/Filterflip.cpp54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/graphics/Filterflip.cpp b/src/graphics/Filterflip.cpp
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--- /dev/null
+++ b/src/graphics/Filterflip.cpp
@@ -0,0 +1,54 @@
+//
+// 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 "Filterflip.h"
+
+#include <cstring>
+
+namespace avg {
+
+FilterFlip::FilterFlip() : Filter()
+{
+}
+
+FilterFlip::~FilterFlip()
+{
+}
+
+BitmapPtr FilterFlip::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()+(size.y-1)*pBmpDest->getStride();
+ int lineLen = pBmpSource->getBytesPerPixel()*size.x;
+
+ for (int y = 0; y < size.y; y++) {
+ memcpy(pDestLine, pSrcLine, lineLen);
+ pSrcLine += pBmpSource->getStride();
+ pDestLine -= pBmpDest->getStride();
+ }
+ return pBmpDest;
+}
+
+} // namespace