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Diffstat (limited to 'src/graphics/Filterflip.cpp')
-rw-r--r-- | src/graphics/Filterflip.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/graphics/Filterflip.cpp b/src/graphics/Filterflip.cpp new file mode 100644 index 0000000..d677270 --- /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 |