From dd22bd15f6ed3e5eb5c77ab427029be50fe20148 Mon Sep 17 00:00:00 2001 From: Dimitri John Ledkov Date: Tue, 24 Jun 2014 20:05:13 +0100 Subject: libavg (1.8.1-1) unstable; urgency=medium * New upstream release (Closes: #739664) * Mark libdc1394-22-dev as linux-any build-dependency. * Add libvdpau-dev build-dependency. * Add libavresample-dev build-dependency. # imported from the archive --- src/graphics/FilterBlur.cpp | 69 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 src/graphics/FilterBlur.cpp (limited to 'src/graphics/FilterBlur.cpp') diff --git a/src/graphics/FilterBlur.cpp b/src/graphics/FilterBlur.cpp new file mode 100644 index 0000000..99f48e7 --- /dev/null +++ b/src/graphics/FilterBlur.cpp @@ -0,0 +1,69 @@ +// +// 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 "FilterBlur.h" +#include "Filterfill.h" +#include "Pixel8.h" +#include "Bitmap.h" + +#include "../base/Exception.h" + +#include +#include + +using namespace std; + +namespace avg { + +FilterBlur::FilterBlur() +{ +} + +FilterBlur::~FilterBlur() +{ +} + +BitmapPtr FilterBlur::apply(BitmapPtr pBmpSrc) +{ + AVG_ASSERT(pBmpSrc->getPixelFormat() == I8); + + IntPoint Size(pBmpSrc->getSize().x-2, pBmpSrc->getSize().y-2); + BitmapPtr pDestBmp = BitmapPtr(new Bitmap(Size, I8, pBmpSrc->getName())); + int srcStride = pBmpSrc->getStride(); + int destStride = pDestBmp->getStride(); + unsigned char * pSrcLine = pBmpSrc->getPixels()+srcStride+1; + unsigned char * pDestLine = pDestBmp->getPixels(); + for (int y = 0; y < Size.y; ++y) { + unsigned char * pSrcPixel = pSrcLine; + unsigned char * pDestPixel = pDestLine; + for (int x = 0; x < Size.x; ++x) { + *pDestPixel = (*(pSrcPixel-1) + *(pSrcPixel)*4 + *(pSrcPixel+1) + +*(pSrcPixel-srcStride)+*(pSrcPixel+srcStride)+4)/8; + ++pSrcPixel; + ++pDestPixel; + } + pSrcLine += srcStride; + pDestLine += destStride; + } + return pDestBmp; +} + +} -- cgit v1.2.3