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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: bpixelraster.hxx,v $
*
* $Revision: 1.2 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _BGFX_RASTER_BPIXELRASTER_HXX
#define _BGFX_RASTER_BPIXELRASTER_HXX
#include <algorithm>
#include <sal/types.h>
#include <basegfx/pixel/bpixel.hxx>
#include <rtl/memory.h>
//////////////////////////////////////////////////////////////////////////////
// predeclarations
//////////////////////////////////////////////////////////////////////////////
namespace basegfx
{
class BPixelRaster
{
private:
// do not allow copy constructor and assignment operator
BPixelRaster(const BPixelRaster&);
BPixelRaster& operator=(const BPixelRaster&);
protected:
sal_uInt32 mnWidth;
sal_uInt32 mnHeight;
sal_uInt32 mnCount;
BPixel* mpContent;
public:
// reset
void reset()
{
rtl_zeroMemory(mpContent, sizeof(BPixel) * mnCount);
}
// constructor/destructor
BPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
: mnWidth(nWidth),
mnHeight(nHeight),
mnCount(nWidth * nHeight),
mpContent(new BPixel[mnCount])
{
reset();
}
~BPixelRaster()
{
delete [] mpContent;
}
// coordinate calcs between X/Y and span
sal_uInt32 getIndexFromXY(sal_uInt32 nX, sal_uInt32 nY) const { return (nX + (nY * mnWidth)); }
sal_uInt32 getXFromIndex(sal_uInt32 nIndex) const { return (nIndex % mnWidth); }
sal_uInt32 getYFromIndex(sal_uInt32 nIndex) const { return (nIndex / mnWidth); }
// data access read
sal_uInt32 getWidth() const { return mnWidth; }
sal_uInt32 getHeight() const { return mnHeight; }
sal_uInt32 getCount() const { return mnCount; }
// data access read only
const BPixel& getBPixel(sal_uInt32 nIndex) const
{
#ifdef DBG_UTIL
if(nIndex >= mnCount)
{
OSL_ENSURE(false, "getBPixel: Access out of range (!)");
return BPixel::getEmptyBPixel();
}
#endif
return mpContent[nIndex];
}
// data access read/write
BPixel& getBPixel(sal_uInt32 nIndex)
{
#ifdef DBG_UTIL
if(nIndex >= mnCount)
{
OSL_ENSURE(false, "getBPixel: Access out of range (!)");
return mpContent[0L];
}
#endif
return mpContent[nIndex];
}
};
} // end of namespace basegfx
#endif /* _BGFX_RASTER_BPIXELRASTER_HXX */
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