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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_BASEGFX_RASTER_BPIXELRASTER_HXX
#define INCLUDED_BASEGFX_RASTER_BPIXELRASTER_HXX
#include <algorithm>
#include <string.h>
#include <sal/types.h>
#include <basegfx/pixel/bpixel.hxx>
#include <basegfx/basegfxdllapi.h>
namespace basegfx
{
class BPixelRaster
{
private:
BPixelRaster(const BPixelRaster&) SAL_DELETED_FUNCTION;
BPixelRaster& operator=(const BPixelRaster&) SAL_DELETED_FUNCTION;
protected:
sal_uInt32 mnWidth;
sal_uInt32 mnHeight;
sal_uInt32 mnCount;
BPixel* mpContent;
public:
// reset
void reset()
{
memset(mpContent, 0, 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
{
assert(nIndex < mnCount && "Access out of range");
return mpContent[nIndex];
}
// data access read/write
BPixel& getBPixel(sal_uInt32 nIndex)
{
assert(nIndex < mnCount && "Access out of range");
return mpContent[nIndex];
}
};
} // end of namespace basegfx
#endif // INCLUDED_BASEGFX_RASTER_BPIXELRASTER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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