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Diffstat (limited to 'include/basegfx/raster/bpixelraster.hxx')
-rw-r--r-- | include/basegfx/raster/bpixelraster.hxx | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/include/basegfx/raster/bpixelraster.hxx b/include/basegfx/raster/bpixelraster.hxx new file mode 100644 index 000000000000..ed7ac931d805 --- /dev/null +++ b/include/basegfx/raster/bpixelraster.hxx @@ -0,0 +1,99 @@ +/* -*- 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 _BGFX_RASTER_BPIXELRASTER_HXX +#define _BGFX_RASTER_BPIXELRASTER_HXX + +#include <algorithm> +#include <string.h> +#include <sal/types.h> +#include <basegfx/pixel/bpixel.hxx> +#include <basegfx/basegfxdllapi.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() + { + 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 /* _BGFX_RASTER_BPIXELRASTER_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |