91 lines
3 KiB
C++
91 lines
3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <basegfx/pixel/bpixel.hxx>
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#include <sal/types.h>
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#include <memory>
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#include <cassert>
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#include <string.h>
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namespace basegfx
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{
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class BZPixelRaster
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{
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private:
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BZPixelRaster(const BZPixelRaster&) = delete;
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BZPixelRaster& operator=(const BZPixelRaster&) = delete;
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sal_uInt32 mnWidth;
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sal_uInt32 mnHeight;
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sal_uInt32 mnCount;
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std::unique_ptr<BPixel[]> mpContent;
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std::unique_ptr<sal_uInt16[]> mpZBuffer;
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public:
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// constructor/destructor
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BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
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: mnWidth(nWidth),
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mnHeight(nHeight),
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mnCount(nWidth * nHeight),
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mpContent(new BPixel[mnCount]),
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mpZBuffer(new sal_uInt16[mnCount])
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{
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memset(mpZBuffer.get(), 0, sizeof(sal_uInt16) * mnCount);
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}
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// coordinate calcs between X/Y and span
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sal_uInt32 getIndexFromXY(sal_uInt32 nX, sal_uInt32 nY) const { return (nX + (nY * mnWidth)); }
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// data access read
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sal_uInt32 getWidth() const { return mnWidth; }
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sal_uInt32 getHeight() const { return mnHeight; }
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// data access read only
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const BPixel& getBPixel(sal_uInt32 nIndex) const
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{
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assert(nIndex < mnCount && "Access out of range");
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return mpContent[nIndex];
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}
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// data access read/write
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BPixel& getBPixel(sal_uInt32 nIndex)
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{
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assert(nIndex < mnCount && "Access out of range");
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return mpContent[nIndex];
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}
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// data access read only
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const sal_uInt16& getZ(sal_uInt32 nIndex) const
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{
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assert(nIndex < mnCount && "Access out of range");
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return mpZBuffer[nIndex];
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}
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// data access read/write
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sal_uInt16& getZ(sal_uInt32 nIndex)
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{
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assert(nIndex < mnCount && "Access out of range");
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return mpZBuffer[nIndex];
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}
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};
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} // end of namespace basegfx
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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