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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 .
*/
#pragma once
#include <basegfx/pixel/bpixel.hxx>
#include <sal/types.h>
#include <memory>
#include <cassert>
#include <string.h>
namespace basegfx
{
class BZPixelRaster
{
private:
BZPixelRaster(const BZPixelRaster&) = delete;
BZPixelRaster& operator=(const BZPixelRaster&) = delete;
sal_uInt32 mnWidth;
sal_uInt32 mnHeight;
sal_uInt32 mnCount;
std::unique_ptr<BPixel[]> mpContent;
std::unique_ptr<sal_uInt16[]> mpZBuffer;
public:
// constructor/destructor
BZPixelRaster(sal_uInt32 nWidth, sal_uInt32 nHeight)
: mnWidth(nWidth),
mnHeight(nHeight),
mnCount(nWidth * nHeight),
mpContent(new BPixel[mnCount]),
mpZBuffer(new sal_uInt16[mnCount])
{
memset(mpZBuffer.get(), 0, sizeof(sal_uInt16) * mnCount);
}
// coordinate calcs between X/Y and span
sal_uInt32 getIndexFromXY(sal_uInt32 nX, sal_uInt32 nY) const { return (nX + (nY * mnWidth)); }
// data access read
sal_uInt32 getWidth() const { return mnWidth; }
sal_uInt32 getHeight() const { return mnHeight; }
// 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];
}
// data access read only
const sal_uInt16& getZ(sal_uInt32 nIndex) const
{
assert(nIndex < mnCount && "Access out of range");
return mpZBuffer[nIndex];
}
// data access read/write
sal_uInt16& getZ(sal_uInt32 nIndex)
{
assert(nIndex < mnCount && "Access out of range");
return mpZBuffer[nIndex];
}
};
} // end of namespace basegfx
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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