/* -*- 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 <headless/CairoCommon.hxx>
#include <headless/svpbmp.hxx>
#include <basegfx/utils/systemdependentdata.hxx>

class VCL_DLLPUBLIC BitmapHelper : public SurfaceHelper
{
private:
#ifdef HAVE_CAIRO_FORMAT_RGB24_888
    const bool m_bForceARGB32;
#endif
    SvpSalBitmap aTmpBmp;

public:
    explicit BitmapHelper(const SalBitmap& rSourceBitmap, const bool bForceARGB32 = false);
    void mark_dirty();
    unsigned char* getBits(sal_Int32& rStride);
};

class VCL_DLLPUBLIC MaskHelper : public SurfaceHelper
{
private:
    std::unique_ptr<unsigned char[]> pAlphaBits;

public:
    explicit MaskHelper(const SalBitmap& rAlphaBitmap);
};

class SystemDependentData_BitmapHelper : public basegfx::SystemDependentData
{
private:
    std::shared_ptr<BitmapHelper> maBitmapHelper;

public:
    SystemDependentData_BitmapHelper(std::shared_ptr<BitmapHelper> xBitmapHelper);

    const std::shared_ptr<BitmapHelper>& getBitmapHelper() const { return maBitmapHelper; };
    virtual sal_Int64 estimateUsageInBytes() const override;
};

class SystemDependentData_MaskHelper : public basegfx::SystemDependentData
{
private:
    std::shared_ptr<MaskHelper> maMaskHelper;

public:
    SystemDependentData_MaskHelper(std::shared_ptr<MaskHelper> xMaskHelper);

    const std::shared_ptr<MaskHelper>& getMaskHelper() const { return maMaskHelper; };
    virtual sal_Int64 estimateUsageInBytes() const override;
};

VCL_DLLPUBLIC void tryToUseSourceBuffer(const SalBitmap& rSourceBitmap,
                                        std::shared_ptr<BitmapHelper>& rSurface);
VCL_DLLPUBLIC void tryToUseMaskBuffer(const SalBitmap& rMaskBitmap,
                                      std::shared_ptr<MaskHelper>& rMask);

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