/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

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 * 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 .

 */

#include <drawinglayer/primitive2d/BitmapAlphaPrimitive2D.hxx>

#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>

#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>

#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>

#include <com/sun/star/awt/XBitmap.hpp>

#include <utility>

using namespace com::sun::star;

namespace drawinglayer::primitive2d

{

Primitive2DReference BitmapAlphaPrimitive2D::create2DDecomposition(

    const geometry::ViewInformation2D& /*rViewInformation*/) const

{

    if (basegfx::fTools::equal(getTransparency(), 1.0))

    {

        // completely transparent, done

        return nullptr;

    }

    if (getBitmap().IsEmpty())

    {

        // no geometry, done

        return nullptr;

    }

    if (basegfx::fTools::equalZero(getTransparency()))

    {

        // no transparency, use simple BitmapPrimitive2D

        return Primitive2DReference{ new BitmapPrimitive2D(getBitmap(), getTransform()) };

    }

    // default: embed to UnifiedTransparencePrimitive2D

    Primitive2DContainer aContent{ new BitmapPrimitive2D(getBitmap(), getTransform()) };

    return Primitive2DReference{ new UnifiedTransparencePrimitive2D(std::move(aContent),

                                                                    getTransparency()) };

}

BitmapAlphaPrimitive2D::BitmapAlphaPrimitive2D(BitmapEx xXBitmap, basegfx::B2DHomMatrix aTransform,

                                               double fTransparency)

    : maBitmap(std::move(xXBitmap))

    , maTransform(std::move(aTransform))

    , mfTransparency(std::max(0.0, std::min(1.0, fTransparency)))

{

}

bool BitmapAlphaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const

{

    if (BasePrimitive2D::operator==(rPrimitive))

    {

        const BitmapAlphaPrimitive2D& rCompare

            = static_cast<const BitmapAlphaPrimitive2D&>(rPrimitive);

        return (getBitmap() == rCompare.getBitmap() && getTransform() == rCompare.getTransform()

                && basegfx::fTools::equal(getTransparency(), rCompare.getTransparency()));

    }

    return false;

}

basegfx::B2DRange

BitmapAlphaPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const

{

    basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);

    aRetval.transform(maTransform);

    return aRetval;

}

sal_Int64 BitmapAlphaPrimitive2D::estimateUsage()

{

    if (getBitmap().IsEmpty())

    {

        return 0;

    }

    return getBitmap().GetSizeBytes();

}

// provide unique ID

sal_uInt32 BitmapAlphaPrimitive2D::getPrimitive2DID() const

{

    return PRIMITIVE2D_ID_BITMAPALPHAPRIMITIVE2D;

}

} // end of namespace

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