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

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 * 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 .

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#include <drawinglayer/primitive2d/PolyPolygonGraphicPrimitive2D.hxx>

#include <basegfx/matrix/b2dhommatrix.hxx>

#include <basegfx/matrix/b2dhommatrixtools.hxx>

#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>

#include <drawinglayer/primitive2d/maskprimitive2d.hxx>

#include <drawinglayer/primitive2d/graphicprimitivehelper2d.hxx>

#include <utility>

#include <vcl/graph.hxx>

using namespace com::sun::star;

namespace drawinglayer::primitive2d

{

Primitive2DReference PolyPolygonGraphicPrimitive2D::create2DDecomposition(

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

{

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

    {

        // completely transparent, done

        return nullptr;

    }

    if (getFillGraphic().isDefault())

    {

        // no geometry data, done

        return nullptr;

    }

    const Graphic& rGraphic(getFillGraphic().getGraphic());

    const GraphicType aType(rGraphic.GetType());

    // is there a bitmap or a metafile (do we have content)?

    if (GraphicType::Bitmap != aType && GraphicType::GdiMetafile != aType)

    {

        // no geometry data, done

        return nullptr;

    }

    const Size aPrefSize(rGraphic.GetPrefSize());

    // does content have a size?

    if (!(aPrefSize.Width() && aPrefSize.Height()))

    {

        // no geometry data with size, done

        return nullptr;

    }

    // create SubSequence with FillGraphicPrimitive2D based on polygon range

    const basegfx::B2DRange aOutRange(getB2DPolyPolygon().getB2DRange());

    const basegfx::B2DHomMatrix aTransform(basegfx::utils::createScaleTranslateB2DHomMatrix(

        aOutRange.getRange(), aOutRange.getMinimum()));

    drawinglayer::attribute::FillGraphicAttribute aFillGraphicAttribute(getFillGraphic());

    if (aOutRange != getDefinitionRange())

    {

        // we want to paint (tiled) content which is defined relative to DefinitionRange

        // with the same tiling and offset(s) in the target range of the geometry (the

        // polygon). The range given in the local FillGraphicAttribute defines the position

        // of the graphic in unit coordinates relative to the DefinitionRange. Transform

        // this using DefinitionRange to get to the global definition and then with the

        // inverse transformation from the target range to go to unit coordinates relative

        // to that target coordinate system.

        basegfx::B2DRange aAdaptedRange(getFillGraphic().getGraphicRange());

        const basegfx::B2DHomMatrix aFromDefinitionRangeToGlobal(

            basegfx::utils::createScaleTranslateB2DHomMatrix(getDefinitionRange().getRange(),

                                                             getDefinitionRange().getMinimum()));

        aAdaptedRange.transform(aFromDefinitionRangeToGlobal);

        basegfx::B2DHomMatrix aFromGlobalToOutRange(

            basegfx::utils::createScaleTranslateB2DHomMatrix(aOutRange.getRange(),

                                                             aOutRange.getMinimum()));

        aFromGlobalToOutRange.invert();

        aAdaptedRange.transform(aFromGlobalToOutRange);

        aFillGraphicAttribute = drawinglayer::attribute::FillGraphicAttribute(

            getFillGraphic().getGraphic(), aAdaptedRange, getFillGraphic().getTiling(),

            getFillGraphic().getOffsetX(), getFillGraphic().getOffsetY());

    }

    // use tooling due to evtl. animation info needs to be created if

    // the Graphic is animated somehow

    Primitive2DReference aContent(

        createFillGraphicPrimitive2D(aTransform, aFillGraphicAttribute, getTransparency()));

    // embed to mask primitive

    return new MaskPrimitive2D(getB2DPolyPolygon(), Primitive2DContainer{ aContent });

}

PolyPolygonGraphicPrimitive2D::PolyPolygonGraphicPrimitive2D(

    basegfx::B2DPolyPolygon aPolyPolygon, const basegfx::B2DRange& rDefinitionRange,

    const attribute::FillGraphicAttribute& rFillGraphic, double fTransparency)

    : maPolyPolygon(std::move(aPolyPolygon))

    , maDefinitionRange(rDefinitionRange)

    , maFillGraphic(rFillGraphic)

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

{

}

bool PolyPolygonGraphicPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const

{

    if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))

    {

        const PolyPolygonGraphicPrimitive2D& rCompare

            = static_cast<const PolyPolygonGraphicPrimitive2D&>(rPrimitive);

        return (getB2DPolyPolygon() == rCompare.getB2DPolyPolygon()

                && getDefinitionRange() == rCompare.getDefinitionRange()

                && getFillGraphic() == rCompare.getFillGraphic()

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

    }

    return false;

}

// provide unique ID

sal_uInt32 PolyPolygonGraphicPrimitive2D::getPrimitive2DID() const

{

    return PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D;

}

} // end drawinglayer::primitive2d namespace

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