/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 * 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
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 *   ownership. The ASF licenses this file to you under the Apache
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 *   except in compliance with the License. You may obtain a copy of
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#include <drawinglayer/primitive2d/PolyPolygonSelectionPrimitive2D.hxx>

#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonStrokePrimitive2D.hxx>
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <utility>

using namespace com::sun::star;

namespace drawinglayer::primitive2d
{
Primitive2DReference PolyPolygonSelectionPrimitive2D::create2DDecomposition(
    const geometry::ViewInformation2D& /*rViewInformation*/) const
{
    if (getTransparence() >= 1.0 || !getB2DPolyPolygon().count())
        return nullptr;

    Primitive2DContainer aRetval;

    if (getFill() && getB2DPolyPolygon().isClosed())
    {
        // create fill primitive
        const Primitive2DReference aFill(
            new PolyPolygonColorPrimitive2D(getB2DPolyPolygon(), getColor()));

        aRetval = Primitive2DContainer{ aFill };
    }

    if (getDiscreteGrow() > 0.0)
    {
        const attribute::LineAttribute aLineAttribute(getColor(),
                                                      getDiscreteGrow() * getDiscreteUnit() * 2.0);
        const Primitive2DReference aFatLine(
            new PolyPolygonStrokePrimitive2D(getB2DPolyPolygon(), aLineAttribute));

        aRetval.push_back(aFatLine);
    }

    // embed filled to transparency (if used)
    if (!aRetval.empty() && getTransparence() > 0.0)
    {
        const Primitive2DReference aTrans(
            new UnifiedTransparencePrimitive2D(std::move(aRetval), getTransparence()));

        aRetval = Primitive2DContainer{ aTrans };
    }

    return new GroupPrimitive2D(std::move(aRetval));
}

PolyPolygonSelectionPrimitive2D::PolyPolygonSelectionPrimitive2D(
    basegfx::B2DPolyPolygon aPolyPolygon, const basegfx::BColor& rColor, double fTransparence,
    double fDiscreteGrow, bool bFill)
    : maPolyPolygon(std::move(aPolyPolygon))
    , maColor(rColor)
    , mfTransparence(fTransparence)
    , mfDiscreteGrow(fabs(fDiscreteGrow))
    , mbFill(bFill)
{
}

bool PolyPolygonSelectionPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
    if (DiscreteMetricDependentPrimitive2D::operator==(rPrimitive))
    {
        const PolyPolygonSelectionPrimitive2D& rCompare
            = static_cast<const PolyPolygonSelectionPrimitive2D&>(rPrimitive);

        return (
            getB2DPolyPolygon() == rCompare.getB2DPolyPolygon() && getColor() == rCompare.getColor()
            && getTransparence() == rCompare.getTransparence()
            && getDiscreteGrow() == rCompare.getDiscreteGrow() && getFill() == rCompare.getFill());
    }

    return false;
}

basegfx::B2DRange PolyPolygonSelectionPrimitive2D::getB2DRange(
    const geometry::ViewInformation2D& rViewInformation) const
{
    basegfx::B2DRange aRetval(getB2DPolyPolygon().getB2DRange());

    if (getDiscreteGrow() > 0.0)
    {
        // get the current DiscreteUnit (not sure if getDiscreteUnit() is updated here, better go safe way)
        const double fDiscreteUnit(
            (rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 0.0))
                .getLength());

        aRetval.grow(fDiscreteUnit * getDiscreteGrow());
    }

    return aRetval;
}

// provide unique ID
sal_uInt32 PolyPolygonSelectionPrimitive2D::getPrimitive2DID() const
{
    return PRIMITIVE2D_ID_POLYPOLYGONSELECTIONPRIMITIVE2D;
}

} // end drawinglayer::primitive2d namespace

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