/* -*- 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 .

 */

#include "OverlayRanges.hxx"

#include <view.hxx>

#include <svx/sdrpaintwindow.hxx>

#include <svx/svdview.hxx>

#include <svx/sdr/overlay/overlaymanager.hxx>

#include <basegfx/polygon/b2dpolygon.hxx>

#include <basegfx/polygon/b2dpolypolygon.hxx>

#include <basegfx/polygon/b2dpolygontools.hxx>

#include <basegfx/polygon/b2dpolypolygoncutter.hxx>

#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>

#include <drawinglayer/primitive2d/PolyPolygonHairlinePrimitive2D.hxx>

#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>

#include <svtools/optionsdrawinglayer.hxx>

namespace sw::overlay

{

        drawinglayer::primitive2d::Primitive2DContainer OverlayRanges::createOverlayObjectPrimitive2DSequence()

        {

            const sal_uInt32 nCount(getRanges().size());

            drawinglayer::primitive2d::Primitive2DContainer aRetval;

            aRetval.resize(nCount);

            for ( sal_uInt32 a = 0; a < nCount; ++a )

            {

                const basegfx::BColor aRGBColor(getBaseColor().getBColor());

                const basegfx::B2DPolygon aPolygon(basegfx::utils::createPolygonFromRect(maRanges[a]));

                aRetval[a] =

                    new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(

                    basegfx::B2DPolyPolygon(aPolygon),

                    aRGBColor);

            }

            // embed all rectangles in transparent paint

            const sal_uInt16 nTransparence( SvtOptionsDrawinglayer::GetTransparentSelectionPercent() );

            const double fTransparence( nTransparence / 100.0 );

            const drawinglayer::primitive2d::Primitive2DReference aUnifiedTransparence(

                new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(

                std::move(aRetval),

                fTransparence));

            if ( mbShowSolidBorder )

            {

                const basegfx::BColor aRGBColor(getBaseColor().getBColor());

                basegfx::B2DPolyPolygon aPolyPolygon(basegfx::utils::combineRectanglesToPolyPolygon(getRanges()));

                const drawinglayer::primitive2d::Primitive2DReference aOutline(

                    new drawinglayer::primitive2d::PolyPolygonHairlinePrimitive2D(

                    std::move(aPolyPolygon),

                    aRGBColor));

                aRetval = drawinglayer::primitive2d::Primitive2DContainer { aUnifiedTransparence, aOutline };

            }

            else

            {

                aRetval = drawinglayer::primitive2d::Primitive2DContainer { aUnifiedTransparence };

            }

            return aRetval;

        }

        /*static*/ std::unique_ptr<OverlayRanges> OverlayRanges::CreateOverlayRange(

            SwView const & rDocView,

            const Color& rColor,

            std::vector< basegfx::B2DRange >&& rRanges,

            const bool bShowSolidBorder )

        {

            std::unique_ptr<OverlayRanges> pOverlayRanges;

            SdrView* pView = rDocView.GetDrawView();

            if ( pView != nullptr )

            {

                SdrPaintWindow* pCandidate = pView->GetPaintWindow(0);

                const rtl::Reference<sdr::overlay::OverlayManager>& xTargetOverlay = pCandidate->GetOverlayManager();

                if ( xTargetOverlay.is() )

                {

                    pOverlayRanges.reset(new sw::overlay::OverlayRanges( rColor, std::move(rRanges), bShowSolidBorder ));

                    xTargetOverlay->add( *pOverlayRanges );

                }

            }

            return pOverlayRanges;

        }

        OverlayRanges::OverlayRanges(

            const Color& rColor,

            std::vector< basegfx::B2DRange >&& rRanges,

            const bool bShowSolidBorder )

            : sdr::overlay::OverlayObject( rColor )

            , maRanges( std::move(rRanges) )

            , mbShowSolidBorder( bShowSolidBorder )

        {

            // no AA for highlight overlays

            allowAntiAliase(false);

        }

        OverlayRanges::~OverlayRanges()

        {

            if( getOverlayManager() )

            {

                getOverlayManager()->remove(*this);

            }

        }

        void OverlayRanges::setRanges(std::vector< basegfx::B2DRange >&& rNew)

        {

            if(rNew != maRanges)

            {

                maRanges = std::move(rNew);

                objectChange();

            }

        }

        void OverlayRanges::ShowSolidBorder()

        {

            if ( !mbShowSolidBorder )

            {

                mbShowSolidBorder = true;

                objectChange();

            }

        }

        void OverlayRanges::HideSolidBorder()

        {

            if ( mbShowSolidBorder )

            {

                mbShowSolidBorder = false;

                objectChange();

            }

        }

} // end of namespace sw::overlay

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