/* -*- 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 <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>

#include <drawinglayer/primitive2d/transformprimitive2d.hxx>

#include <drawinglayer/primitive2d/PolyPolygonRGBAPrimitive2D.hxx>

#include <basegfx/polygon/b2dpolygontools.hxx>

#include <svgfefloodnode.hxx>

#include <o3tl/string_view.hxx>

namespace svgio::svgreader

{

SvgFeFloodNode::SvgFeFloodNode(SvgDocument& rDocument, SvgNode* pParent)

    : SvgFilterNode(SVGToken::FeFlood, rDocument, pParent)

    , maX(0.0)

    , maY(0.0)

    , maWidth(0.0)

    , maHeight(0.0)

    , maFloodColor(SvgPaint())

    , maFloodOpacity(1.0)

{

}

SvgFeFloodNode::~SvgFeFloodNode() {}

void SvgFeFloodNode::parseAttribute(SVGToken aSVGToken, const OUString& aContent)

{

    // parse own

    switch (aSVGToken)

    {

        case SVGToken::Style:

        {

            readLocalCssStyle(aContent);

            break;

        }

        case SVGToken::Result:

        {

            maResult = aContent.trim();

            break;

        }

        case SVGToken::X:

        {

            SvgNumber aNum;

            if (readSingleNumber(aContent, aNum))

            {

                maX = aNum;

            }

            break;

        }

        case SVGToken::Y:

        {

            SvgNumber aNum;

            if (readSingleNumber(aContent, aNum))

            {

                maY = aNum;

            }

            break;

        }

        case SVGToken::Width:

        {

            SvgNumber aNum;

            if (readSingleNumber(aContent, aNum))

            {

                if (aNum.isPositive())

                {

                    maWidth = aNum;

                }

            }

            break;

        }

        case SVGToken::Height:

        {

            SvgNumber aNum;

            if (readSingleNumber(aContent, aNum))

            {

                if (aNum.isPositive())

                {

                    maHeight = aNum;

                }

            }

            break;

        }

        case SVGToken::FloodColor:

        {

            SvgPaint aSvgPaint;

            OUString aURL;

            SvgNumber aOpacity;

            if (readSvgPaint(aContent, aSvgPaint, aURL, aOpacity))

            {

                maFloodColor = aSvgPaint;

            }

            break;

        }

        case SVGToken::FloodOpacity:

        {

            SvgNumber aNum;

            if (readSingleNumber(aContent, aNum))

            {

                maFloodOpacity = SvgNumber(std::clamp(aNum.getNumber(), 0.0, 1.0), aNum.getUnit(),

                                           aNum.isSet());

            }

            break;

        }

        default:

        {

            break;

        }

    }

}

void SvgFeFloodNode::apply(drawinglayer::primitive2d::Primitive2DContainer& rTarget,

                           const SvgFilterNode* pParent) const

{

    const double fWidth(maWidth.solve(*this, NumberType::xcoordinate));

    const double fHeight(maHeight.solve(*this, NumberType::ycoordinate));

    if (fWidth <= 0.0 || fHeight <= 0.0)

        return;

    const double fX(maX.solve(*this, NumberType::xcoordinate));

    const double fY(maY.solve(*this, NumberType::ycoordinate));

    const basegfx::B2DRange aRange(fX, fY, fX + fWidth, fY + fHeight);

    const double fOpacity(maFloodOpacity.solve(*this));

    if (basegfx::fTools::moreOrEqual(fOpacity, 1.0))

    {

        // no transparence

        rTarget = drawinglayer::primitive2d::Primitive2DContainer{

            new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(

                basegfx::B2DPolyPolygon(basegfx::utils::createPolygonFromRect(aRange)),

                maFloodColor.getBColor())

        };

    }

    else

    {

        // transparence

        rTarget = drawinglayer::primitive2d::Primitive2DContainer{

            new drawinglayer::primitive2d::PolyPolygonRGBAPrimitive2D(

                basegfx::B2DPolyPolygon(basegfx::utils::createPolygonFromRect(aRange)),

                maFloodColor.getBColor(), 1.0 - fOpacity)

        };

    }

    pParent->addGraphicSourceToMapper(maResult, rTarget);

}

} // end of namespace svgio::svgreader

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */