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path: root/drawinglayer/source/primitive2d/shadowprimitive2d.cxx
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/* -*- 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/shadowprimitive2d.hxx>
#include <basegfx/color/bcolormodifier.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>

//////////////////////////////////////////////////////////////////////////////

using namespace com::sun::star;

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
    namespace primitive2d
    {
        ShadowPrimitive2D::ShadowPrimitive2D(
            const basegfx::B2DHomMatrix& rShadowTransform,
            const basegfx::BColor& rShadowColor,
            const Primitive2DSequence& rChildren)
        :   GroupPrimitive2D(rChildren),
            maShadowTransform(rShadowTransform),
            maShadowColor(rShadowColor)
        {
        }

        bool ShadowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
        {
            if(BasePrimitive2D::operator==(rPrimitive))
            {
                const ShadowPrimitive2D& rCompare = static_cast< const ShadowPrimitive2D& >(rPrimitive);

                return (getShadowTransform() == rCompare.getShadowTransform()
                    && getShadowColor() == rCompare.getShadowColor());
            }

            return false;
        }

        basegfx::B2DRange ShadowPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
        {
            basegfx::B2DRange aRetval(getB2DRangeFromPrimitive2DSequence(getChildren(), rViewInformation));
            aRetval.transform(getShadowTransform());
            return aRetval;
        }

        Primitive2DSequence ShadowPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
        {
            Primitive2DSequence aRetval;

            if(getChildren().hasElements())
            {
                // create a modifiedColorPrimitive containing the shadow color and the content
                const basegfx::BColorModifier aBColorModifier(getShadowColor());
                const Primitive2DReference xRefA(new ModifiedColorPrimitive2D(getChildren(), aBColorModifier));
                const Primitive2DSequence aSequenceB(&xRefA, 1L);

                // build transformed primitiveVector with shadow offset and add to target
                const Primitive2DReference xRefB(new TransformPrimitive2D(getShadowTransform(), aSequenceB));
                aRetval = Primitive2DSequence(&xRefB, 1L);
            }

            return aRetval;
        }

        // provide unique ID
        ImplPrimitrive2DIDBlock(ShadowPrimitive2D, PRIMITIVE2D_ID_SHADOWPRIMITIVE2D)

    } // end of namespace primitive2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////
// eof

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