/* -*- 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 <basegfx/utils/canvastools.hxx>

#include <basegfx/polygon/b2dpolypolygon.hxx>

#include <canvas/canvastools.hxx>

#include <osl/diagnose.h>

#include <utility>

#include "implsprite.hxx"

using namespace ::com::sun::star;

namespace cppcanvas::internal

{

        ImplSprite::ImplSprite( const uno::Reference< rendering::XSpriteCanvas >&       rParentCanvas,

                                uno::Reference< rendering::XSprite >              rSprite,

                                ImplSpriteCanvas::TransformationArbiterSharedPtr  xTransformArbiter ) :

            mxSprite(std::move( rSprite )),

            mpTransformArbiter(std::move( xTransformArbiter ))

        {

            // Avoiding ternary operator in initializer list (Solaris

            // compiler bug, when function call and temporary is

            // involved)

            if( rParentCanvas.is() )

                mxGraphicDevice = rParentCanvas->getDevice();

            OSL_ENSURE( rParentCanvas.is() , "ImplSprite::ImplSprite(): Invalid canvas");

            OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::ImplSprite(): Invalid graphic device");

            OSL_ENSURE( mxSprite.is(), "ImplSprite::ImplSprite(): Invalid sprite");

            OSL_ENSURE( mpTransformArbiter, "ImplSprite::ImplSprite(): Invalid transformation arbiter");

        }

Unexecuted instantiation: cppcanvas::internal::ImplSprite::ImplSprite(com::sun::star::uno::Reference<com::sun::star::rendering::XSpriteCanvas> const&, com::sun::star::uno::Reference<com::sun::star::rendering::XSprite>, std::__1::shared_ptr<cppcanvas::internal::ImplSpriteCanvas::TransformationArbiter>)

Unexecuted instantiation: cppcanvas::internal::ImplSprite::ImplSprite(com::sun::star::uno::Reference<com::sun::star::rendering::XSpriteCanvas> const&, com::sun::star::uno::Reference<com::sun::star::rendering::XSprite>, std::__1::shared_ptr<cppcanvas::internal::ImplSpriteCanvas::TransformationArbiter>)

        ImplSprite::~ImplSprite()

        {

            // hide the sprite on the canvas. If we don't hide the

            // sprite, it will stay on the canvas forever, since the

            // canvas naturally keeps a list of visible sprites

            // (otherwise, it wouldn't be able to paint them

            // autonomously)

            if( mxSprite.is() )

                mxSprite->hide();

        }

        void ImplSprite::setAlpha( const double& rAlpha )

        {

            OSL_ENSURE( mxSprite.is(), "ImplSprite::setAlpha(): Invalid sprite");

            if( mxSprite.is() )

                mxSprite->setAlpha( rAlpha );

        }

        void ImplSprite::movePixel( const ::basegfx::B2DPoint& rNewPos )

        {

            OSL_ENSURE( mxSprite.is(), "ImplSprite::movePixel(): Invalid sprite");

            if( mxSprite.is() )

            {

                rendering::ViewState    aViewState;

                rendering::RenderState  aRenderState;

                ::canvastools::initViewState( aViewState );

                ::canvastools::initRenderState( aRenderState );

                mxSprite->move( ::basegfx::unotools::point2DFromB2DPoint( rNewPos ),

                                aViewState,

                                aRenderState );

            }

        }

        void ImplSprite::move( const ::basegfx::B2DPoint& rNewPos )

        {

            OSL_ENSURE( mxSprite.is(), "ImplSprite::move(): Invalid sprite");

            if( !mxSprite.is() )

                return;

            rendering::ViewState    aViewState;

            rendering::RenderState  aRenderState;

            ::canvastools::initViewState( aViewState );

            ::canvastools::initRenderState( aRenderState );

            ::canvastools::setViewStateTransform( aViewState,

                                                    mpTransformArbiter->getTransformation() );

            mxSprite->move( ::basegfx::unotools::point2DFromB2DPoint( rNewPos ),

                            aViewState,

                            aRenderState );

        }

        void ImplSprite::transform( const ::basegfx::B2DHomMatrix& rMatrix )

        {

            OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");

            if( mxSprite.is() )

            {

                geometry::AffineMatrix2D aMatrix;

                mxSprite->transform( ::basegfx::unotools::affineMatrixFromHomMatrix( aMatrix,

                                                                                     rMatrix ) );

            }

        }

        void ImplSprite::setClipPixel( const ::basegfx::B2DPolyPolygon& rClipPoly )

        {

            OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");

            OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");

            if( mxSprite.is() && mxGraphicDevice.is() )

                mxSprite->clip( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( mxGraphicDevice,

                                                                                         rClipPoly ) );

        }

        void ImplSprite::setClip( const ::basegfx::B2DPolyPolygon& rClipPoly )

        {

            OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");

            OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");

            if( !(mxSprite.is() && mxGraphicDevice.is()) )

                return;

            ::basegfx::B2DPolyPolygon   aTransformedClipPoly( rClipPoly );

            // extract linear part of canvas view transformation (linear means:

            // without translational components)

            ::basegfx::B2DHomMatrix     aViewTransform( mpTransformArbiter->getTransformation() );

            aViewTransform.set( 0, 2, 0.0 );

            aViewTransform.set( 1, 2, 0.0 );

            // transform polygon from view to device coordinate space

            aTransformedClipPoly.transform( aViewTransform );

            mxSprite->clip( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( mxGraphicDevice,

                                                                                 aTransformedClipPoly ) );

        }

        void ImplSprite::setClip()

        {

            OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");

            OSL_ENSURE( mxSprite.is(), "ImplSprite::setClip(): Invalid sprite");

            if( mxSprite.is() && mxGraphicDevice.is() )

                mxSprite->clip( uno::Reference< rendering::XPolyPolygon2D >() );

        }

        void ImplSprite::show()

        {

            OSL_ENSURE( mxSprite.is(), "ImplSprite::show(): Invalid sprite");

            if( mxSprite.is() )

                mxSprite->show();

        }

        void ImplSprite::hide()

        {

            OSL_ENSURE( mxSprite.is(), "ImplSprite::hide(): Invalid sprite");

            if( mxSprite.is() )

                mxSprite->hide();

        }

        void ImplSprite::setPriority( double fPriority )

        {

            OSL_ENSURE( mxSprite.is(), "ImplSprite::setPriority(): Invalid sprite");

            if( mxSprite.is() )

                mxSprite->setPriority(fPriority);

        }

}

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