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 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_cppcanvas.hxx"

#include <rtl/logfile.hxx>

#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/TexturingMode.hpp>

#include <tools/gen.hxx>
#include <vcl/canvastools.hxx>

#include <basegfx/range/b2drectangle.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <canvas/canvastools.hxx>

#include <boost/utility.hpp>

#include "cachedprimitivebase.hxx"
#include "polypolyaction.hxx"
#include "outdevstate.hxx"
#include "mtftools.hxx"


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

namespace cppcanvas 
{ 
    namespace internal
    {
        namespace
        {
            class PolyPolyAction : public CachedPrimitiveBase
            { 
            public: 
                PolyPolyAction( const ::basegfx::B2DPolyPolygon&,  
                                const CanvasSharedPtr&, 
                                const OutDevState&,
                                bool bFill,
                                bool bStroke ); 
                PolyPolyAction( const ::basegfx::B2DPolyPolygon&,  
                                const CanvasSharedPtr&, 
                                const OutDevState&,
                                bool bFill,
                                bool bStroke,
                                int nTransparency ); 

                virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation,
                                     const Subset&					rSubset ) const;

                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix&	rTransformation,
                                                       const Subset&					rSubset ) const;

                virtual sal_Int32 getActionCount() const;

            private:
                using Action::render;
                virtual bool render( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
                                     const ::basegfx::B2DHomMatrix&                 rTransformation ) const;

                const uno::Reference< rendering::XPolyPolygon2D > 	mxPolyPoly;
                const ::basegfx::B2DRange							maBounds;
                const CanvasSharedPtr								mpCanvas;

            	// stroke color is now implicit: the maState.DeviceColor member
                rendering::RenderState								maState;
                        
                uno::Sequence< double >								maFillColor;
            };

            PolyPolyAction::PolyPolyAction( const ::basegfx::B2DPolyPolygon&	rPolyPoly, 
                                            const CanvasSharedPtr&              rCanvas,
                                            const OutDevState&                  rState,
                                            bool                                bFill,
                                            bool                                bStroke ) :
                CachedPrimitiveBase( rCanvas, false ),
                mxPolyPoly( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( rCanvas->getUNOCanvas()->getDevice(), rPolyPoly) ),
                maBounds( ::basegfx::tools::getRange(rPolyPoly) ),
                mpCanvas( rCanvas ),
                maState(),
                maFillColor()
            {
                tools::initRenderState(maState,rState);

                if( bFill )
                    maFillColor = rState.fillColor;
        
                if( bStroke )
                    maState.DeviceColor = rState.lineColor;
            }

            PolyPolyAction::PolyPolyAction( const ::basegfx::B2DPolyPolygon&	rPolyPoly, 
                                            const CanvasSharedPtr&              rCanvas,
                                            const OutDevState&                  rState,
                                            bool                                bFill,
                                            bool                                bStroke,
                                            int                                 nTransparency ) :
                CachedPrimitiveBase( rCanvas, false ),
                mxPolyPoly( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( rCanvas->getUNOCanvas()->getDevice(), rPolyPoly) ),
                maBounds( ::basegfx::tools::getRange(rPolyPoly) ),
                mpCanvas( rCanvas ),
                maState(),
                maFillColor()
            {
                tools::initRenderState(maState,rState);

                if( bFill )
                {
                    maFillColor = rState.fillColor;

                    if( maFillColor.getLength() < 4 )
                        maFillColor.realloc( 4 );

                    // TODO(F1): Color management
                    // adapt fill color transparency
                    maFillColor[3] = 1.0 - nTransparency / 100.0;
                }
        
                if( bStroke )
                {
                    maState.DeviceColor = rState.lineColor;

                    if( maState.DeviceColor.getLength() < 4 )
                        maState.DeviceColor.realloc( 4 );

                    // TODO(F1): Color management
                    // adapt fill color transparency
                    maState.DeviceColor[3] = 1.0 - nTransparency / 100.0;
                }
            }

            bool PolyPolyAction::render( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
                                         const ::basegfx::B2DHomMatrix&                 rTransformation ) const
            {
                RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::PolyPolyAction::render()" );
                RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::PolyPolyAction: 0x%X", this );

                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);

#ifdef SPECIAL_DEBUG
                aLocalState.Clip.clear();
                aLocalState.DeviceColor = 
                    ::vcl::unotools::colorToDoubleSequence( mpCanvas->getUNOCanvas()->getDevice(),
                                                            ::Color( 0x80FF0000 ) );

                if( maState.Clip.is() )
                    mpCanvas->getUNOCanvas()->fillPolyPolygon( maState.Clip, 
                                                               mpCanvas->getViewState(), 
                                                               aLocalState );

                aLocalState.DeviceColor = maState.DeviceColor;
#endif

                if( maFillColor.getLength() )
                {
                    // TODO(E3): Use DBO's finalizer here,
                    // fillPolyPolygon() might throw
                    const uno::Sequence< double > aTmpColor( aLocalState.DeviceColor );
                    aLocalState.DeviceColor = maFillColor;
                    
                    rCachedPrimitive = mpCanvas->getUNOCanvas()->fillPolyPolygon( mxPolyPoly, 
                                                                                  mpCanvas->getViewState(),
                                                                                  aLocalState );
                    
                    aLocalState.DeviceColor = aTmpColor;
                }
                
                if( aLocalState.DeviceColor.getLength() )
                {
                    rCachedPrimitive = mpCanvas->getUNOCanvas()->drawPolyPolygon( mxPolyPoly, 
                                                                                  mpCanvas->getViewState(),
                                                                                  aLocalState );
                }

                return true;
            }

            bool PolyPolyAction::render( const ::basegfx::B2DHomMatrix&	rTransformation,
                                         const Subset&					rSubset ) const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.

                // polygon only contains a single action, fail if subset
                // requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return false;

                return CachedPrimitiveBase::render( rTransformation );
            }

            ::basegfx::B2DRange PolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix&	rTransformation ) const
            {
                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
                
                return tools::calcDevicePixelBounds( 
                    maBounds,
                    mpCanvas->getViewState(),
                    aLocalState );
            }

            ::basegfx::B2DRange PolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix&	rTransformation,
                                                           const Subset&					rSubset ) const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.

                // polygon only contains a single action, empty bounds
                // if subset requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return ::basegfx::B2DRange();

                return getBounds( rTransformation );
            }

            sal_Int32 PolyPolyAction::getActionCount() const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.
                return 1;
            }


            // -------------------------------------------------------------------------------

            class TexturedPolyPolyAction : public CachedPrimitiveBase
            { 
            public: 
                TexturedPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly,
                                        const CanvasSharedPtr&		     rCanvas, 
                                        const OutDevState&			     rState,
                                        const rendering::Texture& 	     rTexture ); 

                virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation,
                                     const Subset&					rSubset ) const;

                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix&	rTransformation,
                                                       const Subset&					rSubset ) const;

                virtual sal_Int32 getActionCount() const;

            private:
                using Action::render;
                virtual bool render( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
                                     const ::basegfx::B2DHomMatrix&                 rTransformation ) const;

                const uno::Reference< rendering::XPolyPolygon2D >	mxPolyPoly;
                const ::basegfx::B2DRectangle						maBounds;
                const CanvasSharedPtr								mpCanvas;

            	// stroke color is now implicit: the maState.DeviceColor member
                rendering::RenderState								maState;
                const rendering::Texture							maTexture;
            };

            TexturedPolyPolyAction::TexturedPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPolyPoly, 
                                                            const CanvasSharedPtr&		     rCanvas,
                                                            const OutDevState& 			     rState,
                                                            const rendering::Texture& 	     rTexture ) :
                CachedPrimitiveBase( rCanvas, true ),
                mxPolyPoly( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( rCanvas->getUNOCanvas()->getDevice(), rPolyPoly) ),
                maBounds( ::basegfx::tools::getRange(rPolyPoly) ),
                mpCanvas( rCanvas ),
                maState(),
                maTexture( rTexture )
            {
                tools::initRenderState(maState,rState);
            }

            bool TexturedPolyPolyAction::render( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
                                                 const ::basegfx::B2DHomMatrix&                 rTransformation ) const
            {
                RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::PolyPolyAction::render()" );
                RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::PolyPolyAction: 0x%X", this );

                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);

                uno::Sequence< rendering::Texture > aSeq(1);
                aSeq[0] = maTexture;
                
                rCachedPrimitive = mpCanvas->getUNOCanvas()->fillTexturedPolyPolygon( mxPolyPoly, 
                                                                                      mpCanvas->getViewState(),
                                                                                      aLocalState,
                                                                                      aSeq );
                return true;
            }

            bool TexturedPolyPolyAction::render( const ::basegfx::B2DHomMatrix&	rTransformation,
                                                 const Subset&					rSubset ) const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.

                // polygon only contains a single action, fail if subset
                // requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return false;

                return CachedPrimitiveBase::render( rTransformation );
            }

            ::basegfx::B2DRange TexturedPolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix&	rTransformation ) const
            {
                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
                
                return tools::calcDevicePixelBounds( 
                    maBounds,
                    mpCanvas->getViewState(),
                    aLocalState );
            }

            ::basegfx::B2DRange TexturedPolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix&	rTransformation,
                                                                   const Subset&					rSubset ) const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.

                // polygon only contains a single action, empty bounds
                // if subset requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return ::basegfx::B2DRange();

                return getBounds( rTransformation );
            }

            sal_Int32 TexturedPolyPolyAction::getActionCount() const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.
                return 1;
            }

            // -------------------------------------------------------------------------------

            class StrokedPolyPolyAction : public CachedPrimitiveBase
            { 
            public: 
                StrokedPolyPolyAction( const ::basegfx::B2DPolyPolygon&     rPoly,
                                       const CanvasSharedPtr&				rCanvas, 
                                       const OutDevState&					rState,
                                       const rendering::StrokeAttributes&	rStrokeAttributes ); 

                virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation,
                                     const Subset&					rSubset ) const;

                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix&	rTransformation,
                                                       const Subset&					rSubset ) const;

                virtual sal_Int32 getActionCount() const;

            private:
                using Action::render;
                virtual bool render( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
                                     const ::basegfx::B2DHomMatrix&                 rTransformation ) const;

                const uno::Reference< rendering::XPolyPolygon2D >	mxPolyPoly;
                const ::basegfx::B2DRectangle						maBounds;
                const CanvasSharedPtr								mpCanvas;
                rendering::RenderState								maState;
                const rendering::StrokeAttributes					maStrokeAttributes;
            };

            StrokedPolyPolyAction::StrokedPolyPolyAction( const ::basegfx::B2DPolyPolygon&      rPolyPoly, 
                                                          const CanvasSharedPtr&				rCanvas,
                                                          const OutDevState& 					rState,
                                                          const rendering::StrokeAttributes&	rStrokeAttributes ) :
                CachedPrimitiveBase( rCanvas, false ),
                mxPolyPoly( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( rCanvas->getUNOCanvas()->getDevice(), rPolyPoly) ),
                maBounds( ::basegfx::tools::getRange(rPolyPoly) ),
                mpCanvas( rCanvas ),
                maState(),
                maStrokeAttributes( rStrokeAttributes )
            {
                tools::initRenderState(maState,rState);
                maState.DeviceColor = rState.lineColor;
            }

            bool StrokedPolyPolyAction::render( uno::Reference< rendering::XCachedPrimitive >& rCachedPrimitive,
                                                const ::basegfx::B2DHomMatrix&                 rTransformation ) const
            {
                RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::PolyPolyAction::render()" );
                RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::PolyPolyAction: 0x%X", this );

                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);

                rCachedPrimitive = mpCanvas->getUNOCanvas()->strokePolyPolygon( mxPolyPoly, 
                                                                                mpCanvas->getViewState(),
                                                                                aLocalState,
                                                                                maStrokeAttributes );
                return true;
            }

            bool StrokedPolyPolyAction::render( const ::basegfx::B2DHomMatrix&	rTransformation,
                                                const Subset&					rSubset ) const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.

                // polygon only contains a single action, fail if subset
                // requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return false;

                return CachedPrimitiveBase::render( rTransformation );
            }

            ::basegfx::B2DRange StrokedPolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix&	rTransformation ) const
            {
                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
                
                return tools::calcDevicePixelBounds( 
                    maBounds,
                    mpCanvas->getViewState(),
                    aLocalState );
            }

            ::basegfx::B2DRange StrokedPolyPolyAction::getBounds( const ::basegfx::B2DHomMatrix&	rTransformation,
                                                                  const Subset&					rSubset ) const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.

                // polygon only contains a single action, empty bounds
                // if subset requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return ::basegfx::B2DRange();

                return getBounds( rTransformation );
            }

            sal_Int32 StrokedPolyPolyAction::getActionCount() const
            {
                // TODO(F1): Split up poly-polygon into polygons, or even
                // line segments, when subsets are requested.
                return 1;
            }
        }

        ActionSharedPtr PolyPolyActionFactory::createPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly,  
                                                                     const CanvasSharedPtr&           rCanvas, 
                                                                     const OutDevState&               rState	)
        {
            OSL_ENSURE( rState.isLineColorSet || rState.isFillColorSet,
                        "PolyPolyActionFactory::createPolyPolyAction() with empty line and fill color" );
            return ActionSharedPtr( new PolyPolyAction( rPoly, rCanvas, rState, 
                                                        rState.isFillColorSet, 
                                                        rState.isLineColorSet ) );
        }

        ActionSharedPtr PolyPolyActionFactory::createPolyPolyAction( const ::basegfx::B2DPolyPolygon&   rPoly,  
                                                                     const CanvasSharedPtr&             rCanvas, 
                                                                     const OutDevState&                 rState,
                                                                     const rendering::Texture&          rTexture )
        {
            return ActionSharedPtr( new TexturedPolyPolyAction( rPoly, rCanvas, rState, rTexture ) );
        }

        ActionSharedPtr PolyPolyActionFactory::createLinePolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly,  
                                                                         const CanvasSharedPtr&           rCanvas, 
                                                                         const OutDevState&               rState )
        {
            OSL_ENSURE( rState.isLineColorSet,
                        "PolyPolyActionFactory::createLinePolyPolyAction() called with empty line color" );

            return ActionSharedPtr( new PolyPolyAction( rPoly, rCanvas, rState, 
                                                        false, 
                                                        rState.isLineColorSet ) );
        }
        
        ActionSharedPtr PolyPolyActionFactory::createPolyPolyAction( const ::basegfx::B2DPolyPolygon&   rPoly,	  
                                                                     const CanvasSharedPtr&				rCanvas, 
                                                                     const OutDevState&					rState,
                                                                     const rendering::StrokeAttributes& rStrokeAttributes )
        {
            OSL_ENSURE( rState.isLineColorSet,
                        "PolyPolyActionFactory::createPolyPolyAction() for strokes called with empty line color" );
            return ActionSharedPtr( new StrokedPolyPolyAction( rPoly, rCanvas, rState, rStrokeAttributes ) );
        }

        ActionSharedPtr PolyPolyActionFactory::createPolyPolyAction( const ::basegfx::B2DPolyPolygon& rPoly,  
                                                                     const CanvasSharedPtr&           rCanvas, 
                                                                     const OutDevState&               rState,
                                                                     int                              nTransparency 	)
        {
            OSL_ENSURE( rState.isLineColorSet || rState.isFillColorSet,
                        "PolyPolyActionFactory::createPolyPolyAction() with empty line and fill color" );
            return ActionSharedPtr( new PolyPolyAction( rPoly, rCanvas, rState, 
                                                        rState.isFillColorSet, 
                                                        rState.isLineColorSet,
                                                        nTransparency ) );
        }

    }
}