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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * 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_canvas.hxx"

#include <canvas/debug.hxx>
#include <tools/diagnose_ex.h>

#include <rtl/logfile.hxx>
#include <rtl/math.hxx>

#include <com/sun/star/util/Endianness.hpp>
#include <com/sun/star/rendering/TexturingMode.hpp>
#include <com/sun/star/rendering/CompositeOperation.hpp>
#include <com/sun/star/rendering/RepaintResult.hpp>
#include <com/sun/star/rendering/PathCapType.hpp>
#include <com/sun/star/rendering/PathJoinType.hpp>

#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/tools/canvastools.hxx>

#include <comphelper/sequence.hxx>
#include <canvas/canvastools.hxx>

#include "null_spritecanvas.hxx"
#include "null_canvasfont.hxx"
#include "null_textlayout.hxx"
#include "null_canvashelper.hxx"

#include <algorithm>


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

namespace nullcanvas
{
    CanvasHelper::CanvasHelper() :
        mpDevice( NULL ),
        maSize(),
        mbHaveAlpha()
    {
    }

    void CanvasHelper::disposing()
    {
        mpDevice = NULL;
    }

    void CanvasHelper::init( const ::basegfx::B2ISize& rSize,
                             SpriteCanvas&             rDevice,
                             bool                      bHasAlpha )
    {
        mpDevice = &rDevice;
        maSize = rSize;
        mbHaveAlpha = bHasAlpha;
    }

    void CanvasHelper::clear()
    {
    }

    void CanvasHelper::drawPoint( const rendering::XCanvas* 	/*pCanvas*/, 
                                  const geometry::RealPoint2D& 	/*aPoint*/, 
                                  const rendering::ViewState& 	/*viewState*/, 
                                  const rendering::RenderState&	/*renderState*/ )
    {
    }

    void CanvasHelper::drawLine( const rendering::XCanvas* 	    /*pCanvas*/, 
                                 const geometry::RealPoint2D& 	/*aPoint1*/, 
                                 const geometry::RealPoint2D& 	/*aPoint2*/, 
                                 const rendering::ViewState& 	/*viewState*/, 
                                 const rendering::RenderState&	/*renderState*/ )
    {
    }

    void CanvasHelper::drawBezier( const rendering::XCanvas* 			/*pCanvas*/, 
                                   const geometry::RealBezierSegment2D&	/*aBezierSegment*/, 
                                   const geometry::RealPoint2D& 		/*aEndPoint*/,
                                   const rendering::ViewState& 			/*viewState*/, 
                                   const rendering::RenderState& 		/*renderState*/ )
    {
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawPolyPolygon( const rendering::XCanvas* 							/*pCanvas*/, 
                                                                                 const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/, 
                                                                                 const rendering::ViewState& 						/*viewState*/, 
                                                                                 const rendering::RenderState& 						/*renderState*/ )
    {
        // TODO(P1): Provide caching here.
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokePolyPolygon( const rendering::XCanvas* 							/*pCanvas*/, 
                                                                                   const uno::Reference< rendering::XPolyPolygon2D >& 	/*xPolyPolygon*/, 
                                                                                   const rendering::ViewState& 							/*viewState*/, 
                                                                                   const rendering::RenderState& 						/*renderState*/, 
                                                                                   const rendering::StrokeAttributes& 					/*strokeAttributes*/ )
    {
        // TODO(P1): Provide caching here.
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokeTexturedPolyPolygon( const rendering::XCanvas* 							/*pCanvas*/, 
                                                                                           const uno::Reference< rendering::XPolyPolygon2D >& 	/*xPolyPolygon*/, 
                                                                                           const rendering::ViewState& 							/*viewState*/, 
                                                                                           const rendering::RenderState& 						/*renderState*/, 
                                                                                           const uno::Sequence< rendering::Texture >& 			/*textures*/, 
                                                                                           const rendering::StrokeAttributes& 					/*strokeAttributes*/ )
    {
        // TODO
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::strokeTextureMappedPolyPolygon( const rendering::XCanvas* 							/*pCanvas*/, 
                                                                                                const uno::Reference< rendering::XPolyPolygon2D >&	/*xPolyPolygon*/, 
                                                                                                const rendering::ViewState& 						/*viewState*/, 
                                                                                                const rendering::RenderState& 						/*renderState*/, 
                                                                                                const uno::Sequence< rendering::Texture >& 			/*textures*/, 
                                                                                                const uno::Reference< geometry::XMapping2D >& 		/*xMapping*/, 
                                                                                                const rendering::StrokeAttributes& 					/*strokeAttributes*/ )
    {
        // TODO
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XPolyPolygon2D >   CanvasHelper::queryStrokeShapes( const rendering::XCanvas* 							/*pCanvas*/, 
                                                                                   const uno::Reference< rendering::XPolyPolygon2D >& 	/*xPolyPolygon*/, 
                                                                                   const rendering::ViewState& 							/*viewState*/, 
                                                                                   const rendering::RenderState& 						/*renderState*/, 
                                                                                   const rendering::StrokeAttributes& 					/*strokeAttributes*/ )
    {
        // TODO
        return uno::Reference< rendering::XPolyPolygon2D >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillPolyPolygon( const rendering::XCanvas* 							/*pCanvas*/, 
                                                                                 const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/, 
                                                                                 const rendering::ViewState& 						/*viewState*/, 
                                                                                 const rendering::RenderState& 						/*renderState*/ )
    {
        // TODO(P1): Provide caching here.
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTexturedPolyPolygon( const rendering::XCanvas* 							/*pCanvas*/, 
                                                                                         const uno::Reference< rendering::XPolyPolygon2D >& /*xPolyPolygon*/,
                                                                                         const rendering::ViewState& 						/*viewState*/,
                                                                                         const rendering::RenderState& 						/*renderState*/,
                                                                                         const uno::Sequence< rendering::Texture >& 		/*textures*/ )
    {
        // TODO(P1): Provide caching here.
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::fillTextureMappedPolyPolygon( const rendering::XCanvas* 							/*pCanvas*/, 
                                                                                              const uno::Reference< rendering::XPolyPolygon2D >& 	/*xPolyPolygon*/, 
                                                                                              const rendering::ViewState& 							/*viewState*/, 
                                                                                              const rendering::RenderState& 						/*renderState*/, 
                                                                                              const uno::Sequence< rendering::Texture >& 			/*textures*/, 
                                                                                              const uno::Reference< geometry::XMapping2D >& 		/*xMapping*/ )
    {
        // TODO
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCanvasFont > CanvasHelper::createFont( const rendering::XCanvas* 					/*pCanvas*/, 
                                                                       const rendering::FontRequest& 				fontRequest, 
                                                                       const uno::Sequence< beans::PropertyValue >& extraFontProperties, 
                                                                       const geometry::Matrix2D& 					fontMatrix )
    {
        return uno::Reference< rendering::XCanvasFont >( 
            new CanvasFont(fontRequest, extraFontProperties, fontMatrix ) );
    }

    uno::Sequence< rendering::FontInfo > CanvasHelper::queryAvailableFonts( const rendering::XCanvas* 						/*pCanvas*/, 
                                                                            const rendering::FontInfo& 						/*aFilter*/, 
                                                                            const uno::Sequence< beans::PropertyValue >& 	/*aFontProperties*/ )
    {
        // TODO
        return uno::Sequence< rendering::FontInfo >();
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawText( const rendering::XCanvas* 						/*pCanvas*/, 
                                                                          const rendering::StringContext& 					/*text*/, 
                                                                          const uno::Reference< rendering::XCanvasFont >& 	/*xFont*/, 
                                                                          const rendering::ViewState& 						/*viewState*/, 
                                                                          const rendering::RenderState& 					/*renderState*/, 
                                                                          sal_Int8				 							/*textDirection*/ )
    {
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawTextLayout( const rendering::XCanvas* 						/*pCanvas*/, 
                                                                                const uno::Reference< rendering::XTextLayout >& xLayoutetText, 
                                                                                const rendering::ViewState& 					viewState, 
                                                                                const rendering::RenderState& 					renderState )
    {
        ENSURE_OR_THROW( xLayoutetText.is(), 
                          "CanvasHelper::drawTextLayout: layout is NULL");

        TextLayout* pTextLayout = 
            dynamic_cast< TextLayout* >( xLayoutetText.get() );
        
        ENSURE_OR_THROW( pTextLayout,
                          "CanvasHelper::drawTextLayout(): TextLayout not compatible with this canvas" );

        pTextLayout->draw( viewState, 
                           renderState, 
                           mpDevice );

        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawBitmap( const rendering::XCanvas* 					/*pCanvas*/, 
                                                                            const uno::Reference< rendering::XBitmap >& /*xBitmap*/, 
                                                                            const rendering::ViewState& 				/*viewState*/, 
                                                                            const rendering::RenderState& 				/*renderState*/ )
    {
        // TODO(P1): Provide caching here.
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XCachedPrimitive > CanvasHelper::drawBitmapModulated( const rendering::XCanvas* 						/*pCanvas*/, 
                                                                                     const uno::Reference< rendering::XBitmap >& 	/*xBitmap*/, 
                                                                                     const rendering::ViewState& 					/*viewState*/, 
                                                                                     const rendering::RenderState& 					/*renderState*/ )
    {
        // TODO(P1): Provide caching here.
        return uno::Reference< rendering::XCachedPrimitive >(NULL);
    }

    uno::Reference< rendering::XGraphicDevice > CanvasHelper::getDevice()
    {
        return uno::Reference< rendering::XGraphicDevice >(mpDevice);
    }

    void CanvasHelper::copyRect( const rendering::XCanvas* 							/*pCanvas*/, 
                                 const uno::Reference< rendering::XBitmapCanvas >&	/*sourceCanvas*/, 
                                 const geometry::RealRectangle2D& 					/*sourceRect*/, 
                                 const rendering::ViewState& 						/*sourceViewState*/, 
                                 const rendering::RenderState& 						/*sourceRenderState*/, 
                                 const geometry::RealRectangle2D& 					/*destRect*/, 
                                 const rendering::ViewState& 						/*destViewState*/, 
                                 const rendering::RenderState& 						/*destRenderState*/ )
    {
        // TODO(F2): copyRect NYI
    }

    geometry::IntegerSize2D CanvasHelper::getSize()
    {
        if( !mpDevice )
            geometry::IntegerSize2D(1, 1); // we're disposed

        return ::basegfx::unotools::integerSize2DFromB2ISize( maSize );
    }

    uno::Reference< rendering::XBitmap > CanvasHelper::getScaledBitmap( const geometry::RealSize2D&	/*newSize*/, 
                                                                        sal_Bool 					/*beFast*/ )
    {
        // TODO(F1):
        return uno::Reference< rendering::XBitmap >();
    }

    uno::Sequence< sal_Int8 > CanvasHelper::getData( rendering::IntegerBitmapLayout&     /*bitmapLayout*/, 
                                                     const geometry::IntegerRectangle2D& /*rect*/ )
    {
        // TODO
        return uno::Sequence< sal_Int8 >();
    }

    void CanvasHelper::setData( const uno::Sequence< sal_Int8 >& 		/*data*/, 
                                const rendering::IntegerBitmapLayout&   /*bitmapLayout*/, 
                                const geometry::IntegerRectangle2D& 	/*rect*/ )
    {
    }

    void CanvasHelper::setPixel( const uno::Sequence< sal_Int8 >&       /*color*/, 
                                 const rendering::IntegerBitmapLayout&  /*bitmapLayout*/, 
                                 const geometry::IntegerPoint2D&        /*pos*/ )
    {
    }

    uno::Sequence< sal_Int8 > CanvasHelper::getPixel( rendering::IntegerBitmapLayout&   /*bitmapLayout*/, 
                                                      const geometry::IntegerPoint2D&   /*pos*/ )
    {
        return uno::Sequence< sal_Int8 >();
    }

    uno::Reference< rendering::XBitmapPalette > CanvasHelper::getPalette()
    {
        // TODO(F1): Palette bitmaps NYI
        return uno::Reference< rendering::XBitmapPalette >();
    }

    rendering::IntegerBitmapLayout CanvasHelper::getMemoryLayout()
    {
        return ::canvas::tools::getStdMemoryLayout(getSize());
    }

    void CanvasHelper::flush() const
    {
    }

    bool CanvasHelper::hasAlpha() const
    {
        return mbHaveAlpha;
    }

}