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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
 * under the License.
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 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
#include <basegfx/polygon/b3dpolygon.hxx>
#include <drawinglayer/attribute/strokeattribute.hxx>
#include <drawinglayer/primitive3d/baseprimitive3d.hxx>
#include <drawinglayer/primitive3d/polygonprimitive3d.hxx>
#include <basegfx/polygon/b3dpolypolygon.hxx>
#include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx>
#include <vcl/vclenum.hxx>
#include <drawinglayer/attribute/fillbitmapattribute.hxx>
#include <drawinglayer/attribute/sdrfillbitmapattribute.hxx>
#include <vcl/bmpacc.hxx>
#include <basegfx/polygon/b3dpolypolygontools.hxx>
#include <drawinglayer/primitive3d/textureprimitive3d.hxx>
#include <drawinglayer/primitive3d/modifiedcolorprimitive3d.hxx>
#include <drawinglayer/primitive3d/hatchtextureprimitive3d.hxx>
#include <drawinglayer/primitive3d/shadowprimitive3d.hxx>
#include <basegfx/range/b2drange.hxx>
#include <drawinglayer/attribute/sdrlineattribute.hxx>
#include <drawinglayer/attribute/sdrobjectattribute3d.hxx>
#include <drawinglayer/attribute/sdrfillattribute.hxx>
#include <drawinglayer/attribute/sdrshadowattribute.hxx>
#include <drawinglayer/primitive3d/hiddengeometryprimitive3d.hxx>

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

namespace drawinglayer
{
	namespace primitive3d
	{
		basegfx::B3DRange getRangeFrom3DGeometry(::std::vector< basegfx::B3DPolyPolygon >& rFill)
		{
			basegfx::B3DRange aRetval;

			for(sal_uInt32 a(0); a < rFill.size(); a++)
			{
				aRetval.expand(basegfx::tools::getRange(rFill[a]));
			}

			return aRetval;
		}

		void applyNormalsKindSphereTo3DGeometry(::std::vector< basegfx::B3DPolyPolygon >& rFill, const basegfx::B3DRange& rRange)
		{
			// create sphere normals
			const basegfx::B3DPoint aCenter(rRange.getCenter());

			for(sal_uInt32 a(0); a < rFill.size(); a++)
			{
				rFill[a] = basegfx::tools::applyDefaultNormalsSphere(rFill[a], aCenter);
			}
		}

		void applyNormalsKindFlatTo3DGeometry(::std::vector< basegfx::B3DPolyPolygon >& rFill)
		{
			for(sal_uInt32 a(0); a < rFill.size(); a++)
			{
				rFill[a].clearNormals();
			}
		}

		void applyNormalsInvertTo3DGeometry(::std::vector< basegfx::B3DPolyPolygon >& rFill)
		{
			// invert normals
			for(sal_uInt32 a(0); a < rFill.size(); a++)
			{
				rFill[a] = basegfx::tools::invertNormals(rFill[a]);
			}
		}

		void applyTextureTo3DGeometry(
			::com::sun::star::drawing::TextureProjectionMode eModeX,
			::com::sun::star::drawing::TextureProjectionMode eModeY,
			::std::vector< basegfx::B3DPolyPolygon >& rFill,
			const basegfx::B3DRange& rRange,
			const basegfx::B2DVector& rTextureSize)
		{
			sal_uInt32 a;

			// handle texture coordinates X
			const bool bParallelX(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == eModeX);
			const bool bSphereX(!bParallelX && (::com::sun::star::drawing::TextureProjectionMode_SPHERE == eModeX));

			// handle texture coordinates Y
			const bool bParallelY(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == eModeY);
			const bool bSphereY(!bParallelY && (::com::sun::star::drawing::TextureProjectionMode_SPHERE == eModeY));

			if(bParallelX || bParallelY)
			{
				// apply parallel texture coordinates in X and/or Y
				for(a = 0; a < rFill.size(); a++)
				{
					rFill[a] = basegfx::tools::applyDefaultTextureCoordinatesParallel(rFill[a], rRange, bParallelX, bParallelY);
				}
			}

			if(bSphereX || bSphereY)
			{
				// apply spherical texture coordinates in X and/or Y
				const basegfx::B3DPoint aCenter(rRange.getCenter());

				for(a = 0; a < rFill.size(); a++)
				{
					rFill[a] = basegfx::tools::applyDefaultTextureCoordinatesSphere(rFill[a], aCenter, bSphereX, bSphereY);
				}
			}

			// transform texture coordinates to texture size
			basegfx::B2DHomMatrix aTexMatrix;
			aTexMatrix.scale(rTextureSize.getX(), rTextureSize.getY());

			for(a = 0; a < rFill.size(); a++)
			{
				rFill[a].transformTextureCoordiantes(aTexMatrix);
			}
		}

		Primitive3DSequence create3DPolyPolygonLinePrimitives(
			const basegfx::B3DPolyPolygon& rUnitPolyPolygon, 
			const basegfx::B3DHomMatrix& rObjectTransform,
			const attribute::SdrLineAttribute& rLine)
		{
			// prepare fully scaled polyPolygon
			basegfx::B3DPolyPolygon aScaledPolyPolygon(rUnitPolyPolygon);
			aScaledPolyPolygon.transform(rObjectTransform);

			// create line and stroke attribute
			const attribute::LineAttribute aLineAttribute(rLine.getColor(), rLine.getWidth(), rLine.getJoin(), rLine.getCap());
			const attribute::StrokeAttribute aStrokeAttribute(rLine.getDotDashArray(), rLine.getFullDotDashLen());

			// create primitives
			Primitive3DSequence aRetval(aScaledPolyPolygon.count());

			for(sal_uInt32 a(0L); a < aScaledPolyPolygon.count(); a++)
			{
				const Primitive3DReference xRef(new PolygonStrokePrimitive3D(aScaledPolyPolygon.getB3DPolygon(a), aLineAttribute, aStrokeAttribute));
				aRetval[a] = xRef;
			}

			if(0.0 != rLine.getTransparence())
			{
				// create UnifiedTransparenceTexturePrimitive3D, add created primitives and exchange
				const Primitive3DReference xRef(new UnifiedTransparenceTexturePrimitive3D(rLine.getTransparence(), aRetval));
				aRetval = Primitive3DSequence(&xRef, 1L);
			}

			return aRetval;
		}

		Primitive3DSequence create3DPolyPolygonFillPrimitives(
			const ::std::vector< basegfx::B3DPolyPolygon >& r3DPolyPolygonVector,
			const basegfx::B3DHomMatrix& rObjectTransform,
			const basegfx::B2DVector& rTextureSize,
			const attribute::Sdr3DObjectAttribute& aSdr3DObjectAttribute,
			const attribute::SdrFillAttribute& rFill,
			const attribute::FillGradientAttribute& rFillGradient)
		{
			Primitive3DSequence aRetval;

			if(r3DPolyPolygonVector.size())
			{
				// create list of simple fill primitives
				aRetval.realloc(r3DPolyPolygonVector.size());

				for(sal_uInt32 a(0L); a < r3DPolyPolygonVector.size(); a++)
				{
					// get scaled PolyPolygon
					basegfx::B3DPolyPolygon aScaledPolyPolygon(r3DPolyPolygonVector[a]);
					aScaledPolyPolygon.transform(rObjectTransform);

					if(aScaledPolyPolygon.areNormalsUsed())
					{
						aScaledPolyPolygon.transformNormals(rObjectTransform);
					}

					const Primitive3DReference xRef(new PolyPolygonMaterialPrimitive3D(
						aScaledPolyPolygon, 
						aSdr3DObjectAttribute.getMaterial(), 
						aSdr3DObjectAttribute.getDoubleSided()));
					aRetval[a] = xRef;
				}

				// look for and evtl. build texture sub-group primitive
				if(!rFill.getGradient().isDefault() 
					|| !rFill.getHatch().isDefault() 
					|| !rFill.getBitmap().isDefault())
				{
					bool bModulate(::com::sun::star::drawing::TextureMode_MODULATE == aSdr3DObjectAttribute.getTextureMode());
					bool bFilter(aSdr3DObjectAttribute.getTextureFilter());
					BasePrimitive3D* pNewTexturePrimitive3D = 0;

					if(!rFill.getGradient().isDefault())
					{
						// create gradientTexture3D with sublist, add to local aRetval
						pNewTexturePrimitive3D = new GradientTexturePrimitive3D(
                            rFill.getGradient(), 
                            aRetval, 
                            rTextureSize, 
                            bModulate, 
                            bFilter);
					}
					else if(!rFill.getHatch().isDefault())
					{
						// create hatchTexture3D with sublist, add to local aRetval
						pNewTexturePrimitive3D = new HatchTexturePrimitive3D(
                            rFill.getHatch(), 
                            aRetval, 
                            rTextureSize, 
                            bModulate, 
                            bFilter);
					}
					else // if(!rFill.getBitmap().isDefault())
					{
						// create bitmapTexture3D with sublist, add to local aRetval
						basegfx::B2DRange aTexRange(0.0, 0.0, rTextureSize.getX(), rTextureSize.getY());
						
                        pNewTexturePrimitive3D = new BitmapTexturePrimitive3D(
                            rFill.getBitmap().getFillBitmapAttribute(aTexRange), 
                            aRetval, 
                            rTextureSize, 
                            bModulate, 
                            bFilter);
					}

					// exchange aRetval content with texture group
					const Primitive3DReference xRef(pNewTexturePrimitive3D);
					aRetval = Primitive3DSequence(&xRef, 1L);
					
					if(::com::sun::star::drawing::TextureKind2_LUMINANCE == aSdr3DObjectAttribute.getTextureKind())
					{
						// use modified color primitive to force textures to gray
						const basegfx::BColorModifier aBColorModifier(basegfx::BColor(), 0.0, basegfx::BCOLORMODIFYMODE_GRAY);
						const Primitive3DReference xRef2(new ModifiedColorPrimitive3D(aRetval, aBColorModifier));
						aRetval = Primitive3DSequence(&xRef2, 1L);
					}
				}

				if(0.0 != rFill.getTransparence())
				{
					// create UnifiedTransparenceTexturePrimitive3D with sublist and exchange
					const Primitive3DReference xRef(new UnifiedTransparenceTexturePrimitive3D(rFill.getTransparence(), aRetval));
					aRetval = Primitive3DSequence(&xRef, 1L);
				}
				else if(!rFillGradient.isDefault())
				{
					// create TransparenceTexturePrimitive3D with sublist and exchange
					const Primitive3DReference xRef(new TransparenceTexturePrimitive3D(rFillGradient, aRetval, rTextureSize));
					aRetval = Primitive3DSequence(&xRef, 1L);
				}
			}

			return aRetval;
		}

		Primitive3DSequence createShadowPrimitive3D(
			const Primitive3DSequence& rSource,
			const attribute::SdrShadowAttribute& rShadow,
			bool bShadow3D)
		{
			// create Shadow primitives. Uses already created primitives
			if(rSource.hasElements() && !basegfx::fTools::moreOrEqual(rShadow.getTransparence(), 1.0))
			{
				// prepare new list for shadow geometry
				basegfx::B2DHomMatrix aShadowOffset;
				aShadowOffset.set(0, 2, rShadow.getOffset().getX());
				aShadowOffset.set(1, 2, rShadow.getOffset().getY());

				// create shadow primitive and add primitives
				const Primitive3DReference xRef(new ShadowPrimitive3D(aShadowOffset, rShadow.getColor(), rShadow.getTransparence(), bShadow3D, rSource));
				return Primitive3DSequence(&xRef, 1L);
			}
			else
			{
				return Primitive3DSequence();
			}
		}

        Primitive3DSequence createHiddenGeometryPrimitives3D(
			const ::std::vector< basegfx::B3DPolyPolygon >& r3DPolyPolygonVector,
			const basegfx::B3DHomMatrix& rObjectTransform,
			const basegfx::B2DVector& rTextureSize,
			const attribute::Sdr3DObjectAttribute& aSdr3DObjectAttribute)
        {
            // create hidden sub-geometry which can be used for HitTest
            // and BoundRect calculations, but will not be visualized
            const attribute::SdrFillAttribute aSimplifiedFillAttribute(
                0.0,
                basegfx::BColor(),
                attribute::FillGradientAttribute(),
                attribute::FillHatchAttribute(), 
                attribute::SdrFillBitmapAttribute());
			
            const Primitive3DReference aHidden(
                new HiddenGeometryPrimitive3D(
                    create3DPolyPolygonFillPrimitives(
		                r3DPolyPolygonVector, 
		                rObjectTransform, 
		                rTextureSize, 
		                aSdr3DObjectAttribute, 
		                aSimplifiedFillAttribute, 
		                attribute::FillGradientAttribute())));

            return Primitive3DSequence(&aHidden, 1);
        }

	} // end of namespace primitive3d
} // end of namespace drawinglayer

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