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 * 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
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * 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
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#include "precompiled_svx.hxx"
#include <svx/sdr/primitive2d/sdrellipseprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <svx/sdr/primitive2d/sdrdecompositiontools.hxx>
#include <drawinglayer/primitive2d/groupprimitive2d.hxx>
#include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
#include <basegfx/color/bcolor.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>

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

using namespace com::sun::star;

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

namespace drawinglayer
{
	namespace primitive2d
	{
		Primitive2DSequence SdrEllipsePrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*aViewInformation*/) const
		{
			Primitive2DSequence aRetval;

			// create unit outline polygon
			// Do use createPolygonFromUnitCircle, but let create from first quadrant to mimic old geometry creation.
			// This is needed to have the same look when stroke is used since the polygon start point defines the
			// stroke start, too.
			basegfx::B2DPolygon aUnitOutline(basegfx::tools::createPolygonFromUnitCircle(1));

			// scale and move UnitEllipse to UnitObject (-1,-1 1,1) -> (0,0 1,1)
			const basegfx::B2DHomMatrix aUnitCorrectionMatrix(
                basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));

			// apply to the geometry
			aUnitOutline.transform(aUnitCorrectionMatrix);

			// add fill
			if(!getSdrLFSTAttribute().getFill().isDefault())
			{
				appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, 
                    createPolyPolygonFillPrimitive(
                        basegfx::B2DPolyPolygon(aUnitOutline), 
                        getTransform(), 
                        getSdrLFSTAttribute().getFill(), 
                        getSdrLFSTAttribute().getFillFloatTransGradient()));
			}

			// add line
			if(getSdrLFSTAttribute().getLine().isDefault())
			{
				// create invisible line for HitTest/BoundRect
				appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, 
					createHiddenGeometryPrimitives2D(
                        false,
						basegfx::B2DPolyPolygon(aUnitOutline), 
                        getTransform()));
			}
			else
			{
				appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, 
                    createPolygonLinePrimitive(
                        aUnitOutline, 
                        getTransform(), 
                        getSdrLFSTAttribute().getLine(),
						attribute::SdrLineStartEndAttribute()));
			}

			// add text
			if(!getSdrLFSTAttribute().getText().isDefault())
			{
				appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, 
                    createTextPrimitive(
                        basegfx::B2DPolyPolygon(aUnitOutline), 
                        getTransform(), 
                        getSdrLFSTAttribute().getText(), 
                        getSdrLFSTAttribute().getLine(), 
                        false, 
                        false, 
                        false));
			}

			// add shadow
			if(!getSdrLFSTAttribute().getShadow().isDefault())
			{
                aRetval = createEmbeddedShadowPrimitive(
                    aRetval, 
                    getSdrLFSTAttribute().getShadow());
			}

			return aRetval;
		}

		SdrEllipsePrimitive2D::SdrEllipsePrimitive2D(
			const basegfx::B2DHomMatrix& rTransform, 
			const attribute::SdrLineFillShadowTextAttribute& rSdrLFSTAttribute)
		:	BufferedDecompositionPrimitive2D(),
			maTransform(rTransform),
			maSdrLFSTAttribute(rSdrLFSTAttribute)
		{
		}

		bool SdrEllipsePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
		{
			if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
			{
				const SdrEllipsePrimitive2D& rCompare = (SdrEllipsePrimitive2D&)rPrimitive;
				
				return (getTransform() == rCompare.getTransform()
					&& getSdrLFSTAttribute() == rCompare.getSdrLFSTAttribute());
			}

			return false;
		}

		// provide unique ID
		ImplPrimitrive2DIDBlock(SdrEllipsePrimitive2D, PRIMITIVE2D_ID_SDRELLIPSEPRIMITIVE2D)

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

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

namespace drawinglayer
{
	namespace primitive2d
	{
		Primitive2DSequence SdrEllipseSegmentPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*aViewInformation*/) const
		{
			Primitive2DSequence aRetval;

			// create unit outline polygon
			basegfx::B2DPolygon aUnitOutline(basegfx::tools::createPolygonFromUnitEllipseSegment(mfStartAngle, mfEndAngle));

			if(mbCloseSegment)
			{
				if(mbCloseUsingCenter)
				{
					// for compatibility, insert the center point at polygon start to get the same
					// line stroking pattern as the old painting mechanisms.
					aUnitOutline.insert(0L, basegfx::B2DPoint(0.0, 0.0));
				}

				aUnitOutline.setClosed(true);
			}

			// move and scale UnitEllipse to UnitObject (-1,-1 1,1) -> (0,0 1,1)
			const basegfx::B2DHomMatrix aUnitCorrectionMatrix(
                basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));

			// apply to the geometry
			aUnitOutline.transform(aUnitCorrectionMatrix);

			// add fill
			if(!getSdrLFSTAttribute().getFill().isDefault() && aUnitOutline.isClosed())
			{
				appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, 
                    createPolyPolygonFillPrimitive(
                        basegfx::B2DPolyPolygon(aUnitOutline), 
                        getTransform(), 
                        getSdrLFSTAttribute().getFill(), 
                        getSdrLFSTAttribute().getFillFloatTransGradient()));
			}

			// add line
			if(getSdrLFSTAttribute().getLine().isDefault())
			{
				// create invisible line for HitTest/BoundRect
				appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, 
					createHiddenGeometryPrimitives2D(
                        false,
						basegfx::B2DPolyPolygon(aUnitOutline), 
                        getTransform()));
			}
			else
			{
				appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, 
                    createPolygonLinePrimitive(
                        aUnitOutline, 
                        getTransform(), 
                        getSdrLFSTAttribute().getLine(), 
                        getSdrLFSTAttribute().getLineStartEnd()));
			}

			// add text
			if(!getSdrLFSTAttribute().getText().isDefault())
			{
				appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, 
                    createTextPrimitive(
                        basegfx::B2DPolyPolygon(aUnitOutline), 
                        getTransform(), 
						getSdrLFSTAttribute().getText(), 
                        getSdrLFSTAttribute().getLine(), 
                        false, 
                        false, 
                        false));
			}

			// add shadow
			if(!getSdrLFSTAttribute().getShadow().isDefault())
			{
                aRetval = createEmbeddedShadowPrimitive(
                    aRetval, 
                    getSdrLFSTAttribute().getShadow());
			}

			return aRetval;
		}

		SdrEllipseSegmentPrimitive2D::SdrEllipseSegmentPrimitive2D(
			const basegfx::B2DHomMatrix& rTransform, 
			const attribute::SdrLineFillShadowTextAttribute& rSdrLFSTAttribute, 
			double fStartAngle, 
			double fEndAngle, 
			bool bCloseSegment, 
			bool bCloseUsingCenter)
		:	SdrEllipsePrimitive2D(rTransform, rSdrLFSTAttribute),
			mfStartAngle(fStartAngle),
			mfEndAngle(fEndAngle),
			mbCloseSegment(bCloseSegment), 
			mbCloseUsingCenter(bCloseUsingCenter)
		{
		}

		bool SdrEllipseSegmentPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
		{
			if(SdrEllipsePrimitive2D::operator==(rPrimitive))
			{
				const SdrEllipseSegmentPrimitive2D& rCompare = (SdrEllipseSegmentPrimitive2D&)rPrimitive;

				if(	mfStartAngle == rCompare.mfStartAngle
					&& mfEndAngle == rCompare.mfEndAngle
					&& mbCloseSegment == rCompare.mbCloseSegment 
					&& mbCloseUsingCenter == rCompare.mbCloseUsingCenter)
				{
					return true;
				}
			}

			return false;
		}

		// provide unique ID
		ImplPrimitrive2DIDBlock(SdrEllipseSegmentPrimitive2D, PRIMITIVE2D_ID_SDRELLIPSESEGMENTPRIMITIVE2D)

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

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