/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

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

#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>

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

using namespace com::sun::star;

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

namespace drawinglayer
{
	namespace primitive2d
	{
		Primitive2DSequence MarkerArrayPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
        {
            Primitive2DSequence xRetval;
			const std::vector< basegfx::B2DPoint >& rPositions = getPositions();
            const sal_uInt32 nMarkerCount(rPositions.size());

            if(nMarkerCount && !getMarker().IsEmpty())
            {
				// get pixel size
				Size aBitmapSize(getMarker().GetSizePixel());
				
				if(aBitmapSize.Width() && aBitmapSize.Height())
				{
					// get logic half pixel size
					basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() * 
						basegfx::B2DVector(aBitmapSize.getWidth() - 1.0, aBitmapSize.getHeight() - 1.0));
					
					// use half size for expand
					aLogicHalfSize *= 0.5;

					// number of primitives is known; realloc accordingly
                    xRetval.realloc(nMarkerCount);

                    for(sal_uInt32 a(0); a < nMarkerCount; a++)
		            {
			            const basegfx::B2DPoint& rPosition(rPositions[a]);
						const basegfx::B2DRange aRange(rPosition - aLogicHalfSize, rPosition + aLogicHalfSize);
						basegfx::B2DHomMatrix aTransform;

						aTransform.set(0, 0, aRange.getWidth());
						aTransform.set(1, 1, aRange.getHeight());
						aTransform.set(0, 2, aRange.getMinX());
						aTransform.set(1, 2, aRange.getMinY());

                        xRetval[a] = Primitive2DReference(new BitmapPrimitive2D(getMarker(), aTransform));
					}
				}
			}

            return xRetval;
        }

		MarkerArrayPrimitive2D::MarkerArrayPrimitive2D(
			const std::vector< basegfx::B2DPoint >& rPositions,
			const BitmapEx& rMarker)
		:	BufferedDecompositionPrimitive2D(),
			maPositions(rPositions),
			maMarker(rMarker)
		{
		}

		bool MarkerArrayPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
		{
			if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
			{
				const MarkerArrayPrimitive2D& rCompare = (MarkerArrayPrimitive2D&)rPrimitive;

				return (getPositions() == rCompare.getPositions()
					&& getMarker() == rCompare.getMarker());
			}

			return false;
		}

		basegfx::B2DRange MarkerArrayPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
		{
			basegfx::B2DRange aRetval;

            if(getPositions().size())
            {
			    // get the basic range from the position vector
			    for(std::vector< basegfx::B2DPoint >::const_iterator aIter(getPositions().begin()); aIter != getPositions().end(); aIter++)
			    {
				    aRetval.expand(*aIter);
			    }

				if(!getMarker().IsEmpty())
				{
					// get pixel size
					const Size aBitmapSize(getMarker().GetSizePixel());

					if(aBitmapSize.Width() && aBitmapSize.Height())
					{
						// get logic half size
    					basegfx::B2DVector aLogicHalfSize(rViewInformation.getInverseObjectToViewTransformation() * 
							basegfx::B2DVector(aBitmapSize.getWidth(), aBitmapSize.getHeight()));
						
						// use half size for expand
						aLogicHalfSize *= 0.5;

						// apply aLogicHalfSize
						aRetval.expand(aRetval.getMinimum() - aLogicHalfSize);
						aRetval.expand(aRetval.getMaximum() + aLogicHalfSize);
					}
				}
            }

			return aRetval;
		}

		// provide unique ID
		ImplPrimitrive2DIDBlock(MarkerArrayPrimitive2D, PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D)

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

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