/**************************************************************
 * 
 * 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_basegfx.hxx"
#include <basegfx/point/b3ipoint.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/numeric/ftools.hxx>

namespace basegfx
{
	B3IPoint& B3IPoint::operator*=( const ::basegfx::B3DHomMatrix& rMat )
	{
		double fTempX(
			rMat.get(0, 0) * mnX +
			rMat.get(0, 1) * mnY +
			rMat.get(0, 2) * mnZ +
			rMat.get(0, 3));
		double fTempY(
			rMat.get(1, 0) * mnX +
			rMat.get(1, 1) * mnY +
			rMat.get(1, 2) * mnZ +
			rMat.get(1, 3));
		double fTempZ(
			rMat.get(2, 0) * mnX +
			rMat.get(2, 1) * mnY +
			rMat.get(2, 2) * mnZ +
			rMat.get(2, 3));

		if(!rMat.isLastLineDefault())
		{
			const double fOne(1.0);
			const double fTempM(
				rMat.get(3, 0) * mnX + 
				rMat.get(3, 1) * mnY + 
				rMat.get(3, 2) * mnZ + 
				rMat.get(3, 3));

			if(!fTools::equalZero(fTempM) && !fTools::equal(fOne, fTempM))
			{
				fTempX /= fTempM;
				fTempY /= fTempM;
				fTempZ /= fTempM;
			}
		}

		mnX = fround(fTempX);
		mnY = fround(fTempY);
		mnZ = fround(fTempZ);

		return *this;
	}
} // end of namespace basegfx

// eof