/**************************************************************
 *
 * 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.
 *
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"
#include <tools/debug.hxx>
#include <tools/gen.hxx>
#include <tools/stream.hxx>

// =======================================================================

SvStream& operator>>( SvStream& rIStream, Pair& rPair )
{
	DBG_ASSERTWARNING( rIStream.GetVersion(), "Pair::>> - Solar-Version not set on rIStream" );

	if ( rIStream.GetCompressMode() == COMPRESSMODE_FULL )
	{
		unsigned char	cId;
		unsigned char	cAry[8];
		int 			i;
		int 			i1;
		int 			i2;
		sal_uInt32			nNum;

		rIStream >> cId;
		i1 = (cId & 0x70) >> 4;
		i2 = cId & 0x07;
		rIStream.Read( cAry, i1+i2 );

		nNum = 0;
		i = i1;
		while ( i )
		{
			i--;
			nNum <<= 8;
			nNum |= cAry[i];
		}
		if ( cId & 0x80 )
			nNum ^= 0xFFFFFFFF;
		rPair.nA = (sal_Int32)nNum;

		nNum = 0;
		i = i1+i2;
		while ( i > i1 )
		{
			i--;
			nNum <<= 8;
			nNum |= cAry[i];
		}
		if ( cId & 0x08 )
			nNum ^= 0xFFFFFFFF;
		rPair.nB = (sal_Int32)nNum;
	}
	else
	{
		rIStream >> rPair.nA >> rPair.nB;
	}

	return rIStream;
}

// -----------------------------------------------------------------------

SvStream& operator<<( SvStream& rOStream, const Pair& rPair )
{
	DBG_ASSERTWARNING( rOStream.GetVersion(), "Pair::<< - Solar-Version not set on rOStream" );

	if ( rOStream.GetCompressMode() == COMPRESSMODE_FULL )
	{
		unsigned char	cAry[9];
		int 			i = 1;
		sal_uInt32			nNum;

		cAry[0] = 0;

		nNum = (sal_uInt32)(sal_Int32)rPair.nA;
		if ( rPair.nA < 0 )
		{
			cAry[0] |= 0x80;
			nNum ^= 0xFFFFFFFF;
		}
		if ( nNum )
		{
			cAry[i] = (unsigned char)(nNum & 0xFF);
			nNum >>= 8;
			i++;

			if ( nNum )
			{
				cAry[i] = (unsigned char)(nNum & 0xFF);
				nNum >>= 8;
				i++;

				if ( nNum )
				{
					cAry[i] = (unsigned char)(nNum & 0xFF);
					nNum >>= 8;
					i++;

					if ( nNum )
					{
						cAry[i] = (unsigned char)(nNum & 0xFF);
						nNum >>= 8;
						i++;
						cAry[0] |= 0x40;
					}
					else
						cAry[0] |= 0x30;
				}
				else
					cAry[0] |= 0x20;
			}
			else
				cAry[0] |= 0x10;
		}

		nNum = (sal_uInt32)(sal_Int32)rPair.nB;
		if ( rPair.nB < 0 )
		{
			cAry[0] |= 0x08;
			nNum ^= 0xFFFFFFFF;
		}
		if ( nNum )
		{
			cAry[i] = (unsigned char)(nNum & 0xFF);
			nNum >>= 8;
			i++;

			if ( nNum )
			{
				cAry[i] = (unsigned char)(nNum & 0xFF);
				nNum >>= 8;
				i++;

				if ( nNum )
				{
					cAry[i] = (unsigned char)(nNum & 0xFF);
					nNum >>= 8;
					i++;

					if ( nNum )
					{
						cAry[i] = (unsigned char)(nNum & 0xFF);
						nNum >>= 8;
						i++;
						cAry[0] |= 0x04;
					}
					else
						cAry[0] |= 0x03;
				}
				else
					cAry[0] |= 0x02;
			}
			else
				cAry[0] |= 0x01;
		}

		rOStream.Write( cAry, i );
	}
	else
	{
		rOStream << rPair.nA << rPair.nB;
	}

	return rOStream;
}

/*************************************************************************
|*
|*    Rectangle::SetSize()
|*
|*    Beschreibung      GEN.SDW
|*    Ersterstellung    DV 29.10.91
|*    Letzte Aenderung  MM 21.04.94
|*
*************************************************************************/

void Rectangle::SetSize( const Size& rSize )
{
    if ( rSize.Width() < 0 )
        nRight  = nLeft + rSize.Width() +1;
    else if ( rSize.Width() > 0 )
        nRight  = nLeft + rSize.Width() -1;
    else
        nRight = RECT_EMPTY;

    if ( rSize.Height() < 0 )
        nBottom  = nTop + rSize.Height() +1;
    else if ( rSize.Height() > 0 )
        nBottom  = nTop + rSize.Height() -1;
    else
        nBottom = RECT_EMPTY;
}

/*************************************************************************
|*
|*    Rectangle::Union()
|*
|*    Beschreibung      GEN.SDW
|*    Ersterstellung    TH 20.10.92
|*    Letzte Aenderung  MM 21.04.94
|*
*************************************************************************/

Rectangle& Rectangle::Union( const Rectangle& rRect )
{
    if ( rRect.IsEmpty() )
        return *this;

    if ( IsEmpty() )
        *this = rRect;
    else
    {
        nLeft  =  Min( Min( nLeft, rRect.nLeft ), Min( nRight, rRect.nRight )   );
        nRight  = Max( Max( nLeft, rRect.nLeft ), Max( nRight, rRect.nRight )   );
        nTop    = Min( Min( nTop, rRect.nTop ),   Min( nBottom, rRect.nBottom ) );
        nBottom = Max( Max( nTop, rRect.nTop ),   Max( nBottom, rRect.nBottom ) );
    }

    return *this;
}

/*************************************************************************
|*
|*    Rectangle::Intersection()
|*
|*    Beschreibung      GEN.SDW
|*    Ersterstellung    TH 20.10.92
|*    Letzte Aenderung  MM 21.04.94
|*
*************************************************************************/

Rectangle& Rectangle::Intersection( const Rectangle& rRect )
{
    if ( IsEmpty() )
        return *this;
    if ( rRect.IsEmpty() )
    {
        *this = Rectangle();
        return *this;
    }

    // nicht mit umgedrehten Rechtecken arbeiten
    Rectangle aTmpRect( rRect );
    Justify();
    aTmpRect.Justify();

    // Schnitt bilden
    nLeft  = Max( nLeft, aTmpRect.nLeft );
    nRight = Min( nRight, aTmpRect.nRight );
    nTop   = Max( nTop, aTmpRect.nTop );
    nBottom= Min( nBottom, aTmpRect.nBottom );

    // Feststellen ob Schnitt leer
    if ( nRight < nLeft || nBottom < nTop )
        *this = Rectangle();

    return *this;
}

/*************************************************************************
|*
|*    Rectangle::Justify()
|*
|*    Beschreibung      GEN.SDW
|*    Ersterstellung    DV 07.03.91
|*    Letzte Aenderung  DV 07.03.91
|*
*************************************************************************/

void Rectangle::Justify()
{
    long nHelp;

    // Abfrage, ob Right kleiner Left
    if ( (nRight < nLeft) && (nRight != RECT_EMPTY) )
    {
        nHelp = nLeft;
        nLeft = nRight;
        nRight = nHelp;
    }

    // Abfrage, ob Bottom kleiner Top
    if ( (nBottom < nTop) && (nBottom != RECT_EMPTY) )
    {
        nHelp = nBottom;
        nBottom = nTop;
        nTop = nHelp;
    }
}

/*************************************************************************
|*
|*    Rectangle::IsInside()
|*
|*    Beschreibung      GEN.SDW
|*    Ersterstellung    TH 19.03.90
|*    Letzte Aenderung  MM 21.04.94
|*
*************************************************************************/

sal_Bool Rectangle::IsInside( const Point& rPoint ) const
{
    if ( IsEmpty() )
        return sal_False;

    sal_Bool bRet = sal_True;
    if ( nLeft <= nRight )
    {
        if ( (rPoint.X() < nLeft) || (rPoint.X() > nRight) )
            bRet = sal_False;
    }
    else
    {
        if ( (rPoint.X() > nLeft) || (rPoint.X() < nRight) )
            bRet = sal_False;
    }
    if ( nTop <= nBottom )
    {
        if ( (rPoint.Y() < nTop) || (rPoint.Y() > nBottom) )
            bRet = sal_False;
    }
    else
    {
        if ( (rPoint.Y() > nTop) || (rPoint.Y() < nBottom) )
            bRet = sal_False;
    }
    return bRet;
}

/*************************************************************************
|*
|*    Rectangle::IsInside()
|*
|*    Beschreibung      GEN.SDW
|*    Ersterstellung    TH 19.03.90
|*    Letzte Aenderung  MM 21.04.94
|*
*************************************************************************/

sal_Bool Rectangle::IsInside( const Rectangle& rRect ) const
{
    if ( IsInside( rRect.TopLeft() ) && IsInside( rRect.BottomRight() ) )
        return sal_True;
    else
        return sal_False;
}

/*************************************************************************
|*
|*    Rectangle::IsOver()
|*
|*    Beschreibung      GEN.SDW
|*    Ersterstellung    TH 19.03.90
|*    Letzte Aenderung  MM 21.04.94
|*
*************************************************************************/

sal_Bool Rectangle::IsOver( const Rectangle& rRect ) const
{
    // Wenn sie sich nicht schneiden, ueberlappen sie auch nicht
    return !GetIntersection( rRect ).IsEmpty();
}

// =======================================================================

SvStream& operator>>( SvStream& rIStream, Rectangle& rRect )
{
	DBG_ASSERTWARNING( rIStream.GetVersion(), "Rectangle::>> - Solar-Version not set on rIStream" );

	if ( rIStream.GetCompressMode() == COMPRESSMODE_FULL )
	{
		unsigned char	cIdAry[2];
		unsigned char	cAry[16];
		int 			i;
		int 			iLast;
		int 			i1;
		int 			i2;
		int 			i3;
		int 			i4;
		sal_uInt32			nNum;

		rIStream.Read( cIdAry, 2 );
		i1 = (cIdAry[0] & 0x70) >> 4;
		i2 = cIdAry[0] & 0x07;
		i3 = (cIdAry[1] & 0x70) >> 4;
		i4 = cIdAry[1] & 0x07;
		rIStream.Read( cAry, i1+i2+i3+i4 );

		nNum = 0;
		i = i1;
		iLast = i;
		while ( i )
		{
			i--;
			nNum <<= 8;
			nNum |= cAry[i];
		}
		iLast = i1;
		if ( cIdAry[0] & 0x80 )
			nNum ^= 0xFFFFFFFF;
		rRect.nLeft = (sal_Int32)nNum;

		nNum = 0;
		i = iLast+i2;
		while ( i > iLast )
		{
			i--;
			nNum <<= 8;
			nNum |= cAry[i];
		}
		iLast += i2;
		if ( cIdAry[0] & 0x08 )
			nNum ^= 0xFFFFFFFF;
		rRect.nTop = (sal_Int32)nNum;

		nNum = 0;
		i = iLast+i3;
		while ( i > iLast )
		{
			i--;
			nNum <<= 8;
			nNum |= cAry[i];
		}
		iLast += i3;
		if ( cIdAry[1] & 0x80 )
			nNum ^= 0xFFFFFFFF;
		rRect.nRight = (sal_Int32)nNum;

		nNum = 0;
		i = iLast+i4;
		while ( i > iLast )
		{
			i--;
			nNum <<= 8;
			nNum |= cAry[i];
		}
		if ( cIdAry[1] & 0x08 )
			nNum ^= 0xFFFFFFFF;
		rRect.nBottom = (sal_Int32)nNum;
	}
	else
	{
		rIStream >> rRect.nLeft >> rRect.nTop >> rRect.nRight >> rRect.nBottom;
	}

	return rIStream;
}

// -----------------------------------------------------------------------

SvStream& operator<<( SvStream& rOStream, const Rectangle& rRect )
{
	DBG_ASSERTWARNING( rOStream.GetVersion(), "Rectangle::<< - Solar-Version not set on rOStream" );

	if ( rOStream.GetCompressMode() == COMPRESSMODE_FULL )
	{
		unsigned char	cAry[18];
		int 			i = 2;
		sal_uInt32			nNum;

		cAry[0] = 0;
		cAry[1] = 0;

		nNum = (sal_uInt32)(sal_Int32)rRect.nLeft;
		if ( rRect.nLeft < 0 )
		{
			cAry[0] |= 0x80;
			nNum ^= 0xFFFFFFFF;
		}
		if ( nNum )
		{
			cAry[i] = (unsigned char)(nNum & 0xFF);
			nNum >>= 8;
			i++;

			if ( nNum )
			{
				cAry[i] = (unsigned char)(nNum & 0xFF);
				nNum >>= 8;
				i++;

				if ( nNum )
				{
					cAry[i] = (unsigned char)(nNum & 0xFF);
					nNum >>= 8;
					i++;

					if ( nNum )
					{
						cAry[i] = (unsigned char)(nNum & 0xFF);
						nNum >>= 8;
						i++;
						cAry[0] |= 0x40;
					}
					else
						cAry[0] |= 0x30;
				}
				else
					cAry[0] |= 0x20;
			}
			else
				cAry[0] |= 0x10;
		}

		nNum = (sal_uInt32)(sal_Int32)rRect.nTop;
		if ( rRect.nTop < 0 )
		{
			cAry[0] |= 0x08;
			nNum ^= 0xFFFFFFFF;
		}
		if ( nNum )
		{
			cAry[i] = (unsigned char)(nNum & 0xFF);
			nNum >>= 8;
			i++;

			if ( nNum )
			{
				cAry[i] = (unsigned char)(nNum & 0xFF);
				nNum >>= 8;
				i++;

				if ( nNum )
				{
					cAry[i] = (unsigned char)(nNum & 0xFF);
					nNum >>= 8;
					i++;

					if ( nNum )
					{
						cAry[i] = (unsigned char)(nNum & 0xFF);
						nNum >>= 8;
						i++;
						cAry[0] |= 0x04;
					}
					else
						cAry[0] |= 0x03;
				}
				else
					cAry[0] |= 0x02;
			}
			else
				cAry[0] |= 0x01;
		}

		nNum = (sal_uInt32)(sal_Int32)rRect.nRight;
		if ( rRect.nRight < 0 )
		{
			cAry[1] |= 0x80;
			nNum ^= 0xFFFFFFFF;
		}
		if ( nNum )
		{
			cAry[i] = (unsigned char)(nNum & 0xFF);
			nNum >>= 8;
			i++;

			if ( nNum )
			{
				cAry[i] = (unsigned char)(nNum & 0xFF);
				nNum >>= 8;
				i++;

				if ( nNum )
				{
					cAry[i] = (unsigned char)(nNum & 0xFF);
					nNum >>= 8;
					i++;

					if ( nNum )
					{
						cAry[i] = (unsigned char)(nNum & 0xFF);
						nNum >>= 8;
						i++;
						cAry[1] |= 0x40;
					}
					else
						cAry[1] |= 0x30;
				}
				else
					cAry[1] |= 0x20;
			}
			else
				cAry[1] |= 0x10;
		}

		nNum = (sal_uInt32)(sal_Int32)rRect.nBottom;
		if ( rRect.nBottom < 0 )
		{
			cAry[1] |= 0x08;
			nNum ^= 0xFFFFFFFF;
		}
		if ( nNum )
		{
			cAry[i] = (unsigned char)(nNum & 0xFF);
			nNum >>= 8;
			i++;

			if ( nNum )
			{
				cAry[i] = (unsigned char)(nNum & 0xFF);
				nNum >>= 8;
				i++;

				if ( nNum )
				{
					cAry[i] = (unsigned char)(nNum & 0xFF);
					nNum >>= 8;
					i++;

					if ( nNum )
					{
						cAry[i] = (unsigned char)(nNum & 0xFF);
						nNum >>= 8;
						i++;
						cAry[1] |= 0x04;
					}
					else
						cAry[1] |= 0x03;
				}
				else
					cAry[1] |= 0x02;
			}
			else
				cAry[1] |= 0x01;
		}

		rOStream.Write( cAry, i );
	}
	else
	{
		rOStream << rRect.nLeft << rRect.nTop << rRect.nRight << rRect.nBottom;
	}

	return rOStream;
}