417 lines
13 KiB
C++
417 lines
13 KiB
C++
/*************************************************************************
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*
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* $RCSfile: color.cxx,v $
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*
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* $Revision: 1.7 $
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*
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* last change: $Author: ssa $ $Date: 2002-11-19 13:55:28 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include <stdlib.h>
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#ifndef _VOS_MACROS_HXX_
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#include <vos/macros.hxx>
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#endif
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#ifndef _TOOLS_COLOR_HXX
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#include <color.hxx>
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#endif
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#ifndef _TOOLS_DEBUG_HXX
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#include <debug.hxx>
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#endif
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#ifndef _STREAM_HXX
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#include <stream.hxx>
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#endif
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// -----------
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// - Inlines -
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// -----------
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static inline long _FRound( double fVal )
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{
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return( fVal > 0.0 ? (long) ( fVal + 0.5 ) : -(long) ( -fVal + 0.5 ) );
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}
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// ---------
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// - Color -
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// ---------
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UINT8 Color::GetColorError( const Color& rCompareColor ) const
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{
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const long nErrAbs = labs( (long) rCompareColor.GetRed() - GetRed() ) +
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labs( (long) rCompareColor.GetGreen() - GetGreen() ) +
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labs( (long) rCompareColor.GetBlue() - GetBlue() );
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return (UINT8) _FRound( nErrAbs * 0.3333333333 );
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}
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// -----------------------------------------------------------------------
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void Color::IncreaseLuminance( UINT8 cLumInc )
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{
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SetRed( (UINT8) VOS_BOUND( (long) COLORDATA_RED( mnColor ) + cLumInc, 0L, 255L ) );
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SetGreen( (UINT8) VOS_BOUND( (long) COLORDATA_GREEN( mnColor ) + cLumInc, 0L, 255L ) );
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SetBlue( (UINT8) VOS_BOUND( (long) COLORDATA_BLUE( mnColor ) + cLumInc, 0L, 255L ) );
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}
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// -----------------------------------------------------------------------
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void Color::DecreaseLuminance( UINT8 cLumDec )
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{
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SetRed( (UINT8) VOS_BOUND( (long) COLORDATA_RED( mnColor ) - cLumDec, 0L, 255L ) );
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SetGreen( (UINT8) VOS_BOUND( (long) COLORDATA_GREEN( mnColor ) - cLumDec, 0L, 255L ) );
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SetBlue( (UINT8) VOS_BOUND( (long) COLORDATA_BLUE( mnColor ) - cLumDec, 0L, 255L ) );
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}
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// -----------------------------------------------------------------------
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void Color::IncreaseContrast( UINT8 cContInc )
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{
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if( cContInc)
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{
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const double fM = 128.0 / ( 128.0 - 0.4985 * cContInc );
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const double fOff = 128.0 - fM * 128.0;
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SetRed( (UINT8) VOS_BOUND( _FRound( COLORDATA_RED( mnColor ) * fM + fOff ), 0L, 255L ) );
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SetGreen( (UINT8) VOS_BOUND( _FRound( COLORDATA_GREEN( mnColor ) * fM + fOff ), 0L, 255L ) );
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SetBlue( (UINT8) VOS_BOUND( _FRound( COLORDATA_BLUE( mnColor ) * fM + fOff ), 0L, 255L ) );
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}
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}
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// -----------------------------------------------------------------------
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void Color::DecreaseContrast( UINT8 cContDec )
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{
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if( cContDec )
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{
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const double fM = ( 128.0 - 0.4985 * cContDec ) / 128.0;
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const double fOff = 128.0 - fM * 128.0;
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SetRed( (UINT8) VOS_BOUND( _FRound( COLORDATA_RED( mnColor ) * fM + fOff ), 0L, 255L ) );
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SetGreen( (UINT8) VOS_BOUND( _FRound( COLORDATA_GREEN( mnColor ) * fM + fOff ), 0L, 255L ) );
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SetBlue( (UINT8) VOS_BOUND( _FRound( COLORDATA_BLUE( mnColor ) * fM + fOff ), 0L, 255L ) );
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}
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}
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// -----------------------------------------------------------------------
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void Color::Invert()
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{
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SetRed( ~COLORDATA_RED( mnColor ) );
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SetGreen( ~COLORDATA_GREEN( mnColor ) );
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SetBlue( ~COLORDATA_BLUE( mnColor ) );
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}
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// -----------------------------------------------------------------------
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BOOL Color::IsDark() const
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{
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return GetLuminance() <= 38;
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}
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// -----------------------------------------------------------------------
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BOOL Color::IsBright() const
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{
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return GetLuminance() >= 245;
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}
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// -----------------------------------------------------------------------
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SvStream& Color::Read( SvStream& rIStm, BOOL bNewFormat )
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{
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if ( bNewFormat )
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rIStm >> mnColor;
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else
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rIStm >> *this;
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return rIStm;
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}
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// -----------------------------------------------------------------------
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SvStream& Color::Write( SvStream& rOStm, BOOL bNewFormat )
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{
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if ( bNewFormat )
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rOStm << mnColor;
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else
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rOStm << *this;
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return rOStm;
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}
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// -----------------------------------------------------------------------
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#define COL_NAME_USER ((USHORT)0x8000)
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#define COL_RED_1B ((USHORT)0x0001)
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#define COL_RED_2B ((USHORT)0x0002)
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#define COL_GREEN_1B ((USHORT)0x0010)
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#define COL_GREEN_2B ((USHORT)0x0020)
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#define COL_BLUE_1B ((USHORT)0x0100)
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#define COL_BLUE_2B ((USHORT)0x0200)
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// -----------------------------------------------------------------------
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SvStream& operator>>( SvStream& rIStream, Color& rColor )
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{
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DBG_ASSERTWARNING( rIStream.GetVersion(), "Color::>> - Solar-Version not set on rIStream" );
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USHORT nColorName;
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USHORT nRed;
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USHORT nGreen;
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USHORT nBlue;
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rIStream >> nColorName;
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if ( nColorName & COL_NAME_USER )
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{
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if ( rIStream.GetCompressMode() == COMPRESSMODE_FULL )
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{
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unsigned char cAry[6];
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USHORT i = 0;
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nRed = 0;
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nGreen = 0;
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nBlue = 0;
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if ( nColorName & COL_RED_2B )
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i += 2;
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else if ( nColorName & COL_RED_1B )
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i++;
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if ( nColorName & COL_GREEN_2B )
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i += 2;
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else if ( nColorName & COL_GREEN_1B )
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i++;
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if ( nColorName & COL_BLUE_2B )
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i += 2;
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else if ( nColorName & COL_BLUE_1B )
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i++;
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rIStream.Read( cAry, i );
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i = 0;
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if ( nColorName & COL_RED_2B )
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{
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nRed = cAry[i];
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nRed <<= 8;
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i++;
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nRed |= cAry[i];
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i++;
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}
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else if ( nColorName & COL_RED_1B )
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{
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nRed = cAry[i];
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nRed <<= 8;
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i++;
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}
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if ( nColorName & COL_GREEN_2B )
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{
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nGreen = cAry[i];
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nGreen <<= 8;
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i++;
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nGreen |= cAry[i];
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i++;
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}
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else if ( nColorName & COL_GREEN_1B )
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{
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nGreen = cAry[i];
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nGreen <<= 8;
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i++;
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}
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if ( nColorName & COL_BLUE_2B )
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{
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nBlue = cAry[i];
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nBlue <<= 8;
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i++;
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nBlue |= cAry[i];
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i++;
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}
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else if ( nColorName & COL_BLUE_1B )
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{
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nBlue = cAry[i];
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nBlue <<= 8;
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i++;
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}
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}
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else
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{
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rIStream >> nRed;
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rIStream >> nGreen;
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rIStream >> nBlue;
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}
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rColor.mnColor = RGB_COLORDATA( nRed>>8, nGreen>>8, nBlue>>8 );
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}
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else
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{
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static ColorData aColAry[] =
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{
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COL_BLACK, // COL_BLACK
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COL_BLUE, // COL_BLUE
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COL_GREEN, // COL_GREEN
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COL_CYAN, // COL_CYAN
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COL_RED, // COL_RED
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COL_MAGENTA, // COL_MAGENTA
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COL_BROWN, // COL_BROWN
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COL_GRAY, // COL_GRAY
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COL_LIGHTGRAY, // COL_LIGHTGRAY
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COL_LIGHTBLUE, // COL_LIGHTBLUE
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COL_LIGHTGREEN, // COL_LIGHTGREEN
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COL_LIGHTCYAN, // COL_LIGHTCYAN
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COL_LIGHTRED, // COL_LIGHTRED
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COL_LIGHTMAGENTA, // COL_LIGHTMAGENTA
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COL_YELLOW, // COL_YELLOW
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COL_WHITE, // COL_WHITE
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COL_WHITE, // COL_MENUBAR
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COL_BLACK, // COL_MENUBARTEXT
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COL_WHITE, // COL_POPUPMENU
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COL_BLACK, // COL_POPUPMENUTEXT
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COL_BLACK, // COL_WINDOWTEXT
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COL_WHITE, // COL_WINDOWWORKSPACE
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COL_BLACK, // COL_HIGHLIGHT
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COL_WHITE, // COL_HIGHLIGHTTEXT
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COL_BLACK, // COL_3DTEXT
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COL_LIGHTGRAY, // COL_3DFACE
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COL_WHITE, // COL_3DLIGHT
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COL_GRAY, // COL_3DSHADOW
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COL_LIGHTGRAY, // COL_SCROLLBAR
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COL_WHITE, // COL_FIELD
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COL_BLACK // COL_FIELDTEXT
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};
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if ( nColorName < (sizeof( aColAry )/sizeof(ColorData)) )
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rColor.mnColor = aColAry[nColorName];
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else
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rColor.mnColor = COL_BLACK;
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}
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return rIStream;
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}
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// -----------------------------------------------------------------------
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SvStream& operator<<( SvStream& rOStream, const Color& rColor )
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{
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DBG_ASSERTWARNING( rOStream.GetVersion(), "Color::<< - Solar-Version not set on rOStream" );
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USHORT nColorName = COL_NAME_USER;
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USHORT nRed = rColor.GetRed();
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USHORT nGreen = rColor.GetGreen();
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USHORT nBlue = rColor.GetBlue();
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nRed = (nRed<<8) + nRed;
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nGreen = (nGreen<<8) + nGreen;
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nBlue = (nBlue<<8) + nBlue;
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if ( rOStream.GetCompressMode() == COMPRESSMODE_FULL )
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{
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unsigned char cAry[6];
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USHORT i = 0;
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if ( nRed & 0x00FF )
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{
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nColorName |= COL_RED_2B;
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cAry[i] = (unsigned char)(nRed & 0xFF);
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i++;
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cAry[i] = (unsigned char)((nRed >> 8) & 0xFF);
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i++;
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}
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else if ( nRed & 0xFF00 )
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{
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nColorName |= COL_RED_1B;
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cAry[i] = (unsigned char)((nRed >> 8) & 0xFF);
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i++;
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}
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if ( nGreen & 0x00FF )
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{
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nColorName |= COL_GREEN_2B;
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cAry[i] = (unsigned char)(nGreen & 0xFF);
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i++;
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cAry[i] = (unsigned char)((nGreen >> 8) & 0xFF);
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i++;
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}
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else if ( nGreen & 0xFF00 )
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{
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nColorName |= COL_GREEN_1B;
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cAry[i] = (unsigned char)((nGreen >> 8) & 0xFF);
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i++;
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}
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if ( nBlue & 0x00FF )
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{
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nColorName |= COL_BLUE_2B;
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cAry[i] = (unsigned char)(nBlue & 0xFF);
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i++;
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cAry[i] = (unsigned char)((nBlue >> 8) & 0xFF);
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i++;
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}
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else if ( nBlue & 0xFF00 )
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{
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nColorName |= COL_BLUE_1B;
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cAry[i] = (unsigned char)((nBlue >> 8) & 0xFF);
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i++;
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}
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rOStream << nColorName;
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rOStream.Write( cAry, i );
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}
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else
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{
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rOStream << nColorName;
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rOStream << nRed;
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rOStream << nGreen;
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rOStream << nBlue;
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}
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return rOStream;
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}
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