538 lines
15 KiB
C++
538 lines
15 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: color.cxx,v $
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*
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* $Revision: 1.11 $
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*
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* last change: $Author: obo $ $Date: 2006-09-17 00:55:16 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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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 2005 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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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_tools.hxx"
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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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#ifndef _TOOLS_RC_HXX
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#include <rc.hxx>
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#endif
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#ifndef _TOOLS_RCID_H
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#include <rcid.h>
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#endif
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#ifndef _TOOLS_RESID_HXX
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#include <resid.hxx>
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#endif
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#ifndef _SV_RC_H
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#include <rc.h>
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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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Color::Color( const ResId& rResId )
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{
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rResId.SetRT( RSC_COLOR );
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ResMgr* pResMgr = rResId.GetResMgr();
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if ( !pResMgr )
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pResMgr = Resource::GetResManager();
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if ( pResMgr->GetResource( rResId ) )
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{
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// Header ueberspringen
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pResMgr->Increment( sizeof( RSHEADER_TYPE ) );
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// Daten laden
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USHORT nRed = pResMgr->ReadShort();
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USHORT nGreen = pResMgr->ReadShort();
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USHORT nBlue = pResMgr->ReadShort();
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// one more historical ULONG
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pResMgr->ReadLong();
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// RGB-Farbe
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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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mnColor = RGB_COLORDATA( 0, 0, 0 );
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}
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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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// color space conversion
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// -----------------------------------------------------------------------
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void Color::RGBtoHSB( USHORT& nHue, USHORT& nSat, USHORT& nBri ) const
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{
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UINT8 c[3];
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UINT8 cMax, cMin;
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c[0] = GetRed();
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c[1] = GetGreen();
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c[2] = GetBlue();
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cMax = c[0];
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if( c[1] > cMax )
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cMax = c[1];
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if( c[2] > cMax )
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cMax = c[2];
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// Brightness = max(R, G, B);
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nBri = cMax * 100 / 255;
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cMin = c[0];
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if( c[1] < cMin )
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cMin = c[1];
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if( c[2] < cMin )
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cMin = c[2];
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UINT8 cDelta = cMax - cMin;
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// Saturation = max - min / max
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if( nBri > 0 )
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nSat = cDelta * 100 / cMax;
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else
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nSat = 0;
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if( nSat == 0 )
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nHue = 0; // Default = undefined
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else
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{
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double dHue = 0.0;
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if( c[0] == cMax )
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{
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dHue = (double)( c[1] - c[2] ) / (double)cDelta;
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}
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else if( c[1] == cMax )
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{
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dHue = 2.0 + (double)( c[2] - c[0] ) / (double)cDelta;
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}
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else if ( c[2] == cMax )
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{
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dHue = 4.0 + (double)( c[0] - c[1] ) / (double)cDelta;
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}
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dHue *= 60.0;
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if( dHue < 0.0 )
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dHue += 360.0;
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nHue = (UINT16) dHue;
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}
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}
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ColorData Color::HSBtoRGB( USHORT nHue, USHORT nSat, USHORT nBri )
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{
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UINT8 cR=0,cG=0,cB=0;
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UINT8 nB = (UINT8) ( nBri * 255 / 100 );
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if( nSat == 0 )
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{
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cR = nB;
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cG = nB;
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cB = nB;
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}
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else
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{
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double dH = nHue;
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double f;
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UINT16 n;
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if( dH == 360.0 )
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dH = 0.0;
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dH /= 60.0;
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n = (UINT16) dH;
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f = dH - n;
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UINT8 a = (UINT8) ( nB * ( 100 - nSat ) / 100 );
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UINT8 b = (UINT8) ( nB * ( 100 - ( (double)nSat * f + 0.5 ) ) / 100 );
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UINT8 c = (UINT8) ( nB * ( 100 - ( (double)nSat * ( 1.0 - f ) + 0.5 ) ) / 100 );
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switch( n )
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{
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case 0: cR = nB; cG = c; cB = a; break;
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case 1: cR = b; cG = nB; cB = a; break;
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case 2: cR = a; cG = nB; cB = c; break;
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case 3: cR = a; cG = b; cB = nB; break;
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case 4: cR = c; cG = a; cB = nB; break;
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case 5: cR = nB; cG = a; cB = b; break;
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}
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}
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return RGB_COLORDATA( cR, cG, cB );
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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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|
}
|
|
|
|
rOStream << nColorName;
|
|
rOStream.Write( cAry, i );
|
|
}
|
|
else
|
|
{
|
|
rOStream << nColorName;
|
|
rOStream << nRed;
|
|
rOStream << nGreen;
|
|
rOStream << nBlue;
|
|
}
|
|
|
|
return rOStream;
|
|
}
|