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+/*************************************************************************
+ *
+ * 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_tools.hxx"
+
+#include <stdlib.h>
+#include <vos/macros.hxx>
+#include <tools/color.hxx>
+#include <tools/debug.hxx>
+#include <tools/stream.hxx>
+#include <tools/rc.hxx>
+#include <tools/rcid.h>
+#include <tools/resid.hxx>
+#ifndef _SV_RC_H
+#include <tools/rc.h>
+#endif
+
+// -----------
+// - Inlines -
+// -----------
+
+static inline long _FRound( double fVal )
+{
+ return( fVal > 0.0 ? (long) ( fVal + 0.5 ) : -(long) ( -fVal + 0.5 ) );
+}
+
+// ---------
+// - Color -
+// ---------
+
+Color::Color( const ResId& rResId )
+{
+ rResId.SetRT( RSC_COLOR );
+ ResMgr* pResMgr = rResId.GetResMgr();
+ if ( pResMgr && pResMgr->GetResource( rResId ) )
+ {
+ // Header ueberspringen
+ pResMgr->Increment( sizeof( RSHEADER_TYPE ) );
+
+ // Daten laden
+ USHORT nRed = pResMgr->ReadShort();
+ USHORT nGreen = pResMgr->ReadShort();
+ USHORT nBlue = pResMgr->ReadShort();
+ // one more historical ULONG
+ pResMgr->ReadLong();
+
+ // RGB-Farbe
+ mnColor = RGB_COLORDATA( nRed>>8, nGreen>>8, nBlue>>8 );
+ }
+ else
+ {
+ mnColor = RGB_COLORDATA( 0, 0, 0 );
+ }
+}
+UINT8 Color::GetColorError( const Color& rCompareColor ) const
+{
+ const long nErrAbs = labs( (long) rCompareColor.GetRed() - GetRed() ) +
+ labs( (long) rCompareColor.GetGreen() - GetGreen() ) +
+ labs( (long) rCompareColor.GetBlue() - GetBlue() );
+
+ return (UINT8) _FRound( nErrAbs * 0.3333333333 );
+}
+
+// -----------------------------------------------------------------------
+
+void Color::IncreaseLuminance( UINT8 cLumInc )
+{
+ SetRed( (UINT8) VOS_BOUND( (long) COLORDATA_RED( mnColor ) + cLumInc, 0L, 255L ) );
+ SetGreen( (UINT8) VOS_BOUND( (long) COLORDATA_GREEN( mnColor ) + cLumInc, 0L, 255L ) );
+ SetBlue( (UINT8) VOS_BOUND( (long) COLORDATA_BLUE( mnColor ) + cLumInc, 0L, 255L ) );
+}
+
+// -----------------------------------------------------------------------
+
+void Color::DecreaseLuminance( UINT8 cLumDec )
+{
+ SetRed( (UINT8) VOS_BOUND( (long) COLORDATA_RED( mnColor ) - cLumDec, 0L, 255L ) );
+ SetGreen( (UINT8) VOS_BOUND( (long) COLORDATA_GREEN( mnColor ) - cLumDec, 0L, 255L ) );
+ SetBlue( (UINT8) VOS_BOUND( (long) COLORDATA_BLUE( mnColor ) - cLumDec, 0L, 255L ) );
+}
+
+// -----------------------------------------------------------------------
+
+void Color::IncreaseContrast( UINT8 cContInc )
+{
+ if( cContInc)
+ {
+ const double fM = 128.0 / ( 128.0 - 0.4985 * cContInc );
+ const double fOff = 128.0 - fM * 128.0;
+
+ SetRed( (UINT8) VOS_BOUND( _FRound( COLORDATA_RED( mnColor ) * fM + fOff ), 0L, 255L ) );
+ SetGreen( (UINT8) VOS_BOUND( _FRound( COLORDATA_GREEN( mnColor ) * fM + fOff ), 0L, 255L ) );
+ SetBlue( (UINT8) VOS_BOUND( _FRound( COLORDATA_BLUE( mnColor ) * fM + fOff ), 0L, 255L ) );
+ }
+}
+
+// -----------------------------------------------------------------------
+
+void Color::DecreaseContrast( UINT8 cContDec )
+{
+ if( cContDec )
+ {
+ const double fM = ( 128.0 - 0.4985 * cContDec ) / 128.0;
+ const double fOff = 128.0 - fM * 128.0;
+
+ SetRed( (UINT8) VOS_BOUND( _FRound( COLORDATA_RED( mnColor ) * fM + fOff ), 0L, 255L ) );
+ SetGreen( (UINT8) VOS_BOUND( _FRound( COLORDATA_GREEN( mnColor ) * fM + fOff ), 0L, 255L ) );
+ SetBlue( (UINT8) VOS_BOUND( _FRound( COLORDATA_BLUE( mnColor ) * fM + fOff ), 0L, 255L ) );
+ }
+}
+
+// -----------------------------------------------------------------------
+
+void Color::Invert()
+{
+ SetRed( ~COLORDATA_RED( mnColor ) );
+ SetGreen( ~COLORDATA_GREEN( mnColor ) );
+ SetBlue( ~COLORDATA_BLUE( mnColor ) );
+}
+
+// -----------------------------------------------------------------------
+
+BOOL Color::IsDark() const
+{
+ return GetLuminance() <= 38;
+}
+
+// -----------------------------------------------------------------------
+
+BOOL Color::IsBright() const
+{
+ return GetLuminance() >= 245;
+}
+
+// -----------------------------------------------------------------------
+// color space conversion
+// -----------------------------------------------------------------------
+
+void Color::RGBtoHSB( USHORT& nHue, USHORT& nSat, USHORT& nBri ) const
+{
+ UINT8 c[3];
+ UINT8 cMax, cMin;
+
+ c[0] = GetRed();
+ c[1] = GetGreen();
+ c[2] = GetBlue();
+
+ cMax = c[0];
+ if( c[1] > cMax )
+ cMax = c[1];
+ if( c[2] > cMax )
+ cMax = c[2];
+
+ // Brightness = max(R, G, B);
+ nBri = cMax * 100 / 255;
+
+ cMin = c[0];
+ if( c[1] < cMin )
+ cMin = c[1];
+ if( c[2] < cMin )
+ cMin = c[2];
+
+ UINT8 cDelta = cMax - cMin;
+
+ // Saturation = max - min / max
+ if( nBri > 0 )
+ nSat = cDelta * 100 / cMax;
+ else
+ nSat = 0;
+
+ if( nSat == 0 )
+ nHue = 0; // Default = undefined
+ else
+ {
+ double dHue = 0.0;
+
+ if( c[0] == cMax )
+ {
+ dHue = (double)( c[1] - c[2] ) / (double)cDelta;
+ }
+ else if( c[1] == cMax )
+ {
+ dHue = 2.0 + (double)( c[2] - c[0] ) / (double)cDelta;
+ }
+ else if ( c[2] == cMax )
+ {
+ dHue = 4.0 + (double)( c[0] - c[1] ) / (double)cDelta;
+ }
+ dHue *= 60.0;
+
+ if( dHue < 0.0 )
+ dHue += 360.0;
+
+ nHue = (UINT16) dHue;
+ }
+}
+
+ColorData Color::HSBtoRGB( USHORT nHue, USHORT nSat, USHORT nBri )
+{
+ UINT8 cR=0,cG=0,cB=0;
+ UINT8 nB = (UINT8) ( nBri * 255 / 100 );
+
+ if( nSat == 0 )
+ {
+ cR = nB;
+ cG = nB;
+ cB = nB;
+ }
+ else
+ {
+ double dH = nHue;
+ double f;
+ UINT16 n;
+ if( dH == 360.0 )
+ dH = 0.0;
+
+ dH /= 60.0;
+ n = (UINT16) dH;
+ f = dH - n;
+
+ UINT8 a = (UINT8) ( nB * ( 100 - nSat ) / 100 );
+ UINT8 b = (UINT8) ( nB * ( 100 - ( (double)nSat * f + 0.5 ) ) / 100 );
+ UINT8 c = (UINT8) ( nB * ( 100 - ( (double)nSat * ( 1.0 - f ) + 0.5 ) ) / 100 );
+
+ switch( n )
+ {
+ case 0: cR = nB; cG = c; cB = a; break;
+ case 1: cR = b; cG = nB; cB = a; break;
+ case 2: cR = a; cG = nB; cB = c; break;
+ case 3: cR = a; cG = b; cB = nB; break;
+ case 4: cR = c; cG = a; cB = nB; break;
+ case 5: cR = nB; cG = a; cB = b; break;
+ }
+ }
+
+ return RGB_COLORDATA( cR, cG, cB );
+}
+
+// -----------------------------------------------------------------------
+
+SvStream& Color::Read( SvStream& rIStm, BOOL bNewFormat )
+{
+ if ( bNewFormat )
+ rIStm >> mnColor;
+ else
+ rIStm >> *this;
+
+ return rIStm;
+}
+
+// -----------------------------------------------------------------------
+
+SvStream& Color::Write( SvStream& rOStm, BOOL bNewFormat )
+{
+ if ( bNewFormat )
+ rOStm << mnColor;
+ else
+ rOStm << *this;
+
+ return rOStm;
+}
+
+// -----------------------------------------------------------------------
+
+#define COL_NAME_USER ((USHORT)0x8000)
+#define COL_RED_1B ((USHORT)0x0001)
+#define COL_RED_2B ((USHORT)0x0002)
+#define COL_GREEN_1B ((USHORT)0x0010)
+#define COL_GREEN_2B ((USHORT)0x0020)
+#define COL_BLUE_1B ((USHORT)0x0100)
+#define COL_BLUE_2B ((USHORT)0x0200)
+
+// -----------------------------------------------------------------------
+
+SvStream& operator>>( SvStream& rIStream, Color& rColor )
+{
+ DBG_ASSERTWARNING( rIStream.GetVersion(), "Color::>> - Solar-Version not set on rIStream" );
+
+ USHORT nColorName;
+ USHORT nRed;
+ USHORT nGreen;
+ USHORT nBlue;
+
+ rIStream >> nColorName;
+
+ if ( nColorName & COL_NAME_USER )
+ {
+ if ( rIStream.GetCompressMode() == COMPRESSMODE_FULL )
+ {
+ unsigned char cAry[6];
+ USHORT i = 0;
+
+ nRed = 0;
+ nGreen = 0;
+ nBlue = 0;
+
+ if ( nColorName & COL_RED_2B )
+ i += 2;
+ else if ( nColorName & COL_RED_1B )
+ i++;
+ if ( nColorName & COL_GREEN_2B )
+ i += 2;
+ else if ( nColorName & COL_GREEN_1B )
+ i++;
+ if ( nColorName & COL_BLUE_2B )
+ i += 2;
+ else if ( nColorName & COL_BLUE_1B )
+ i++;
+
+ rIStream.Read( cAry, i );
+ i = 0;
+
+ if ( nColorName & COL_RED_2B )
+ {
+ nRed = cAry[i];
+ nRed <<= 8;
+ i++;
+ nRed |= cAry[i];
+ i++;
+ }
+ else if ( nColorName & COL_RED_1B )
+ {
+ nRed = cAry[i];
+ nRed <<= 8;
+ i++;
+ }
+ if ( nColorName & COL_GREEN_2B )
+ {
+ nGreen = cAry[i];
+ nGreen <<= 8;
+ i++;
+ nGreen |= cAry[i];
+ i++;
+ }
+ else if ( nColorName & COL_GREEN_1B )
+ {
+ nGreen = cAry[i];
+ nGreen <<= 8;
+ i++;
+ }
+ if ( nColorName & COL_BLUE_2B )
+ {
+ nBlue = cAry[i];
+ nBlue <<= 8;
+ i++;
+ nBlue |= cAry[i];
+ i++;
+ }
+ else if ( nColorName & COL_BLUE_1B )
+ {
+ nBlue = cAry[i];
+ nBlue <<= 8;
+ i++;
+ }
+ }
+ else
+ {
+ rIStream >> nRed;
+ rIStream >> nGreen;
+ rIStream >> nBlue;
+ }
+
+ rColor.mnColor = RGB_COLORDATA( nRed>>8, nGreen>>8, nBlue>>8 );
+ }
+ else
+ {
+ static ColorData aColAry[] =
+ {
+ COL_BLACK, // COL_BLACK
+ COL_BLUE, // COL_BLUE
+ COL_GREEN, // COL_GREEN
+ COL_CYAN, // COL_CYAN
+ COL_RED, // COL_RED
+ COL_MAGENTA, // COL_MAGENTA
+ COL_BROWN, // COL_BROWN
+ COL_GRAY, // COL_GRAY
+ COL_LIGHTGRAY, // COL_LIGHTGRAY
+ COL_LIGHTBLUE, // COL_LIGHTBLUE
+ COL_LIGHTGREEN, // COL_LIGHTGREEN
+ COL_LIGHTCYAN, // COL_LIGHTCYAN
+ COL_LIGHTRED, // COL_LIGHTRED
+ COL_LIGHTMAGENTA, // COL_LIGHTMAGENTA
+ COL_YELLOW, // COL_YELLOW
+ COL_WHITE, // COL_WHITE
+ COL_WHITE, // COL_MENUBAR
+ COL_BLACK, // COL_MENUBARTEXT
+ COL_WHITE, // COL_POPUPMENU
+ COL_BLACK, // COL_POPUPMENUTEXT
+ COL_BLACK, // COL_WINDOWTEXT
+ COL_WHITE, // COL_WINDOWWORKSPACE
+ COL_BLACK, // COL_HIGHLIGHT
+ COL_WHITE, // COL_HIGHLIGHTTEXT
+ COL_BLACK, // COL_3DTEXT
+ COL_LIGHTGRAY, // COL_3DFACE
+ COL_WHITE, // COL_3DLIGHT
+ COL_GRAY, // COL_3DSHADOW
+ COL_LIGHTGRAY, // COL_SCROLLBAR
+ COL_WHITE, // COL_FIELD
+ COL_BLACK // COL_FIELDTEXT
+ };
+
+ if ( nColorName < (sizeof( aColAry )/sizeof(ColorData)) )
+ rColor.mnColor = aColAry[nColorName];
+ else
+ rColor.mnColor = COL_BLACK;
+ }
+
+ return rIStream;
+}
+
+// -----------------------------------------------------------------------
+
+SvStream& operator<<( SvStream& rOStream, const Color& rColor )
+{
+ DBG_ASSERTWARNING( rOStream.GetVersion(), "Color::<< - Solar-Version not set on rOStream" );
+
+ USHORT nColorName = COL_NAME_USER;
+ USHORT nRed = rColor.GetRed();
+ USHORT nGreen = rColor.GetGreen();
+ USHORT nBlue = rColor.GetBlue();
+ nRed = (nRed<<8) + nRed;
+ nGreen = (nGreen<<8) + nGreen;
+ nBlue = (nBlue<<8) + nBlue;
+
+ if ( rOStream.GetCompressMode() == COMPRESSMODE_FULL )
+ {
+ unsigned char cAry[6];
+ USHORT i = 0;
+
+ if ( nRed & 0x00FF )
+ {
+ nColorName |= COL_RED_2B;
+ cAry[i] = (unsigned char)(nRed & 0xFF);
+ i++;
+ cAry[i] = (unsigned char)((nRed >> 8) & 0xFF);
+ i++;
+ }
+ else if ( nRed & 0xFF00 )
+ {
+ nColorName |= COL_RED_1B;
+ cAry[i] = (unsigned char)((nRed >> 8) & 0xFF);
+ i++;
+ }
+ if ( nGreen & 0x00FF )
+ {
+ nColorName |= COL_GREEN_2B;
+ cAry[i] = (unsigned char)(nGreen & 0xFF);
+ i++;
+ cAry[i] = (unsigned char)((nGreen >> 8) & 0xFF);
+ i++;
+ }
+ else if ( nGreen & 0xFF00 )
+ {
+ nColorName |= COL_GREEN_1B;
+ cAry[i] = (unsigned char)((nGreen >> 8) & 0xFF);
+ i++;
+ }
+ if ( nBlue & 0x00FF )
+ {
+ nColorName |= COL_BLUE_2B;
+ cAry[i] = (unsigned char)(nBlue & 0xFF);
+ i++;
+ cAry[i] = (unsigned char)((nBlue >> 8) & 0xFF);
+ i++;
+ }
+ else if ( nBlue & 0xFF00 )
+ {
+ nColorName |= COL_BLUE_1B;
+ cAry[i] = (unsigned char)((nBlue >> 8) & 0xFF);
+ i++;
+ }
+
+ rOStream << nColorName;
+ rOStream.Write( cAry, i );
+ }
+ else
+ {
+ rOStream << nColorName;
+ rOStream << nRed;
+ rOStream << nGreen;
+ rOStream << nBlue;
+ }
+
+ return rOStream;
+}