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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;
}
|
