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Diffstat (limited to 'include/tools/color.hxx')
| -rw-r--r-- | include/tools/color.hxx | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/include/tools/color.hxx b/include/tools/color.hxx new file mode 100644 index 000000000000..911088b9cad1 --- /dev/null +++ b/include/tools/color.hxx @@ -0,0 +1,215 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ +#ifndef _TOOLS_COLOR_HXX +#define _TOOLS_COLOR_HXX + +#include "tools/toolsdllapi.h" + +class SvStream; +class ResId; + +#include <tools/solar.h> +#include <basegfx/color/bcolor.hxx> + +// Color types +typedef sal_uInt32 ColorData; +#define RGB_COLORDATA( r,g,b ) ((ColorData)(((sal_uInt32)((sal_uInt8)(b))))|(((sal_uInt32)((sal_uInt8)(g)))<<8)|(((sal_uInt32)((sal_uInt8)(r)))<<16)) +#define TRGB_COLORDATA( t,r,g,b ) ((ColorData)(((sal_uInt32)((sal_uInt8)(b))))|(((sal_uInt32)((sal_uInt8)(g)))<<8)|(((sal_uInt32)((sal_uInt8)(r)))<<16)|(((sal_uInt32)((sal_uInt8)(t)))<<24)) +#define COLORDATA_RED( n ) ((sal_uInt8)((n)>>16)) +#define COLORDATA_GREEN( n ) ((sal_uInt8)(((sal_uInt16)(n)) >> 8)) +#define COLORDATA_BLUE( n ) ((sal_uInt8)(n)) +#define COLORDATA_TRANSPARENCY( n ) ((sal_uInt8)((n)>>24)) +#define COLORDATA_RGB( n ) ((ColorData)((n) & 0x00FFFFFF)) + +#define COL_BLACK RGB_COLORDATA( 0x00, 0x00, 0x00 ) +#define COL_BLUE RGB_COLORDATA( 0x00, 0x00, 0x80 ) +#define COL_GREEN RGB_COLORDATA( 0x00, 0x80, 0x00 ) +#define COL_CYAN RGB_COLORDATA( 0x00, 0x80, 0x80 ) +#define COL_RED RGB_COLORDATA( 0x80, 0x00, 0x00 ) +#define COL_MAGENTA RGB_COLORDATA( 0x80, 0x00, 0x80 ) +#define COL_BROWN RGB_COLORDATA( 0x80, 0x80, 0x00 ) +#define COL_GRAY RGB_COLORDATA( 0x80, 0x80, 0x80 ) +#define COL_LIGHTGRAY RGB_COLORDATA( 0xC0, 0xC0, 0xC0 ) +#define COL_LIGHTBLUE RGB_COLORDATA( 0x00, 0x00, 0xFF ) +#define COL_LIGHTGREEN RGB_COLORDATA( 0x00, 0xFF, 0x00 ) +#define COL_LIGHTCYAN RGB_COLORDATA( 0x00, 0xFF, 0xFF ) +#define COL_LIGHTRED RGB_COLORDATA( 0xFF, 0x00, 0x00 ) +#define COL_LIGHTMAGENTA RGB_COLORDATA( 0xFF, 0x00, 0xFF ) +#define COL_LIGHTGRAYBLUE RGB_COLORDATA( 0xE0, 0xE0, 0xFF ) +#define COL_YELLOW RGB_COLORDATA( 0xFF, 0xFF, 0x00 ) +#define COL_WHITE RGB_COLORDATA( 0xFF, 0xFF, 0xFF ) +#define COL_TRANSPARENT TRGB_COLORDATA( 0xFF, 0xFF, 0xFF, 0xFF ) +#define COL_AUTO (ColorData)0xFFFFFFFF +#define COL_AUTHOR1_DARK RGB_COLORDATA(198, 146, 0) +#define COL_AUTHOR1_NORMAL RGB_COLORDATA(255, 255, 158) +#define COL_AUTHOR1_LIGHT RGB_COLORDATA(255, 255, 195) +#define COL_AUTHOR2_DARK RGB_COLORDATA(6, 70, 162) +#define COL_AUTHOR2_NORMAL RGB_COLORDATA(216, 232, 255) +#define COL_AUTHOR2_LIGHT RGB_COLORDATA(233, 242, 255) +#define COL_AUTHOR3_DARK RGB_COLORDATA(87, 157, 28) +#define COL_AUTHOR3_NORMAL RGB_COLORDATA(218, 248, 193) +#define COL_AUTHOR3_LIGHT RGB_COLORDATA(226, 250, 207) +#define COL_AUTHOR4_DARK RGB_COLORDATA(105, 43, 157) +#define COL_AUTHOR4_NORMAL RGB_COLORDATA(228, 210, 245) +#define COL_AUTHOR4_LIGHT RGB_COLORDATA(239, 228, 248) +#define COL_AUTHOR5_DARK RGB_COLORDATA(197, 0, 11) +#define COL_AUTHOR5_NORMAL RGB_COLORDATA(254, 205, 208) +#define COL_AUTHOR5_LIGHT RGB_COLORDATA(255, 227, 229) +#define COL_AUTHOR6_DARK RGB_COLORDATA(0, 128, 128) +#define COL_AUTHOR6_NORMAL RGB_COLORDATA(210, 246, 246) +#define COL_AUTHOR6_LIGHT RGB_COLORDATA(230, 250, 250) +#define COL_AUTHOR7_DARK RGB_COLORDATA(140, 132, 0) +#define COL_AUTHOR7_NORMAL RGB_COLORDATA(237, 252, 163) +#define COL_AUTHOR7_LIGHT RGB_COLORDATA(242, 254, 181) +#define COL_AUTHOR8_DARK RGB_COLORDATA(53, 85, 107) +#define COL_AUTHOR8_NORMAL RGB_COLORDATA(211, 222, 232) +#define COL_AUTHOR8_LIGHT RGB_COLORDATA(226, 234, 241) +#define COL_AUTHOR9_DARK RGB_COLORDATA(209, 118, 0) +#define COL_AUTHOR9_NORMAL RGB_COLORDATA(255, 226, 185) +#define COL_AUTHOR9_LIGHT RGB_COLORDATA(255, 231, 199) + +#define COLOR_CHANNEL_MERGE( _def_cDst, _def_cSrc, _def_cSrcTrans ) \ + ((sal_uInt8)((((long)(_def_cDst)-(_def_cSrc))*(_def_cSrcTrans)+(((_def_cSrc)<<8L)|(_def_cDst)))>>8L)) + +// Color + +class TOOLS_DLLPUBLIC SAL_WARN_UNUSED Color +{ +protected: + ColorData mnColor; + +public: + Color() { mnColor = COL_BLACK; } + Color( ColorData nColor ) { mnColor = nColor; } + Color( sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue ) + { mnColor = RGB_COLORDATA( nRed, nGreen, nBlue ); } + Color( sal_uInt8 nTransparency, sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue ) + { mnColor = TRGB_COLORDATA( nTransparency, nRed, nGreen, nBlue ); } + // This ctor is defined in svtools, not tools! + Color( const ResId& rResId ); + + // constructor to create a tools-Color from ::basegfx::BColor + explicit Color(const ::basegfx::BColor& rBColor) + { + mnColor = RGB_COLORDATA( + sal_uInt8((rBColor.getRed() * 255.0) + 0.5), + sal_uInt8((rBColor.getGreen() * 255.0) + 0.5), + sal_uInt8((rBColor.getBlue() * 255.0) + 0.5)); + } + + void SetRed( sal_uInt8 nRed ); + sal_uInt8 GetRed() const { return COLORDATA_RED( mnColor ); } + void SetGreen( sal_uInt8 nGreen ); + sal_uInt8 GetGreen() const { return COLORDATA_GREEN( mnColor ); } + void SetBlue( sal_uInt8 nBlue ); + sal_uInt8 GetBlue() const { return COLORDATA_BLUE( mnColor ); } + void SetTransparency( sal_uInt8 nTransparency ); + sal_uInt8 GetTransparency() const { return COLORDATA_TRANSPARENCY( mnColor ); } + + void SetColor( ColorData nColor ) { mnColor = nColor; } + ColorData GetColor() const { return mnColor; } + ColorData GetRGBColor() const { return COLORDATA_RGB( mnColor ); } + + sal_uInt8 GetColorError( const Color& rCompareColor ) const; + + sal_uInt8 GetLuminance() const; + void IncreaseLuminance( sal_uInt8 cLumInc ); + void DecreaseLuminance( sal_uInt8 cLumDec ); + + void DecreaseContrast( sal_uInt8 cContDec ); + + void Invert(); + + void Merge( const Color& rMergeColor, sal_uInt8 cTransparency ); + + sal_Bool IsRGBEqual( const Color& rColor ) const; + + // comparison with luminance thresholds + sal_Bool IsDark() const; + sal_Bool IsBright() const; + + // color space conversion tools + // the range for h/s/b is: + // Hue: 0-360 degree + // Saturation: 0-100 % + // Brightness: 0-100 % + static ColorData HSBtoRGB( sal_uInt16 nHue, sal_uInt16 nSat, sal_uInt16 nBri ); + void RGBtoHSB( sal_uInt16& nHue, sal_uInt16& nSat, sal_uInt16& nBri ) const; + + sal_Bool operator==( const Color& rColor ) const + { return (mnColor == rColor.mnColor); } + sal_Bool operator!=( const Color& rColor ) const + { return !(Color::operator==( rColor )); } + + SvStream& Read( SvStream& rIStm, sal_Bool bNewFormat = sal_True ); + SvStream& Write( SvStream& rOStm, sal_Bool bNewFormat = sal_True ); + + TOOLS_DLLPUBLIC friend SvStream& operator>>( SvStream& rIStream, Color& rColor ); + TOOLS_DLLPUBLIC friend SvStream& operator<<( SvStream& rOStream, const Color& rColor ); + + // get ::basegfx::BColor from this color + ::basegfx::BColor getBColor() const { return ::basegfx::BColor(GetRed() / 255.0, GetGreen() / 255.0, GetBlue() / 255.0); } +}; + +inline void Color::SetRed( sal_uInt8 nRed ) +{ + mnColor &= 0xFF00FFFF; + mnColor |= ((sal_uInt32)nRed)<<16; +} + +inline void Color::SetGreen( sal_uInt8 nGreen ) +{ + mnColor &= 0xFFFF00FF; + mnColor |= ((sal_uInt16)nGreen)<<8; +} + +inline void Color::SetBlue( sal_uInt8 nBlue ) +{ + mnColor &= 0xFFFFFF00; + mnColor |= nBlue; +} + +inline void Color::SetTransparency( sal_uInt8 nTransparency ) +{ + mnColor &= 0x00FFFFFF; + mnColor |= ((sal_uInt32)nTransparency)<<24; +} + +inline sal_Bool Color::IsRGBEqual( const Color& rColor ) const +{ + return (COLORDATA_RGB( mnColor ) == COLORDATA_RGB( rColor.mnColor )); +} + +inline sal_uInt8 Color::GetLuminance() const +{ + return( (sal_uInt8) ( ( COLORDATA_BLUE( mnColor ) * 29UL + + COLORDATA_GREEN( mnColor ) * 151UL + + COLORDATA_RED( mnColor ) * 76UL ) >> 8UL ) ); +} + +inline void Color::Merge( const Color& rMergeColor, sal_uInt8 cTransparency ) +{ + SetRed( COLOR_CHANNEL_MERGE( COLORDATA_RED( mnColor ), COLORDATA_RED( rMergeColor.mnColor ), cTransparency ) ); + SetGreen( COLOR_CHANNEL_MERGE( COLORDATA_GREEN( mnColor ), COLORDATA_GREEN( rMergeColor.mnColor ), cTransparency ) ); + SetBlue( COLOR_CHANNEL_MERGE( COLORDATA_BLUE( mnColor ), COLORDATA_BLUE( rMergeColor.mnColor ), cTransparency ) ); +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |