lib Library API Documentation

koColor.h

00001 /* This file is part of the KDE project 00002 Copyright (c) 1999 Matthias Elter (me@kde.org) 00003 Copyright (c) 2001-2002 Igor Jansen (rm@kde.org) 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public License 00016 along with this library; see the file COPYING.LIB. If not, write to 00017 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00018 Boston, MA 02111-1307, USA. 00019 */ 00020 00021 #ifndef __ko_color_h__ 00022 #define __ko_color_h__ 00023 00024 #include <qcolor.h> 00025 00026 class KoColor 00027 { 00028 public: 00029 enum cSpace{ csIndexed, csRGB, csHSV, csCMYK, csLab }; 00030 00031 KoColor(); 00032 KoColor(int a, int b, int c, cSpace m = csRGB); 00033 KoColor(int c, int m, int y, int k); 00034 KoColor(const QString &name); 00035 KoColor(const QColor &c); 00036 00037 cSpace native() const {return mNative; } 00038 00039 int R() const; 00040 int G() const; 00041 int B() const; 00042 int H() const; 00043 int S() const; 00044 int V() const; 00045 int L() const; 00046 int a() const; 00047 int b() const; 00048 int C() const; 00049 int M() const; 00050 int Y() const; 00051 int K() const; 00052 00053 void rgb(int *R, int *G, int *B) const; 00054 void hsv(int *H, int *S, int *V) const; 00055 void lab(int *L, int *a, int *b) const; 00056 void cmyk(int *C, int *M, int *Y, int *K) const; 00057 QString name() const; 00058 QColor color() const; 00059 00060 void setRGB(int R, int G, int B); 00061 void setHSV(int H, int S, int V); 00062 void setLab(int L, int a, int b); 00063 void setCMYK(int C, int M, int Y, int K); 00064 void setNamedColor(const QString &name); 00065 void setColor(const QColor &c); 00066 00067 static void RGBtoHSV(int R, int G, int B, int *H, int *S, int *V); 00068 static void RGBtoLAB(int R, int G, int B, int *L, int *a, int *b); 00069 static void RGBtoCMYK(int R, int G, int B, int *C, int *M, int *Y, int *K); 00070 00071 static void HSVtoRGB(int H, int S, int V, int *R, int *G, int *B); 00072 static void HSVtoLAB(int H, int S, int V, int *L, int *a, int *b); 00073 static void HSVtoCMYK(int H, int S, int V, int *C, int *M, int *Y, int*K); 00074 00075 static void LABtoRGB(int L, int a, int b, int *R, int *G, int *B); 00076 static void LABtoHSV(int L, int a, int b, int *H, int *S, int *V); 00077 static void LABtoCMYK(int L, int a, int b, int *C, int *M, int *Y, int*K); 00078 00079 static void CMYKtoRGB(int C, int M, int Y, int K, int *R, int *G, int *B); 00080 static void CMYKtoHSV(int C, int M, int Y, int K, int *H, int *S, int *V); 00081 static void CMYKtoLAB(int C, int M, int Y, int K, int *L, int *a, int *b); 00082 00083 static const KoColor black(); 00084 static const KoColor white(); 00085 static const KoColor gray(); 00086 static const KoColor lightGray(); 00087 static const KoColor darkGray(); 00088 static const KoColor red(); 00089 static const KoColor darkRed(); 00090 static const KoColor green(); 00091 static const KoColor darkGreen(); 00092 static const KoColor blue(); 00093 static const KoColor darkBlue(); 00094 static const KoColor cyan(); 00095 static const KoColor darkCyan(); 00096 static const KoColor magenta(); 00097 static const KoColor darkMagenta(); 00098 static const KoColor yellow(); 00099 static const KoColor darkYellow(); 00100 00101 protected: 00102 int hex2int(QChar c); 00103 00104 void calcRGB() const; 00105 void calcHSV() const; 00106 void calcCMYK() const; 00107 void calcLAB() const; 00108 00109 void rgbChanged() const; 00110 void hsvChanged() const; 00111 void cmykChanged() const; 00112 void labChanged() const; 00113 00114 private: 00115 /* 00116 * Mutable to make it possible for const objects to transform the native cModel 00117 * in functions like KoColor::rgb(...) to the requested. 00118 */ 00119 mutable int mR, mG, mB; // RGB 00120 mutable int mC, mM, mY, mK; // CMYK 00121 mutable int mH, mS, mV; // HSV 00122 mutable int mL, ma, mb; // LAB 00123 00124 mutable bool mRGBvalid; 00125 mutable bool mHSVvalid; 00126 mutable bool mCMYKvalid; 00127 mutable bool mLABvalid; 00128 00129 cSpace mNative; 00130 }; 00131 00132 inline const KoColor KoColor::white() 00133 { 00134 return KoColor(255, 255, 255, csRGB); 00135 } 00136 00137 inline const KoColor KoColor::black() 00138 { 00139 return KoColor(0, 0, 0, csRGB); 00140 } 00141 00142 inline const KoColor KoColor::gray() 00143 { 00144 return KoColor(160, 160, 164, csRGB); 00145 } 00146 00147 inline const KoColor KoColor::lightGray() 00148 { 00149 return KoColor(192, 192, 192, csRGB); 00150 } 00151 00152 inline const KoColor KoColor::darkGray() 00153 { 00154 return KoColor(128, 128, 128, csRGB); 00155 } 00156 00157 inline const KoColor KoColor::red() 00158 { 00159 return KoColor(255, 0, 0, csRGB); 00160 } 00161 00162 inline const KoColor KoColor::darkRed() 00163 { 00164 return KoColor(128, 0, 0, csRGB); 00165 } 00166 00167 inline const KoColor KoColor::green() 00168 { 00169 return KoColor(0, 255, 0, csRGB); 00170 } 00171 00172 inline const KoColor KoColor::darkGreen() 00173 { 00174 return KoColor(0, 128, 0, csRGB); 00175 } 00176 00177 inline const KoColor KoColor::blue() 00178 { 00179 return KoColor(0, 0, 255, csRGB); 00180 } 00181 00182 inline const KoColor KoColor::darkBlue() 00183 { 00184 return KoColor(0, 0, 128, csRGB); 00185 } 00186 00187 inline const KoColor KoColor::cyan() 00188 { 00189 return KoColor(0, 255, 255, csRGB); 00190 } 00191 00192 inline const KoColor KoColor::darkCyan() 00193 { 00194 return KoColor(0, 128, 128, csRGB); 00195 } 00196 00197 inline const KoColor KoColor::magenta() 00198 { 00199 return KoColor(255, 0, 255, csRGB); 00200 } 00201 00202 inline const KoColor KoColor::darkMagenta() 00203 { 00204 return KoColor(128, 0, 128, csRGB); 00205 } 00206 00207 inline const KoColor KoColor::yellow() 00208 { 00209 return KoColor(255, 255, 0, csRGB); 00210 } 00211 00212 inline const KoColor KoColor::darkYellow() 00213 { 00214 return KoColor(128, 128, 0, csRGB); 00215 } 00216 00217 #endif
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This file is part of the documentation for lib Library Version 1.3.5.
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