koColor.h
1/* This file is part of the KDE project
2 Copyright (c) 1999 Matthias Elter (me@kde.org)
3 Copyright (c) 2001-2002 Igor Jansen (rm@kde.org)
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public License
16 along with this library; see the file COPYING.LIB. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19*/
20
21#ifndef __ko_color_h__
22#define __ko_color_h__
23
24#include <tqcolor.h>
25#include <koffice_export.h>
26class KOPAINTER_EXPORT KoColor
27{
28public:
29 enum cSpace{ csIndexed, csRGB, csHSV, csCMYK, csLab };
30
31 KoColor();
32 KoColor(int a, int b, int c, cSpace m = csRGB);
33 KoColor(int c, int m, int y, int k);
34 KoColor(const TQString &name);
35 KoColor(const TQColor &c);
36
37 cSpace native() const {return mNative; }
38
39 int R() const;
40 int G() const;
41 int B() const;
42 int H() const;
43 int S() const;
44 int V() const;
45 int L() const;
46 int a() const;
47 int b() const;
48 int C() const;
49 int M() const;
50 int Y() const;
51 int K() const;
52
53 void rgb(int *R, int *G, int *B) const;
54 void hsv(int *H, int *S, int *V) const;
55 void lab(int *L, int *a, int *b) const;
56 void cmyk(int *C, int *M, int *Y, int *K) const;
57 TQString name() const;
58 TQColor color() const;
59
60 void setRGB(int R, int G, int B);
61 void setHSV(int H, int S, int V);
62 void setLab(int L, int a, int b);
63 void setCMYK(int C, int M, int Y, int K);
64 void setNamedColor(const TQString &name);
65 void setColor(const TQColor &c);
66
67 static void RGBtoHSV(int R, int G, int B, int *H, int *S, int *V);
68 static void RGBtoLAB(int R, int G, int B, int *L, int *a, int *b);
69 static void RGBtoCMYK(int R, int G, int B, int *C, int *M, int *Y, int *K);
70
71 static void HSVtoRGB(int H, int S, int V, int *R, int *G, int *B);
72 static void HSVtoLAB(int H, int S, int V, int *L, int *a, int *b);
73 static void HSVtoCMYK(int H, int S, int V, int *C, int *M, int *Y, int*K);
74
75 static void LABtoRGB(int L, int a, int b, int *R, int *G, int *B);
76 static void LABtoHSV(int L, int a, int b, int *H, int *S, int *V);
77 static void LABtoCMYK(int L, int a, int b, int *C, int *M, int *Y, int*K);
78
79 static void CMYKtoRGB(int C, int M, int Y, int K, int *R, int *G, int *B);
80 static void CMYKtoHSV(int C, int M, int Y, int K, int *H, int *S, int *V);
81 static void CMYKtoLAB(int C, int M, int Y, int K, int *L, int *a, int *b);
82
83 static const KoColor black();
84 static const KoColor white();
85 static const KoColor gray();
86 static const KoColor lightGray();
87 static const KoColor darkGray();
88 static const KoColor red();
89 static const KoColor darkRed();
90 static const KoColor green();
91 static const KoColor darkGreen();
92 static const KoColor blue();
93 static const KoColor darkBlue();
94 static const KoColor cyan();
95 static const KoColor darkCyan();
96 static const KoColor magenta();
97 static const KoColor darkMagenta();
98 static const KoColor yellow();
99 static const KoColor darkYellow();
100
101protected:
102 int hex2int(TQChar c);
103
104 void calcRGB() const;
105 void calcHSV() const;
106 void calcCMYK() const;
107 void calcLAB() const;
108
109 void rgbChanged() const;
110 void hsvChanged() const;
111 void cmykChanged() const;
112 void labChanged() const;
113
114private:
115 /*
116 * Mutable to make it possible for const objects to transform the native cModel
117 * in functions like KoColor::rgb(...) to the requested.
118 */
119 mutable int mR, mG, mB; // RGB
120 mutable int mC, mM, mY, mK; // CMYK
121 mutable int mH, mS, mV; // HSV
122 mutable int mL, ma, mb; // LAB
123
124 mutable bool mRGBvalid;
125 mutable bool mHSVvalid;
126 mutable bool mCMYKvalid;
127 mutable bool mLABvalid;
128
129 cSpace mNative;
130};
131
132inline const KoColor KoColor::white()
133{
134 return KoColor(255, 255, 255, csRGB);
135}
136
137inline const KoColor KoColor::black()
138{
139 return KoColor(0, 0, 0, csRGB);
140}
141
142inline const KoColor KoColor::gray()
143{
144 return KoColor(160, 160, 164, csRGB);
145}
146
147inline const KoColor KoColor::lightGray()
148{
149 return KoColor(192, 192, 192, csRGB);
150}
151
152inline const KoColor KoColor::darkGray()
153{
154 return KoColor(128, 128, 128, csRGB);
155}
156
157inline const KoColor KoColor::red()
158{
159 return KoColor(255, 0, 0, csRGB);
160}
161
162inline const KoColor KoColor::darkRed()
163{
164 return KoColor(128, 0, 0, csRGB);
165}
166
167inline const KoColor KoColor::green()
168{
169 return KoColor(0, 255, 0, csRGB);
170}
171
172inline const KoColor KoColor::darkGreen()
173{
174 return KoColor(0, 128, 0, csRGB);
175}
176
177inline const KoColor KoColor::blue()
178{
179 return KoColor(0, 0, 255, csRGB);
180}
181
182inline const KoColor KoColor::darkBlue()
183{
184 return KoColor(0, 0, 128, csRGB);
185}
186
187inline const KoColor KoColor::cyan()
188{
189 return KoColor(0, 255, 255, csRGB);
190}
191
192inline const KoColor KoColor::darkCyan()
193{
194 return KoColor(0, 128, 128, csRGB);
195}
196
197inline const KoColor KoColor::magenta()
198{
199 return KoColor(255, 0, 255, csRGB);
200}
201
202inline const KoColor KoColor::darkMagenta()
203{
204 return KoColor(128, 0, 128, csRGB);
205}
206
207inline const KoColor KoColor::yellow()
208{
209 return KoColor(255, 255, 0, csRGB);
210}
211
212inline const KoColor KoColor::darkYellow()
213{
214 return KoColor(128, 128, 0, csRGB);
215}
216
217#endif
KStdAction::name
const char * name(StdAction id)