1 files changed, 217 insertions, 0 deletions
diff --git a/lib/kopainter/koColor.h b/lib/kopainter/koColor.h
new file mode 100644
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--- /dev/null
+++ b/lib/kopainter/koColor.h
@@ -0,0 +1,217 @@
+/* This file is part of the KDE project
+  Copyright (c) 1999 Matthias Elter ([email protected])
+  Copyright (c) 2001-2002 Igor Jansen ([email protected])
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#ifndef __ko_color_h__
+#define __ko_color_h__
+
+#include <qcolor.h>
+#include <koffice_export.h>
+class KOPAINTER_EXPORT KoColor
+{
+public:
+  enum cSpace{ csIndexed, csRGB, csHSV, csCMYK, csLab };
+
+  KoColor();
+  KoColor(int a, int b, int c,  cSpace m = csRGB);
+  KoColor(int c, int m, int y,  int k);
+  KoColor(const QString &name);
+  KoColor(const QColor &c);
+
+  cSpace native() const {return mNative; }
+
+  int R() const;
+  int G() const;
+  int B() const;
+  int H() const;
+  int S() const;
+  int V() const;
+  int L() const;
+  int a() const;
+  int b() const;
+  int C() const;
+  int M() const;
+  int Y() const;
+  int K() const;
+
+  void rgb(int *R, int *G, int *B) const;
+  void hsv(int *H, int *S, int *V) const;
+  void lab(int *L, int *a, int *b) const;
+  void cmyk(int *C, int *M, int *Y, int *K) const;
+  QString name() const;
+  QColor color() const;
+
+  void setRGB(int R, int G, int B);
+  void setHSV(int H, int S, int V);
+  void setLab(int L, int a, int b);
+  void setCMYK(int C, int M, int Y, int K);
+  void setNamedColor(const QString &name);
+  void setColor(const QColor &c);
+  
+  static void RGBtoHSV(int R, int G, int B, int *H, int *S, int *V);
+  static void RGBtoLAB(int R, int G, int B, int *L, int *a, int *b);
+  static void RGBtoCMYK(int R, int G, int B, int *C, int *M, int *Y, int *K);
+
+  static void HSVtoRGB(int H, int S, int V, int *R, int *G, int *B);
+  static void HSVtoLAB(int H, int S, int V, int *L, int *a, int *b);
+  static void HSVtoCMYK(int H, int S, int V, int *C, int *M, int *Y, int*K);
+
+  static void LABtoRGB(int L, int a, int b, int *R, int *G, int *B);
+  static void LABtoHSV(int L, int a, int b, int *H, int *S, int *V);
+  static void LABtoCMYK(int L, int a, int b, int *C, int *M, int *Y, int*K);
+
+  static void CMYKtoRGB(int C, int M, int Y, int K, int *R, int *G, int *B);
+  static void CMYKtoHSV(int C, int M, int Y, int K, int *H, int *S, int *V);
+  static void CMYKtoLAB(int C, int M, int Y, int K, int *L, int *a, int *b);
+
+  static const KoColor black();
+  static const KoColor white();
+  static const KoColor gray();
+  static const KoColor lightGray();
+  static const KoColor darkGray();
+  static const KoColor red();
+  static const KoColor darkRed();
+  static const KoColor green();
+  static const KoColor darkGreen();
+  static const KoColor blue();
+  static const KoColor darkBlue();
+  static const KoColor cyan();
+  static const KoColor darkCyan();
+  static const KoColor magenta();
+  static const KoColor darkMagenta();
+  static const KoColor yellow();
+  static const KoColor darkYellow();
+
+protected:
+  int hex2int(QChar c);
+
+  void calcRGB() const;
+  void calcHSV() const;
+  void calcCMYK() const;
+  void calcLAB() const;
+
+  void rgbChanged() const;
+  void hsvChanged() const;
+  void cmykChanged() const;
+  void labChanged() const;
+
+private:
+  /*
+   * Mutable to make it possible for const objects to transform the native cModel
+   * in functions like KoColor::rgb(...) to the requested.
+   */
+  mutable int mR, mG, mB;        // RGB
+  mutable int mC, mM, mY, mK;    // CMYK
+  mutable int mH, mS, mV;        // HSV
+  mutable int mL, ma, mb;        // LAB
+
+  mutable bool mRGBvalid;
+  mutable bool mHSVvalid;
+  mutable bool mCMYKvalid;
+  mutable bool mLABvalid;
+
+  cSpace mNative; 
+};
+
+inline const KoColor KoColor::white()
+{
+  return KoColor(255, 255, 255, csRGB);
+}
+
+inline const KoColor KoColor::black()
+{
+  return KoColor(0, 0, 0, csRGB);
+}
+
+inline const KoColor KoColor::gray()
+{
+  return KoColor(160, 160, 164, csRGB);
+}
+
+inline const KoColor KoColor::lightGray()
+{
+  return KoColor(192, 192, 192, csRGB);
+}
+
+inline const KoColor KoColor::darkGray()
+{
+  return KoColor(128, 128, 128, csRGB);
+}
+
+inline const KoColor KoColor::red()
+{
+  return KoColor(255, 0, 0, csRGB);
+}
+
+inline const KoColor KoColor::darkRed()
+{
+  return KoColor(128, 0, 0, csRGB);
+}
+
+inline const KoColor KoColor::green()
+{
+  return KoColor(0, 255, 0, csRGB);
+}
+
+inline const KoColor KoColor::darkGreen()
+{
+  return KoColor(0, 128, 0, csRGB);
+}
+
+inline const KoColor KoColor::blue()
+{
+  return KoColor(0, 0, 255, csRGB);
+}
+
+inline const KoColor KoColor::darkBlue()
+{
+  return KoColor(0, 0, 128, csRGB);
+}
+
+inline const KoColor KoColor::cyan()
+{
+  return KoColor(0, 255, 255, csRGB);
+}
+
+inline const KoColor KoColor::darkCyan()
+{
+  return KoColor(0, 128, 128, csRGB);
+}
+
+inline const KoColor KoColor::magenta()
+{
+  return KoColor(255, 0, 255, csRGB);
+}
+
+inline const KoColor KoColor::darkMagenta()
+{
+  return KoColor(128, 0, 128, csRGB);
+}
+
+inline const KoColor KoColor::yellow()
+{
+  return KoColor(255, 255, 0, csRGB);
+}
+
+inline const KoColor KoColor::darkYellow()
+{
+  return KoColor(128, 128, 0, csRGB);
+}
+
+#endif