1 files changed, 89 insertions, 0 deletions
diff --git a/src/pmview/colorscale.h b/src/pmview/colorscale.h
new file mode 100644
index 0000000..5578092
--- /dev/null
+++ b/src/pmview/colorscale.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 1997 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2009 Aconex.  All Rights Reserved.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program 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 General Public License
+ * for more details.
+ */
+#ifndef _COLORSCALE_H
+#define _COLORSCALE_H
+
+#include <Inventor/SbColor.h>
+#include <QtCore/QTextStream>
+#include <QtCore/QList>
+
+class ColorStep
+{
+private:
+
+    SbColor	_color;
+    float	_min;
+
+public:
+
+    ~ColorStep();
+
+    ColorStep(SbColor col, float val = 0.0);
+    ColorStep(float r, float g, float b, float val = 0.0);
+    ColorStep(uint32_t col, float val = 0.0);
+    ColorStep(const ColorStep &rhs);
+
+    const ColorStep &operator=(const ColorStep &);
+
+    const SbColor &color() const
+    	{ return _color; }
+    SbColor &color()
+    	{ return _color; }
+
+    const float &min() const
+    	{ return _min; }
+    float &min()
+    	{ return _min; }
+};
+
+typedef QList<ColorStep *> ColorStepList;
+
+class ColorScale
+{
+private:
+
+    ColorStepList	_colors;
+
+public:
+
+    ~ColorScale();
+
+    ColorScale(const SbColor &col);
+    ColorScale(float r, float g, float b);
+    ColorScale(uint32_t col);
+    ColorScale(const ColorScale &);
+    const ColorScale &operator=(const ColorScale &);
+
+    int numSteps() const
+	{ return _colors.size(); }
+
+    int add(ColorStep *ptr);
+
+    const ColorStep &operator[](int i) const
+	{ return *(_colors[i]); }
+    ColorStep &operator[](int i)
+	{ return *(_colors[i]); }
+
+    const ColorStep &step(float);
+
+    friend QTextStream &operator<<(QTextStream &os, const ColorScale &rhs);
+
+private:
+
+    ColorScale();
+    // Not defined
+};
+
+#endif /* _COLORSCALE_H */