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diff --git a/source/rice_gles/src/IColor.h b/source/rice_gles/src/IColor.h
new file mode 100644
index 0000000..179f6c0
--- /dev/null
+++ b/source/rice_gles/src/IColor.h
@@ -0,0 +1,191 @@
+/*
+Copyright (C) 2003 Rice1964
+
+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.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#ifndef _ICOLOR_H_
+#define _ICOLOR_H_
+
+#ifndef min
+#define min(a,b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef max
+#define max(a,b) ((a) > (b) ? (a) : (b))
+#endif
+
+class IColor {
+public:
+    uint8 r;
+    uint8 g;
+    uint8 b;
+    uint8 a;
+
+    IColor(COLOR rgba)
+    {
+        *((COLOR*)this) = rgba;
+    }
+
+    IColor()
+    {
+        *((COLOR*)this) = 0;
+    }
+
+    IColor(XCOLOR &rgba)
+    {
+        *((COLOR*)this) = (unsigned int) rgba;
+    }
+
+    inline IColor operator = (const IColor &sec) const
+    {
+        *((COLOR*)this) = *((COLOR*)&sec);
+        return *this;
+    }
+
+    inline IColor operator = (COLOR col) const
+    {
+        *((COLOR*)this) = col;
+        return *this;
+    }
+
+    inline IColor operator + (const IColor &sec) const
+    {
+        IColor newc;
+        newc.r = (uint8)min((unsigned int) r + (unsigned int) sec.r, 0xFF);
+        newc.g = (uint8)min((unsigned int) g + (unsigned int) sec.g, 0xFF);
+        newc.b = (uint8)min((unsigned int) b + (unsigned int) sec.b, 0xFF);
+        newc.a = (uint8)min((unsigned int) a + (unsigned int) sec.a, 0xFF);
+
+        return newc;
+    }
+
+    inline IColor operator - (const IColor &sec) const
+    {
+        IColor newc;
+        newc.r = max(int(r)-int(sec.r),0);
+        newc.g = max(int(g)-int(sec.g),0);
+        newc.b = max(int(b)-int(sec.b),0);
+        newc.a = max(int(a)-int(sec.a),0);
+
+        return newc;
+    }
+    inline IColor operator * (const IColor &sec) const
+    {
+        IColor newc;
+        newc.r = (uint8)min((unsigned int) r * (unsigned int) sec.r / 256,255);
+        newc.g = (uint8)min((unsigned int) g * (unsigned int) sec.g / 256,255);
+        newc.b = (uint8)min((unsigned int) b * (unsigned int) sec.b / 256,255);
+        newc.a = (uint8)min((unsigned int) a * (unsigned int) sec.a / 256,255);
+        return newc;
+    }
+
+    inline IColor& operator += (const IColor &sec)
+    {
+        r = uint8(min((unsigned int) r + (unsigned int) sec.r, 255));
+        g = uint8(min((unsigned int) g + (unsigned int) sec.g, 255));
+        b = uint8(min((unsigned int) b + (unsigned int) sec.b, 255));
+        a = uint8(min((unsigned int) a + (unsigned int) sec.a, 255));
+        return *this;
+    }
+
+    inline IColor& operator -= (const IColor &sec)
+    {
+        r = uint8(max(int(r)-int(sec.r),0));
+        g = uint8(max(int(g)-int(sec.g),0));
+        b = uint8(max(int(b)-int(sec.b),0));
+        a = uint8(max(int(a)-int(sec.a),0));
+        return *this;
+    }
+
+    inline IColor& operator *= (const IColor &sec)
+    {
+        r = uint8(min((unsigned int) r * (unsigned int) sec.r / 256,255));
+        g = uint8(min((unsigned int) g * (unsigned int) sec.g / 256,255));
+        b = uint8(min((unsigned int) b * (unsigned int) sec.b / 256,255));
+        a = uint8(min((unsigned int) a * (unsigned int) sec.a / 256,255));
+        return *this;
+    }
+    
+    inline IColor& operator += (XCOLOR val)
+    {
+        IColor newc(val);
+        return this->operator += (newc);
+    }
+
+    inline IColor& operator -= (XCOLOR val)
+    {
+        IColor newc(val);
+        return this->operator-=(newc);
+    }
+
+    inline IColor& operator *= (XCOLOR val)
+    {
+        IColor newc(val);
+        return this->operator*=(newc);
+    }
+
+    inline IColor operator + (XCOLOR val) const
+    {
+        IColor newc(val);
+        return this->operator+(newc);
+    }
+
+    inline IColor operator - (XCOLOR val) const
+    {
+        IColor newc(val);
+        return this->operator-(newc);
+    }
+
+    inline IColor operator * (XCOLOR val) const
+    {
+        IColor newc(val);
+        return this->operator*(newc);
+    }
+
+    inline operator COLOR() const
+    {
+        return *((COLOR*)this);
+    }
+
+    inline operator XCOLOR() const
+    {
+        XCOLOR rgba;
+        rgba.r = (float)r/256.0f;
+        rgba.g = (float)g/256.0f;
+        rgba.b = (float)b/256.0f;
+        rgba.a = (float)a/256.0f;
+
+        return rgba;
+    }
+
+    inline void Complement()
+    {
+        r = 0xFF-r;
+        g = 0xFF-g;
+        b = 0xFF-b;
+        a = 0xFF-a;
+    }
+
+    inline void AlphaReplicate()
+    {
+        r=g=b=a;
+    }
+};
+
+
+#endif
+
+