Create RGB To Hex Conversion.cpp

Author: Ducanger

5-kyu/RGB To Hex Conversion.cpp

@@ -0,0 +1,24 @@
+using namespace std;
+
+class RGBToHex
+{
+ public:
+ static std::string rgb(int r, int g, int b);
+};
+
+string toHexadecimal(int n)
+{
+ char d[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+ string s = "";
+ if ( n < 0 ) s += "00";
+ else if ( n < 16 ) s += '0';
+ else if ( n < 256 ) s += d[n/16];
+ else s += "FF";
+ if ( n >= 0 && n < 256 ) s += d[n%16];
+ return s;
+}
+
+string RGBToHex::rgb(int r, int g, int b)
+{
+ return ( toHexadecimal(r) + toHexadecimal(g) + toHexadecimal(b));
+}