C \ # RGB 회전 CMYK

1329 단어 cC#byteBT
호출:
Color c=...;
byte[] cmyk=RGBToCMY(c.R, c.G, c.B);
 
        byte[] RGBToCMY(byte red, byte green, byte blue)//RGB CMY  
        {
            byte cyan = (byte)255 - red;
            byte magenta = (byte)255- green;
            byte yellow = (byte)255 - blue;
            return CorrectCMYK(cyan, magenta, yellow, (byte)20);//     
        }
        byte[] CorrectCMYK(byte cyan, byte magenta, byte yellow, byte rep_v)//      
        {
            byte temp = Math.Min(Math.Min(cyan, magenta), yellow);
            byte rep_k, rep_c, rep_m, rep_y;
            if (temp != 0)
            {
                byte temp2 = (byte)((rep_v / 100.0) * temp+0.9);
                rep_k = (byte)(temp2 / 255.0 * 100+0.9);
                rep_c = (byte)((cyan - temp2) / 255.0 * 100+0.9);
                rep_m = (byte)((magenta - temp2) / 255.0 * 100+0.9);
                rep_y = (byte)((yellow - temp2) / 255.0 * 100+0.9);
            }
            else
            {
                rep_c = (byte)(cyan / 255.0 * 100+0.9);
                rep_m = (byte)(magenta / 255.0 * 100+0.9);
                rep_y = (byte)(yellow / 255.0 * 100+0.9);
                rep_k = 0;
            }
            byte[] bt = new byte[4] { rep_c, rep_m, rep_y, rep_k };
            return bt;
        } 

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