fixed range problem for changeBrushColor function

Author: vivek-30

src/renderers/RealDrawBoard/tools/gradientBrush.ts

@@ -35,7 +35,6 @@ export function _doStroke(
 ) {
   hue = (hue+1)%360;
   gradientColors = convertHSLToRGB(hue,90,40);
-  // this.changeBrushColor(gradientColors);
   this._plot(coords[0], coords[1], this.brushSize, gradientColors);
   this._stroke(coords[0], coords[1], this.brushSize, gradientColors, identifier);
 }

src/util/convertForm.ts

@@ -55,9 +55,9 @@ export function convertHSLToRGB(h: number, s: number, l: number) :[ number ,numb
         r = c; g = 0; b = x;
     }
 
-    r = Math.round((r + m) * 255);
-    g = Math.round((g + m) * 255);
-    b = Math.round((b + m) * 255);
+    r = Math.round((r + m));
+    g = Math.round((g + m));
+    b = Math.round((b + m));
 
     return [ r ,g ,b ];
 }