remove stroke rounding

src/Shape.ts

@@ -198,9 +198,7 @@ export class Shape<
   }
 
   getContext() {
-    Util.warn(
+    Util.warn('shape.getContext() method is deprecated. Please do not use it.');
-      'shape.getContext() method is deprecated. Please do not use it.'
-    );
     return this.getLayer().getContext();
   }
   getCanvas() {
@@ -537,22 +535,15 @@ export class Shape<
     const width = preWidth + blurRadius * 2;
     const height = preHeight + blurRadius * 2;
 
-    // if stroke, for example = 3
-    // we need to set x to 1.5, but after Math.round it will be 2
-    // as we have additional offset we need to increase width and height by 1 pixel
-    let roundingOffset = 0;
-    if (Math.round(strokeWidth / 2) !== strokeWidth / 2) {
-      roundingOffset = 1;
-    }
     const rect = {
-      width: width + roundingOffset,
+      width,
-      height: height + roundingOffset,
+      height,
       x:
-        -Math.round(strokeWidth / 2 + blurRadius) +
+        -(strokeWidth / 2 + blurRadius) +
         Math.min(shadowOffsetX, 0) +
         fillRect.x,
       y:
-        -Math.round(strokeWidth / 2 + blurRadius) +
+        -(strokeWidth / 2 + blurRadius) +
         Math.min(shadowOffsetY, 0) +
         fillRect.y,
     };