Outset the stroke width when computing the bounds for drawing a stroked rect, or 1 if it's a hairli…

src/core/SkDraw.cpp

Index: src/core/SkDraw.cpp
diff --git a/src/core/SkDraw.cpp b/src/core/SkDraw.cpp
index 3532efd7e5e5e7d9fd27fd57754fea2610760465..4b878ba2b1252e2711205cc1252e47aa84e01395 100644
--- a/src/core/SkDraw.cpp
+++ b/src/core/SkDraw.cpp
@@ -817,7 +817,12 @@ void SkDraw::drawRect(const SkRect& rect, const SkPaint& paint) const {
     devRect.roundOut(&ir);
     if (paint.getStyle() != SkPaint::kFill_Style) {
         // extra space for hairlines
-        ir.inset(-1, -1);
+        if (paint.getStrokeWidth() == 0) {
+            ir.outset(1, 1);
+        } else {
+            SkScalar radius = SkScalarHalf(paint.getStrokeWidth());
+            ir.outset(radius, radius);
+        }
     }
     if (fRC->quickReject(ir)) {
         return;