1/*
2 * Copyright 2018 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkRRectPriv_DEFINED
9#define SkRRectPriv_DEFINED
10
11#include "SkRRect.h"
12
13class SkRRectPriv {
14public:
15    static bool IsCircle(const SkRRect& rr) {
16        return rr.isOval() && SkScalarNearlyEqual(rr.fRadii[0].fX, rr.fRadii[0].fY);
17    }
18
19    static SkVector GetSimpleRadii(const SkRRect& rr) {
20        SkASSERT(!rr.isComplex());
21        return rr.fRadii[0];
22    }
23
24    static bool IsSimpleCircular(const SkRRect& rr) {
25        return rr.isSimple() && SkScalarNearlyEqual(rr.fRadii[0].fX, rr.fRadii[0].fY);
26    }
27
28    static bool EqualRadii(const SkRRect& rr) {
29        return rr.isRect() || SkRRectPriv::IsCircle(rr)  || SkRRectPriv::IsSimpleCircular(rr);
30    }
31
32    static bool AllCornersCircular(const SkRRect& rr, SkScalar tolerance = SK_ScalarNearlyZero);
33};
34
35#endif
36
37