1/*
2 * Copyright 2017 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#include "SkCanvas.h"
9#include "SkPaint.h"
10#include "SkRRect.h"
11#include "gm.h"
12
13DEF_SIMPLE_GM(drrect_small_inner, canvas, 170, 610) {
14    SkPaint paint;
15    paint.setAntiAlias(true);
16    static constexpr SkScalar kOuterRadius = 35.f;
17    auto outer = SkRRect::MakeOval(SkRect::MakeXYWH(0, 0, 2 * kOuterRadius, 2 * kOuterRadius));
18    canvas->translate(10.f, 10.f);
19    canvas->save();
20    for (bool offcenter : {false, true}) {
21        for (bool oval : {false, true}) {
22            for (SkScalar innerRadiusX : {1.f, 0.5f, 0.1f, .01f}) {
23                SkScalar innerRadiusY = innerRadiusX;
24                if (oval) {
25                    innerRadiusY *= 0.95f;
26                }
27                SkScalar tx = kOuterRadius - innerRadiusX;
28                SkScalar ty = kOuterRadius - innerRadiusY;
29                if (offcenter) {
30                    tx += 1.f;
31                }
32                auto inner = SkRRect::MakeOval(
33                        SkRect::MakeXYWH(tx, ty, 2 * innerRadiusX, 2 * innerRadiusY));
34                canvas->drawDRRect(outer, inner, paint);
35                canvas->translate(0, 2 * kOuterRadius + 5);
36            }
37        }
38        canvas->restore();
39        canvas->translate(2 * kOuterRadius + 2, 0);
40    }
41    canvas->restore();
42}
43