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 "gm/gm.h" 9 #include "include/core/SkCanvas.h" 10 #include "include/core/SkPaint.h" 11 #include "include/core/SkRRect.h" 12 #include "include/core/SkRect.h" 13 #include "include/core/SkScalar.h" 14 15 #include <initializer_list> 16 17 DEF_SIMPLE_GM(drrect_small_inner, canvas, 170, 610) { 18 SkPaint paint; 19 paint.setAntiAlias(true); 20 static constexpr SkScalar kOuterRadius = 35.f; 21 auto outer = SkRRect::MakeOval(SkRect::MakeXYWH(0, 0, 2 * kOuterRadius, 2 * kOuterRadius)); 22 canvas->translate(10.f, 10.f); 23 canvas->save(); 24 for (bool offcenter : {false, true}) { 25 for (bool oval : {false, true}) { 26 for (SkScalar innerRadiusX : {1.f, 0.5f, 0.1f, .01f}) { 27 SkScalar innerRadiusY = innerRadiusX; 28 if (oval) { 29 innerRadiusY *= 0.95f; 30 } 31 SkScalar tx = kOuterRadius - innerRadiusX; 32 SkScalar ty = kOuterRadius - innerRadiusY; 33 if (offcenter) { 34 tx += 1.f; 35 } 36 auto inner = SkRRect::MakeOval( 37 SkRect::MakeXYWH(tx, ty, 2 * innerRadiusX, 2 * innerRadiusY)); 38 canvas->drawDRRect(outer, inner, paint); 39 canvas->translate(0, 2 * kOuterRadius + 5); 40 } 41 } 42 canvas->restore(); 43 canvas->translate(2 * kOuterRadius + 2, 0); 44 } 45 canvas->restore(); 46 } 47