1 /* 2 * Copyright 2014 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/SkPoint.h" 12 #include "include/core/SkRRect.h" 13 #include "include/core/SkRect.h" 14 #include "include/core/SkScalar.h" 15 #include "include/core/SkSize.h" 16 #include "include/core/SkString.h" 17 #include "include/core/SkTypes.h" 18 19 class DRRectGM : public skiagm::GM { 20 public: DRRectGM()21 DRRectGM() {} 22 23 protected: 24 onShortName()25 SkString onShortName() override { 26 return SkString("drrect"); 27 } 28 onISize()29 SkISize onISize() override { 30 return SkISize::Make(640, 480); 31 } 32 onDraw(SkCanvas * canvas)33 void onDraw(SkCanvas* canvas) override { 34 SkPaint paint; 35 paint.setAntiAlias(true); 36 37 SkRRect outers[4]; 38 // like squares/circles, to exercise fast-cases in GPU 39 SkRect r = { 0, 0, 100, 100 }; 40 SkVector radii[4] = { 41 { 0, 0 }, { 30, 1 }, { 10, 40 }, { 40, 40 } 42 }; 43 44 const SkScalar dx = r.width() + 16; 45 const SkScalar dy = r.height() + 16; 46 47 outers[0].setRect(r); 48 outers[1].setOval(r); 49 outers[2].setRectXY(r, 20, 20); 50 outers[3].setRectRadii(r, radii); 51 52 SkRRect inners[5]; 53 r.inset(25, 25); 54 55 inners[0].setEmpty(); 56 inners[1].setRect(r); 57 inners[2].setOval(r); 58 inners[3].setRectXY(r, 20, 20); 59 inners[4].setRectRadii(r, radii); 60 61 canvas->translate(16, 16); 62 for (size_t j = 0; j < std::size(inners); ++j) { 63 for (size_t i = 0; i < std::size(outers); ++i) { 64 canvas->save(); 65 canvas->translate(dx * j, dy * i); 66 canvas->drawDRRect(outers[i], inners[j], paint); 67 canvas->restore(); 68 } 69 } 70 } 71 72 private: 73 using INHERITED = GM; 74 }; 75 76 DEF_GM( return new DRRectGM; ) 77