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| 1 /* |
| 2 * Copyright 2015 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.h" |
| 9 #include "SkCanvas.h" |
| 10 #include "SkTArray.h" |
| 11 |
| 12 namespace skiagm { |
| 13 |
| 14 // this GM tests hairlines which fill nearly the entire render target |
| 15 class StLouisArchGM : public GM { |
| 16 protected: |
| 17 SkString onShortName() SK_OVERRIDE { |
| 18 return SkString("stlouisarch"); |
| 19 } |
| 20 |
| 21 SkISize onISize() SK_OVERRIDE { return SkISize::Make((int)kWidth, (int)kHeig
ht); } |
| 22 |
| 23 void onOnceBeforeDraw() SK_OVERRIDE { |
| 24 { |
| 25 SkPath* bigQuad = &fPaths.push_back(); |
| 26 bigQuad->moveTo(0, 0); |
| 27 bigQuad->quadTo(kWidth/2, kHeight, kWidth, 0); |
| 28 } |
| 29 |
| 30 { |
| 31 SkPath* degenBigQuad = &fPaths.push_back(); |
| 32 SkScalar yPos = kHeight / 2 + 10; |
| 33 degenBigQuad->moveTo(0, yPos); |
| 34 degenBigQuad->quadTo(0, yPos, kWidth, yPos); |
| 35 } |
| 36 |
| 37 |
| 38 { |
| 39 SkPath* bigCubic = &fPaths.push_back(); |
| 40 bigCubic->moveTo(0, 0); |
| 41 bigCubic->cubicTo(0, kHeight, |
| 42 kWidth, kHeight, |
| 43 kWidth, 0); |
| 44 } |
| 45 |
| 46 { |
| 47 SkPath* degenBigCubic = &fPaths.push_back(); |
| 48 SkScalar yPos = kHeight / 2; |
| 49 degenBigCubic->moveTo(0, yPos); |
| 50 degenBigCubic->cubicTo(0, yPos, |
| 51 0, yPos, |
| 52 kWidth, yPos); |
| 53 } |
| 54 |
| 55 { |
| 56 SkPath* bigConic = &fPaths.push_back(); |
| 57 bigConic->moveTo(0, 0); |
| 58 bigConic->conicTo(kWidth/2, kHeight, kWidth, 0, .5); |
| 59 } |
| 60 |
| 61 { |
| 62 SkPath* degenBigConic = &fPaths.push_back(); |
| 63 SkScalar yPos = kHeight / 2 - 10; |
| 64 degenBigConic->moveTo(0, yPos); |
| 65 degenBigConic->conicTo(0, yPos, kWidth, yPos, .5); |
| 66 } |
| 67 } |
| 68 |
| 69 void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| 70 canvas->save(); |
| 71 canvas->scale(1, -1); |
| 72 canvas->translate(0, -kHeight); |
| 73 for (int p = 0; p < fPaths.count(); ++p) { |
| 74 SkPaint paint; |
| 75 paint.setARGB(0xff, 0, 0, 0); |
| 76 paint.setAntiAlias(true); |
| 77 paint.setStyle(SkPaint::kStroke_Style); |
| 78 paint.setStrokeWidth(0); |
| 79 canvas->drawPath(fPaths[p], paint); |
| 80 } |
| 81 canvas->restore(); |
| 82 } |
| 83 |
| 84 const SkScalar kWidth = 256; |
| 85 const SkScalar kHeight = 256; |
| 86 |
| 87 private: |
| 88 SkTArray<SkPath> fPaths; |
| 89 typedef GM INHERITED; |
| 90 }; |
| 91 |
| 92 ////////////////////////////////////////////////////////////////////////////// |
| 93 |
| 94 static GM* MyFactory(void*) { return new StLouisArchGM; } |
| 95 static GMRegistry reg(MyFactory); |
| 96 |
| 97 } |
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