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| 1 /* | 1 /* |
| 2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "SampleCode.h" | 8 #include "SampleCode.h" |
| 9 #include "SkAnimTimer.h" | 9 #include "SkAnimTimer.h" |
| 10 #include "SkView.h" | 10 #include "SkView.h" |
| (...skipping 27 matching lines...) Expand all Loading... |
| 38 | 38 |
| 39 | 39 |
| 40 class DegenerateTwoPtRadialsView : public SampleView { | 40 class DegenerateTwoPtRadialsView : public SampleView { |
| 41 public: | 41 public: |
| 42 DegenerateTwoPtRadialsView() { | 42 DegenerateTwoPtRadialsView() { |
| 43 fTime = 0; | 43 fTime = 0; |
| 44 this->setBGColor(0xFFDDDDDD); | 44 this->setBGColor(0xFFDDDDDD); |
| 45 } | 45 } |
| 46 | 46 |
| 47 protected: | 47 protected: |
| 48 bool onQuery(SkEvent* evt) SK_OVERRIDE { | 48 bool onQuery(SkEvent* evt) override { |
| 49 if (SampleCode::TitleQ(*evt)) { | 49 if (SampleCode::TitleQ(*evt)) { |
| 50 SampleCode::TitleR(evt, "DegenerateTwoPtRadials"); | 50 SampleCode::TitleR(evt, "DegenerateTwoPtRadials"); |
| 51 return true; | 51 return true; |
| 52 } | 52 } |
| 53 return this->INHERITED::onQuery(evt); | 53 return this->INHERITED::onQuery(evt); |
| 54 } | 54 } |
| 55 | 55 |
| 56 void onDrawContent(SkCanvas* canvas) SK_OVERRIDE { | 56 void onDrawContent(SkCanvas* canvas) override { |
| 57 SkScalar delta = fTime / 15.f; | 57 SkScalar delta = fTime / 15.f; |
| 58 int intPart = SkScalarFloorToInt(delta); | 58 int intPart = SkScalarFloorToInt(delta); |
| 59 delta = delta - SK_Scalar1 * intPart; | 59 delta = delta - SK_Scalar1 * intPart; |
| 60 if (intPart % 2) { | 60 if (intPart % 2) { |
| 61 delta = SK_Scalar1 - delta; | 61 delta = SK_Scalar1 - delta; |
| 62 } | 62 } |
| 63 delta -= SK_ScalarHalf; | 63 delta -= SK_ScalarHalf; |
| 64 static const int DELTA_SCALE = 500; | 64 static const int DELTA_SCALE = 500; |
| 65 delta /= DELTA_SCALE; | 65 delta /= DELTA_SCALE; |
| 66 | 66 |
| 67 SkScalar w = SK_Scalar1 * 500; | 67 SkScalar w = SK_Scalar1 * 500; |
| 68 SkScalar h = SK_Scalar1 * 500; | 68 SkScalar h = SK_Scalar1 * 500; |
| 69 SkScalar l = SK_Scalar1 * 100; | 69 SkScalar l = SK_Scalar1 * 100; |
| 70 SkScalar t = SK_Scalar1 * 100; | 70 SkScalar t = SK_Scalar1 * 100; |
| 71 draw_gradient2(canvas, SkRect::MakeXYWH(l, t, w, h), delta); | 71 draw_gradient2(canvas, SkRect::MakeXYWH(l, t, w, h), delta); |
| 72 SkString txt; | 72 SkString txt; |
| 73 txt.appendf("gap at \"tangent\" pt = %f", SkScalarToFloat(delta)); | 73 txt.appendf("gap at \"tangent\" pt = %f", SkScalarToFloat(delta)); |
| 74 SkPaint paint; | 74 SkPaint paint; |
| 75 paint.setAntiAlias(true); | 75 paint.setAntiAlias(true); |
| 76 paint.setColor(SK_ColorBLACK); | 76 paint.setColor(SK_ColorBLACK); |
| 77 canvas->drawText(txt.c_str(), txt.size(), l + w/2 + w*DELTA_SCALE*delta,
t + h + SK_Scalar1 * 10, paint); | 77 canvas->drawText(txt.c_str(), txt.size(), l + w/2 + w*DELTA_SCALE*delta,
t + h + SK_Scalar1 * 10, paint); |
| 78 } | 78 } |
| 79 | 79 |
| 80 bool onAnimate(const SkAnimTimer& timer) SK_OVERRIDE { | 80 bool onAnimate(const SkAnimTimer& timer) override { |
| 81 fTime = SkDoubleToScalar(timer.secs() / 15); | 81 fTime = SkDoubleToScalar(timer.secs() / 15); |
| 82 return true; | 82 return true; |
| 83 } | 83 } |
| 84 | 84 |
| 85 private: | 85 private: |
| 86 SkScalar fTime; | 86 SkScalar fTime; |
| 87 typedef SampleView INHERITED; | 87 typedef SampleView INHERITED; |
| 88 }; | 88 }; |
| 89 | 89 |
| 90 ////////////////////////////////////////////////////////////////////////////// | 90 ////////////////////////////////////////////////////////////////////////////// |
| 91 | 91 |
| 92 static SkView* MyFactory() { return new DegenerateTwoPtRadialsView; } | 92 static SkView* MyFactory() { return new DegenerateTwoPtRadialsView; } |
| 93 static SkViewRegister reg(MyFactory); | 93 static SkViewRegister reg(MyFactory); |
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