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/SkColor.h" 11 #include "include/core/SkPaint.h" 12 #include "include/core/SkPoint.h" 13 #include "include/core/SkRRect.h" 14 #include "include/core/SkRect.h" 15 #include "include/core/SkShader.h" 16 #include "include/core/SkSize.h" 17 #include "include/core/SkString.h" 18 #include "include/core/SkTileMode.h" 19 #include "include/effects/SkGradientShader.h" 20 21 class TestGradientGM : public skiagm::GM { 22 public: TestGradientGM()23 TestGradientGM() {} 24 25 protected: getName() const26 SkString getName() const override { return SkString("testgradient"); } 27 getISize()28 SkISize getISize() override { return SkISize::Make(800, 800); } 29 onDraw(SkCanvas * canvas)30 void onDraw(SkCanvas* canvas) override { 31 // Set up a gradient paint for a rect. 32 // And non-gradient paint for other objects. 33 canvas->drawColor(SK_ColorWHITE); 34 35 SkPaint paint; 36 paint.setStyle(SkPaint::kFill_Style); 37 paint.setAntiAlias(true); 38 paint.setStrokeWidth(4); 39 paint.setColor(0xFFFE938C); 40 41 SkRect rect = SkRect::MakeXYWH(10, 10, 100, 160); 42 43 SkPoint points[2] = { 44 SkPoint::Make(0.0f, 0.0f), 45 SkPoint::Make(256.0f, 256.0f) 46 }; 47 SkColor colors[2] = {SK_ColorBLUE, SK_ColorYELLOW}; 48 SkPaint newPaint(paint); 49 newPaint.setShader(SkGradientShader::MakeLinear( 50 points, colors, nullptr, 2, SkTileMode::kClamp)); 51 canvas->drawRect(rect, newPaint); 52 53 SkRRect oval; 54 oval.setOval(rect); 55 oval.offset(40, 80); 56 paint.setColor(0xFFE6B89C); 57 canvas->drawRRect(oval, paint); 58 59 paint.setColor(0xFF9CAFB7); 60 canvas->drawCircle(180, 50, 25, paint); 61 62 rect.offset(80, 50); 63 paint.setColor(0xFF4281A4); 64 paint.setStyle(SkPaint::kStroke_Style); 65 canvas->drawRoundRect(rect, 10, 10, paint); 66 } 67 68 private: 69 using INHERITED = skiagm::GM; 70 }; 71 72 // Register the GM 73 DEF_GM( return new TestGradientGM; ) 74