1 /* 2 * Copyright 2011 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 #include "Sample.h" 8 #include "SkCanvas.h" 9 #include "SkGraphics.h" 10 #include "SkRandom.h" 11 #include "SkGradientShader.h" 12 #include "SkPicture.h" 13 14 static sk_sp<SkShader> make_linear() { 15 SkPoint pts[] = { 0, 0, SK_Scalar1/500, SK_Scalar1/500 }; 16 SkColor colors[] = { SK_ColorRED, SK_ColorBLUE }; 17 return SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkShader::kClamp_TileMode); 18 } 19 20 class ClampView : public Sample { 21 sk_sp<SkShader> fGrad; 22 23 public: 24 ClampView() { 25 fGrad = make_linear(); 26 } 27 28 protected: 29 virtual bool onQuery(Sample::Event* evt) { 30 if (Sample::TitleQ(*evt)) { 31 Sample::TitleR(evt, "Clamp"); 32 return true; 33 } 34 return this->INHERITED::onQuery(evt); 35 } 36 37 virtual void onDrawContent(SkCanvas* canvas) { 38 SkPaint paint; 39 paint.setShader(fGrad); 40 41 // canvas->translate(this->width()/2, this->height()/2); 42 canvas->translate(64, 64); 43 canvas->drawPaint(paint); 44 45 SkPicture pic; 46 SkCanvas* c = pic.beginRecording(100, 100, 0); 47 SkCanvas::LayerIter layerIterator(c, false); 48 layerIterator.next(); 49 layerIterator.done(); 50 } 51 52 private: 53 typedef Sample INHERITED; 54 }; 55 56 ////////////////////////////////////////////////////////////////////////////// 57 58 static Sample* MyFactory() { return new ClampView; } 59 static SampleRegister reg(MyFactory); 60
