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      1 
      2 /*
      3  * Copyright 2011 Google Inc.
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 #include "SampleCode.h"
      9 #include "SkView.h"
     10 #include "SkCanvas.h"
     11 #include "SkGradientShader.h"
     12 
     13 
     14 class TwoPtRadialView : public SampleView {
     15 public:
     16     TwoPtRadialView() {}
     17 
     18 protected:
     19     // overrides from SkEventSink
     20     virtual bool onQuery(SkEvent* evt) {
     21         if (SampleCode::TitleQ(*evt)) {
     22             SampleCode::TitleR(evt, "2PtRadial");
     23             return true;
     24         }
     25         return this->INHERITED::onQuery(evt);
     26     }
     27 
     28     virtual void onDrawContent(SkCanvas* canvas) {
     29         canvas->translate(SkIntToScalar(10), SkIntToScalar(20));
     30 
     31         SkColor colors[] = { SK_ColorRED, SK_ColorBLUE };
     32         SkPoint c0 = { 0, 0 };
     33         SkScalar r0 = 100;
     34         SkPoint c1 = { 100, 100 };
     35         SkScalar r1 = 100;
     36         SkShader* s = SkGradientShader::CreateTwoPointRadial(c0, r0, c1, r1, colors,
     37                                                              NULL, 2,
     38                                                              SkShader::kClamp_TileMode);
     39 
     40         SkPaint paint;
     41         paint.setShader(s)->unref();
     42         canvas->drawPaint(paint);
     43     }
     44 
     45 private:
     46     typedef SampleView INHERITED;
     47 };
     48 
     49 //////////////////////////////////////////////////////////////////////////////
     50 
     51 static SkView* MyFactory() { return new TwoPtRadialView; }
     52 static SkViewRegister reg(MyFactory);
     53