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 TwoPtConicalView : public SampleView {
15 public:
TwoPtConicalView()16 TwoPtConicalView() {}
17
18 protected:
19 // overrides from SkEventSink
onQuery(SkEvent * evt)20 virtual bool onQuery(SkEvent* evt) {
21 if (SampleCode::TitleQ(*evt)) {
22 SampleCode::TitleR(evt, "2PtConical");
23 return true;
24 }
25 return this->INHERITED::onQuery(evt);
26 }
27
onDrawContent(SkCanvas * canvas)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::CreateTwoPointConical(c0, r0, c1, r1, colors,
37 nullptr, 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
MyFactory()51 static SkView* MyFactory() { return new TwoPtConicalView; }
52 static SkViewRegister reg(MyFactory);
53