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
make_grad(SkScalar w,SkScalar h)13 static SkShader* make_grad(SkScalar w, SkScalar h) {
14 SkColor colors[] = { 0xFF000000, 0xFF333333 };
15 SkPoint pts[] = { { 0, 0 }, { w, h } };
16 return SkGradientShader::CreateLinear(pts, colors, nullptr, 2,
17 SkShader::kClamp_TileMode);
18 }
19
20 class BigGradientView : public SampleView {
21 public:
BigGradientView()22 BigGradientView() {}
23
24 protected:
25 // overrides from SkEventSink
onQuery(SkEvent * evt)26 virtual bool onQuery(SkEvent* evt) {
27 if (SampleCode::TitleQ(*evt)) {
28 SampleCode::TitleR(evt, "BigGradient");
29 return true;
30 }
31 return this->INHERITED::onQuery(evt);
32 }
33
onDrawContent(SkCanvas * canvas)34 virtual void onDrawContent(SkCanvas* canvas) {
35 SkRect r;
36 r.set(0, 0, this->width(), this->height());
37 SkPaint p;
38 p.setShader(make_grad(this->width(), this->height()))->unref();
39 canvas->drawRect(r, p);
40 }
41
42 private:
43 typedef SampleView INHERITED;
44 };
45
46 ///////////////////////////////////////////////////////////////////////////////
47
MyFactory()48 static SkView* MyFactory() { return new BigGradientView; }
49 static SkViewRegister reg(MyFactory);
50