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 "SkGraphics.h"
12#include "SkRandom.h"
13#include "SkGradientShader.h"
14#include "SkPicture.h"
15
16static SkShader* make_linear() {
17    SkPoint pts[] = { 0, 0, SK_Scalar1/500, SK_Scalar1/500 };
18    SkColor colors[] = { SK_ColorRED, SK_ColorBLUE };
19    return SkGradientShader::CreateLinear(pts, colors, NULL, 2,
20                                          SkShader::kClamp_TileMode);
21}
22
23class ClampView : public SampleView {
24    SkShader*   fGrad;
25
26public:
27    ClampView() {
28        fGrad = make_linear();
29    }
30
31    virtual ~ClampView() {
32        fGrad->unref();
33    }
34
35protected:
36    // overrides from SkEventSink
37    virtual bool onQuery(SkEvent* evt) {
38        if (SampleCode::TitleQ(*evt)) {
39            SampleCode::TitleR(evt, "Clamp");
40            return true;
41        }
42        return this->INHERITED::onQuery(evt);
43    }
44
45    virtual void onDrawContent(SkCanvas* canvas) {
46        SkPaint paint;
47        paint.setShader(fGrad);
48
49//        canvas->translate(this->width()/2, this->height()/2);
50        canvas->translate(64, 64);
51        canvas->drawPaint(paint);
52
53        SkPicture pic;
54        SkCanvas* c = pic.beginRecording(100, 100, 0);
55        SkCanvas::LayerIter layerIterator(c, false);
56        layerIterator.next();
57        layerIterator.done();
58    }
59
60private:
61    typedef SampleView INHERITED;
62};
63
64//////////////////////////////////////////////////////////////////////////////
65
66static SkView* MyFactory() { return new ClampView; }
67static SkViewRegister reg(MyFactory);
68