1/*
2 * Copyright 2014 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
8#include "gm.h"
9#include "SkPaint.h"
10#include "SkPictureRecorder.h"
11
12static sk_sp<SkPicture> make_picture() {
13    SkPictureRecorder rec;
14    SkCanvas* canvas = rec.beginRecording(100, 100);
15
16    SkPaint paint;
17    paint.setAntiAlias(true);
18    SkPath path;
19
20    paint.setColor(0x800000FF);
21    canvas->drawRect(SkRect::MakeWH(100, 100), paint);
22
23    paint.setColor(0x80FF0000);
24    path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(100, 100);
25    canvas->drawPath(path, paint);
26
27    paint.setColor(0x8000FF00);
28    path.reset(); path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(0, 100);
29    canvas->drawPath(path, paint);
30
31    paint.setColor(0x80FFFFFF);
32    paint.setBlendMode(SkBlendMode::kPlus);
33    canvas->drawRect(SkRect::MakeXYWH(25, 25, 50, 50), paint);
34
35    return rec.finishRecordingAsPicture();
36}
37
38// Exercise the optional arguments to drawPicture
39//
40class PictureGM : public skiagm::GM {
41public:
42    PictureGM()
43        : fPicture(nullptr)
44    {}
45
46protected:
47    void onOnceBeforeDraw() override {
48         fPicture = make_picture();
49    }
50
51    SkString onShortName() override {
52        return SkString("pictures");
53    }
54
55    SkISize onISize() override {
56        return SkISize::Make(450, 120);
57    }
58
59    void onDraw(SkCanvas* canvas) override {
60        canvas->translate(10, 10);
61
62        SkMatrix matrix;
63        SkPaint paint;
64
65        canvas->drawPicture(fPicture);
66
67        matrix.setTranslate(110, 0);
68        canvas->drawPicture(fPicture, &matrix, nullptr);
69
70        matrix.postTranslate(110, 0);
71        canvas->drawPicture(fPicture, &matrix, &paint);
72
73        paint.setAlpha(0x80);
74        matrix.postTranslate(110, 0);
75        canvas->drawPicture(fPicture, &matrix, &paint);
76    }
77
78private:
79    sk_sp<SkPicture> fPicture;
80
81    typedef skiagm::GM INHERITED;
82};
83
84DEF_GM(return new PictureGM;)
85