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 "SkPath.h"
11#include "SkPictureRecorder.h"
12
13static sk_sp<SkPicture> make_picture() {
14    SkPictureRecorder rec;
15    SkCanvas* canvas = rec.beginRecording(100, 100);
16
17    SkPaint paint;
18    paint.setAntiAlias(true);
19    SkPath path;
20
21    paint.setColor(0x800000FF);
22    canvas->drawRect(SkRect::MakeWH(100, 100), paint);
23
24    paint.setColor(0x80FF0000);
25    path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(100, 100);
26    canvas->drawPath(path, paint);
27
28    paint.setColor(0x8000FF00);
29    path.reset(); path.moveTo(0, 0); path.lineTo(100, 0); path.lineTo(0, 100);
30    canvas->drawPath(path, paint);
31
32    paint.setColor(0x80FFFFFF);
33    paint.setBlendMode(SkBlendMode::kPlus);
34    canvas->drawRect(SkRect::MakeXYWH(25, 25, 50, 50), paint);
35
36    return rec.finishRecordingAsPicture();
37}
38
39// Exercise the optional arguments to drawPicture
40//
41class PictureGM : public skiagm::GM {
42public:
43    PictureGM()
44        : fPicture(nullptr)
45    {}
46
47protected:
48    void onOnceBeforeDraw() override {
49         fPicture = make_picture();
50    }
51
52    SkString onShortName() override {
53        return SkString("pictures");
54    }
55
56    SkISize onISize() override {
57        return SkISize::Make(450, 120);
58    }
59
60    void onDraw(SkCanvas* canvas) override {
61        canvas->translate(10, 10);
62
63        SkMatrix matrix;
64        SkPaint paint;
65
66        canvas->drawPicture(fPicture);
67
68        matrix.setTranslate(110, 0);
69        canvas->drawPicture(fPicture, &matrix, nullptr);
70
71        matrix.postTranslate(110, 0);
72        canvas->drawPicture(fPicture, &matrix, &paint);
73
74        paint.setAlpha(0x80);
75        matrix.postTranslate(110, 0);
76        canvas->drawPicture(fPicture, &matrix, &paint);
77    }
78
79private:
80    sk_sp<SkPicture> fPicture;
81
82    typedef skiagm::GM INHERITED;
83};
84
85DEF_GM(return new PictureGM;)
86