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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 
make_picture()12 static 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.setXfermodeMode(SkXfermode::kPlus_Mode);
33     canvas->drawRect(SkRect::MakeXYWH(25, 25, 50, 50), paint);
34 
35     return rec.endRecording();
36 }
37 
38 // Exercise the optional arguments to drawPicture
39 //
40 class PictureGM : public skiagm::GM {
41 public:
PictureGM()42     PictureGM() : fPicture(make_picture()) {}
43 
44 protected:
onShortName()45     virtual SkString onShortName() SK_OVERRIDE {
46         return SkString("pictures");
47     }
48 
onISize()49     virtual SkISize onISize() SK_OVERRIDE {
50         return SkISize::Make(450, 120);
51     }
52 
onDraw(SkCanvas * canvas)53     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
54         canvas->translate(10, 10);
55 
56         SkMatrix matrix;
57         SkPaint paint;
58 
59         canvas->drawPicture(fPicture);
60 
61         matrix.setTranslate(110, 0);
62         canvas->drawPicture(fPicture, &matrix, NULL);
63 
64         matrix.postTranslate(110, 0);
65         canvas->drawPicture(fPicture, &matrix, &paint);
66 
67         paint.setAlpha(0x80);
68         matrix.postTranslate(110, 0);
69         canvas->drawPicture(fPicture, &matrix, &paint);
70     }
71 
72 private:
73     SkAutoTUnref<SkPicture> fPicture;
74 
75     typedef skiagm::GM INHERITED;
76 };
77 
78 DEF_GM( return SkNEW(PictureGM); )
79