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()
43 : fPicture(NULL)
44 {}
45
46 protected:
onOnceBeforeDraw()47 void onOnceBeforeDraw() override {
48 fPicture.reset(make_picture());
49 }
50
onShortName()51 SkString onShortName() override {
52 return SkString("pictures");
53 }
54
onISize()55 SkISize onISize() override {
56 return SkISize::Make(450, 120);
57 }
58
onDraw(SkCanvas * canvas)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, NULL);
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
78 private:
79 SkAutoTUnref<SkPicture> fPicture;
80
81 typedef skiagm::GM INHERITED;
82 };
83
84 DEF_GM( return SkNEW(PictureGM); )
85