1 /*
2  * Copyright 2016 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/gm.h"
9 #include "include/core/SkCanvas.h"
10 #include "include/core/SkPaint.h"
11 #include "include/core/SkRect.h"
12 #include "include/core/SkScalar.h"
13 #include "include/core/SkSize.h"
14 #include "include/core/SkString.h"
15 #include "include/utils/SkRandom.h"
16 #include "tools/ToolUtils.h"
17 
18 class SimpleRectGM : public skiagm::GM {
19 public:
SimpleRectGM()20     SimpleRectGM() {}
21 
22 protected:
onShortName()23     SkString onShortName() override {
24         SkString name;
25         name.printf("simplerect");
26         return name;
27     }
28 
onISize()29     SkISize onISize() override {
30         return SkISize::Make(800, 800);
31     }
32 
onDraw(SkCanvas * canvas)33     void onDraw(SkCanvas* canvas) override {
34         canvas->translate(1, 1);    // want to exercise non-identity ctm performance
35 
36         const SkScalar min = -20;
37         const SkScalar max = 800;
38         const SkScalar size = 20;
39 
40         SkRandom rand;
41         SkPaint paint;
42         for (int i = 0; i < 10000; i++) {
43             paint.setColor(ToolUtils::color_to_565(rand.nextU() | (0xFF << 24)));
44             SkScalar x = rand.nextRangeScalar(min, max);
45             SkScalar y = rand.nextRangeScalar(min, max);
46             SkScalar w = rand.nextRangeScalar(0, size);
47             SkScalar h = rand.nextRangeScalar(0, size);
48             canvas->drawRect(SkRect::MakeXYWH(x, y, w, h), paint);
49         }
50     }
51 
onAnimate(double nanos)52     bool onAnimate(double nanos) override { return true; }
53 
54 private:
55 
56     using INHERITED = GM;
57 };
58 DEF_GM(return new SimpleRectGM;)
59