xref: /aosp_15_r20/external/skia/gm/drawregion.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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/SkRegion.h"
13 #include "include/core/SkSize.h"
14 #include "include/core/SkString.h"
15 
16 /**
17  *  This is very similar to the RectGrid macrobench in Android.
18  */
19 class DrawRegionGM : public skiagm::GM {
20 public:
DrawRegionGM()21     DrawRegionGM() {}
22 
23 protected:
getName() const24     SkString getName() const override { return SkString("drawregion"); }
25 
getISize()26     SkISize getISize() override { return SkISize::Make(500, 500); }
27 
runAsBench() const28     bool runAsBench() const override {
29         return true;
30     }
31 
onOnceBeforeDraw()32     void onOnceBeforeDraw() override {
33         for (int x = 50; x < 250; x+=2) {
34             for (int y = 50; y < 250; y+=2) {
35                 fRegion.op({x, y, x + 1, y + 1}, SkRegion::kUnion_Op);
36             }
37         }
38     }
39 
onDraw(SkCanvas * canvas)40     void onDraw(SkCanvas* canvas) override {
41         canvas->translate(10, 10);
42 
43         SkPaint paint;
44         paint.setStyle(SkPaint::kFill_Style);
45         paint.setColor(0xFFFF00FF);
46         canvas->drawRect(SkRect::MakeLTRB(50.0f, 50.0f, 250.0f, 250.0f), paint);
47 
48         paint.setColor(0xFF00FFFF);
49         canvas->drawRegion(fRegion, paint);
50     }
51 
52     SkRegion fRegion;
53 
54 private:
55     using INHERITED = skiagm::GM;
56 };
57 DEF_GM( return new DrawRegionGM; )
58