1 /*
2  * Copyright 2018 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/SkPath.h"
12 #include "include/core/SkRect.h"
13 #include "include/core/SkRefCnt.h"
14 #include "include/core/SkSurface.h"
15 
16 DEF_SIMPLE_GM(path_huge_crbug_800804, canvas, 50, 600) {
17     SkPaint paint;
18     paint.setAntiAlias(true);
19     paint.setStyle(SkPaint::kStroke_Style);
20 
21     // exercise various special-cases (e.g. hairlines or not)
22     const float widths[] = { 0.9f, 1.0f, 1.1f };
23 
24     SkPath path;
25     for (float w : widths) {
26         paint.setStrokeWidth(w);
27 
28         path.reset();
29         path.moveTo(-1000,12345678901234567890.f);
30         path.lineTo(10.5f,200);
31         canvas->drawPath(path, paint);
32 
33         path.reset();
34         path.moveTo(30.5f,400);
35         path.lineTo(1000,-9.8765432109876543210e+19f);
36         canvas->drawPath(path, paint);
37 
38         canvas->translate(3, 0);
39     }
40 }
41 
42 // Test that we can draw into a huge surface ( > 64K ) and still retain paths and antialiasing.
43 DEF_SIMPLE_GM(path_huge_aa, canvas, 200, 200) {
__anona3fc94df0102(SkCanvas* canvas, int w, int h) 44     auto proc = [](SkCanvas* canvas, int w, int h) {
45         SkAutoCanvasRestore acr(canvas, true);
46 
47         auto surf = SkSurface::MakeRasterN32Premul(w, h);
48         auto can = surf->getCanvas();
49 
50         SkPaint paint;
51         SkPath path;
52         path.addRoundRect(SkRect::MakeXYWH(4, 4, w - 8, h - 8), 12, 12);
53 
54         canvas->save();
55         canvas->clipRect(SkRect::MakeXYWH(4, 4, 64, 64));
56         can->drawPath(path, paint);
57         surf->draw(canvas, 64 - w, 0, nullptr);
58         canvas->restore();
59 
60         canvas->translate(80, 0);
61         canvas->save();
62         canvas->clipRect(SkRect::MakeXYWH(4, 4, 64, 64));
63         can->clear(0);
64         paint.setAntiAlias(true);
65         can->drawPath(path, paint);
66         surf->draw(canvas, 64 - w, 0, nullptr);
67         canvas->restore();
68     };
69 
70     proc(canvas, 100, 60);
71     canvas->translate(0, 80);
72     proc(canvas, 100 * 1024, 60);
73 }
74