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
DEF_SIMPLE_GM(path_huge_crbug_800804, canvas, 50, 600)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.
DEF_SIMPLE_GM(path_huge_aa, canvas, 200, 200)43 DEF_SIMPLE_GM(path_huge_aa, canvas, 200, 200) {
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);
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);
67 canvas->restore();
68 };
69
70 proc(canvas, 100, 60);
71 canvas->translate(0, 80);
72 proc(canvas, 100 * 1024, 60);
73 }
74