1 /*
2 * Copyright 2020 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/SkPath.h"
11 #include "include/core/SkPoint.h"
12 #include "include/gpu/GrContextOptions.h"
13 #include "include/gpu/GrDirectContext.h"
14 #include "src/base/SkRandom.h"
15 #include "src/gpu/ganesh/GrCaps.h"
16 #include "src/gpu/ganesh/GrDirectContextPriv.h"
17 #include "src/gpu/ganesh/GrDrawingManager.h"
18 #include "src/gpu/ganesh/GrRecordingContextPriv.h"
19 #include "src/gpu/ganesh/ops/TessellationPathRenderer.h"
20
21 static constexpr float kStrokeWidth = 100;
22 static constexpr int kTestWidth = 120 * 4;
23 static constexpr int kTestHeight = 120 * 3 + 140;
24
draw_strokes(SkCanvas * canvas,SkRandom * rand,const SkPath & path,const SkPath & cubic)25 static void draw_strokes(SkCanvas* canvas, SkRandom* rand, const SkPath& path,
26 const SkPath& cubic) {
27 SkPaint strokePaint;
28 strokePaint.setAntiAlias(true);
29 strokePaint.setStrokeWidth(kStrokeWidth);
30 strokePaint.setStyle(SkPaint::kStroke_Style);
31
32 SkAutoCanvasRestore arc(canvas, true);
33 strokePaint.setStrokeJoin(SkPaint::kBevel_Join);
34 strokePaint.setColor(rand->nextU() | 0xff808080);
35 canvas->drawPath(path, strokePaint);
36
37 canvas->translate(120, 0);
38 strokePaint.setStrokeJoin(SkPaint::kRound_Join);
39 strokePaint.setColor(rand->nextU() | 0xff808080);
40 canvas->drawPath(path, strokePaint);
41
42 canvas->translate(120, 0);
43 strokePaint.setStrokeJoin(SkPaint::kMiter_Join);
44 strokePaint.setColor(rand->nextU() | 0xff808080);
45 canvas->drawPath(path, strokePaint);
46
47 canvas->translate(120, 0);
48 strokePaint.setColor(rand->nextU() | 0xff808080);
49 canvas->drawPath(cubic, strokePaint);
50 }
51
draw_test(SkCanvas * canvas)52 static void draw_test(SkCanvas* canvas) {
53 SkRandom rand;
54
55 canvas->clear(SK_ColorBLACK);
56
57 SkAutoCanvasRestore arc(canvas, true);
58 canvas->translate(60, 60);
59
60 draw_strokes(canvas, &rand,
61 SkPath().lineTo(10,0).lineTo(10,10),
62 SkPath().cubicTo(10,0, 10,0, 10,10));
63 canvas->translate(0, 120);
64
65 draw_strokes(canvas, &rand,
66 SkPath().lineTo(0,-10).lineTo(0,10),
67 SkPath().cubicTo(0,-10, 0,-10, 0,10));
68 canvas->translate(0, 120);
69
70 draw_strokes(canvas, &rand,
71 SkPath().lineTo(0,-10).lineTo(10,-10).lineTo(10,10).lineTo(0,10),
72 SkPath().cubicTo(0,-10, 10,10, 0,10));
73 canvas->translate(0, 140);
74
75 draw_strokes(canvas, &rand,
76 SkPath().lineTo(0,-10).lineTo(10,-10).lineTo(10,0).lineTo(0,0),
77 SkPath().cubicTo(0,-10, 10,0, 0,0));
78 canvas->translate(0, 120);
79 }
80
DEF_SIMPLE_GM(widebuttcaps,canvas,kTestWidth,kTestHeight)81 DEF_SIMPLE_GM(widebuttcaps, canvas, kTestWidth, kTestHeight) {
82 canvas->clear(SK_ColorBLACK);
83 draw_test(canvas);
84 }
85