1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkDashPathEffect.h"
static void drawline(SkCanvas* canvas, int on, int off, const SkPaint& paint) {
SkPaint p(paint);
const SkScalar intervals[] = {
SkIntToScalar(on),
SkIntToScalar(off),
};
p.setPathEffect(new SkDashPathEffect(intervals, 2, 0))->unref();
canvas->drawLine(0, 0, SkIntToScalar(600), 0, p);
}
namespace skiagm {
class DashingGM : public GM {
public:
DashingGM() {}
protected:
SkString onShortName() {
return SkString("dashing");
}
SkISize onISize() { return make_isize(640, 300); }
virtual void onDraw(SkCanvas* canvas) {
static const struct {
int fOnInterval;
int fOffInterval;
} gData[] = {
{ 1, 1 },
{ 4, 1 },
};
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
canvas->translate(0, SK_ScalarHalf);
for (int width = 0; width <= 2; ++width) {
for (size_t data = 0; data < SK_ARRAY_COUNT(gData); ++data) {
for (int aa = 0; aa <= 1; ++aa) {
int w = width * width * width;
paint.setAntiAlias(SkToBool(aa));
paint.setStrokeWidth(SkIntToScalar(w));
int scale = w ? w : 1;
drawline(canvas, gData[data].fOnInterval * scale,
gData[data].fOffInterval * scale,
paint);
canvas->translate(0, SkIntToScalar(20));
}
}
}
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* gF(void*) { return new DashingGM; }
static GMRegistry gR(gF);
}
|
