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
81
82
83
84
85
86
87
88
89
90
91
92
|
#include "gm.h"
#include "SkBlurMaskFilter.h"
namespace skiagm {
class BlursGM : public GM {
public:
BlursGM() {}
protected:
virtual SkString onShortName() {
return SkString("blurs");
}
virtual SkISize onISize() {
return make_isize(700, 500);
}
void drawBG(SkCanvas* canvas) {
canvas->drawColor(0xFFDDDDDD);
}
virtual void onDraw(SkCanvas* canvas) {
drawBG(canvas);
SkBlurMaskFilter::BlurStyle NONE = SkBlurMaskFilter::BlurStyle(-999);
static const struct {
SkBlurMaskFilter::BlurStyle fStyle;
int fCx, fCy;
} gRecs[] = {
{ NONE, 0, 0 },
{ SkBlurMaskFilter::kInner_BlurStyle, -1, 0 },
{ SkBlurMaskFilter::kNormal_BlurStyle, 0, 1 },
{ SkBlurMaskFilter::kSolid_BlurStyle, 0, -1 },
{ SkBlurMaskFilter::kOuter_BlurStyle, 1, 0 },
};
SkPaint paint;
paint.setAntiAlias(true);
paint.setTextSize(25);
canvas->translate(-40, 0);
SkBlurMaskFilter::BlurFlags flags = SkBlurMaskFilter::kNone_BlurFlag;
for (int j = 0; j < 2; j++) {
canvas->save();
paint.setColor(SK_ColorBLUE);
for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
if (gRecs[i].fStyle != NONE) {
SkMaskFilter* mf = SkBlurMaskFilter::Create(20,
gRecs[i].fStyle,
flags);
paint.setMaskFilter(mf)->unref();
} else {
paint.setMaskFilter(NULL);
}
canvas->drawCircle(200 + gRecs[i].fCx*100,
200 + gRecs[i].fCy*100, 50, paint);
}
// draw text
{
SkMaskFilter* mf = SkBlurMaskFilter::Create(4,
SkBlurMaskFilter::kNormal_BlurStyle,
flags);
paint.setMaskFilter(mf)->unref();
SkScalar x = SkIntToScalar(70);
SkScalar y = SkIntToScalar(400);
paint.setColor(SK_ColorBLACK);
canvas->drawText("Hamburgefons Style", 18, x, y, paint);
canvas->drawText("Hamburgefons Style", 18, x, y + SkIntToScalar(50), paint);
paint.setMaskFilter(NULL);
paint.setColor(SK_ColorWHITE);
x -= SkIntToScalar(2);
y -= SkIntToScalar(2);
canvas->drawText("Hamburgefons Style", 18, x, y, paint);
}
canvas->restore();
// flags = SkBlurMaskFilter::kHighQuality_BlurFlag;
canvas->translate(350, 0);
}
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new BlursGM; }
static GMRegistry reg(MyFactory);
}
|
