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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*
* Copyright 2011 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 "SkRandom.h"
namespace skiagm {
class EmptyPathGM : public GM {
public:
EmptyPathGM() {}
protected:
SkString onShortName() {
return SkString("emptypath");
}
SkISize onISize() { return SkISize::Make(600, 280); }
void drawEmpty(SkCanvas* canvas,
SkColor color,
const SkRect& clip,
SkPaint::Style style,
SkPath::FillType fill) {
SkPath path;
path.setFillType(fill);
SkPaint paint;
paint.setColor(color);
paint.setStyle(style);
canvas->save();
canvas->clipRect(clip);
canvas->drawPath(path, paint);
canvas->restore();
}
virtual void onDraw(SkCanvas* canvas) {
struct FillAndName {
SkPath::FillType fFill;
const char* fName;
};
static const FillAndName gFills[] = {
{SkPath::kWinding_FillType, "Winding"},
{SkPath::kEvenOdd_FillType, "Even / Odd"},
{SkPath::kInverseWinding_FillType, "Inverse Winding"},
{SkPath::kInverseEvenOdd_FillType, "Inverse Even / Odd"},
};
struct StyleAndName {
SkPaint::Style fStyle;
const char* fName;
};
static const StyleAndName gStyles[] = {
{SkPaint::kFill_Style, "Fill"},
{SkPaint::kStroke_Style, "Stroke"},
{SkPaint::kStrokeAndFill_Style, "Stroke And Fill"},
};
SkPaint titlePaint;
titlePaint.setColor(SK_ColorBLACK);
titlePaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&titlePaint);
titlePaint.setLCDRenderText(true);
titlePaint.setTextSize(15 * SK_Scalar1);
const char title[] = "Empty Paths Drawn Into Rectangle Clips With "
"Indicated Style and Fill";
canvas->drawText(title, strlen(title),
20 * SK_Scalar1,
20 * SK_Scalar1,
titlePaint);
SkLCGRandom rand;
SkRect rect = SkRect::MakeWH(100*SK_Scalar1, 30*SK_Scalar1);
int i = 0;
canvas->save();
canvas->translate(10 * SK_Scalar1, 0);
canvas->save();
for (size_t style = 0; style < SK_ARRAY_COUNT(gStyles); ++style) {
for (size_t fill = 0; fill < SK_ARRAY_COUNT(gFills); ++fill) {
if (0 == i % 4) {
canvas->restore();
canvas->translate(0, rect.height() + 40 * SK_Scalar1);
canvas->save();
} else {
canvas->translate(rect.width() + 40 * SK_Scalar1, 0);
}
++i;
SkColor color = rand.nextU();
color = 0xff000000| color; // force solid
this->drawEmpty(canvas, color, rect,
gStyles[style].fStyle, gFills[fill].fFill);
SkPaint rectPaint;
rectPaint.setColor(SK_ColorBLACK);
rectPaint.setStyle(SkPaint::kStroke_Style);
rectPaint.setStrokeWidth(-1);
rectPaint.setAntiAlias(true);
canvas->drawRect(rect, rectPaint);
SkPaint labelPaint;
labelPaint.setColor(color);
labelPaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&labelPaint);
labelPaint.setLCDRenderText(true);
labelPaint.setTextSize(12 * SK_Scalar1);
canvas->drawText(gStyles[style].fName,
strlen(gStyles[style].fName),
0, rect.height() + 15 * SK_Scalar1,
labelPaint);
canvas->drawText(gFills[fill].fName,
strlen(gFills[fill].fName),
0, rect.height() + 28 * SK_Scalar1,
labelPaint);
}
}
canvas->restore();
canvas->restore();
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new EmptyPathGM; }
static GMRegistry reg(MyFactory);
}
|
