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
136
137
138
139
140
141
142
143
144
145
|
/*
* 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 "SkColorFilter.h"
#include "SkColorPriv.h"
#include "SkShader.h"
#include "SkBlurImageFilter.h"
#include "SkColorFilterImageFilter.h"
#include "SkComposeImageFilter.h"
#include "SkMergeImageFilter.h"
#include "SkOffsetImageFilter.h"
#include "SkTestImageFilters.h"
#define FILTER_WIDTH SkIntToScalar(150)
#define FILTER_HEIGHT SkIntToScalar(200)
static SkImageFilter* make0() { return new SkDownSampleImageFilter(SK_Scalar1 / 5); }
static SkImageFilter* make1() { return new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16)); }
static SkImageFilter* make2() {
SkColorFilter* cf = SkColorFilter::CreateModeFilter(SK_ColorBLUE,
SkXfermode::kSrcIn_Mode);
SkAutoUnref aur(cf);
return SkColorFilterImageFilter::Create(cf);
}
static SkImageFilter* make3() {
return new SkBlurImageFilter(8, 0);
}
static SkImageFilter* make4() {
SkImageFilter* outer = new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16));
SkImageFilter* inner = new SkDownSampleImageFilter(SK_Scalar1 / 5);
SkAutoUnref aur0(outer);
SkAutoUnref aur1(inner);
return new SkComposeImageFilter(outer, inner);
}
static SkImageFilter* make5() {
SkImageFilter* first = new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16));
SkImageFilter* second = new SkDownSampleImageFilter(SK_Scalar1 / 5);
SkAutoUnref aur0(first);
SkAutoUnref aur1(second);
return new SkMergeImageFilter(first, second);
}
static SkImageFilter* make6() {
SkImageFilter* outer = new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16));
SkImageFilter* inner = new SkDownSampleImageFilter(SK_Scalar1 / 5);
SkAutoUnref aur0(outer);
SkAutoUnref aur1(inner);
SkImageFilter* compose = new SkComposeImageFilter(outer, inner);
SkAutoUnref aur2(compose);
SkColorFilter* cf = SkColorFilter::CreateModeFilter(0x880000FF,
SkXfermode::kSrcIn_Mode);
SkAutoUnref aur3(cf);
SkImageFilter* blue = SkColorFilterImageFilter::Create(cf);
SkAutoUnref aur4(blue);
return new SkMergeImageFilter(compose, blue);
}
static SkImageFilter* make7() {
SkImageFilter* outer = new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16));
SkImageFilter* inner = make3();
SkAutoUnref aur0(outer);
SkAutoUnref aur1(inner);
SkImageFilter* compose = new SkComposeImageFilter(outer, inner);
SkAutoUnref aur2(compose);
SkColorFilter* cf = SkColorFilter::CreateModeFilter(0x880000FF,
SkXfermode::kSrcIn_Mode);
SkAutoUnref aur3(cf);
SkImageFilter* blue = SkColorFilterImageFilter::Create(cf);
SkAutoUnref aur4(blue);
return new SkMergeImageFilter(compose, blue);
}
static void draw0(SkCanvas* canvas) {
SkPaint p;
p.setAntiAlias(true);
SkRect r = SkRect::MakeWH(FILTER_WIDTH, FILTER_HEIGHT);
r.inset(SK_Scalar1 * 12, SK_Scalar1 * 12);
p.setColor(SK_ColorRED);
canvas->drawOval(r, p);
}
class TestImageFiltersGM : public skiagm::GM {
public:
TestImageFiltersGM () {}
protected:
virtual SkString onShortName() {
return SkString("testimagefilters");
}
virtual SkISize onISize() { return SkISize::Make(700, 460); }
virtual void onDraw(SkCanvas* canvas) {
// this->drawSizeBounds(canvas, 0xFFCCCCCC);
static SkImageFilter* (*gFilterProc[])() = {
make0, make1, make2, make3, make4, make5, make6, make7
};
const SkRect bounds = SkRect::MakeWH(FILTER_WIDTH, FILTER_HEIGHT);
const SkScalar dx = bounds.width() * 8 / 7;
const SkScalar dy = bounds.height() * 8 / 7;
canvas->translate(SkIntToScalar(8), SkIntToScalar(8));
for (size_t i = 0; i < SK_ARRAY_COUNT(gFilterProc); ++i) {
int ix = i % 4;
int iy = i / 4;
SkAutoCanvasRestore acr(canvas, true);
canvas->translate(ix * dx, iy * dy);
SkPaint p;
p.setStyle(SkPaint::kStroke_Style);
canvas->drawRect(bounds, p);
SkPaint paint;
paint.setImageFilter(gFilterProc[i]())->unref();
canvas->saveLayer(&bounds, &paint);
draw0(canvas);
}
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static skiagm::GM* MyFactory(void*) { return new TestImageFiltersGM; }
static skiagm::GMRegistry reg(MyFactory);
|
