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
|
/*
* 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 "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkShader.h"
#include "SkKey.h"
static void make_bitmap(SkBitmap* bm) {
const int W = 100;
const int H = 100;
bm->setConfig(SkBitmap::kARGB_8888_Config, W, H);
bm->allocPixels();
SkPaint paint;
SkCanvas canvas(*bm);
canvas.drawColor(SK_ColorWHITE);
const SkColor colors[] = {
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE
};
for (int ix = 0; ix < W; ix += 1) {
SkScalar x = SkIntToScalar(ix) + SK_ScalarHalf;
paint.setColor(colors[ix & 3]);
canvas.drawLine(x, 0, x, SkIntToScalar(H - 1), paint);
}
paint.setColor(SK_ColorGRAY);
canvas.drawLine(0, 0, SkIntToScalar(W), 0, paint);
}
static void make_paint(SkPaint* paint, SkShader::TileMode tm) {
SkBitmap bm;
make_bitmap(&bm);
SkShader* shader = SkShader::CreateBitmapShader(bm, tm, tm);
paint->setShader(shader)->unref();
}
class RepeatTileView : public SampleView {
public:
RepeatTileView() {
this->setBGColor(SK_ColorGRAY);
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "RepeatTile");
return true;
}
return this->INHERITED::onQuery(evt);
}
virtual void onDrawContent(SkCanvas* canvas) {
SkPaint paint;
make_paint(&paint, SkShader::kRepeat_TileMode);
// canvas->scale(SK_Scalar1*2, SK_Scalar1);
canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
canvas->drawPaint(paint);
}
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
this->inval(NULL);
return this->INHERITED::onFindClickHandler(x, y, modi);
}
virtual bool onClick(Click* click) {
return this->INHERITED::onClick(click);
}
virtual bool handleKey(SkKey) {
this->inval(NULL);
return true;
}
private:
typedef SampleView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new RepeatTileView; }
static SkViewRegister reg(MyFactory);
|
