1
2 /*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8 #include "SampleCode.h"
9 #include "SkView.h"
10 #include "SkCanvas.h"
11 #include "SkShader.h"
12 #include "SkKey.h"
13
make_bitmap(SkBitmap * bm)14 static void make_bitmap(SkBitmap* bm) {
15 const int W = 100;
16 const int H = 100;
17 bm->setConfig(SkBitmap::kARGB_8888_Config, W, H);
18 bm->allocPixels();
19
20 SkPaint paint;
21 SkCanvas canvas(*bm);
22 canvas.drawColor(SK_ColorWHITE);
23
24 const SkColor colors[] = {
25 SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE
26 };
27
28 for (int ix = 0; ix < W; ix += 1) {
29 SkScalar x = SkIntToScalar(ix) + SK_ScalarHalf;
30 paint.setColor(colors[ix & 3]);
31 canvas.drawLine(x, 0, x, SkIntToScalar(H - 1), paint);
32 }
33 paint.setColor(SK_ColorGRAY);
34 canvas.drawLine(0, 0, SkIntToScalar(W), 0, paint);
35 }
36
make_paint(SkPaint * paint,SkShader::TileMode tm)37 static void make_paint(SkPaint* paint, SkShader::TileMode tm) {
38 SkBitmap bm;
39 make_bitmap(&bm);
40
41 SkShader* shader = SkShader::CreateBitmapShader(bm, tm, tm);
42 paint->setShader(shader)->unref();
43 }
44
45 class RepeatTileView : public SampleView {
46 public:
RepeatTileView()47 RepeatTileView() {
48 this->setBGColor(SK_ColorGRAY);
49 }
50
51 protected:
52 // overrides from SkEventSink
onQuery(SkEvent * evt)53 virtual bool onQuery(SkEvent* evt) {
54 if (SampleCode::TitleQ(*evt)) {
55 SampleCode::TitleR(evt, "RepeatTile");
56 return true;
57 }
58 return this->INHERITED::onQuery(evt);
59 }
60
onDrawContent(SkCanvas * canvas)61 virtual void onDrawContent(SkCanvas* canvas) {
62 SkPaint paint;
63 make_paint(&paint, SkShader::kRepeat_TileMode);
64
65 // canvas->scale(SK_Scalar1*2, SK_Scalar1);
66 canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
67 canvas->drawPaint(paint);
68 }
69
onFindClickHandler(SkScalar x,SkScalar y)70 virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
71 this->inval(NULL);
72
73 return this->INHERITED::onFindClickHandler(x, y);
74 }
75
onClick(Click * click)76 virtual bool onClick(Click* click) {
77 return this->INHERITED::onClick(click);
78 }
79
handleKey(SkKey key)80 virtual bool handleKey(SkKey key) {
81 this->inval(NULL);
82 return true;
83 }
84
85 private:
86 typedef SampleView INHERITED;
87 };
88
89 //////////////////////////////////////////////////////////////////////////////
90
MyFactory()91 static SkView* MyFactory() { return new RepeatTileView; }
92 static SkViewRegister reg(MyFactory);
93
94