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reed@android.com8a1c16f2008-12-17 15:59:43 +00001#include "SampleCode.h"
2#include "SkView.h"
3#include "SkCanvas.h"
4#include "SkGradientShader.h"
5#include "SkGraphics.h"
6#include "SkImageDecoder.h"
7#include "SkPath.h"
8#include "SkPorterDuff.h"
9#include "SkRegion.h"
10#include "SkShader.h"
11#include "SkUtils.h"
12#include "SkXfermode.h"
13#include "SkShaderExtras.h"
14#include "SkColorPriv.h"
15#include "SkColorFilter.h"
16#include "SkTime.h"
17#include "SkTypeface.h"
18
19#include "SkImageRef_GlobalPool.h"
20#include "SkStream.h"
21
22static const char* gNames[] = {
23 "1.bmp", "1.gif", "1.jpg", "1.png",
24 "2.bmp", "2.gif", "2.jpg", "2.png"
25};
26
27// ownership of the stream is transferred
28static bool SetImageRef(SkBitmap* bitmap, SkStream* stream,
29 SkBitmap::Config pref, const char name[] = NULL)
30{
31 if (SkImageDecoder::DecodeStream(stream, bitmap, pref,
32 SkImageDecoder::kDecodeBounds_Mode)) {
33 SkASSERT(bitmap->config() != SkBitmap::kNo_Config);
34
35 SkImageRef* ref = new SkImageRef_GlobalPool(stream, bitmap->config());
36 ref->setURI(name);
37 bitmap->setPixelRef(ref)->unref();
38 return true;
39 } else {
40 delete stream;
41 return false;
42 }
43}
44
45class ImageView : public SkView {
46public:
47 SkBitmap* fBitmaps;
48 SkShader* fShader;
49
50 ImageView() {
51 SkImageRef_GlobalPool::SetRAMBudget(32 * 1024);
52
53 int i, N = SK_ARRAY_COUNT(gNames);
54 fBitmaps = new SkBitmap[N];
55
56 for (i = 0; i < N; i++) {
57 SkString str("/skimages/");
58 str.append(gNames[i]);
59 SkFILEStream* stream = new SkFILEStream(str.c_str());
60
61 SetImageRef(&fBitmaps[i], stream, SkBitmap::kNo_Config, gNames[i]);
62 if (i & 1)
63 fBitmaps[i].buildMipMap();
64 }
65
66 fShader = SkShader::CreateBitmapShader(fBitmaps[5],
67 SkShader::kRepeat_TileMode,
68 SkShader::kRepeat_TileMode);
69
70 if (true) {
71 SkMatrix m;
72
73 m.setRotate(SkIntToScalar(30));
74 fShader->setLocalMatrix(m);
75 }
76
77#if 0
78 SkImageRef::DumpPool();
79 for (i = 0; i < N; i++) {
80 SkBitmap& bm = fBitmaps[i];
81
82 SkDebugf("<%s> addr=%p", gNames[i], bm.getPixels());
83 bool success = bm.lockPixels();
84 SkDebugf(" addr=%d", bm.getPixels());
85 if (success)
86 bm.unlockPixels();
87 SkDebugf(" addr=%p", bm.getPixels());
88 success = bm.lockPixels();
89 SkDebugf(" addr=%d", bm.getPixels());
90 if (success)
91 bm.unlockPixels();
92 SkDebugf("\n");
93 }
94 SkImageRef::DumpPool();
95#endif
96 }
97
98 virtual ~ImageView() {
99 delete[] fBitmaps;
100 delete fShader;
101
102 SkImageRef_GlobalPool::DumpPool();
103 }
104
105protected:
106 // overrides from SkEventSink
107 virtual bool onQuery(SkEvent* evt) {
108 if (SampleCode::TitleQ(*evt)) {
109 SampleCode::TitleR(evt, "Image");
110 return true;
111 }
112 return this->INHERITED::onQuery(evt);
113 }
114
115 void drawBG(SkCanvas* canvas) {
116 canvas->drawColor(0xFFDDDDDD);
117// canvas->drawColor(SK_ColorWHITE);
118 }
119
120 virtual void onDraw(SkCanvas* canvas) {
121 this->drawBG(canvas);
122
123 canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
124
125 SkScalar x = 0, y = 0;
126
127 for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); i++) {
128 canvas->drawBitmap(fBitmaps[i], x, y);
129 x += SkIntToScalar(fBitmaps[i].width() + 10);
130 }
131
132 canvas->translate(0, SkIntToScalar(120));
133
134 SkPaint paint;
135 paint.setShader(fShader);
136 paint.setFilterBitmap(true);
137 SkRect r = { 0, 0, SkIntToScalar(300), SkIntToScalar(100) };
138
139 canvas->drawRect(r, paint);
140 }
141
142 virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
143 this->inval(NULL);
144 return this->INHERITED::onFindClickHandler(x, y);
145 }
146
147 virtual bool onClick(Click* click) {
148 return this->INHERITED::onClick(click);
149 }
150
151private:
152 typedef SkView INHERITED;
153};
154
155//////////////////////////////////////////////////////////////////////////////
156
157static SkView* MyFactory() { return new ImageView; }
158static SkViewRegister reg(MyFactory);
159