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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/*
* 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 "SkDumpCanvas.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkGradientShader.h"
#include "SkGraphics.h"
#include "SkImageDecoder.h"
#include "SkOSFile.h"
#include "SkPath.h"
#include "SkPicture.h"
#include "SkPictureRecorder.h"
#include "SkRandom.h"
#include "SkRegion.h"
#include "SkShader.h"
#include "SkUtils.h"
#include "SkColorPriv.h"
#include "SkColorFilter.h"
#include "SkTime.h"
#include "SkTypeface.h"
#include "SkXfermode.h"
#include "SkStream.h"
#include "SkSurface.h"
#include "SkXMLParser.h"
class PictFileView : public SampleView {
public:
PictFileView(const char name[] = NULL)
: fFilename(name)
, fBBox(kNo_BBoxType)
, fTileSize(SkSize::Make(0, 0)) {
for (int i = 0; i < kBBoxTypeCount; ++i) {
fPictures[i] = NULL;
}
}
virtual ~PictFileView() {
for (int i = 0; i < kBBoxTypeCount; ++i) {
SkSafeUnref(fPictures[i]);
}
}
virtual void onTileSizeChanged(const SkSize &tileSize) SK_OVERRIDE {
if (tileSize != fTileSize) {
fTileSize = tileSize;
SkSafeSetNull(fPictures[kTileGrid_BBoxType]);
}
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) SK_OVERRIDE {
if (SampleCode::TitleQ(*evt)) {
SkString name("P:");
const char* basename = strrchr(fFilename.c_str(), SkPATH_SEPARATOR);
name.append(basename ? basename+1: fFilename.c_str());
switch (fBBox) {
case kNo_BBoxType:
// No name appended
break;
case kRTree_BBoxType:
name.append(" <bbox: R>");
break;
case kTileGrid_BBoxType:
name.append(" <bbox: T>");
break;
default:
SkASSERT(false);
break;
}
SampleCode::TitleR(evt, name.c_str());
return true;
}
return this->INHERITED::onQuery(evt);
}
virtual bool onEvent(const SkEvent& evt) SK_OVERRIDE {
if (evt.isType("PictFileView::toggleBBox")) {
fBBox = (BBoxType)((fBBox + 1) % kBBoxTypeCount);
return true;
}
return this->INHERITED::onEvent(evt);
}
virtual void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
SkASSERT(static_cast<int>(fBBox) < kBBoxTypeCount);
SkPicture** picture = fPictures + fBBox;
if (!*picture) {
*picture = LoadPicture(fFilename.c_str(), fBBox);
}
if (*picture) {
canvas->drawPicture(*picture);
}
}
private:
enum BBoxType {
kNo_BBoxType,
kRTree_BBoxType,
kTileGrid_BBoxType,
kLast_BBoxType = kTileGrid_BBoxType
};
static const int kBBoxTypeCount = kLast_BBoxType + 1;
SkString fFilename;
SkPicture* fPictures[kBBoxTypeCount];
BBoxType fBBox;
SkSize fTileSize;
SkPicture* LoadPicture(const char path[], BBoxType bbox) {
SkAutoTUnref<SkPicture> pic;
SkBitmap bm;
if (SkImageDecoder::DecodeFile(path, &bm)) {
bm.setImmutable();
SkPictureRecorder recorder;
SkCanvas* can = recorder.beginRecording(SkIntToScalar(bm.width()),
SkIntToScalar(bm.height()),
NULL, 0);
can->drawBitmap(bm, 0, 0, NULL);
pic.reset(recorder.endRecording());
} else {
SkFILEStream stream(path);
if (stream.isValid()) {
pic.reset(SkPicture::CreateFromStream(&stream));
} else {
SkDebugf("coun't load picture at \"path\"\n", path);
}
if (false) {
SkSurface* surf = SkSurface::NewRasterPMColor(SkScalarCeilToInt(pic->cullRect().width()),
SkScalarCeilToInt(pic->cullRect().height()));
surf->getCanvas()->drawPicture(pic);
surf->unref();
}
if (false) { // re-record
SkPictureRecorder recorder;
pic->playback(recorder.beginRecording(pic->cullRect().width(),
pic->cullRect().height(),
NULL, 0));
SkAutoTUnref<SkPicture> p2(recorder.endRecording());
SkString path2(path);
path2.append(".new.skp");
SkFILEWStream writer(path2.c_str());
p2->serialize(&writer);
}
}
if (NULL == pic) {
return NULL;
}
SkAutoTDelete<SkBBHFactory> factory;
switch (bbox) {
case kNo_BBoxType:
// no bbox playback necessary
return pic.detach();
case kRTree_BBoxType:
factory.reset(SkNEW(SkRTreeFactory));
break;
case kTileGrid_BBoxType: {
SkASSERT(!fTileSize.isEmpty());
SkTileGridFactory::TileGridInfo gridInfo;
gridInfo.fMargin = SkISize::Make(0, 0);
gridInfo.fOffset = SkIPoint::Make(0, 0);
gridInfo.fTileInterval = fTileSize.toRound();
factory.reset(SkNEW_ARGS(SkTileGridFactory, (gridInfo)));
break;
}
default:
SkASSERT(false);
}
SkPictureRecorder recorder;
pic->playback(recorder.beginRecording(pic->cullRect().width(),
pic->cullRect().height(),
factory.get(), 0));
return recorder.endRecording();
}
typedef SampleView INHERITED;
};
SampleView* CreateSamplePictFileView(const char filename[]);
SampleView* CreateSamplePictFileView(const char filename[]) {
return new PictFileView(filename);
}
//////////////////////////////////////////////////////////////////////////////
#if 0
static SkView* MyFactory() { return new PictFileView; }
static SkViewRegister reg(MyFactory);
#endif
|
