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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPictureFlat_DEFINED
#define SkPictureFlat_DEFINED
#include "SkChunkAlloc.h"
#include "SkBitmap.h"
#include "SkPicture.h"
#include "SkMatrix.h"
#include "SkPaint.h"
#include "SkPath.h"
#include "SkRegion.h"
enum DrawType {
UNUSED,
CLIP_PATH,
CLIP_REGION,
CLIP_RECT,
CONCAT,
DRAW_BITMAP,
DRAW_BITMAP_MATRIX,
DRAW_BITMAP_NINE,
DRAW_BITMAP_RECT,
DRAW_CLEAR,
DRAW_DATA,
DRAW_PAINT,
DRAW_PATH,
DRAW_PICTURE,
DRAW_POINTS,
DRAW_POS_TEXT,
DRAW_POS_TEXT_TOP_BOTTOM, // fast variant of DRAW_POS_TEXT
DRAW_POS_TEXT_H,
DRAW_POS_TEXT_H_TOP_BOTTOM, // fast variant of DRAW_POS_TEXT_H
DRAW_RECT,
DRAW_SPRITE,
DRAW_TEXT,
DRAW_TEXT_ON_PATH,
DRAW_TEXT_TOP_BOTTOM, // fast variant of DRAW_TEXT
DRAW_VERTICES,
RESTORE,
ROTATE,
SAVE,
SAVE_LAYER,
SCALE,
SET_MATRIX,
SKEW,
TRANSLATE
};
enum DrawVertexFlags {
DRAW_VERTICES_HAS_TEXS = 0x01,
DRAW_VERTICES_HAS_COLORS = 0x02,
DRAW_VERTICES_HAS_INDICES = 0x04
};
///////////////////////////////////////////////////////////////////////////////
// clipparams are packed in 5 bits
// doAA:1 | regionOp:4
static inline uint32_t ClipParams_pack(SkRegion::Op op, bool doAA) {
unsigned doAABit = doAA ? 1 : 0;
return (doAABit << 4) | op;
}
static inline SkRegion::Op ClipParams_unpackRegionOp(uint32_t packed) {
return (SkRegion::Op)(packed & 0xF);
}
static inline bool ClipParams_unpackDoAA(uint32_t packed) {
return SkToBool((packed >> 4) & 1);
}
///////////////////////////////////////////////////////////////////////////////
class SkRefCntPlayback {
public:
SkRefCntPlayback();
virtual ~SkRefCntPlayback();
int count() const { return fCount; }
void reset(const SkRefCntSet*);
void setCount(int count);
SkRefCnt* set(int index, SkRefCnt*);
virtual void setupBuffer(SkFlattenableReadBuffer& buffer) const {
buffer.setRefCntArray(fArray, fCount);
}
protected:
int fCount;
SkRefCnt** fArray;
};
class SkTypefacePlayback : public SkRefCntPlayback {
public:
virtual void setupBuffer(SkFlattenableReadBuffer& buffer) const {
buffer.setTypefaceArray((SkTypeface**)fArray, fCount);
}
};
class SkFactoryPlayback {
public:
SkFactoryPlayback(int count) : fCount(count) {
fArray = SkNEW_ARRAY(SkFlattenable::Factory, count);
}
~SkFactoryPlayback() {
SkDELETE_ARRAY(fArray);
}
SkFlattenable::Factory* base() const { return fArray; }
void setupBuffer(SkFlattenableReadBuffer& buffer) const {
buffer.setFactoryPlayback(fArray, fCount);
}
private:
int fCount;
SkFlattenable::Factory* fArray;
};
class SkFlatData {
public:
static int Compare(const SkFlatData* a, const SkFlatData* b) {
return memcmp(&a->fAllocSize, &b->fAllocSize, a->fAllocSize);
}
int index() const { return fIndex; }
#ifdef SK_DEBUG_SIZE
size_t size() const { return sizeof(fIndex) + fAllocSize; }
#endif
protected:
static SkFlatData* Alloc(SkChunkAlloc* heap, int32_t size, int index);
int fIndex;
int32_t fAllocSize;
};
class SkFlatBitmap : public SkFlatData {
public:
static SkFlatBitmap* Flatten(SkChunkAlloc*, const SkBitmap&, int index,
SkRefCntSet*);
void unflatten(SkBitmap* bitmap, SkRefCntPlayback* rcp) const {
SkFlattenableReadBuffer buffer(fBitmapData);
if (rcp) {
rcp->setupBuffer(buffer);
}
bitmap->unflatten(buffer);
}
#ifdef SK_DEBUG_VALIDATE
void validate() const {
// to be written
}
#endif
private:
char fBitmapData[1];
typedef SkFlatData INHERITED;
};
class SkFlatMatrix : public SkFlatData {
public:
static SkFlatMatrix* Flatten(SkChunkAlloc* heap, const SkMatrix& matrix, int index);
void unflatten(SkMatrix* result) const {
result->unflatten(fMatrixData);
}
#ifdef SK_DEBUG_DUMP
void dump() const;
#endif
#ifdef SK_DEBUG_VALIDATE
void validate() const {
// to be written
}
#endif
private:
char fMatrixData[1];
typedef SkFlatData INHERITED;
};
class SkFlatPaint : public SkFlatData {
public:
static SkFlatPaint* Flatten(SkChunkAlloc* heap, const SkPaint& paint,
int index, SkRefCntSet*,
SkRefCntSet* faceRecorder);
void unflatten(SkPaint* result, SkRefCntPlayback* rcp,
SkTypefacePlayback* facePlayback) const {
Read(fPaintData, result, rcp, facePlayback);
}
static void Read(const void* storage, SkPaint* paint, SkRefCntPlayback*,
SkTypefacePlayback* facePlayback);
#ifdef SK_DEBUG_DUMP
void dump() const;
#endif
private:
char fPaintData[1];
typedef SkFlatData INHERITED;
};
class SkFlatRegion : public SkFlatData {
public:
static SkFlatRegion* Flatten(SkChunkAlloc* heap, const SkRegion& region, int index);
void unflatten(SkRegion* result) const {
result->unflatten(fRegionData);
}
#ifdef SK_DEBUG_VALIDATE
void validate() const {
// to be written
}
#endif
private:
char fRegionData[1];
typedef SkFlatData INHERITED;
};
#endif
|
