blob: f32d6094b27358fe5d23cdf2325cfc9c06855c29 (
plain)
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
|
/*
* Copyright 2008 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkMovie_DEFINED
#define SkMovie_DEFINED
#include "SkRefCnt.h"
#include "SkCanvas.h"
class SkStream;
class SkMovie : public SkRefCnt {
public:
SK_DECLARE_INST_COUNT(SkMovie)
/** Try to create a movie from the stream. If the stream format is not
supported, return NULL.
*/
static SkMovie* DecodeStream(SkStream*);
/** Try to create a movie from the specified file path. If the file is not
found, or the format is not supported, return NULL. If a movie is
returned, the stream may be retained by the movie (via ref()) until
the movie is finished with it (by calling unref()).
*/
static SkMovie* DecodeFile(const char path[]);
/** Try to create a movie from the specified memory.
If the format is not supported, return NULL. If a movie is returned,
the data will have been read or copied, and so the caller may free
it.
*/
static SkMovie* DecodeMemory(const void* data, size_t length);
SkMSec duration();
int width();
int height();
int isOpaque();
/** Specify the time code (between 0...duration) to sample a bitmap
from the movie. Returns true if this time code generated a different
bitmap/frame from the previous state (i.e. true means you need to
redraw).
*/
bool setTime(SkMSec);
// return the right bitmap for the current time code
const SkBitmap& bitmap();
protected:
struct Info {
SkMSec fDuration;
int fWidth;
int fHeight;
bool fIsOpaque;
};
virtual bool onGetInfo(Info*) = 0;
virtual bool onSetTime(SkMSec) = 0;
virtual bool onGetBitmap(SkBitmap*) = 0;
// visible for subclasses
SkMovie();
private:
Info fInfo;
SkMSec fCurrTime;
SkBitmap fBitmap;
bool fNeedBitmap;
void ensureInfo();
typedef SkRefCnt INHERITED;
};
#endif
|
