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
|
/*
* Copyright 2006 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.
*/
#include "SkDisplayList.h"
#include "SkAnimateActive.h"
#include "SkAnimateBase.h"
#include "SkAnimateMaker.h"
#include "SkDisplayApply.h"
#include "SkDrawable.h"
#include "SkDrawGroup.h"
#include "SkDrawMatrix.h"
#include "SkInterpolator.h"
#include "SkTime.h"
SkDisplayList::SkDisplayList() : fDrawBounds(true), fUnionBounds(false), fInTime(0) {
}
SkDisplayList::~SkDisplayList() {
}
void SkDisplayList::append(SkActive* active) {
*fActiveList.append() = active;
}
bool SkDisplayList::draw(SkAnimateMaker& maker, SkMSec inTime) {
validate();
fInTime = inTime;
bool result = false;
fInvalBounds.setEmpty();
if (fDrawList.count()) {
for (SkActive** activePtr = fActiveList.begin(); activePtr < fActiveList.end(); activePtr++) {
SkActive* active = *activePtr;
active->reset();
}
for (int index = 0; index < fDrawList.count(); index++) {
SkDrawable* draw = fDrawList[index];
draw->initialize(); // allow matrices to reset themselves
SkASSERT(draw->isDrawable());
validate();
result |= draw->draw(maker);
}
}
validate();
return result;
}
int SkDisplayList::findGroup(SkDrawable* match, SkTDDrawableArray** list,
SkGroup** parent, SkGroup** found, SkTDDrawableArray**grandList) {
*parent = NULL;
*list = &fDrawList;
*grandList = &fDrawList;
return SearchForMatch(match, list, parent, found, grandList);
}
void SkDisplayList::hardReset() {
fDrawList.reset();
fActiveList.reset();
}
bool SkDisplayList::onIRect(const SkIRect& r) {
fBounds = r;
return fDrawBounds;
}
int SkDisplayList::SearchForMatch(SkDrawable* match, SkTDDrawableArray** list,
SkGroup** parent, SkGroup** found, SkTDDrawableArray**grandList) {
*found = NULL;
for (int index = 0; index < (*list)->count(); index++) {
SkDrawable* draw = (**list)[index];
if (draw == match)
return index;
if (draw->isApply()) {
SkApply* apply = (SkApply*) draw;
if (apply->scope == match)
return index;
if (apply->scope->isGroup() && SearchGroupForMatch(apply->scope, match, list, parent, found, grandList, index))
return index;
if (apply->mode == SkApply::kMode_create) {
for (SkDrawable** ptr = apply->fScopes.begin(); ptr < apply->fScopes.end(); ptr++) {
SkDrawable* scope = *ptr;
if (scope == match)
return index;
//perhaps should call SearchGroupForMatch here as well (on scope)
}
}
}
if (draw->isGroup() && SearchGroupForMatch(draw, match, list, parent, found, grandList, index))
return index;
}
return -1;
}
bool SkDisplayList::SearchGroupForMatch(SkDrawable* draw, SkDrawable* match, SkTDDrawableArray** list,
SkGroup** parent, SkGroup** found, SkTDDrawableArray** grandList, int &index) {
SkGroup* group = (SkGroup*) draw;
if (group->getOriginal() == match)
return true;
SkTDDrawableArray* saveList = *list;
int groupIndex = group->findGroup(match, list, parent, found, grandList);
if (groupIndex >= 0) {
*found = group;
index = groupIndex;
return true;
}
*list = saveList;
return false;
}
void SkDisplayList::reset() {
for (int index = 0; index < fDrawList.count(); index++) {
SkDrawable* draw = fDrawList[index];
if (draw->isApply() == false)
continue;
SkApply* apply = (SkApply*) draw;
apply->reset();
}
}
void SkDisplayList::remove(SkActive* active) {
int index = fActiveList.find(active);
SkASSERT(index >= 0);
fActiveList.remove(index); // !!! could use shuffle instead
SkASSERT(fActiveList.find(active) < 0);
}
#ifdef SK_DUMP_ENABLED
int SkDisplayList::fDumpIndex;
int SkDisplayList::fIndent;
void SkDisplayList::dump(SkAnimateMaker* maker) {
fIndent = 0;
dumpInner(maker);
}
void SkDisplayList::dumpInner(SkAnimateMaker* maker) {
for (int index = 0; index < fDrawList.count(); index++) {
fDumpIndex = index;
fDrawList[fDumpIndex]->dump(maker);
}
}
#endif
#ifdef SK_DEBUG
void SkDisplayList::validate() {
for (int index = 0; index < fDrawList.count(); index++) {
SkDrawable* draw = fDrawList[index];
draw->validate();
}
}
#endif
|
