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1 /* libs/graphics/animator/SkDisplayList.cpp | |
2 ** | |
3 ** Copyright 2006, The Android Open Source Project | |
4 ** | |
5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
6 ** you may not use this file except in compliance with the License. | |
7 ** You may obtain a copy of the License at | |
8 ** | |
9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
10 ** | |
11 ** Unless required by applicable law or agreed to in writing, software | |
12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 ** See the License for the specific language governing permissions and | |
15 ** limitations under the License. | |
16 */ | |
17 | |
18 #include "SkDisplayList.h" | |
19 #include "SkAnimateActive.h" | |
20 #include "SkAnimateBase.h" | |
21 #include "SkAnimateMaker.h" | |
22 #include "SkDisplayApply.h" | |
23 #include "SkDrawable.h" | |
24 #include "SkDrawGroup.h" | |
25 #include "SkDrawMatrix.h" | |
26 #include "SkInterpolator.h" | |
27 #include "SkTime.h" | |
28 | |
29 SkDisplayList::SkDisplayList() : fDrawBounds(true), fUnionBounds(false), fInTime
(0) { | |
30 } | |
31 | |
32 SkDisplayList::~SkDisplayList() { | |
33 } | |
34 | |
35 void SkDisplayList::append(SkActive* active) { | |
36 *fActiveList.append() = active; | |
37 } | |
38 | |
39 bool SkDisplayList::draw(SkAnimateMaker& maker, SkMSec inTime) { | |
40 validate(); | |
41 fInTime = inTime; | |
42 bool result = false; | |
43 fInvalBounds.setEmpty(); | |
44 if (fDrawList.count()) { | |
45 for (SkActive** activePtr = fActiveList.begin(); activePtr < fActiveList
.end(); activePtr++) { | |
46 SkActive* active = *activePtr; | |
47 active->reset(); | |
48 } | |
49 for (int index = 0; index < fDrawList.count(); index++) { | |
50 SkDrawable* draw = fDrawList[index]; | |
51 draw->initialize(); // allow matrices to reset themselves | |
52 SkASSERT(draw->isDrawable()); | |
53 validate(); | |
54 result |= draw->draw(maker); | |
55 } | |
56 } | |
57 validate(); | |
58 return result; | |
59 } | |
60 | |
61 int SkDisplayList::findGroup(SkDrawable* match, SkTDDrawableArray** list, | |
62 SkGroup** parent, SkGroup** found, SkTDDrawableArray**grandList) { | |
63 *parent = NULL; | |
64 *list = &fDrawList; | |
65 *grandList = &fDrawList; | |
66 return SearchForMatch(match, list, parent, found, grandList); | |
67 } | |
68 | |
69 void SkDisplayList::hardReset() { | |
70 fDrawList.reset(); | |
71 fActiveList.reset(); | |
72 } | |
73 | |
74 bool SkDisplayList::onIRect(const SkIRect& r) { | |
75 fBounds = r; | |
76 return fDrawBounds; | |
77 } | |
78 | |
79 int SkDisplayList::SearchForMatch(SkDrawable* match, SkTDDrawableArray** list, | |
80 SkGroup** parent, SkGroup** found, SkTDDrawableArray**grandList) { | |
81 *found = NULL; | |
82 for (int index = 0; index < (*list)->count(); index++) { | |
83 SkDrawable* draw = (**list)[index]; | |
84 if (draw == match) | |
85 return index; | |
86 if (draw->isApply()) { | |
87 SkApply* apply = (SkApply*) draw; | |
88 if (apply->scope == match) | |
89 return index; | |
90 if (apply->scope->isGroup() && SearchGroupForMatch(apply->scope, mat
ch, list, parent, found, grandList, index)) | |
91 return index; | |
92 if (apply->mode == SkApply::kMode_create) { | |
93 for (SkDrawable** ptr = apply->fScopes.begin(); ptr < apply->fSc
opes.end(); ptr++) { | |
94 SkDrawable* scope = *ptr; | |
95 if (scope == match) | |
96 return index; | |
97 //perhaps should call SearchGroupForMatch here as well (on s
cope) | |
98 } | |
99 } | |
100 } | |
101 if (draw->isGroup() && SearchGroupForMatch(draw, match, list, parent, fo
und, grandList, index)) | |
102 return index; | |
103 | |
104 } | |
105 return -1; | |
106 } | |
107 | |
108 bool SkDisplayList::SearchGroupForMatch(SkDrawable* draw, SkDrawable* match, SkT
DDrawableArray** list, | |
109 SkGroup** parent, SkGroup** found, SkTDDrawableArray** grandList, int &i
ndex) { | |
110 SkGroup* group = (SkGroup*) draw; | |
111 if (group->getOriginal() == match) | |
112 return true; | |
113 SkTDDrawableArray* saveList = *list; | |
114 int groupIndex = group->findGroup(match, list, parent, found, grandL
ist); | |
115 if (groupIndex >= 0) { | |
116 *found = group; | |
117 index = groupIndex; | |
118 return true; | |
119 } | |
120 *list = saveList; | |
121 return false; | |
122 } | |
123 | |
124 void SkDisplayList::reset() { | |
125 for (int index = 0; index < fDrawList.count(); index++) { | |
126 SkDrawable* draw = fDrawList[index]; | |
127 if (draw->isApply() == false) | |
128 continue; | |
129 SkApply* apply = (SkApply*) draw; | |
130 apply->reset(); | |
131 } | |
132 } | |
133 | |
134 void SkDisplayList::remove(SkActive* active) { | |
135 int index = fActiveList.find(active); | |
136 SkASSERT(index >= 0); | |
137 fActiveList.remove(index); // !!! could use shuffle instead | |
138 SkASSERT(fActiveList.find(active) < 0); | |
139 } | |
140 | |
141 #ifdef SK_DUMP_ENABLED | |
142 int SkDisplayList::fDumpIndex; | |
143 int SkDisplayList::fIndent; | |
144 | |
145 void SkDisplayList::dump(SkAnimateMaker* maker) { | |
146 fIndent = 0; | |
147 dumpInner(maker); | |
148 } | |
149 | |
150 void SkDisplayList::dumpInner(SkAnimateMaker* maker) { | |
151 for (int index = 0; index < fDrawList.count(); index++) { | |
152 fDumpIndex = index; | |
153 fDrawList[fDumpIndex]->dump(maker); | |
154 } | |
155 } | |
156 | |
157 #endif | |
158 | |
159 #ifdef SK_DEBUG | |
160 void SkDisplayList::validate() { | |
161 for (int index = 0; index < fDrawList.count(); index++) { | |
162 SkDrawable* draw = fDrawList[index]; | |
163 draw->validate(); | |
164 } | |
165 } | |
166 #endif | |
167 | |
168 | |
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