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1 /* libs/graphics/animator/SkAnimateBase.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 "SkAnimateBase.h" | |
19 #include "SkAnimateMaker.h" | |
20 #include "SkAnimateProperties.h" | |
21 #include "SkAnimatorScript.h" | |
22 #include "SkDisplayApply.h" | |
23 #include "SkDrawable.h" | |
24 | |
25 #if SK_USE_CONDENSED_INFO == 0 | |
26 | |
27 const SkMemberInfo SkAnimateBase::fInfo[] = { | |
28 SK_MEMBER(begin, MSec), | |
29 SK_MEMBER_ARRAY(blend, Float), | |
30 SK_MEMBER(dur, MSec), | |
31 SK_MEMBER_PROPERTY(dynamic, Boolean), | |
32 SK_MEMBER(field, String), // name of member info in target | |
33 SK_MEMBER(formula, DynamicString), | |
34 SK_MEMBER(from, DynamicString), | |
35 SK_MEMBER(lval, DynamicString), | |
36 SK_MEMBER_PROPERTY(mirror, Boolean), | |
37 SK_MEMBER(repeat, Float), | |
38 SK_MEMBER_PROPERTY(reset, Boolean), | |
39 SK_MEMBER_PROPERTY(step, Int), | |
40 SK_MEMBER(target, DynamicString), | |
41 SK_MEMBER(to, DynamicString), | |
42 SK_MEMBER_PROPERTY(values, DynamicString) | |
43 }; | |
44 | |
45 #endif | |
46 | |
47 DEFINE_GET_MEMBER(SkAnimateBase); | |
48 | |
49 SkAnimateBase::SkAnimateBase() : begin(0), dur(1), repeat(SK_Scalar1), | |
50 fApply(NULL), fFieldInfo(NULL), fFieldOffset(0), fStart((SkMSec) -1), fT
arget(NULL), | |
51 fChanged(0), fDelayed(0), fDynamic(0), fHasEndEvent(0), fHasValues(0), | |
52 fMirror(0), fReset(0), fResetPending(0), fTargetIsScope(0) { | |
53 blend.setCount(1); | |
54 blend[0] = SK_Scalar1; | |
55 } | |
56 | |
57 SkAnimateBase::~SkAnimateBase() { | |
58 SkDisplayTypes type = fValues.getType(); | |
59 if (type == SkType_String || type == SkType_DynamicString) { | |
60 SkASSERT(fValues.count() == 1); | |
61 delete fValues[0].fString; | |
62 } | |
63 } | |
64 | |
65 int SkAnimateBase::components() { | |
66 return 1; | |
67 } | |
68 | |
69 SkDisplayable* SkAnimateBase::deepCopy(SkAnimateMaker* maker) { | |
70 SkAnimateBase* result = (SkAnimateBase*) INHERITED::deepCopy(maker); | |
71 result->fApply = fApply; | |
72 result->fFieldInfo =fFieldInfo; | |
73 result->fHasValues = false; | |
74 return result; | |
75 } | |
76 | |
77 void SkAnimateBase::dirty() { | |
78 fChanged = true; | |
79 } | |
80 | |
81 #ifdef SK_DUMP_ENABLED | |
82 void SkAnimateBase::dump(SkAnimateMaker* maker) { | |
83 dumpBase(maker); | |
84 if (target.size() > 0) | |
85 SkDebugf("target=\"%s\" ", target.c_str()); | |
86 else if (fTarget && strcmp(fTarget->id, "")) | |
87 SkDebugf("target=\"%s\" ", fTarget->id); | |
88 if (lval.size() > 0) | |
89 SkDebugf("lval=\"%s\" ", lval.c_str()); | |
90 if (field.size() > 0) | |
91 SkDebugf("field=\"%s\" ", field.c_str()); | |
92 else if (fFieldInfo) | |
93 SkDebugf("field=\"%s\" ", fFieldInfo->fName); | |
94 if (formula.size() > 0) | |
95 SkDebugf("formula=\"%s\" ", formula.c_str()); | |
96 else { | |
97 if (from.size() > 0) | |
98 SkDebugf("from=\"%s\" ", from.c_str()); | |
99 SkDebugf("to=\"%s\" ", to.c_str()); | |
100 } | |
101 if (begin != 0) { | |
102 #ifdef SK_CAN_USE_FLOAT | |
103 SkDebugf("begin=\"%g\" ", SkScalarToFloat(SkScalarDiv(begin,1000))); | |
104 #else | |
105 SkDebugf("begin=\"%x\" ", SkScalarDiv(begin,1000)); | |
106 #endif | |
107 } | |
108 } | |
109 #endif | |
110 | |
111 SkDisplayable* SkAnimateBase::getParent() const { | |
112 return (SkDisplayable*) fApply; | |
113 } | |
114 | |
115 bool SkAnimateBase::getProperty(int index, SkScriptValue* value) const { | |
116 int boolResult; | |
117 switch (index) { | |
118 case SK_PROPERTY(dynamic): | |
119 boolResult = fDynamic; | |
120 goto returnBool; | |
121 case SK_PROPERTY(mirror): | |
122 boolResult = fMirror; | |
123 goto returnBool; | |
124 case SK_PROPERTY(reset): | |
125 boolResult = fReset; | |
126 returnBool: | |
127 value->fOperand.fS32 = SkToBool(boolResult); | |
128 value->fType = SkType_Boolean; | |
129 break; | |
130 case SK_PROPERTY(step): | |
131 if (fApply == NULL) | |
132 return false; // !!! notify there's an error? | |
133 fApply->getStep(value); | |
134 break; | |
135 case SK_PROPERTY(values): | |
136 value->fOperand.fString = (SkString*) &to; | |
137 value->fType = SkType_String; | |
138 break; | |
139 default: | |
140 SkASSERT(0); | |
141 return false; | |
142 } | |
143 return true; | |
144 } | |
145 | |
146 bool SkAnimateBase::hasExecute() const | |
147 { | |
148 return false; | |
149 } | |
150 | |
151 void SkAnimateBase::onEndElement(SkAnimateMaker& maker) { | |
152 fChanged = false; | |
153 setTarget(maker); | |
154 if (field.size()) { | |
155 SkASSERT(fTarget); | |
156 fFieldInfo = fTarget->getMember(field.c_str()); | |
157 field.reset(); | |
158 } | |
159 if (lval.size()) { | |
160 // lval must be of the form x[y] | |
161 const char* lvalStr = lval.c_str(); | |
162 const char* arrayEnd = strchr(lvalStr, '['); | |
163 if (arrayEnd == NULL) | |
164 return; //should this return an error? | |
165 size_t arrayNameLen = arrayEnd - lvalStr; | |
166 SkString arrayStr(lvalStr, arrayNameLen); | |
167 SkASSERT(fTarget); //this return an error? | |
168 fFieldInfo = fTarget->getMember(arrayStr.c_str()); | |
169 SkString scriptStr(arrayEnd + 1, lval.size() - arrayNameLen - 2); | |
170 SkAnimatorScript::EvaluateInt(maker, this, scriptStr.c_str(), &fFieldOff
set); | |
171 } | |
172 } | |
173 | |
174 void SkAnimateBase::packARGB(SkScalar array[], int count, SkTDOperandArray* conv
erted) | |
175 { | |
176 SkASSERT(count == 4); | |
177 converted->setCount(1); | |
178 SkColor color = SkColorSetARGB(SkScalarRound(array[0]), SkScalarRound(array[
1]), | |
179 SkScalarRound(array[2]), SkScalarRound(array[3])); | |
180 (*converted)[0].fS32 = color; | |
181 } | |
182 | |
183 | |
184 | |
185 void SkAnimateBase::refresh(SkAnimateMaker& ) { | |
186 } | |
187 | |
188 bool SkAnimateBase::setParent(SkDisplayable* apply) { | |
189 SkASSERT(apply->isApply()); | |
190 fApply = (SkApply*) apply; | |
191 return false; | |
192 } | |
193 | |
194 bool SkAnimateBase::setProperty(int index, SkScriptValue& value) { | |
195 bool boolValue = SkToBool(value.fOperand.fS32); | |
196 switch (index) { | |
197 case SK_PROPERTY(dynamic): | |
198 fDynamic = boolValue; | |
199 goto checkForBool; | |
200 case SK_PROPERTY(values): | |
201 fHasValues = true; | |
202 SkASSERT(value.fType == SkType_String); | |
203 to = *value.fOperand.fString; | |
204 break; | |
205 case SK_PROPERTY(mirror): | |
206 fMirror = boolValue; | |
207 goto checkForBool; | |
208 case SK_PROPERTY(reset): | |
209 fReset = boolValue; | |
210 checkForBool: | |
211 SkASSERT(value.fType == SkType_Boolean); | |
212 break; | |
213 default: | |
214 return false; | |
215 } | |
216 return true; | |
217 } | |
218 | |
219 void SkAnimateBase::setTarget(SkAnimateMaker& maker) { | |
220 if (target.size()) { | |
221 SkAnimatorScript engine(maker, this, SkType_Displayable); | |
222 const char* script = target.c_str(); | |
223 SkScriptValue scriptValue; | |
224 bool success = engine.evaluateScript(&script, &scriptValue); | |
225 if (success && scriptValue.fType == SkType_Displayable) | |
226 fTarget = scriptValue.fOperand.fDrawable; | |
227 else if (maker.find(target.c_str(), (SkDisplayable**) &fTarget) == false
) { | |
228 if (fApply->getMode() == SkApply::kMode_create) | |
229 return; // may not be an error | |
230 if (engine.getError() != SkScriptEngine::kNoError) | |
231 maker.setScriptError(engine); | |
232 else { | |
233 maker.setErrorNoun(target); | |
234 maker.setErrorCode(SkDisplayXMLParserError::kTargetIDNotFound); | |
235 } | |
236 return; | |
237 } | |
238 if (fApply && fApply->getMode() != SkApply::kMode_create) | |
239 target.reset(); | |
240 } | |
241 } | |
242 | |
243 bool SkAnimateBase::targetNeedsInitialization() const { | |
244 return false; | |
245 } | |
246 | |
247 | |
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