1
2 /*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 #include "SkAnimateBase.h"
11 #include "SkAnimateMaker.h"
12 #include "SkAnimateProperties.h"
13 #include "SkAnimatorScript.h"
14 #include "SkDisplayApply.h"
15 #include "SkDrawable.h"
16
17 #if SK_USE_CONDENSED_INFO == 0
18
19 const SkMemberInfo SkAnimateBase::fInfo[] = {
20 SK_MEMBER(begin, MSec),
21 SK_MEMBER_ARRAY(blend, Float),
22 SK_MEMBER(dur, MSec),
23 SK_MEMBER_PROPERTY(dynamic, Boolean),
24 SK_MEMBER(field, String), // name of member info in target
25 SK_MEMBER(formula, DynamicString),
26 SK_MEMBER(from, DynamicString),
27 SK_MEMBER(lval, DynamicString),
28 SK_MEMBER_PROPERTY(mirror, Boolean),
29 SK_MEMBER(repeat, Float),
30 SK_MEMBER_PROPERTY(reset, Boolean),
31 SK_MEMBER_PROPERTY(step, Int),
32 SK_MEMBER(target, DynamicString),
33 SK_MEMBER(to, DynamicString),
34 SK_MEMBER_PROPERTY(values, DynamicString)
35 };
36
37 #endif
38
39 DEFINE_GET_MEMBER(SkAnimateBase);
40
SkAnimateBase()41 SkAnimateBase::SkAnimateBase() : begin(0), dur(1), repeat(SK_Scalar1),
42 fApply(NULL), fFieldInfo(NULL), fFieldOffset(0), fStart((SkMSec) -1), fTarget(NULL),
43 fChanged(0), fDelayed(0), fDynamic(0), fHasEndEvent(0), fHasValues(0),
44 fMirror(0), fReset(0), fResetPending(0), fTargetIsScope(0) {
45 blend.setCount(1);
46 blend[0] = SK_Scalar1;
47 }
48
~SkAnimateBase()49 SkAnimateBase::~SkAnimateBase() {
50 SkDisplayTypes type = fValues.getType();
51 if (type == SkType_String || type == SkType_DynamicString) {
52 SkASSERT(fValues.count() == 1);
53 delete fValues[0].fString;
54 }
55 }
56
components()57 int SkAnimateBase::components() {
58 return 1;
59 }
60
deepCopy(SkAnimateMaker * maker)61 SkDisplayable* SkAnimateBase::deepCopy(SkAnimateMaker* maker) {
62 SkAnimateBase* result = (SkAnimateBase*) INHERITED::deepCopy(maker);
63 result->fApply = fApply;
64 result->fFieldInfo =fFieldInfo;
65 result->fHasValues = false;
66 return result;
67 }
68
dirty()69 void SkAnimateBase::dirty() {
70 fChanged = true;
71 }
72
73 #ifdef SK_DUMP_ENABLED
dump(SkAnimateMaker * maker)74 void SkAnimateBase::dump(SkAnimateMaker* maker) {
75 dumpBase(maker);
76 if (target.size() > 0)
77 SkDebugf("target=\"%s\" ", target.c_str());
78 else if (fTarget && strcmp(fTarget->id, ""))
79 SkDebugf("target=\"%s\" ", fTarget->id);
80 if (lval.size() > 0)
81 SkDebugf("lval=\"%s\" ", lval.c_str());
82 if (field.size() > 0)
83 SkDebugf("field=\"%s\" ", field.c_str());
84 else if (fFieldInfo)
85 SkDebugf("field=\"%s\" ", fFieldInfo->fName);
86 if (formula.size() > 0)
87 SkDebugf("formula=\"%s\" ", formula.c_str());
88 else {
89 if (from.size() > 0)
90 SkDebugf("from=\"%s\" ", from.c_str());
91 SkDebugf("to=\"%s\" ", to.c_str());
92 }
93 if (begin != 0) {
94 #ifdef SK_CAN_USE_FLOAT
95 SkDebugf("begin=\"%g\" ", SkScalarToFloat(SkScalarDiv(begin,1000)));
96 #else
97 SkDebugf("begin=\"%x\" ", SkScalarDiv(begin,1000));
98 #endif
99 }
100 }
101 #endif
102
getParent() const103 SkDisplayable* SkAnimateBase::getParent() const {
104 return (SkDisplayable*) fApply;
105 }
106
getProperty(int index,SkScriptValue * value) const107 bool SkAnimateBase::getProperty(int index, SkScriptValue* value) const {
108 int boolResult;
109 switch (index) {
110 case SK_PROPERTY(dynamic):
111 boolResult = fDynamic;
112 goto returnBool;
113 case SK_PROPERTY(mirror):
114 boolResult = fMirror;
115 goto returnBool;
116 case SK_PROPERTY(reset):
117 boolResult = fReset;
118 returnBool:
119 value->fOperand.fS32 = SkToBool(boolResult);
120 value->fType = SkType_Boolean;
121 break;
122 case SK_PROPERTY(step):
123 if (fApply == NULL)
124 return false; // !!! notify there's an error?
125 fApply->getStep(value);
126 break;
127 case SK_PROPERTY(values):
128 value->fOperand.fString = (SkString*) &to;
129 value->fType = SkType_String;
130 break;
131 default:
132 SkASSERT(0);
133 return false;
134 }
135 return true;
136 }
137
hasExecute() const138 bool SkAnimateBase::hasExecute() const
139 {
140 return false;
141 }
142
onEndElement(SkAnimateMaker & maker)143 void SkAnimateBase::onEndElement(SkAnimateMaker& maker) {
144 fChanged = false;
145 setTarget(maker);
146 if (field.size()) {
147 SkASSERT(fTarget);
148 fFieldInfo = fTarget->getMember(field.c_str());
149 field.reset();
150 }
151 if (lval.size()) {
152 // lval must be of the form x[y]
153 const char* lvalStr = lval.c_str();
154 const char* arrayEnd = strchr(lvalStr, '[');
155 if (arrayEnd == NULL)
156 return; //should this return an error?
157 size_t arrayNameLen = arrayEnd - lvalStr;
158 SkString arrayStr(lvalStr, arrayNameLen);
159 SkASSERT(fTarget); //this return an error?
160 fFieldInfo = fTarget->getMember(arrayStr.c_str());
161 SkString scriptStr(arrayEnd + 1, lval.size() - arrayNameLen - 2);
162 SkAnimatorScript::EvaluateInt(maker, this, scriptStr.c_str(), &fFieldOffset);
163 }
164 }
165
packARGB(SkScalar array[],int count,SkTDOperandArray * converted)166 void SkAnimateBase::packARGB(SkScalar array[], int count, SkTDOperandArray* converted)
167 {
168 SkASSERT(count == 4);
169 converted->setCount(1);
170 SkColor color = SkColorSetARGB(SkScalarRound(array[0]), SkScalarRound(array[1]),
171 SkScalarRound(array[2]), SkScalarRound(array[3]));
172 (*converted)[0].fS32 = color;
173 }
174
175
176
refresh(SkAnimateMaker &)177 void SkAnimateBase::refresh(SkAnimateMaker& ) {
178 }
179
setParent(SkDisplayable * apply)180 bool SkAnimateBase::setParent(SkDisplayable* apply) {
181 SkASSERT(apply->isApply());
182 fApply = (SkApply*) apply;
183 return false;
184 }
185
setProperty(int index,SkScriptValue & value)186 bool SkAnimateBase::setProperty(int index, SkScriptValue& value) {
187 bool boolValue = SkToBool(value.fOperand.fS32);
188 switch (index) {
189 case SK_PROPERTY(dynamic):
190 fDynamic = boolValue;
191 goto checkForBool;
192 case SK_PROPERTY(values):
193 fHasValues = true;
194 SkASSERT(value.fType == SkType_String);
195 to = *value.fOperand.fString;
196 break;
197 case SK_PROPERTY(mirror):
198 fMirror = boolValue;
199 goto checkForBool;
200 case SK_PROPERTY(reset):
201 fReset = boolValue;
202 checkForBool:
203 SkASSERT(value.fType == SkType_Boolean);
204 break;
205 default:
206 return false;
207 }
208 return true;
209 }
210
setTarget(SkAnimateMaker & maker)211 void SkAnimateBase::setTarget(SkAnimateMaker& maker) {
212 if (target.size()) {
213 SkAnimatorScript engine(maker, this, SkType_Displayable);
214 const char* script = target.c_str();
215 SkScriptValue scriptValue;
216 bool success = engine.evaluateScript(&script, &scriptValue);
217 if (success && scriptValue.fType == SkType_Displayable)
218 fTarget = scriptValue.fOperand.fDrawable;
219 else if (maker.find(target.c_str(), (SkDisplayable**) &fTarget) == false) {
220 if (fApply->getMode() == SkApply::kMode_create)
221 return; // may not be an error
222 if (engine.getError() != SkScriptEngine::kNoError)
223 maker.setScriptError(engine);
224 else {
225 maker.setErrorNoun(target);
226 maker.setErrorCode(SkDisplayXMLParserError::kTargetIDNotFound);
227 }
228 return;
229 }
230 if (fApply && fApply->getMode() != SkApply::kMode_create)
231 target.reset();
232 }
233 }
234
targetNeedsInitialization() const235 bool SkAnimateBase::targetNeedsInitialization() const {
236 return false;
237 }
238
239
240