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 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 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 57 int SkAnimateBase::components() { 58 return 1; 59 } 60 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 69 void SkAnimateBase::dirty() { 70 fChanged = true; 71 } 72 73 #ifdef SK_DUMP_ENABLED 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 SkDebugf("begin=\"%g\" ", SkScalarToFloat(SkScalarDiv(begin,1000))); 95 } 96 } 97 #endif 98 99 SkDisplayable* SkAnimateBase::getParent() const { 100 return (SkDisplayable*) fApply; 101 } 102 103 bool SkAnimateBase::getProperty(int index, SkScriptValue* value) const { 104 int boolResult; 105 switch (index) { 106 case SK_PROPERTY(dynamic): 107 boolResult = fDynamic; 108 goto returnBool; 109 case SK_PROPERTY(mirror): 110 boolResult = fMirror; 111 goto returnBool; 112 case SK_PROPERTY(reset): 113 boolResult = fReset; 114 returnBool: 115 value->fOperand.fS32 = SkToBool(boolResult); 116 value->fType = SkType_Boolean; 117 break; 118 case SK_PROPERTY(step): 119 if (fApply == NULL) 120 return false; // !!! notify there's an error? 121 fApply->getStep(value); 122 break; 123 case SK_PROPERTY(values): 124 value->fOperand.fString = (SkString*) &to; 125 value->fType = SkType_String; 126 break; 127 default: 128 SkASSERT(0); 129 return false; 130 } 131 return true; 132 } 133 134 bool SkAnimateBase::hasExecute() const 135 { 136 return false; 137 } 138 139 void SkAnimateBase::onEndElement(SkAnimateMaker& maker) { 140 fChanged = false; 141 setTarget(maker); 142 if (field.size()) { 143 SkASSERT(fTarget); 144 fFieldInfo = fTarget->getMember(field.c_str()); 145 field.reset(); 146 } 147 if (lval.size()) { 148 // lval must be of the form x[y] 149 const char* lvalStr = lval.c_str(); 150 const char* arrayEnd = strchr(lvalStr, '['); 151 if (arrayEnd == NULL) 152 return; //should this return an error? 153 size_t arrayNameLen = arrayEnd - lvalStr; 154 SkString arrayStr(lvalStr, arrayNameLen); 155 SkASSERT(fTarget); //this return an error? 156 fFieldInfo = fTarget->getMember(arrayStr.c_str()); 157 SkString scriptStr(arrayEnd + 1, lval.size() - arrayNameLen - 2); 158 SkAnimatorScript::EvaluateInt(maker, this, scriptStr.c_str(), &fFieldOffset); 159 } 160 } 161 162 void SkAnimateBase::packARGB(SkScalar array[], int count, SkTDOperandArray* converted) 163 { 164 SkASSERT(count == 4); 165 converted->setCount(1); 166 SkColor color = SkColorSetARGB(SkScalarRound(array[0]), SkScalarRound(array[1]), 167 SkScalarRound(array[2]), SkScalarRound(array[3])); 168 (*converted)[0].fS32 = color; 169 } 170 171 172 173 void SkAnimateBase::refresh(SkAnimateMaker& ) { 174 } 175 176 bool SkAnimateBase::setParent(SkDisplayable* apply) { 177 SkASSERT(apply->isApply()); 178 fApply = (SkApply*) apply; 179 return false; 180 } 181 182 bool SkAnimateBase::setProperty(int index, SkScriptValue& value) { 183 bool boolValue = SkToBool(value.fOperand.fS32); 184 switch (index) { 185 case SK_PROPERTY(dynamic): 186 fDynamic = boolValue; 187 goto checkForBool; 188 case SK_PROPERTY(values): 189 fHasValues = true; 190 SkASSERT(value.fType == SkType_String); 191 to = *value.fOperand.fString; 192 break; 193 case SK_PROPERTY(mirror): 194 fMirror = boolValue; 195 goto checkForBool; 196 case SK_PROPERTY(reset): 197 fReset = boolValue; 198 checkForBool: 199 SkASSERT(value.fType == SkType_Boolean); 200 break; 201 default: 202 return false; 203 } 204 return true; 205 } 206 207 void SkAnimateBase::setTarget(SkAnimateMaker& maker) { 208 if (target.size()) { 209 SkAnimatorScript engine(maker, this, SkType_Displayable); 210 const char* script = target.c_str(); 211 SkScriptValue scriptValue; 212 bool success = engine.evaluateScript(&script, &scriptValue); 213 if (success && scriptValue.fType == SkType_Displayable) 214 fTarget = scriptValue.fOperand.fDrawable; 215 else if (maker.find(target.c_str(), (SkDisplayable**) &fTarget) == false) { 216 if (fApply->getMode() == SkApply::kMode_create) 217 return; // may not be an error 218 if (engine.getError() != SkScriptEngine::kNoError) 219 maker.setScriptError(engine); 220 else { 221 maker.setErrorNoun(target); 222 maker.setErrorCode(SkDisplayXMLParserError::kTargetIDNotFound); 223 } 224 return; 225 } 226 if (fApply && fApply->getMode() != SkApply::kMode_create) 227 target.reset(); 228 } 229 } 230 231 bool SkAnimateBase::targetNeedsInitialization() const { 232 return false; 233 } 234
