void SkActive::pickUp(SkActive* existing) {
SkTDOperandArray existingValues;
for (int index = 0; index < fAnimators.count(); index++) {
SkAnimateBase* animate = fAnimators[index];
SkASSERT(animate->getValuesType() == SkType_Float);
int components = animate->components();
SkOperand* from = animate->getValues();
SkOperand* to = &from[animate->components()];
existingValues.setCount(components);
existing->fInterpolators[index]->timeToValues(
existing->fState[index].fTicks - existing->fState[index].fStartTime, existingValues.begin());
SkScalar originalSum = 0;
SkScalar workingSum = 0;
for (int cIndex = 0; cIndex < components; cIndex++) {
SkScalar delta = to[cIndex].fScalar - from[cIndex].fScalar;
originalSum += SkScalarMul(delta, delta);
delta = to[cIndex].fScalar - existingValues[cIndex].fScalar;
workingSum += SkScalarMul(delta, delta);
}
if (workingSum < originalSum) {
SkScalar originalDistance = SkScalarSqrt(originalSum);
SkScalar workingDistance = SkScalarSqrt(workingSum);
existing->fState[index].fDuration = (SkMSec) SkScalarMulDiv(fState[index].fDuration,
workingDistance, originalDistance);
}
fInterpolators[index]->reset(components, 2, SkType_Float);
fInterpolators[index]->setKeyFrame(0, 0, existingValues.begin(), animate->blend[0]);
fInterpolators[index]->setKeyFrame(1, fState[index].fDuration, to, animate->blend[0]);
}
}
void SkActive::create(SkADrawable* drawable, SkMSec time) {
fApply.fLastTime = time;
fApply.refresh(fMaker);
for (int index = 0; index < fAnimators.count(); index++) {
SkAnimateBase* animate = fAnimators[index];
SkOperandInterpolator& interpolator = *fInterpolators[index];
int count = animate->components();
if (animate->formula.size() > 0) {
SkTDOperandArray values;
values.setCount(count);
SkDEBUGCODE(bool success = ) animate->fFieldInfo->setValue(fMaker, &values, 0, 0, NULL,
animate->getValuesType(), animate->formula);
SkASSERT(success);
fApply.applyValues(index, values.begin(), count, animate->getValuesType(), time);
} else {
bool SkActive::immediate(bool enable) {
SkMSec time = 0;
bool result = false;
SkDrawable* drawable = fApply.scope;
SkMSec final = fMaxTime;
do {
bool applied = fAnimators.count() == 0;
fApply.fLastTime = time;
fApply.refresh(fMaker);
for (int index = 0; index < fAnimators.count(); index++) {
SkAnimateBase* animate = fAnimators[index];
SkState& state = fState[index];
if (state.fMode != SkApply::kMode_immediate)
continue;
if (state.fBegin > time)
continue;
if (time > state.fBegin + state.fDuration)
continue;
applied = true;
SkOperandInterpolator& interpolator = *fInterpolators[index];
int count = animate->components();
if (animate->formula.size() > 0) {
SkTDOperandArray values;
values.setCount(count);
bool success = animate->fFieldInfo->setValue(fMaker, &values, 0, 0, NULL,
animate->getValuesType(), animate->formula);
SkASSERT(success);
fApply.applyValues(index, values.begin(), count, animate->getValuesType(), time);
} else {
SkAutoSTMalloc<16, SkOperand> values(count);
interpolator.timeToValues(time, values.get());
fApply.applyValues(index, values.get(), count, animate->getValuesType(), time);
}
}
if (enable)
drawable->enable(fMaker);
else if (applied)
result |= drawable->draw(fMaker);
time += SK_MSec1;
} while (time <= final);
return result;
}
void SkApply::save(int index) {
SkAnimateBase* animate = fActive->fAnimators[index];
const SkMemberInfo * info = animate->fFieldInfo;
SkDisplayable* target = getTarget(animate);
// if (animate->hasExecute())
// info = animate->getResolvedInfo();
SkDisplayTypes type = (SkDisplayTypes) info->fType;
if (type == SkType_MemberFunction)
return; // nothing to save
size_t size = info->getSize(target);
int count = (int) (size / sizeof(SkScalar));
bool useLast = true;
// !!! this all may be unneeded, at least in the dynamic case ??
int activeIndex = fActive->fDrawIndex + index;
SkTDOperandArray last;
if (fActive->fSaveRestore[activeIndex] == NULL) {
fActive->fSaveRestore[activeIndex] = new SkOperand[count];
useLast = false;
} else {
last.setCount(count);
memcpy(last.begin(), fActive->fSaveRestore[activeIndex], count * sizeof(SkOperand));
}
if (type != SkType_MemberProperty) {
info->getValue(target, fActive->fSaveRestore[activeIndex], count);
if (useLast)
info->setValue(target, last.begin(), count);
} else {
SkScriptValue scriptValue;
bool success = target->getProperty(info->propertyIndex(), &scriptValue);
SkASSERT(success == true);
SkASSERT(scriptValue.fType == SkType_Float);
fActive->fSaveRestore[activeIndex][0] = scriptValue.fOperand;
if (useLast) {
SkScriptValue scriptValue;
scriptValue.fType = type;
scriptValue.fOperand = last[0];
target->setProperty(info->propertyIndex(), scriptValue);
}
}
// !!! end of unneeded
}
SkDisplayable* SkDisplayable::deepCopy(SkAnimateMaker* maker) {
SkDisplayTypes type = getType();
if (type == SkType_Unknown) {
SkASSERT(0);
return NULL;
}
SkDisplayable* copy = SkDisplayType::CreateInstance(maker, type);
int index = -1;
int propIndex = 0;
const SkMemberInfo* info;
do {
info = copy->getMember(++index);
if (info == NULL)
break;
if (info->fType == SkType_MemberProperty) {
SkScriptValue value;
if (getProperty(propIndex, &value))
copy->setProperty(propIndex, value);
propIndex++;
continue;
}
if (info->fType == SkType_MemberFunction)
continue;
if (info->fType == SkType_Array) {
SkTDOperandArray* array = (SkTDOperandArray*) info->memberData(this);
int arrayCount;
if (array == NULL || (arrayCount = array->count()) == 0)
continue;
SkTDOperandArray* copyArray = (SkTDOperandArray*) info->memberData(copy);
copyArray->setCount(arrayCount);
SkDisplayTypes elementType;
if (type == SkType_Array) {
SkDisplayArray* dispArray = (SkDisplayArray*) this;
elementType = dispArray->values.getType();
} else
elementType = info->arrayType();
size_t elementSize = SkMemberInfo::GetSize(elementType);
size_t byteSize = elementSize * arrayCount;
memcpy(copyArray->begin(), array->begin(), byteSize);
continue;
}
if (SkDisplayType::IsDisplayable(maker, info->fType)) {
SkDisplayable** displayable = (SkDisplayable**) info->memberData(this);
if (*displayable == NULL || *displayable == (SkDisplayable*) -1)
continue;
SkDisplayable* deeper = (*displayable)->deepCopy(maker);
info->setMemberData(copy, deeper, sizeof(deeper));
continue;
}
if (info->fType == SkType_String || info->fType == SkType_DynamicString) {
SkString* string;
info->getString(this, &string);
info->setString(copy, string);
continue;
}
void* data = info->memberData(this);
size_t size = SkMemberInfo::GetSize(info->fType);
info->setMemberData(copy, data, size);
} while (true);
copy->dirty();
return copy;
}