SkMSec SkActive::SkState::getRelativeTime(SkMSec time) {
SkMSec result = time;
// if (fMode == SkApply::kMode_hold)
// result = fSave;
// else
if (fTransition == SkApply::kTransition_reverse) {
if (SkMSec_LT(fDuration, time))
result = 0;
else
result = fDuration - time;
}
return result;
}
bool SkApply::interpolate(SkAnimateMaker& maker, SkMSec rawTime) {
if (fActive == NULL)
return false;
bool result = false;
#if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
SkMSec time = maker.getAppTime();
if (lastTime == (SkMSec) -1)
lastTime = rawTime - 1;
if (fActive != NULL &&
strcmp(id, "a3") == 0 && rawTime > lastTime) {
lastTime += 1000;
SkString debugOut;
debugOut.appendS32(time - maker.fDebugTimeBase);
debugOut.append(" apply id=");
debugOut.append(_id);
debugOut.append("; ");
debugOut.append(fActive->fAnimators[0]->_id);
debugOut.append("=");
debugOut.appendS32(rawTime - fActive->fState[0].fStartTime);
debugOut.append(")");
SkDebugf("%s\n", debugOut.c_str());
}
#endif
fActive->start();
if (restore)
fActive->initializeSave();
int animators = fActive->fAnimators.count();
for (int inner = 0; inner < animators; inner++) {
SkAnimateBase* animate = fActive->fAnimators[inner];
if (animate->fChanged) {
animate->fChanged = false;
animate->fStart = rawTime;
// SkTypedArray values;
// int count = animate->fValues.count();
// values.setCount(count);
// memcpy(values.begin(), animate->fValues.begin(), sizeof(SkOperand) * count);
animate->onEndElement(maker);
// if (memcmp(values.begin(), animate->fValues.begin(), sizeof(SkOperand) * count) != 0) {
fActive->append(this);
fActive->start();
// }
}
SkMSec time = fActive->getTime(rawTime, inner);
SkActive::SkState& state = fActive->fState[inner];
if (SkMSec_LT(rawTime, state.fStartTime)) {
if (fEnabling) {
animate->fDelayed = true;
maker.delayEnable(this, state.fStartTime);
}
continue;
} else
animate->fDelayed = false;
SkMSec innerTime = fLastTime = state.getRelativeTime(time);
if (restore)
fActive->restoreInterpolatorValues(inner);
if (animate->fReset) {
if (transition != SkApply::kTransition_reverse) {
if (SkMSec_LT(state.fBegin + state.fDuration, innerTime)) {
if (animate->fResetPending) {
innerTime = 0;
animate->fResetPending = false;
} else
continue;
}
} else if (innerTime == 0) {
if (animate->fResetPending) {
innerTime = state.fBegin + state.fDuration;
animate->fResetPending = false;
} else
continue;
}
}
int count = animate->components();
SkAutoSTMalloc<16, SkOperand> values(count);
SkInterpolatorBase::Result interpResult = fActive->fInterpolators[inner]->timeToValues(
innerTime, values.get());
result |= (interpResult != SkInterpolatorBase::kFreezeEnd_Result);
if ((transition != SkApply::kTransition_reverse && interpResult == SkInterpolatorBase::kFreezeEnd_Result ||
transition == SkApply::kTransition_reverse && fLastTime == 0) && state.fUnpostedEndEvent) {
// SkDEBUGF(("interpolate: post on end\n"));
state.fUnpostedEndEvent = false;
maker.postOnEnd(animate, state.fBegin + state.fDuration);
maker.fAdjustedStart = 0; // !!! left over from synchronizing animation days, undoubtably out of date (and broken)
}
if (animate->formula.size() > 0) {
if (fLastTime > animate->dur)
fLastTime = animate->dur;
SkTypedArray formulaValues;
formulaValues.setCount(count);
bool success = animate->fFieldInfo->setValue(maker, &formulaValues, 0, 0, NULL,
animate->getValuesType(), animate->formula);
SkASSERT(success);
if (restore)
save(inner); // save existing value
applyValues(inner, formulaValues.begin(), count, animate->getValuesType(), innerTime);
} else {
if (restore)
save(inner); // save existing value
applyValues(inner, values.get(), count, animate->getValuesType(), innerTime);
}
}
return result;
}