C++ SkAnimateMaker::getAppTime方法代码示例

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);
        }
//.........这里部分代码省略.........

bool SkApply::enable(SkAnimateMaker& maker) {
    fEnabled = true;
    bool initialized = fActive != NULL;
    if (dynamicScope.size() > 0)
        enableDynamic(maker);
    if (maker.fError.hasError()) 
        return false;
    int animators = fAnimators.count();
    int index;
    for (index = 0; index < animators; index++) {
        SkAnimateBase* animator = fAnimators[index];
        animator->fStart = maker.fEnableTime;
        animator->fResetPending = animator->fReset;
    }
    if (scope && scope->isApply())
        ((SkApply*) scope)->setEmbedded();
/*  if (mode == kMode_once) {
        if (scope) {
            activate(maker);
            interpolate(maker, maker.fEnableTime);
            inactivate(maker);
        }
        return true;
    }*/
    if ((mode == kMode_immediate || mode == kMode_create) && scope == NULL)
        return false;   // !!! error?
    bool enableMe = scope && (scope->hasEnable() || scope->isApply() || scope->isDrawable() == false);
    if (mode == kMode_immediate && enableMe || mode == kMode_create)
        activate(maker);    // for non-drawables like post, prime them here
    if (mode == kMode_immediate && enableMe)
        fActive->enable();
    if (mode == kMode_create && scope != NULL) {
        enableCreate(maker);
        return true;
    }
    if (mode == kMode_immediate) {
        return scope->isApply() || scope->isDrawable() == false;
    }
    refresh(maker);
    SkDisplayList& displayList = maker.fDisplayList;
    SkDrawable* drawable;
#if defined SK_DEBUG && defined SK_DEBUG_ANIMATION_TIMING
    SkString debugOut;
    SkMSec time = maker.getAppTime();
    debugOut.appendS32(time - maker.fDebugTimeBase);
    debugOut.append(" apply enable id=");
    debugOut.append(_id);
    debugOut.append("; start=");
    debugOut.appendS32(maker.fEnableTime - maker.fDebugTimeBase);
    SkDebugf("%s\n", debugOut.c_str());
#endif
    if (scope == NULL || scope->isApply() || scope->getType() == SkType_Movie || scope->isDrawable() == false) {
        activate(maker);    // for non-drawables like post, prime them here
        if (initialized) {
            append(this);
        }
        fEnabling = true;
        interpolate(maker, maker.fEnableTime);
        fEnabling = false;
        if (scope != NULL && dontDraw == false)
            scope->enable(maker);
        return true;
    } else if (initialized && restore == false)
        append(this);
#if 0
    bool wasActive = inactivate(maker); // start fresh
    if (wasActive) {
        activate(maker);
        interpolate(maker, maker.fEnableTime);
        return true;
    }
#endif
//  start here;
    // now that one apply might embed another, only the parent apply should replace the scope 
    // or get appended to the display list
    // similarly, an apply added by an add immediate has already been located in the display list
    // and should not get moved or added again here
    if (fEmbedded) {
        return false;   // already added to display list by embedder
    }
    drawable = (SkDrawable*) scope;
    SkTDDrawableArray* parentList;
    SkTDDrawableArray* grandList;
    SkGroup* parentGroup;
    SkGroup* thisGroup;
    int old = displayList.findGroup(drawable, &parentList, &parentGroup, &thisGroup, &grandList);
    if (old < 0)
        goto append;
    else if (fContainsScope) {
        if ((*parentList)[old] != this || restore == true) {
append:
            if (parentGroup)
                parentGroup->markCopySize(old);
            if (parentList->count() < 10000) {
                fAppended = true;
                *parentList->append() = this;
            } else
                maker.setErrorCode(SkDisplayXMLParserError::kDisplayTreeTooDeep);
            old = -1;
        } else
//.........这里部分代码省略.........