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]);
}
}
bool SkAnimatorScript::EvalID(const char* token, size_t len, void* user, SkScriptValue* value) {
SkAnimatorScript* engine = (SkAnimatorScript*) user;
SkTDict<SkDisplayable*>* ids = &engine->fMaker.fIDs;
SkDisplayable* displayable;
bool success = ids->find(token, len, &displayable);
if (success == false) {
displayable = engine->fWorking;
if (SK_LITERAL_STR_EQUAL("parent", token, len)) {
SkDisplayable* parent = displayable->getParent();
if (parent == false)
parent = engine->fParent;
if (parent) {
value->fOperand.fDisplayable = parent;
value->fType = SkType_Displayable;
return true;
}
}
if (displayable && EvalMember(token, len, displayable, engine, value))
return true;
value->fOperand.fString = NULL;
value->fType = SkType_String;
} else {
SkDisplayable* working = engine->fWorking;
value->fOperand.fDisplayable = displayable;
value->fType = SkType_Displayable;
if (displayable->canContainDependents() && working && working->isAnimate()) {
SkAnimateBase* animator = (SkAnimateBase*) working;
if (animator->isDynamic()) {
SkDisplayDepend* depend = (SkDisplayDepend* ) displayable;
depend->addDependent(working);
}
}
}
return true;
}
void SkApply::onEndElement(SkAnimateMaker& maker)
{
SkDrawable* scopePtr = scope;
while (scopePtr && scopePtr->isApply()) {
SkApply* scopedApply = (SkApply*) scopePtr;
if (scopedApply->scope == this) {
maker.setErrorCode(SkDisplayXMLParserError::kApplyScopesItself);
return;
}
scopePtr = scopedApply->scope;
}
if (mode == kMode_create)
return;
if (scope != NULL && steps >= 0 && scope->isApply() == false && scope->isDrawable())
scope->setSteps(steps);
for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < fAnimators.end(); animPtr++) {
SkAnimateBase* anim = *animPtr;
//for reusing apply statements with dynamic scope
if (anim->fTarget == NULL || anim->fTargetIsScope) {
anim->fTargetIsScope = true;
if (scope)
anim->fTarget = scope;
else
anim->setTarget(maker);
anim->onEndElement(maker); // allows animate->fFieldInfo to be set
}
if (scope != NULL && steps >= 0 && anim->fTarget != scope && anim->fTarget->isDrawable())
anim->fTarget->setSteps(steps);
}
}
void SkActive::setInterpolator(int index, SkOperand* from) {
if (from == NULL) // legitimate for set string
return;
SkAnimateBase* animate = fAnimators[index];
int entries = animate->entries();
SkASSERT(entries > 0);
SkMSec duration = fState[index].fDuration;
int components = animate->components();
SkOperandInterpolator& interpolator = *fInterpolators[index];
interpolator.reset(components, entries == 1 ? 2 : entries, animate->getValuesType());
interpolator.setMirror(SkToBool(animate->fMirror));
interpolator.setReset(SkToBool(animate->fReset));
interpolator.setRepeatCount(animate->repeat);
if (entries == 1) {
interpolator.setKeyFrame(0, 0, from, animate->blend[0]);
interpolator.setKeyFrame(1, duration, from, animate->blend[0]);
return;
}
for (int entry = 0; entry < entries; entry++) {
int blendIndex = SkMin32(animate->blend.count() - 1, entry);
interpolator.setKeyFrame(entry, entry * duration / (entries - 1), from,
animate->blend[blendIndex]);
from += components;
}
}
void SkActive::initState(SkApply* apply, int offset) {
int count = fState.count();
for (int index = offset; index < count; index++) {
SkState& state = fState[index];
SkAnimateBase* animate = fAnimators[index];
#if 0 // def SK_DEBUG
if (animate->fHasEndEvent)
SkDebugf("%8x %8x active initState:\n", this, animate);
#endif
SkOperand* from = animate->getValues();
state.fStartTime = state.fBegin = apply->begin + animate->begin;
state.fMode = apply->mode;
state.fTransition = apply->transition;
#if 0
state.fPickup = (SkBool8) apply->pickup;
#endif
state.fRestore = (SkBool8) apply->restore;
state.fSave = apply->begin;
state.fStarted = false;
state.fSteps = apply->steps;
state.fTicks = 0;
state.fUnpostedEndEvent = (SkBool8) animate->fHasEndEvent;
calcDurations(index);
setInterpolator(index, from);
}
if (count == 0 && (apply->mode == SkApply::kMode_immediate || apply->mode == SkApply::kMode_create))
fMaxTime = apply->begin + apply->steps * SK_MSec1;
}
void SkDisplayDepend::dirty() {
SkDisplayable** last = fDependents.end();
for (SkDisplayable** depPtr = fDependents.begin(); depPtr < last; depPtr++) {
SkAnimateBase* animate = (SkAnimateBase* ) *depPtr;
animate->setChanged(true);
}
}
void SkApply::refresh(SkAnimateMaker& maker) {
for (SkAnimateBase** animPtr = fAnimators.begin(); animPtr < fAnimators.end(); animPtr++) {
SkAnimateBase* animate = *animPtr;
animate->onEndElement(maker);
}
if (fActive)
fActive->resetInterpolators();
}
void SkActive::resetInterpolators() {
int animators = fAnimators.count();
for (int index = 0; index < animators; index++) {
SkAnimateBase* animate = fAnimators[index];
SkOperand* values = animate->getValues();
setInterpolator(index, values);
}
}
void SkDisplayEvent::onEndElement(SkAnimateMaker& maker)
{
if (kind == kUser)
return;
maker.fEvents.addEvent(this);
if (kind == kOnEnd) {
SkDEBUGCODE(bool found = ) maker.find(target.c_str(), &fTarget);
SkASSERT(found);
SkASSERT(fTarget && fTarget->isAnimate());
SkAnimateBase* animate = (SkAnimateBase*) fTarget;
animate->setHasEndEvent();
}
void SkActive::fixInterpolator(SkBool save) {
int animators = fAnimators.count();
for (int index = 0; index < animators; index++) {
SkAnimateBase* animate = fAnimators[index];
if (save) { // saved slots increased
animate->refresh(fMaker);
SkOperand* values = animate->getValues();
setInterpolator(index, values);
saveInterpolatorValues(index);
} else
restoreInterpolatorValues(index);
}
}
void SkApply::dump(SkAnimateMaker* maker) {
dumpBase(maker);
if (dynamicScope.isEmpty() == false)
SkDebugf("dynamicScope=\"%s\" ", dynamicScope.c_str());
if (dontDraw)
SkDebugf("dontDraw=\"true\" ");
if (begin != 0) //perhaps we want this no matter what?
SkDebugf("begin=\"%g\" ", (float) begin/1000.0f); //is this correct?
if (interval != (SkMSec) -1)
SkDebugf("interval=\"%g\" ", (float) interval/1000.0f);
if (steps != -1)
SkDebugf("steps=\"%d\" ", steps);
if (restore)
SkDebugf("restore=\"true\" ");
if (transition == kTransition_reverse)
SkDebugf("transition=\"reverse\" ");
if (mode == kMode_immediate) {
SkDebugf("mode=\"immediate\" ");
}
else if (mode == kMode_create) {
SkDebugf("mode=\"create\" ");
}
bool closedYet = false;
SkDisplayList::fIndent += 4;
int save = SkDisplayList::fDumpIndex;
if (scope) {
if (closedYet == false) {
SkDebugf(">\n");
closedYet = true;
}
scope->dump(maker);
}
int index;
// if (fActive) {
for (index = 0; index < fAnimators.count(); index++) {
if (closedYet == false) {
SkDebugf(">\n");
closedYet = true;
}
SkAnimateBase* animator = fAnimators[index];
animator->dump(maker);
// }
}
SkDisplayList::fIndent -= 4;
SkDisplayList::fDumpIndex = save;
if (closedYet)
dumpEnd(maker);
else
SkDebugf("/>\n");
}
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 SkApply::setProperty(int index, SkScriptValue& scriptValue) {
switch (index) {
case SK_PROPERTY(animator): {
SkAnimateBase* animate = (SkAnimateBase*) scriptValue.fOperand.fDisplayable;
SkASSERT(animate->isAnimate());
*fAnimators.append() = animate;
return true;
}
case SK_PROPERTY(steps):
steps = scriptValue.fOperand.fS32;
if (fActive)
fActive->setSteps(steps);
return true;
}
return false;
}
void SkApply::applyValues(int animatorIndex, SkOperand* values, int count,
SkDisplayTypes valuesType, SkMSec time)
{
SkAnimateBase* animator = fActive->fAnimators[animatorIndex];
const SkMemberInfo * info = animator->fFieldInfo;
SkASSERT(animator);
SkASSERT(info != NULL);
SkDisplayTypes type = (SkDisplayTypes) info->fType;
SkDisplayable* target = getTarget(animator);
if (animator->hasExecute() || type == SkType_MemberFunction || type == SkType_MemberProperty) {
SkDisplayable* executor = animator->hasExecute() ? animator : target;
if (type != SkType_MemberProperty) {
SkTDArray<SkScriptValue> typedValues;
for (int index = 0; index < count; index++) {
SkScriptValue temp;
temp.fType = valuesType;
temp.fOperand = values[index];
*typedValues.append() = temp;
}
executor->executeFunction(target, info->functionIndex(), typedValues, info->getType(), NULL);
} else {
SkScriptValue scriptValue;
scriptValue.fOperand = values[0];
scriptValue.fType = info->getType();
target->setProperty(info->propertyIndex(), scriptValue);
}
} else {
SkTypedArray converted;
if (type == SkType_ARGB) {
if (count == 4) {
// !!! assert that it is SkType_Float ?
animator->packARGB(&values->fScalar, count, &converted);
values = converted.begin();
count = converted.count();
} else {
SkASSERT(count == 1);
}
}
// SkASSERT(type == SkType_ARGB || type == SkType_String ||info->isSettable());
if (type == SkType_String || type == SkType_DynamicString)
info->setString(target, values->fString);
else if (type == SkType_Drawable || type == SkType_Displayable)
target->setReference(info, values->fDisplayable);
else
info->setValue(target, values, count);
}
}
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;
}
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;
}
