virtual SkScalar next(SkPath* dst, SkScalar distance, SkPathMeasure& )
{
fMaker->setExtraPropertyCallBack(fDraw->fType, GetDistance, &distance);
SkDrawPath* drawPath = NULL;
if (fDraw->addPath->isPath()) {
drawPath = (SkDrawPath*) fDraw->addPath;
} else {
SkApply* apply = (SkApply*) fDraw->addPath;
apply->refresh(*fMaker);
apply->activate(*fMaker);
apply->interpolate(*fMaker, SkScalarMulRound(distance, 1000));
drawPath = (SkDrawPath*) apply->getScope();
}
SkMatrix m;
m.reset();
if (fDraw->addMatrix) {
SkDrawMatrix* matrix;
if (fDraw->addMatrix->getType() == SkType_Matrix)
matrix = (SkDrawMatrix*) fDraw->addMatrix;
else {
SkApply* apply = (SkApply*) fDraw->addMatrix;
apply->refresh(*fMaker);
apply->activate(*fMaker);
apply->interpolate(*fMaker, SkScalarMulRound(distance, 1000));
matrix = (SkDrawMatrix*) apply->getScope();
}
}
SkScalar result = 0;
SkAnimatorScript::EvaluateFloat(*fMaker, NULL, fDraw->spacing.c_str(), &result);
if (drawPath)
dst->addPath(drawPath->getPath(), m);
fMaker->clearExtraPropertyCallBack(fDraw->fType);
return result;
}
void SkApply::enableCreate(SkAnimateMaker& maker) {
SkString newID;
for (int step = 0; step <= steps; step++) {
fLastTime = step * SK_MSec1;
bool success = maker.computeID(scope, this, &newID);
if (success == false)
return;
if (maker.find(newID.c_str(), NULL))
continue;
SkApply* copy = (SkApply*) deepCopy(&maker); // work on copy of animator state
if (mode == kMode_create)
copy->mode = (Mode) -1;
SkDrawable* copyScope = copy->scope = (SkDrawable*) scope->deepCopy(&maker);
*fScopes.append() = copyScope;
if (copyScope->resolveIDs(maker, scope, this)) {
step = steps; // quit
goto next; // resolveIDs failed
}
if (newID.size() > 0)
maker.setID(copyScope, newID);
if (copy->resolveIDs(maker, this, this)) { // fix up all fields, including target
step = steps; // quit
goto next; // resolveIDs failed
}
copy->activate(maker);
copy->interpolate(maker, step * SK_MSec1);
maker.removeActive(copy->fActive);
next:
delete copy;
}
}
virtual void next(const SkPoint& loc, int u, int v, SkPath* dst)
{
fLoc = loc;
fU = u;
fV = v;
SkDrawPath* drawPath;
fMaker->setExtraPropertyCallBack(fDraw->fType, Get2D, this);
if (fDraw->addPath->isPath()) {
drawPath = (SkDrawPath*) fDraw->addPath;
} else {
SkApply* apply = (SkApply*) fDraw->addPath;
apply->refresh(*fMaker);
apply->activate(*fMaker);
apply->interpolate(*fMaker, v);
drawPath = (SkDrawPath*) apply->getScope();
}
if (drawPath == NULL)
goto clearCallBack;
if (fDraw->matrix) {
SkDrawMatrix* matrix;
if (fDraw->matrix->getType() == SkType_Matrix)
matrix = (SkDrawMatrix*) fDraw->matrix;
else {
SkApply* apply = (SkApply*) fDraw->matrix;
apply->activate(*fMaker);
apply->interpolate(*fMaker, v);
matrix = (SkDrawMatrix*) apply->getScope();
}
if (matrix) {
dst->addPath(drawPath->getPath(), matrix->getMatrix());
goto clearCallBack;
}
}
dst->addPath(drawPath->getPath());
clearCallBack:
fMaker->clearExtraPropertyCallBack(fDraw->fType);
}
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
reset();
} else {
SkASSERT(old < parentList->count());
if ((*parentList)[old]->isApply()) {
SkApply* apply = (SkApply*) (*parentList)[old];
if (apply != this && apply->fActive == NULL)
apply->activate(maker);
apply->append(this);
parentGroup = NULL;
} else {
if (parentGroup)
parentGroup->markCopySize(old);
SkDrawable** newApplyLocation = &(*parentList)[old];
SkGroup* pGroup;
int oldApply = displayList.findGroup(this, &parentList, &pGroup, &thisGroup, &grandList);
if (oldApply >= 0) {
(*parentList)[oldApply] = (SkDrawable*) SkDisplayType::CreateInstance(&maker, SkType_Apply);
parentGroup = NULL;
fDeleteScope = true;
}
*newApplyLocation = this;
}
}
if (parentGroup) {
parentGroup->markCopySet(old);
fDeleteScope = dynamicScope.size() == 0;
}
return true;
}