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 SkDisplayEvent::populateInput(SkAnimateMaker& maker, const SkEvent& fEvent) {
const SkMetaData& meta = fEvent.getMetaData();
SkMetaData::Iter iter(meta);
SkMetaData::Type type;
int number;
const char* name;
while ((name = iter.next(&type, &number)) != NULL) {
if (name[0] == '\0')
continue;
SkDisplayable* displayable;
SkInput* input;
for (int index = 0; index < fChildren.count(); index++) {
displayable = fChildren[index];
if (displayable->getType() != SkType_Input)
continue;
input = (SkInput*) displayable;
if (input->name.equals(name))
goto found;
}
if (!maker.find(name, &displayable) || displayable->getType() != SkType_Input)
continue;
input = (SkInput*) displayable;
found:
switch (type) {
case SkMetaData::kS32_Type:
meta.findS32(name, &input->fInt);
break;
case SkMetaData::kScalar_Type:
meta.findScalar(name, &input->fFloat);
break;
case SkMetaData::kPtr_Type:
SkASSERT(0);
break; // !!! not handled for now
case SkMetaData::kString_Type:
input->string.set(meta.findString(name));
break;
default:
SkASSERT(0);
}
}
// re-evaluate all animators that may have built their values from input strings
for (SkDisplayable** childPtr = fChildren.begin(); childPtr < fChildren.end(); childPtr++) {
SkDisplayable* displayable = *childPtr;
if (displayable->isApply() == false)
continue;
SkApply* apply = (SkApply*) displayable;
apply->refresh(maker);
}
}
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);
}