C++ (Cpp) KeyframeVector::isEmpty Examples

Example #1

File: KeyframeEffectModel.cpp Project: darktears/blink-crosswalk

KeyframeEffectModelBase::KeyframeVector KeyframeEffectModelBase::normalizedKeyframes(const KeyframeVector& keyframes)
{
    double lastOffset = 0;
    KeyframeVector result;
    result.reserveCapacity(keyframes.size());

    for (size_t i = 0; i < keyframes.size(); ++i) {
        double offset = keyframes[i]->offset();
        if (!isNull(offset)) {
            ASSERT(offset >= 0);
            ASSERT(offset <= 1);
            ASSERT(offset >= lastOffset);
            lastOffset = offset;
        }
        result.append(keyframes[i]->clone());
    }

    if (result.isEmpty()) {
        return result;
    }

    if (isNull(result.last()->offset()))
        result.last()->setOffset(1);

    if (result.size() > 1 && isNull(result[0]->offset()))
        result[0]->setOffset(0);

    size_t lastIndex = 0;
    lastOffset = result[0]->offset();
    for (size_t i = 1; i < result.size(); ++i) {
        double offset = result[i]->offset();
        if (!isNull(offset)) {
            for (size_t j = 1; j < i - lastIndex; ++j)
                result[lastIndex + j]->setOffset(lastOffset + (offset - lastOffset) * j / (i - lastIndex));
            lastIndex = i;
            lastOffset = offset;
        }
    }

    return result;
}

Example #2

KeyframeEffectModelBase::KeyframeVector
KeyframeEffectModelBase::normalizedKeyframes(const KeyframeVector& keyframes) {
  double lastOffset = 0;
  KeyframeVector result;
  result.reserveCapacity(keyframes.size());

  for (const auto& keyframe : keyframes) {
    double offset = keyframe->offset();
    if (!isNull(offset)) {
      DCHECK_GE(offset, 0);
      DCHECK_LE(offset, 1);
      DCHECK_GE(offset, lastOffset);
      lastOffset = offset;
    }
    result.push_back(keyframe->clone());
  }

  if (result.isEmpty())
    return result;

  if (isNull(result.back()->offset()))
    result.back()->setOffset(1);

  if (result.size() > 1 && isNull(result[0]->offset()))
    result.front()->setOffset(0);

  size_t lastIndex = 0;
  lastOffset = result.front()->offset();
  for (size_t i = 1; i < result.size(); ++i) {
    double offset = result[i]->offset();
    if (!isNull(offset)) {
      for (size_t j = 1; j < i - lastIndex; ++j)
        result[lastIndex + j]->setOffset(
            lastOffset + (offset - lastOffset) * j / (i - lastIndex));
      lastIndex = i;
      lastOffset = offset;
    }
  }

  return result;
}