当前位置: 首页>>代码示例>>C++>>正文

C++ KeyframeVector::size方法代码示例

本文整理汇总了C++中KeyframeVector::size方法的典型用法代码示例。如果您正苦于以下问题：C++ KeyframeVector::size方法的具体用法？C++ KeyframeVector::size怎么用？C++ KeyframeVector::size使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类KeyframeVector的用法示例。


在下文中一共展示了KeyframeVector::size方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: addKeyframesToCurve

void CompositorAnimationsImpl::addKeyframesToCurve(blink::WebAnimationCurve& curve, const KeyframeVector& keyframes, const TimingFunction& timingFunction)
{
    for (size_t i = 0; i < keyframes.size(); i++) {
        const TimingFunction* keyframeTimingFunction = 0;
        if (i + 1 < keyframes.size()) { // Last keyframe has no timing function
            switch (timingFunction.type()) {
            case TimingFunction::LinearFunction:
            case TimingFunction::CubicBezierFunction:
                keyframeTimingFunction = &timingFunction;
                break;

            case TimingFunction::ChainedFunction: {
                const ChainedTimingFunction& chained = toChainedTimingFunction(timingFunction);
                // ChainedTimingFunction criteria was checked in isCandidate,
                // assert it is valid.
                ASSERT(keyframes.size() == chained.m_segments.size() + 1);

                keyframeTimingFunction = chained.m_segments[i].m_timingFunction.get();
                break;
            }
            case TimingFunction::StepsFunction:
            default:
                ASSERT_NOT_REACHED();
            }
        }

        ASSERT(!keyframes[i]->value()->dependsOnUnderlyingValue());
        RefPtr<AnimatableValue> value = keyframes[i]->value()->compositeOnto(0);

        switch (curve.type()) {
        case blink::WebAnimationCurve::AnimationCurveTypeFilter: {
            OwnPtr<blink::WebFilterOperations> ops = adoptPtr(blink::Platform::current()->compositorSupport()->createFilterOperations());
            bool converted = toWebFilterOperations(toAnimatableFilterOperations(value.get())->operations(), ops.get());
            ASSERT_UNUSED(converted, converted);

            blink::WebFilterKeyframe filterKeyframe(keyframes[i]->offset(), ops.release());
            blink::WebFilterAnimationCurve* filterCurve = static_cast<blink::WebFilterAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*filterCurve, filterKeyframe, keyframeTimingFunction);
            break;
        }
        case blink::WebAnimationCurve::AnimationCurveTypeFloat: {
            blink::WebFloatKeyframe floatKeyframe(keyframes[i]->offset(), toAnimatableDouble(value.get())->toDouble());
            blink::WebFloatAnimationCurve* floatCurve = static_cast<blink::WebFloatAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*floatCurve, floatKeyframe, keyframeTimingFunction);
            break;
        }
        case blink::WebAnimationCurve::AnimationCurveTypeTransform: {
            OwnPtr<blink::WebTransformOperations> ops = adoptPtr(blink::Platform::current()->compositorSupport()->createTransformOperations());
            toWebTransformOperations(toAnimatableTransform(value.get())->transformOperations(), FloatSize(), ops.get());

            blink::WebTransformKeyframe transformKeyframe(keyframes[i]->offset(), ops.release());
            blink::WebTransformAnimationCurve* transformCurve = static_cast<blink::WebTransformAnimationCurve*>(&curve);
            addKeyframeWithTimingFunction(*transformCurve, transformKeyframe, keyframeTimingFunction);
            break;
        }
        default:
            ASSERT_NOT_REACHED();
        }
    }
}
开发者ID:wangshijun，项目名称:Blink，代码行数:60，代码来源:CompositorAnimations.cpp

示例2: keyframes

TEST_F(KeyframeEffectModelTest, EvenlyDistributed3)
{
    KeyframeVector keyframes(12);
    keyframes[0] = AnimatableValueKeyframe::create();
    keyframes[0]->setOffset(0);
    keyframes[1] = AnimatableValueKeyframe::create();
    keyframes[2] = AnimatableValueKeyframe::create();
    keyframes[3] = AnimatableValueKeyframe::create();
    keyframes[4] = AnimatableValueKeyframe::create();
    keyframes[4]->setOffset(0.5);
    keyframes[5] = AnimatableValueKeyframe::create();
    keyframes[6] = AnimatableValueKeyframe::create();
    keyframes[7] = AnimatableValueKeyframe::create();
    keyframes[7]->setOffset(0.8);
    keyframes[8] = AnimatableValueKeyframe::create();
    keyframes[9] = AnimatableValueKeyframe::create();
    keyframes[10] = AnimatableValueKeyframe::create();
    keyframes[11] = AnimatableValueKeyframe::create();

    const KeyframeVector result = normalizedKeyframes(keyframes);
    EXPECT_EQ(12U, result.size());
    EXPECT_DOUBLE_EQ(0.0, result[0]->offset());
    EXPECT_DOUBLE_EQ(0.125, result[1]->offset());
    EXPECT_DOUBLE_EQ(0.25, result[2]->offset());
    EXPECT_DOUBLE_EQ(0.375, result[3]->offset());
    EXPECT_DOUBLE_EQ(0.5, result[4]->offset());
    EXPECT_DOUBLE_EQ(0.6, result[5]->offset());
    EXPECT_DOUBLE_EQ(0.7, result[6]->offset());
    EXPECT_DOUBLE_EQ(0.8, result[7]->offset());
    EXPECT_DOUBLE_EQ(0.85, result[8]->offset());
    EXPECT_DOUBLE_EQ(0.9, result[9]->offset());
    EXPECT_DOUBLE_EQ(0.95, result[10]->offset());
    EXPECT_DOUBLE_EQ(1.0, result[11]->offset());
}
开发者ID:aobzhirov，项目名称:ChromiumGStreamerBackend，代码行数:34，代码来源:KeyframeEffectModelTest.cpp

示例3: normalizedKeyframes

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;
}
开发者ID:darktears，项目名称:blink-crosswalk，代码行数:41，代码来源:KeyframeEffectModel.cpp

示例4: 

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;
}
开发者ID:，项目名称:，代码行数:41，代码来源:

示例5: keyframes

TEST_F(KeyframeEffectModelTest, LastOne)
{
    KeyframeEffectModel::KeyframeVector keyframes(3);
    keyframes[0] = Keyframe::create();
    keyframes[0]->setOffset(-1);
    keyframes[1] = Keyframe::create();
    keyframes[2] = Keyframe::create();
    keyframes[2]->setOffset(2);

    const KeyframeVector result = normalizedKeyframes(keyframes);
    EXPECT_EQ(1U, result.size());
    EXPECT_DOUBLE_EQ(1.0, result[0]->offset());
}
开发者ID:Tkkg1994，项目名称:Platfrom-kccat6，代码行数:13，代码来源:KeyframeEffectModelTest.cpp

示例6: trainSURFMatcher

void trainSURFMatcher(
  const KeyframeVector& keyframes,
  cv::FlannBasedMatcher& matcher)
{  
  std::vector<cv::Mat> descriptors_vector;
  for (unsigned int kf_idx = 0; kf_idx < keyframes.size(); ++kf_idx)
  {
    const RGBDKeyframe& keyframe = keyframes[kf_idx];
    descriptors_vector.push_back(keyframe.descriptors);
  }
  matcher.add(descriptors_vector);

  matcher.train();
}
开发者ID:Modasshir，项目名称:socrob-ros-pkg，代码行数:14，代码来源:map_util.cpp

示例7: saveKeyframes

bool saveKeyframes(
  const KeyframeVector& keyframes, 
  const std::string& path)
{
  for (unsigned int kf_idx = 0; kf_idx < keyframes.size(); ++kf_idx)
  {
    std::stringstream ss_idx;
    ss_idx << std::setw(4) << std::setfill('0') << kf_idx;
    
    std::string kf_path = path + "/" + ss_idx.str();

    bool save_result = RGBDKeyframe::save(keyframes[kf_idx], kf_path); 
    if (!save_result) return false;
  }

  return true;
}
开发者ID:govindsaria，项目名称:ccny_rgbd_tools，代码行数:17，代码来源:rgbd_keyframe.cpp

示例8: normalizedKeyframes

KeyframeEffectModelBase::KeyframeVector KeyframeEffectModelBase::normalizedKeyframes(const KeyframeVector& keyframes)
{
    // keyframes [beginIndex, endIndex) will remain after removing all keyframes if they are not
    // loosely sorted by offset, and after removing keyframes with positional offset outide [0, 1].
    size_t beginIndex = 0;
    size_t endIndex = keyframes.size();

    // Becomes the most recent keyframe with an explicit offset.
    size_t lastIndex = endIndex;
    double lastOffset = std::numeric_limits<double>::quiet_NaN();

    for (size_t i = 0; i < keyframes.size(); ++i) {
        double offset = keyframes[i]->offset();
        if (!isNull(offset)) {
            if (lastIndex < i && offset < lastOffset) {
                // The keyframes are not loosely sorted by offset. Exclude all.
                endIndex = beginIndex;
                break;
            }

            if (offset < 0) {
                // Remove all keyframes up to and including this keyframe.
                beginIndex = i + 1;
            } else if (offset > 1) {
                // Remove all keyframes from this keyframe onwards. Note we must complete our checking
                // that the keyframes are loosely sorted by offset, so we can't exit the loop early.
                endIndex = std::min(i, endIndex);
            }

            lastIndex = i;
            lastOffset = offset;
        }
    }

    KeyframeVector result;
    if (beginIndex != endIndex) {
        result.reserveCapacity(endIndex - beginIndex);
        for (size_t i = beginIndex; i < endIndex; ++i) {
            result.append(keyframes[i]->clone());
        }

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

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

        lastIndex = 0;
        lastOffset = result[0]->offset();
        for (size_t i = 1; i < result.size(); ++i) {
            double offset = result[i]->offset();
            if (!isNull(offset)) {
                if (lastIndex + 1 < i) {
                    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;
}
开发者ID:coinpayee，项目名称:blink，代码行数:63，代码来源:KeyframeEffectModel.cpp


注：本文中的KeyframeVector::size方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。