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C++ TransformOperations::clear方法代码示例

本文整理汇总了C++中TransformOperations::clear方法的典型用法代码示例。如果您正苦于以下问题：C++ TransformOperations::clear方法的具体用法？C++ TransformOperations::clear怎么用？C++ TransformOperations::clear使用的例子？那么恭喜您, 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TransformOperations的用法示例。


在下文中一共展示了TransformOperations::clear方法的2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: createTransformOperations

bool TransformBuilder::createTransformOperations(CSSValue* inValue, RenderStyle* style, RenderStyle* rootStyle, TransformOperations& outOperations)
{
    if (!inValue || !inValue->isValueList()) {
        outOperations.clear();
        return false;
    }

    float zoomFactor = style ? style->effectiveZoom() : 1;
    TransformOperations operations;
    for (CSSValueListIterator i = inValue; i.hasMore(); i.advance()) {
        CSSValue* currValue = i.value();

        if (!currValue->isCSSTransformValue())
            continue;

        CSSTransformValue* transformValue = static_cast<CSSTransformValue*>(i.value());
        if (!transformValue->length())
            continue;

        bool haveNonPrimitiveValue = false;
        for (unsigned j = 0; j < transformValue->length(); ++j) {
            if (!transformValue->itemWithoutBoundsCheck(j)->isPrimitiveValue()) {
                haveNonPrimitiveValue = true;
                break;
            }
        }
        if (haveNonPrimitiveValue)
            continue;

        CSSPrimitiveValue* firstValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(0));

        switch (transformValue->operationType()) {
        case CSSTransformValue::ScaleTransformOperation:
        case CSSTransformValue::ScaleXTransformOperation:
        case CSSTransformValue::ScaleYTransformOperation: {
            double sx = 1.0;
            double sy = 1.0;
            if (transformValue->operationType() == CSSTransformValue::ScaleYTransformOperation)
                sy = firstValue->getDoubleValue();
            else {
                sx = firstValue->getDoubleValue();
                if (transformValue->operationType() != CSSTransformValue::ScaleXTransformOperation) {
                    if (transformValue->length() > 1) {
                        CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
                        sy = secondValue->getDoubleValue();
                    } else
                        sy = sx;
                }
            }
            operations.operations().append(ScaleTransformOperation::create(sx, sy, 1.0, getTransformOperationType(transformValue->operationType())));
            break;
        }
        case CSSTransformValue::ScaleZTransformOperation:
        case CSSTransformValue::Scale3DTransformOperation: {
            double sx = 1.0;
            double sy = 1.0;
            double sz = 1.0;
            if (transformValue->operationType() == CSSTransformValue::ScaleZTransformOperation)
                sz = firstValue->getDoubleValue();
            else if (transformValue->operationType() == CSSTransformValue::ScaleYTransformOperation)
                sy = firstValue->getDoubleValue();
            else {
                sx = firstValue->getDoubleValue();
                if (transformValue->operationType() != CSSTransformValue::ScaleXTransformOperation) {
                    if (transformValue->length() > 2) {
                        CSSPrimitiveValue* thirdValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(2));
                        sz = thirdValue->getDoubleValue();
                    }
                    if (transformValue->length() > 1) {
                        CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
                        sy = secondValue->getDoubleValue();
                    } else
                        sy = sx;
                }
            }
            operations.operations().append(ScaleTransformOperation::create(sx, sy, sz, getTransformOperationType(transformValue->operationType())));
            break;
        }
        case CSSTransformValue::TranslateTransformOperation:
        case CSSTransformValue::TranslateXTransformOperation:
        case CSSTransformValue::TranslateYTransformOperation: {
            Length tx = Length(0, Fixed);
            Length ty = Length(0, Fixed);
            if (transformValue->operationType() == CSSTransformValue::TranslateYTransformOperation)
                ty = convertToFloatLength(firstValue, style, rootStyle, zoomFactor);
            else {
                tx = convertToFloatLength(firstValue, style, rootStyle, zoomFactor);
                if (transformValue->operationType() != CSSTransformValue::TranslateXTransformOperation) {
                    if (transformValue->length() > 1) {
                        CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->itemWithoutBoundsCheck(1));
                        ty = convertToFloatLength(secondValue, style, rootStyle, zoomFactor);
                    }
                }
            }

            if (tx.isUndefined() || ty.isUndefined())
                return false;

            operations.operations().append(TranslateTransformOperation::create(tx, ty, Length(0, Fixed), getTransformOperationType(transformValue->operationType())));
            break;
//.........这里部分代码省略.........
开发者ID:windyuuy，项目名称:opera，代码行数:101，代码来源:TransformBuilder.cpp

示例2: createTransformOperations

bool TransformBuilder::createTransformOperations(CSSValue* inValue, const CSSToLengthConversionData& conversionData, TransformOperations& outOperations)
{
    if (!inValue || !inValue->isValueList()) {
        outOperations.clear();
        return false;
    }

    TransformOperations operations;
    for (CSSValueListIterator i = inValue; i.hasMore(); i.advance()) {
        CSSValue* currValue = i.value();

        if (!currValue->isTransformValue())
            continue;

        CSSTransformValue* transformValue = toCSSTransformValue(i.value());
        if (!transformValue->length())
            continue;

        bool haveNonPrimitiveValue = false;
        for (unsigned j = 0; j < transformValue->length(); ++j) {
            if (!transformValue->item(j)->isPrimitiveValue()) {
                haveNonPrimitiveValue = true;
                break;
            }
        }
        if (haveNonPrimitiveValue)
            continue;

        CSSPrimitiveValue* firstValue = toCSSPrimitiveValue(transformValue->item(0));

        switch (transformValue->operationType()) {
        case CSSTransformValue::ScaleTransformOperation:
        case CSSTransformValue::ScaleXTransformOperation:
        case CSSTransformValue::ScaleYTransformOperation: {
            double sx = 1.0;
            double sy = 1.0;
            if (transformValue->operationType() == CSSTransformValue::ScaleYTransformOperation)
                sy = firstValue->getDoubleValue();
            else {
                sx = firstValue->getDoubleValue();
                if (transformValue->operationType() != CSSTransformValue::ScaleXTransformOperation) {
                    if (transformValue->length() > 1) {
                        CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
                        sy = secondValue->getDoubleValue();
                    } else
                        sy = sx;
                }
            }
            operations.operations().append(ScaleTransformOperation::create(sx, sy, 1.0, getTransformOperationType(transformValue->operationType())));
            break;
        }
        case CSSTransformValue::ScaleZTransformOperation:
        case CSSTransformValue::Scale3DTransformOperation: {
            double sx = 1.0;
            double sy = 1.0;
            double sz = 1.0;
            if (transformValue->operationType() == CSSTransformValue::ScaleZTransformOperation)
                sz = firstValue->getDoubleValue();
            else if (transformValue->operationType() == CSSTransformValue::ScaleYTransformOperation)
                sy = firstValue->getDoubleValue();
            else {
                sx = firstValue->getDoubleValue();
                if (transformValue->operationType() != CSSTransformValue::ScaleXTransformOperation) {
                    if (transformValue->length() > 2) {
                        CSSPrimitiveValue* thirdValue = toCSSPrimitiveValue(transformValue->item(2));
                        sz = thirdValue->getDoubleValue();
                    }
                    if (transformValue->length() > 1) {
                        CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
                        sy = secondValue->getDoubleValue();
                    } else
                        sy = sx;
                }
            }
            operations.operations().append(ScaleTransformOperation::create(sx, sy, sz, getTransformOperationType(transformValue->operationType())));
            break;
        }
        case CSSTransformValue::TranslateTransformOperation:
        case CSSTransformValue::TranslateXTransformOperation:
        case CSSTransformValue::TranslateYTransformOperation: {
            Length tx = Length(0, Fixed);
            Length ty = Length(0, Fixed);
            if (transformValue->operationType() == CSSTransformValue::TranslateYTransformOperation)
                ty = convertToFloatLength(firstValue, conversionData);
            else {
                tx = convertToFloatLength(firstValue, conversionData);
                if (transformValue->operationType() != CSSTransformValue::TranslateXTransformOperation) {
                    if (transformValue->length() > 1) {
                        CSSPrimitiveValue* secondValue = toCSSPrimitiveValue(transformValue->item(1));
                        ty = convertToFloatLength(secondValue, conversionData);
                    }
                }
            }

            operations.operations().append(TranslateTransformOperation::create(tx, ty, 0, getTransformOperationType(transformValue->operationType())));
            break;
        }
        case CSSTransformValue::TranslateZTransformOperation:
        case CSSTransformValue::Translate3DTransformOperation: {
            Length tx = Length(0, Fixed);
//.........这里部分代码省略.........
开发者ID:Jamesducque，项目名称:mojo，代码行数:101，代码来源:TransformBuilder.cpp


注：本文中的TransformOperations::clear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。