Пример #1
0
void CSSToStyleMap::mapFillYPosition(CSSPropertyID propertyID, FillLayer* layer, CSSValue* value)
{
    if (value->isInitialValue()) {
        layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
        return;
    }

    if (!is<CSSPrimitiveValue>(*value))
        return;

    CSSPrimitiveValue* primitiveValue = downcast<CSSPrimitiveValue>(value);
    Pair* pair = primitiveValue->getPairValue();
    if (pair) {
        ASSERT_UNUSED(propertyID, propertyID == CSSPropertyBackgroundPositionY || propertyID == CSSPropertyWebkitMaskPositionY);
        primitiveValue = pair->second();
    }

    Length length;
    if (primitiveValue->isLength())
        length = primitiveValue->computeLength<Length>(m_resolver->state().cssToLengthConversionData());
    else if (primitiveValue->isPercentage())
        length = Length(primitiveValue->getDoubleValue(), Percent);
    else if (primitiveValue->isCalculatedPercentageWithLength())
        length = Length(primitiveValue->cssCalcValue()->createCalculationValue(m_resolver->state().cssToLengthConversionData()));
    else
        return;

    layer->setYPosition(length);
    if (pair)
        layer->setBackgroundYOrigin(*(pair->first()));
}
Пример #2
0
void CSSToStyleMap::mapFillYPosition(CSSPropertyID propertyID, FillLayer* layer, CSSValue* value)
{
    if (value->isInitialValue()) {
        layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
        return;
    }

    if (!value->isPrimitiveValue())
        return;

    float zoomFactor = style()->effectiveZoom();

    CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
    Pair* pair = primitiveValue->getPairValue();
    if (pair) {
        ASSERT_UNUSED(propertyID, propertyID == CSSPropertyBackgroundPositionY || propertyID == CSSPropertyWebkitMaskPositionY);
        primitiveValue = pair->second();
    }

    Length length;
    if (primitiveValue->isLength())
        length = primitiveValue->computeLength<Length>(style(), rootElementStyle(), zoomFactor);
    else if (primitiveValue->isPercentage())
        length = Length(primitiveValue->getDoubleValue(), Percent);
    else if (primitiveValue->isCalculatedPercentageWithLength())
        length = Length(primitiveValue->cssCalcValue()->toCalcValue(style(), rootElementStyle(), zoomFactor));
    else if (primitiveValue->isViewportPercentageLength())
        length = primitiveValue->viewportPercentageLength();
    else
        return;

    layer->setYPosition(length);
    if (pair)
        layer->setBackgroundYOrigin(*(pair->first()));
}
Пример #3
0
void CSSToStyleMap::mapFillYPosition(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
    if (value->isInitialValue()) {
        layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
        return;
    }

    if (!value->isPrimitiveValue())
        return;

    float zoomFactor = style()->effectiveZoom();

    CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
    Length length;
    if (primitiveValue->isLength())
        length = primitiveValue->computeLength<Length>(style(), rootElementStyle(), zoomFactor);
    else if (primitiveValue->isPercentage())
        length = Length(primitiveValue->getDoubleValue(), Percent);
    else if (primitiveValue->isCalculatedPercentageWithLength())
        length = Length(primitiveValue->cssCalcValue()->toCalcValue(style(), rootElementStyle(), zoomFactor));
    else if (primitiveValue->isViewportPercentageLength())
        length = primitiveValue->viewportPercentageLength();
    else
        return;
    layer->setYPosition(length);
}
void StyleBuilderFunctions::applyValueCSSPropertyLineHeight(StyleResolverState& state, CSSValue* value)
{
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    Length lineHeight;

    if (primitiveValue->getValueID() == CSSValueNormal) {
        lineHeight = RenderStyle::initialLineHeight();
    } else if (primitiveValue->isLength()) {
        lineHeight = primitiveValue->computeLength<Length>(state.cssToLengthConversionData());
    } else if (primitiveValue->isPercentage()) {
        lineHeight = Length((state.style()->computedFontSize() * primitiveValue->getIntValue()) / 100.0, Fixed);
    } else if (primitiveValue->isNumber()) {
        lineHeight = Length(primitiveValue->getDoubleValue() * 100.0, Percent);
    } else if (primitiveValue->isCalculated()) {
        Length length = Length(primitiveValue->cssCalcValue()->toCalcValue(state.cssToLengthConversionData()));
        lineHeight = Length(valueForLength(length, state.style()->fontSize()), Fixed);
    } else {
        return;
    }
    state.style()->setLineHeight(lineHeight);
}
Пример #5
0
PassRefPtrWillBeRawPtr<AnimatableLength> AnimatableLength::create(CSSValue* value)
{
    ASSERT(canCreateFrom(value));
    if (value->isPrimitiveValue()) {
        CSSPrimitiveValue* primitiveValue = WebCore::toCSSPrimitiveValue(value);
        const CSSCalcValue* calcValue = primitiveValue->cssCalcValue();
        if (calcValue)
            return create(calcValue->expressionNode(), primitiveValue);
        CSSPrimitiveValue::LengthUnitType unitType;
        bool isPrimitiveLength = CSSPrimitiveValue::unitTypeToLengthUnitType(primitiveValue->primitiveType(), unitType);
        ASSERT_UNUSED(isPrimitiveLength, isPrimitiveLength);
        const double scale = CSSPrimitiveValue::conversionToCanonicalUnitsScaleFactor(primitiveValue->primitiveType());
        return create(primitiveValue->getDoubleValue() * scale, unitType, primitiveValue);
    }

    if (value->isCalcValue())
        return create(toCSSCalcValue(value)->expressionNode());

    ASSERT_NOT_REACHED();
    return nullptr;
}
Пример #6
0
// FIXME: Have to pass RenderStyles here for calc/computed values. This shouldn't be neecessary.
void FontBuilder::setFontSizeValue(CSSValue* value, RenderStyle* parentStyle, const RenderStyle* rootElementStyle, float effectiveZoom)
{
    if (!value->isPrimitiveValue())
        return;

    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);

    FontDescriptionChangeScope scope(this);

    scope.fontDescription().setKeywordSize(0);
    float parentSize = 0;
    bool parentIsAbsoluteSize = false;
    float size = 0;

    // FIXME: Find out when parentStyle could be 0?
    if (parentStyle) {
        parentSize = parentStyle->fontDescription().specifiedSize();
        parentIsAbsoluteSize = parentStyle->fontDescription().isAbsoluteSize();
    }

    if (CSSValueID valueID = primitiveValue->getValueID()) {
        switch (valueID) {
        case CSSValueXxSmall:
        case CSSValueXSmall:
        case CSSValueSmall:
        case CSSValueMedium:
        case CSSValueLarge:
        case CSSValueXLarge:
        case CSSValueXxLarge:
        case CSSValueWebkitXxxLarge:
            size = FontSize::fontSizeForKeyword(m_document, valueID, scope.fontDescription().useFixedDefaultSize());
            scope.fontDescription().setKeywordSize(valueID - CSSValueXxSmall + 1);
            break;
        case CSSValueLarger:
            size = largerFontSize(parentSize);
            break;
        case CSSValueSmaller:
            size = smallerFontSize(parentSize);
            break;
        default:
            return;
        }

        scope.fontDescription().setIsAbsoluteSize(parentIsAbsoluteSize && (valueID == CSSValueLarger || valueID == CSSValueSmaller));
    } else {
        scope.fontDescription().setIsAbsoluteSize(parentIsAbsoluteSize || !(primitiveValue->isPercentage() || primitiveValue->isFontRelativeLength()));
        if (primitiveValue->isLength())
            size = primitiveValue->computeLength<float>(parentStyle, rootElementStyle, 1.0, true);
        else if (primitiveValue->isPercentage())
            size = (primitiveValue->getFloatValue() * parentSize) / 100.0f;
        else if (primitiveValue->isCalculatedPercentageWithLength())
            size = primitiveValue->cssCalcValue()->toCalcValue(parentStyle, rootElementStyle)->evaluate(parentSize);
        else if (primitiveValue->isViewportPercentageLength())
            size = valueForLength(primitiveValue->viewportPercentageLength(), 0, m_document->renderView());
        else
            return;
    }

    if (size < 0)
        return;

    // Overly large font sizes will cause crashes on some platforms (such as Windows).
    // Cap font size here to make sure that doesn't happen.
    size = std::min(maximumAllowedFontSize, size);

    setSize(scope.fontDescription(), effectiveZoom, size);
}