C++ RenderStyle::fontStretch方法代码示例

// FIXME: Generate this function.
PassRefPtr<AnimatableValue> CSSAnimatableValueFactory::create(CSSPropertyID property, const RenderStyle& style)
{
    ASSERT(CSSPropertyMetadata::isAnimatableProperty(property));
    switch (property) {
    case CSSPropertyBackgroundColor:
        return createFromColor(property, style);
    case CSSPropertyBackgroundImage:
        return createFromFillLayers<CSSPropertyBackgroundImage>(style.backgroundLayers(), style);
    case CSSPropertyBackgroundPositionX:
        return createFromFillLayers<CSSPropertyBackgroundPositionX>(style.backgroundLayers(), style);
    case CSSPropertyBackgroundPositionY:
        return createFromFillLayers<CSSPropertyBackgroundPositionY>(style.backgroundLayers(), style);
    case CSSPropertyBackgroundSize:
    case CSSPropertyWebkitBackgroundSize:
        return createFromFillLayers<CSSPropertyBackgroundSize>(style.backgroundLayers(), style);
    case CSSPropertyBorderBottomColor:
        return createFromColor(property, style);
    case CSSPropertyBorderBottomLeftRadius:
        return createFromLengthSize(style.borderBottomLeftRadius(), style);
    case CSSPropertyBorderBottomRightRadius:
        return createFromLengthSize(style.borderBottomRightRadius(), style);
    case CSSPropertyBorderBottomWidth:
        return createFromDouble(style.borderBottomWidth());
    case CSSPropertyBorderImageOutset:
        return createFromBorderImageLengthBox(style.borderImageOutset(), style);
    case CSSPropertyBorderImageSlice:
        return createFromLengthBox(style.borderImageSlices(), style);
    case CSSPropertyBorderImageSource:
        return createFromStyleImage(style.borderImageSource());
    case CSSPropertyBorderImageWidth:
        return createFromBorderImageLengthBox(style.borderImageWidth(), style);
    case CSSPropertyBorderLeftColor:
        return createFromColor(property, style);
    case CSSPropertyBorderLeftWidth:
        return createFromDouble(style.borderLeftWidth());
    case CSSPropertyBorderRightColor:
        return createFromColor(property, style);
    case CSSPropertyBorderRightWidth:
        return createFromDouble(style.borderRightWidth());
    case CSSPropertyBorderTopColor:
        return createFromColor(property, style);
    case CSSPropertyBorderTopLeftRadius:
        return createFromLengthSize(style.borderTopLeftRadius(), style);
    case CSSPropertyBorderTopRightRadius:
        return createFromLengthSize(style.borderTopRightRadius(), style);
    case CSSPropertyBorderTopWidth:
        return createFromDouble(style.borderTopWidth());
    case CSSPropertyBottom:
        return createFromLength(style.bottom(), style);
    case CSSPropertyBoxShadow:
    case CSSPropertyWebkitBoxShadow:
        return AnimatableShadow::create(style.boxShadow());
    case CSSPropertyClip:
        if (style.hasAutoClip())
            return AnimatableUnknown::create(CSSPrimitiveValue::create(CSSValueAuto));
        return createFromLengthBox(style.clip(), style);
    case CSSPropertyColor:
        return createFromColor(property, style);
    case CSSPropertyFilter:
        return AnimatableFilterOperations::create(style.filter());
    case CSSPropertyFlexGrow:
        return createFromDouble(style.flexGrow(), AnimatableDouble::InterpolationIsNonContinuousWithZero);
    case CSSPropertyFlexShrink:
        return createFromDouble(style.flexShrink(), AnimatableDouble::InterpolationIsNonContinuousWithZero);
    case CSSPropertyFlexBasis:
        return createFromLength(style.flexBasis(), style);
    case CSSPropertyFontSize:
        // Must pass a specified size to setFontSize if Text Autosizing is enabled, but a computed size
        // if text zoom is enabled (if neither is enabled it's irrelevant as they're probably the same).
        // FIXME: Should we introduce an option to pass the computed font size here, allowing consumers to
        // enable text zoom rather than Text Autosizing? See http://crbug.com/227545.
        return createFromDouble(style.specifiedFontSize());
    case CSSPropertyFontStretch:
        return createFromFontStretch(style.fontStretch());
    case CSSPropertyFontWeight:
        return createFromFontWeight(style.fontWeight());
    case CSSPropertyHeight:
        return createFromLength(style.height(), style);
    case CSSPropertyLeft:
        return createFromLength(style.left(), style);
    case CSSPropertyLetterSpacing:
        return createFromDouble(style.letterSpacing());
    case CSSPropertyLineHeight:
        return createFromLineHeight(style.specifiedLineHeight(), style);
    case CSSPropertyMarginBottom:
        return createFromLength(style.marginBottom(), style);
    case CSSPropertyMarginLeft:
        return createFromLength(style.marginLeft(), style);
    case CSSPropertyMarginRight:
        return createFromLength(style.marginRight(), style);
    case CSSPropertyMarginTop:
        return createFromLength(style.marginTop(), style);
    case CSSPropertyMaxHeight:
        return createFromLength(style.maxHeight(), style);
    case CSSPropertyMaxWidth:
        return createFromLength(style.maxWidth(), style);
    case CSSPropertyMinHeight:
        return createFromLength(style.minHeight(), style);
    case CSSPropertyMinWidth:
//.........这里部分代码省略.........

bool CSSPropertyEquality::propertiesEqual(CSSPropertyID prop, const RenderStyle& a, const RenderStyle& b)
{
    switch (prop) {
    case CSSPropertyBackgroundColor:
        return a.backgroundColor() == b.backgroundColor()
            && a.visitedLinkBackgroundColor() == b.visitedLinkBackgroundColor();
    case CSSPropertyBackgroundImage:
        return fillLayersEqual<CSSPropertyBackgroundImage>(a.backgroundLayers(), b.backgroundLayers());
    case CSSPropertyBackgroundPositionX:
        return fillLayersEqual<CSSPropertyBackgroundPositionX>(a.backgroundLayers(), b.backgroundLayers());
    case CSSPropertyBackgroundPositionY:
        return fillLayersEqual<CSSPropertyBackgroundPositionY>(a.backgroundLayers(), b.backgroundLayers());
    case CSSPropertyBackgroundSize:
        return fillLayersEqual<CSSPropertyBackgroundSize>(a.backgroundLayers(), b.backgroundLayers());
    case CSSPropertyBaselineShift:
        return dataEquivalent(a.baselineShiftValue(), b.baselineShiftValue());
    case CSSPropertyBorderBottomColor:
        return a.borderBottomColor() == b.borderBottomColor()
            && a.visitedLinkBorderBottomColor() == b.visitedLinkBorderBottomColor();
    case CSSPropertyBorderBottomLeftRadius:
        return a.borderBottomLeftRadius() == b.borderBottomLeftRadius();
    case CSSPropertyBorderBottomRightRadius:
        return a.borderBottomRightRadius() == b.borderBottomRightRadius();
    case CSSPropertyBorderBottomWidth:
        return a.borderBottomWidth() == b.borderBottomWidth();
    case CSSPropertyBorderImageOutset:
        return a.borderImageOutset() == b.borderImageOutset();
    case CSSPropertyBorderImageSlice:
        return a.borderImageSlices() == b.borderImageSlices();
    case CSSPropertyBorderImageSource:
        return dataEquivalent(a.borderImageSource(), b.borderImageSource());
    case CSSPropertyBorderImageWidth:
        return a.borderImageWidth() == b.borderImageWidth();
    case CSSPropertyBorderLeftColor:
        return a.borderLeftColor() == b.borderLeftColor()
            && a.visitedLinkBorderLeftColor() == b.visitedLinkBorderLeftColor();
    case CSSPropertyBorderLeftWidth:
        return a.borderLeftWidth() == b.borderLeftWidth();
    case CSSPropertyBorderRightColor:
        return a.borderRightColor() == b.borderRightColor()
            && a.visitedLinkBorderRightColor() == b.visitedLinkBorderRightColor();
    case CSSPropertyBorderRightWidth:
        return a.borderRightWidth() == b.borderRightWidth();
    case CSSPropertyBorderTopColor:
        return a.borderTopColor() == b.borderTopColor()
            && a.visitedLinkBorderTopColor() == b.visitedLinkBorderTopColor();
    case CSSPropertyBorderTopLeftRadius:
        return a.borderTopLeftRadius() == b.borderTopLeftRadius();
    case CSSPropertyBorderTopRightRadius:
        return a.borderTopRightRadius() == b.borderTopRightRadius();
    case CSSPropertyBorderTopWidth:
        return a.borderTopWidth() == b.borderTopWidth();
    case CSSPropertyBottom:
        return a.bottom() == b.bottom();
    case CSSPropertyBoxShadow:
        return dataEquivalent(a.boxShadow(), b.boxShadow());
    case CSSPropertyClip:
        return a.clip() == b.clip();
    case CSSPropertyColor:
        return a.color() == b.color() && a.visitedLinkColor() == b.visitedLinkColor();
    case CSSPropertyFill: {
        const SVGRenderStyle& aSVG = a.svgStyle();
        const SVGRenderStyle& bSVG = b.svgStyle();
        return aSVG.fillPaintType() == bSVG.fillPaintType()
            && (aSVG.fillPaintType() != SVG_PAINTTYPE_RGBCOLOR || aSVG.fillPaintColor() == bSVG.fillPaintColor())
            && aSVG.visitedLinkFillPaintType() == bSVG.visitedLinkFillPaintType()
            && (aSVG.visitedLinkFillPaintType() != SVG_PAINTTYPE_RGBCOLOR || aSVG.visitedLinkFillPaintColor() == bSVG.visitedLinkFillPaintColor());
    }
    case CSSPropertyFillOpacity:
        return a.fillOpacity() == b.fillOpacity();
    case CSSPropertyFlexBasis:
        return a.flexBasis() == b.flexBasis();
    case CSSPropertyFlexGrow:
        return a.flexGrow() == b.flexGrow();
    case CSSPropertyFlexShrink:
        return a.flexShrink() == b.flexShrink();
    case CSSPropertyFloodColor:
        return a.floodColor() == b.floodColor();
    case CSSPropertyFloodOpacity:
        return a.floodOpacity() == b.floodOpacity();
    case CSSPropertyFontSize:
        // CSSPropertyFontSize: Must pass a specified size to setFontSize if Text Autosizing is enabled, but a computed size
        // if text zoom is enabled (if neither is enabled it's irrelevant as they're probably the same).
        // FIXME: Should we introduce an option to pass the computed font size here, allowing consumers to
        // enable text zoom rather than Text Autosizing? See http://crbug.com/227545.
        return a.specifiedFontSize() == b.specifiedFontSize();
    case CSSPropertyFontStretch:
        return a.fontStretch() == b.fontStretch();
    case CSSPropertyFontWeight:
        return a.fontWeight() == b.fontWeight();
    case CSSPropertyHeight:
        return a.height() == b.height();
    case CSSPropertyLeft:
        return a.left() == b.left();
    case CSSPropertyLetterSpacing:
        return a.letterSpacing() == b.letterSpacing();
    case CSSPropertyLightingColor:
        return a.lightingColor() == b.lightingColor();
    case CSSPropertyLineHeight:
        return a.specifiedLineHeight() == b.specifiedLineHeight();
//.........这里部分代码省略.........