C++ (Cpp) CSSPrimitiveValue::getRGBA32Value示例

示例#1

文件： CSSParser.cpp 项目： shawngao5/blink-crosswalk

bool CSSParser::parseColor(RGBA32& color, const String& string, bool strict)
{
    if (string.isEmpty())
        return false;

    // First try creating a color specified by name, rgba(), rgb() or "#" syntax.
    if (CSSPropertyParser::fastParseColor(color, string, strict))
        return true;

    // In case the fast-path parser didn't understand the color, try the full parser.
    RefPtrWillBeRawPtr<MutableStylePropertySet> stylePropertySet = MutableStylePropertySet::create();
    // FIXME: The old CSS parser is only working in strict mode ignoring the strict parameter.
    // It needs to be investigated why.
    if (!parseValue(stylePropertySet.get(), CSSPropertyColor, string, false, strictCSSParserContext()))
        return false;

    RefPtrWillBeRawPtr<CSSValue> value = stylePropertySet->getPropertyCSSValue(CSSPropertyColor);
    if (!value || !value->isPrimitiveValue())
        return false;

    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get());
    if (!primitiveValue->isRGBColor())
        return false;

    color = primitiveValue->getRGBA32Value();
    return true;
}

示例#2

文件： CSSParser.cpp 项目： alexanderbill/blink-crosswalk

bool CSSParser::parseColor(RGBA32& color, const String& string, bool strict)
{
    if (string.isEmpty())
        return false;

    // The regular color parsers don't resolve all named colors, so explicitly
    // handle these first.
    Color namedColor;
    if (namedColor.setNamedColor(string)) {
        color = namedColor.rgb();
        return true;
    }

    RefPtrWillBeRawPtr<CSSValue> value = CSSParserFastPaths::parseColor(string, !strict);
    // TODO(timloh): Why is this always strict mode?
    if (!value)
        value = parseSingleValue(CSSPropertyColor, string, strictCSSParserContext());

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

    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get());
    if (!primitiveValue->isRGBColor())
        return false;

    color = primitiveValue->getRGBA32Value();
    return true;
}

示例#3

文件： StyleBuilderConverter.cpp 项目： xin3liang/platform_external_chromium_org_third_party_WebKit

Color StyleBuilderConverter::convertSVGColor(StyleResolverState& state, CSSValue* value)
{
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    if (primitiveValue->isRGBColor())
        return primitiveValue->getRGBA32Value();
    ASSERT(primitiveValue->getValueID() == CSSValueCurrentcolor);
    return state.style()->color();
}

示例#4

文件： BisonCSSParser-in.cpp 项目： eth-srl/BlinkER

// The color will only be changed when string contains a valid CSS color, so callers
// can set it to a default color and ignore the boolean result.
bool BisonCSSParser::parseColor(RGBA32& color, const String& string, bool strict)
{
    // First try creating a color specified by name, rgba(), rgb() or "#" syntax.
    if (CSSPropertyParser::fastParseColor(color, string, strict))
        return true;

    BisonCSSParser parser(strictCSSParserContext());

    // In case the fast-path parser didn't understand the color, try the full parser.
    if (!parser.parseColor(string))
        return false;

    CSSValue* value = parser.m_parsedProperties.first().value();
    if (!value->isPrimitiveValue())
        return false;

    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    if (!primitiveValue->isRGBColor())
        return false;

    color = primitiveValue->getRGBA32Value();
    return true;
}