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31 #ifndef BorderImageLength_h
32 #define BorderImageLength_h
34 #include "platform/Length.h"
38 // Represents an individual computed border image width or outset.
40 // http://www.w3.org/TR/css3-background/#border-image-width
41 // http://www.w3.org/TR/css3-background/#border-image-outset
42 class BorderImageLength {
44 BorderImageLength(double number)
50 BorderImageLength(const Length& length)
57 bool isNumber() const { return m_type == NumberType; }
58 bool isLength() const { return m_type == LengthType; }
60 const Length& length() const { ASSERT(isLength()); return m_length; }
61 Length& length() { ASSERT(isLength()); return m_length; }
63 double number() const { ASSERT(isNumber()); return m_number; }
65 bool operator==(const BorderImageLength& other) const
67 return m_type == other.m_type && m_length == other.m_length && m_number == other.m_number;
72 return (isLength() && m_length.isZero()) || (isNumber() && m_number);
76 // Ideally we would put the 2 following fields in a union, but Length has a constructor,
77 // a destructor and a copy assignment which isn't allowed.
88 #endif // BorderImageLength_h