DOM::CSS2BackgroundPosition Class Reference

The CSS2BackgroundPosition interface represents the background-position CSS Level 2 property. More...

#include <css_extensions.h>

Inheritance diagram for DOM::CSS2BackgroundPosition:
DOM::CSSValue

List of all members.

Public Member Functions

 CSS2BackgroundPosition (const CSS2BackgroundPosition &other)
 CSS2BackgroundPosition (CSS2BackgroundPositionImpl *impl)
CSS2BackgroundPositionoperator= (const CSS2BackgroundPosition &other)
unsigned short horizontalType () const
unsigned short verticalType () const
DOM::DOMString horizontalIdentifier () const
DOM::DOMString verticalIdentifier () const
float getHorizontalPosition (const float horizontalType)
float getVerticalPosition (const float verticalType)
void setHorizontalPosition (const unsigned short horizontalType, const float value)
void setVerticalPosition (const unsigned short verticalType, const float value)
void setPositionIdentifier (const DOM::DOMString &horizontalIdentifier, const DOM::DOMString &verticalIdentifier)

Detailed Description

The CSS2BackgroundPosition interface represents the background-position CSS Level 2 property.

Definition at line 145 of file css_extensions.h.


Member Function Documentation

float CSS2BackgroundPosition::getHorizontalPosition ( const float  horizontalType  ) 

This method is used to get the float value in a specified unit if the horizontalPosition represents a length or a percentage.

If the float doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised.

Parameters:
horizontalType The specified unit.
Returns:
The float value.
Exceptions:
DOMException INVALID_ACCESS_ERR: Raises if the property doesn't contain a float or the value can't be converted.

Definition at line 136 of file css_extensions.cpp.

float CSS2BackgroundPosition::getVerticalPosition ( const float  verticalType  ) 

This method is used to get the float value in a specified unit if the verticalPosition represents a length or a percentage.

If the float doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised. The value is 50% if only the horizontal value has been specified.

Parameters:
verticalType The specified unit.
Returns:
The float value.
Exceptions:
DOMException INVALID_ACCESS_ERR: Raises if the property doesn't contain a float or the value can't be converted.

Definition at line 142 of file css_extensions.cpp.

DOMString CSS2BackgroundPosition::horizontalIdentifier (  )  const

If horizontalType is CSS_IDENT or CSS_INHERIT , this attribute contains the string representation of the ident, otherwise it contains an empty string.

Definition at line 124 of file css_extensions.cpp.

unsigned short CSS2BackgroundPosition::horizontalType (  )  const

A code defining the type of the horizontal value.

It would be one CSS_PERCENTAGE , CSS_EMS , CSS_EXS , CSS_PX , CSS_CM , CSS_MM , CSS_IN , CSS_PT , CSS_PC , CSS_IDENT , CSS_INHERIT . If one of horizontal or vertical is CSS_IDENT or CSS_INHERIT , it's guaranteed that the other is the same.

Definition at line 112 of file css_extensions.cpp.

void CSS2BackgroundPosition::setHorizontalPosition ( const unsigned short  horizontalType,
const float  value 
)

This method is used to set the horizontal position with a specified unit.

If the vertical value is not a percentage or a length, it sets the vertical position to 50% .

Parameters:
horizontalType The specified unit (a length or a percentage).
value The new value.
Returns:
Exceptions:
DOMException INVALID_ACCESS_ERR: Raises if the specified unit is not a length or a percentage.

NO_MODIFICATION_ALLOWED_ERR: Raises if this property is readonly.

Definition at line 148 of file css_extensions.cpp.

void CSS2BackgroundPosition::setPositionIdentifier ( const DOM::DOMString horizontalIdentifier,
const DOM::DOMString verticalIdentifier 
)

Sets the identifiers.

If the second identifier is the empty string, the vertical identifier is set to his default value ( "center" ). If the first identfier is "inherit , the second identifier is ignored and is set to \c "inherit .

Parameters:
horizontalIdentifier The new horizontal identifier.
verticalIdentifier The new vertical identifier.
Returns:
Exceptions:
DOMException SYNTAX_ERR: Raises if the identifiers have a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raises if this property is readonly.

Definition at line 160 of file css_extensions.cpp.

void CSS2BackgroundPosition::setVerticalPosition ( const unsigned short  verticalType,
const float  value 
)

This method is used to set the vertical position with a specified unit.

If the horizontal value is not a percentage or a length, it sets the vertical position to 50% .

Parameters:
verticalType The specified unit (a length or a percentage).
value The new value.
Returns:
Exceptions:
DOMException INVALID_ACCESS_ERR: Raises if the specified unit is not a length or a percentage.

NO_MODIFICATION_ALLOWED_ERR: Raises if this property is readonly.

Definition at line 154 of file css_extensions.cpp.

DOMString CSS2BackgroundPosition::verticalIdentifier (  )  const

If verticalType is CSS_IDENT or CSS_INHERIT , this attribute contains the string representation of the ident, otherwise it contains an empty string.

The value is "center" if only the horizontalIdentifier has been set. The value is "inherit" if the horizontalIdentifier is "inherit" .

Definition at line 130 of file css_extensions.cpp.

unsigned short CSS2BackgroundPosition::verticalType (  )  const

A code defining the type of the horizontal value.

The code can be one of the following units : CSS_PERCENTAGE , CSS_EMS , CSS_EXS , CSS_PX , CSS_CM , CSS_MM , CSS_IN , CSS_PT , CSS_PC , CSS_IDENT , CSS_INHERIT . If one of horizontal or vertical is CSS_IDENT or CSS_INHERIT , it's guaranteed that the other is the same.

Definition at line 118 of file css_extensions.cpp.


The documentation for this class was generated from the following files:
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