Taxonomy Categories:
Member Functions:
Interface Category:
API.
Inherits From:
TFontScaleStyle
Inherited By:
None.
Purpose:
TFontSlantAngleStyle derives from TFontScaleStyle and specifies the italic angle or obliqueness of the font. Angles are measured in the radiance from upright. The angle value is normalized to range [-1, 1], which corresponds to range [-pi, pi] of radiance. Font names often indicate the italic angle of the font by including strings such as oblique or italic in them.
Instantiation:
Allocate on the heap or the stack.
Deriving Classes:
Derive a class from this class for any specialization. The value returned from GetCategory should be preserved and the pure virtual function GetName must be overridden to return an unique name.
Concurrency:
Multithread safe.
Resource Use:
No special requirements.
- TFontSlantAngleStyle ()
- TFontSlantAngleStyle (GCoordinate angle)
- TFontSlantAngleStyle (const TFontSlantAngleStyle &)
Interface Category:
API.
Purpose:
- Default constructor.
- Creates a new TFontSlantAngleStyle object and initializes the angle to the specified GCoordinate's value.
- Copy constructor.
Calling Context:
- Called by the stream-in operators.
- Call this function directly.
- Called to copy an object.
Parameters:
- Takes no parameters.
- GCoordinate angle -The initial angle for this object.
- const TFontSlantAngleStyle & -The object to be copied.
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Multithread safe.
Other Considerations:
None.
virtual ~ TFontSlantAngleStyle ()
Interface Category:
API.
Purpose:
Destructor.
Calling Context:
Called to destroy an object.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Multithread safe.
Other Considerations:
None.
Member Function: TFontSlantAngleStyle::GetDefaultFontSlantAngleStyle
static const TFontSlantAngleStyle & GetDefaultFontSlantAngleStyle ()
Interface Category:
API.
Purpose:
GetDefaultFontSlantAngleStyle returns an empty slant angle style. This empty TFontStyle object is used as a key for finding other TFontStyles objects in a TStyleSet by using the search functions of TStyleSet.
Calling Context:
Call this function directly.
Parameters:
Return Value:
Returns an empty slant angle style.
Exceptions:
Throws TGraphicsInternalException when FontServer is not accessible, passes all other exceptions through.
Concurrency:
Multithread safe.
Other Considerations:
None.
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