Class: TRGBAdditiveTransferMode

Declaration: RGBTransferModes.h

Taxonomy Categories:

Member Functions:

Interface Category:

API.

Inherits From:

TTransferMode

Inherited By:

None.

Purpose:

TRGBAdditiveTransferMode is a concrete class, derived from TTransferMode, that generates a new color based on the RGB values of a source color and a destination color. Each of the resulting red, green, and blue values is equal to the corresponding value of the destination plus that of the source. (The source and destination colors need not be TRGBColors, and the resulting color is converted from RGB to the specified color space.) The transparency values are similarly added. If the result of an addition is greater than 1.0, the value is set to 1.0 instead.

Instantiation:

Allocate on the heap or the stack.

Deriving Classes:

None.

Concurrency:

Not multithread safe.

Resource Use:

No special requirements.

Member Function: TRGBAdditiveTransferMode::TRGBAdditiveTransferMode

TRGBAdditiveTransferMode ()
TRGBAdditiveTransferMode (const TRGBAdditiveTransferMode &)

Interface Category:

API.

Purpose:

Default constructor.
Copy constructor.

Calling Context:

Called by the stream-in operators. You can also call this constructor directly.
Called to copy an object.

Parameters:

Takes no parameters.
const TRGBAdditiveTransferMode & -The object to be copied.

Return Value:

None.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TRGBAdditiveTransferMode::~TRGBAdditiveTransferMode

virtual ~ TRGBAdditiveTransferMode ()

Interface Category:

API.

Purpose:

Destructor.

Calling Context:

Called to destroy an object.

Parameters:

Takes no parameters.

Return Value:

None.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TRGBAdditiveTransferMode::GetResultingColor

virtual void GetResultingColor (const TColor & sourceColor, const TColor & destColor, TColor & resultingColor) const

Interface Category:

API.

Purpose:

Returns a color whose individual RGB and transparency components are the result of adding the source's and destination's components. Resulting components greater than 1.0 are set to 1.0. All parameters are passed as TColor objects.

Calling Context:

Call this function directly.

Parameters:

const TColor & sourceColor -The source color to add.
const TColor & destColor -The destination color to add.
TColor & resultingColor -The resulting, added color.

Return Value:

None.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TRGBAdditiveTransferMode::GetAdditiveResult

static void GetAdditiveResult (const TRGBColor & sourceColor, const TRGBColor & destColor, TRGBColor & resultingColor)

Interface Category:

API.

Purpose:

Calling Context:

Call this function directly.

Parameters:

const TRGBColor & sourceColor -The source color to add.
const TRGBColor & destColor -The destination color to add.
TRGBColor & resultingColor -The resulting, added color.

Return Value:

None.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TRGBAdditiveTransferMode::operator=

TRGBAdditiveTransferMode & operator =(const TRGBAdditiveTransferMode & source)

Interface Category:

API.

Purpose:

Assignment operator.

Calling Context:

Call this function by using the operator in an assignment statement.

Parameters:

const TRGBAdditiveTransferMode & source -The object to be copied.

Return Value:

A non-const reference to the left-hand side object.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TRGBAdditiveTransferMode::operator>>=

virtual TStream & operator >>=(TStream & towhere) const

Interface Category:

API.

Purpose:

Stream-out operator.

Calling Context:

Called to stream out data.

Parameters:

TStream & towhere -The stream that the object streams itself out to.

Return Value:

Returns a reference to the stream the object streams itself out to.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TRGBAdditiveTransferMode::operator<<=

virtual TStream & operator <<= (TStream & fromwhere)

Interface Category:

API.

Purpose:

Stream-in operator.

Calling Context:

Called to stream in data.

Parameters:

TStream & fromwhere -The stream that the object streams itself in from.

Return Value:

Returns a reference to the stream the object streams itself in from.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: TRGBAdditiveTransferMode::TemporaryTypeID

virtual ETransferModeClassID TemporaryTypeID () const

Interface Category:

API.

Purpose:

Returns the type of transfer mode this class represents.

Calling Context:

Call this function directly.

Parameters:

Takes no parameters.

Return Value:

Returns an ETransferModeClassID with value kRGBAdditiveTransferMode.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

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