//--------------------------------------------------------------------------
//  Copyright (c) Microsoft Corporation. All rights reserved.
//
//--------------------------------------------------------------------------

cpp_quote("//---------------------------------------------------------------------------")
cpp_quote("// Copyright (c) Microsoft Corporation.  All rights reserved.")
cpp_quote("//")
cpp_quote("//---------------------------------------------------------------------------")

cpp_quote("#include <winapifamily.h>")

#pragma region Desktop Family
cpp_quote("#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)")

import "wtypes.idl";
import "unknwn.idl";

//+-----------------------------------------------------------------------------
//
//  Interface:
//      IDCompositionAnimation
//
//  Synopsis:
//      An IDCompositionAnimation interface represents a one-dimensional function that 
//      can be used to animate the value of a property of another DirectComposition object.
//
//------------------------------------------------------------------------------
[
    local,
    object,
    uuid(CBFD91D9-51B2-45e4-B3DE-D19CCFB863C5),
    helpstring("IDCompositionAnimation Interface"),
    pointer_default(unique)
]
interface IDCompositionAnimation : IUnknown
{
    // Resets the animation function so that it contains no segments as when it was first created.
    HRESULT
    Reset
    (
    );

    // Sets the absolute time at which the animation curve starts.
    HRESULT
    SetAbsoluteBeginTime
    (
        LARGE_INTEGER beginTime
    );

    // Adds a cubic polynomial segment to the animation function.
    HRESULT
    AddCubic
    (
        double beginOffset,
        float constantCoefficient,
        float linearCoefficient,
        float quadraticCoefficient,
        float cubicCoefficient
    );

    // Adds a sinusoidal segment to the animation function.
    HRESULT
    AddSinusoidal
    (
        double beginOffset,
        float bias,
        float amplitude,
        float frequency,
        float phase
    );

    // Repeats the animation.
    HRESULT
    AddRepeat
    (
        double beginOffset,
        double durationToRepeat
    );

    // Terminates an animation curve.
    HRESULT
    End
    (
        double endOffset,
        float endValue
    );
};

cpp_quote("#endif /* WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) */")
#pragma endregion