C++ (Cpp) FRichCurve::DeleteKey Examples

Example #1

File: SColorGradientEditor.cpp Project: Foreven/Unreal4-1

void SColorGradientEditor::DeleteStop( const FGradientStopMark& InMark )
{
	FScopedTransaction DeleteStopTrans( LOCTEXT("DeleteGradientStop", "Delete Gradient Stop") );
	CurveOwner->ModifyOwner();

	TArray<FRichCurveEditInfo> Curves = CurveOwner->GetCurves();

	FRichCurve* RedCurve = Curves[0].CurveToEdit;
	FRichCurve* GreenCurve = Curves[1].CurveToEdit;
	FRichCurve* BlueCurve = Curves[2].CurveToEdit;
	FRichCurve* AlphaCurve = Curves[3].CurveToEdit;

	if( InMark.IsValidAlphaMark( Curves ) )
	{
		AlphaCurve->DeleteKey( InMark.AlphaKeyHandle );
	}
	else if( InMark.IsValidColorMark( Curves ) ) 
	{
		RedCurve->DeleteKey( InMark.RedKeyHandle );
		GreenCurve->DeleteKey( InMark.GreenKeyHandle );
		BlueCurve->DeleteKey( InMark.BlueKeyHandle );
	}
}