[CommandHipc(2102)] // 5.0.0+
// ConvertScalingMode(u32 source_scaling_mode) -> u64 destination_scaling_mode
public ResultCode ConvertScalingMode(ServiceCtx context)
{
SourceScalingMode scalingMode = (SourceScalingMode)context.RequestData.ReadInt32();
DestinationScalingMode?convertedScalingMode = scalingMode switch
{
SourceScalingMode.None => DestinationScalingMode.None,
SourceScalingMode.Freeze => DestinationScalingMode.Freeze,
SourceScalingMode.ScaleAndCrop => DestinationScalingMode.ScaleAndCrop,
SourceScalingMode.ScaleToWindow => DestinationScalingMode.ScaleToWindow,
SourceScalingMode.PreserveAspectRatio => DestinationScalingMode.PreserveAspectRatio,
_ => null,
};
if (!convertedScalingMode.HasValue)
{
// Scaling mode out of the range of valid values.
return(ResultCode.InvalidArguments);
}
if (scalingMode != SourceScalingMode.ScaleToWindow && scalingMode != SourceScalingMode.PreserveAspectRatio)
{
// Invalid scaling mode specified.
return(ResultCode.InvalidScalingMode);
}
context.ResponseData.Write((ulong)convertedScalingMode);
return(ResultCode.Success);
}
private DestinationScalingMode?ConvertScalingMode(SourceScalingMode source)
{
switch (source)
{
case SourceScalingMode.None: return(DestinationScalingMode.None);
case SourceScalingMode.Freeze: return(DestinationScalingMode.Freeze);
case SourceScalingMode.ScaleAndCrop: return(DestinationScalingMode.ScaleAndCrop);
case SourceScalingMode.ScaleToWindow: return(DestinationScalingMode.ScaleToWindow);
case SourceScalingMode.PreserveAspectRatio: return(DestinationScalingMode.PreserveAspectRatio);
}
return(null);
}
