/// <summary>
/// Gets image exposure metering mode information.
/// </summary>
/// <returns></returns>
private ImageMeteringMode GetMeteringModeInfo()
{
ImageMeteringMode meteringModeInfo = new ImageMeteringMode();
try
{
PropertyItem piMeteringModeInfo = GetImageProperty(Constants.MeteringMode);
if (piMeteringModeInfo != null && piMeteringModeInfo.Type == 3)
{
double meteringModeInfoValue = 0.00;
for (int count = 0; count < piMeteringModeInfo.Value.Length; count++)
{
meteringModeInfoValue += piMeteringModeInfo.Value[count] * Math.Pow(256, count);
}
int meteringModeInfoData = Convert.ToInt32(meteringModeInfoValue);
meteringModeInfo = (ImageMeteringMode)meteringModeInfoData;
}
else
{
meteringModeInfo = ImageMeteringMode.Unknown;
}
}
catch (Exception)
{
meteringModeInfo = ImageMeteringMode.Undefined;
}
return(meteringModeInfo);
}
/// <summary>
/// Gets all the image property values.
/// </summary>
private void GetAllImagePropertyValues()
{
try
{
this.cameraMake = GetCameraMake();
this.cameraModel = GetCameraSpecificModel();
this.aperture = GetApertureData();
this.shutterSpeed = GetExposureTime();
this.iso = GetISOInformation();
this.focalLength = GetFocalLengthInformation();
this.pixelXDimension = GetPixelDimension(Dimension.X);
this.pixelYDimension = GetPixelDimension(Dimension.Y);
this.imageFileSource = GetImageFileSource();
this.flash = GetFlashInformation();
this.createdDateTimeStamp = GetImageDateTimeStamps(ImageTimeStamps.Created);
this.modifiedDateTimeStamp = GetImageDateTimeStamps(ImageTimeStamps.Modified);
this.exposureCompensation = GetExposureCompensation();
this.imageSceneMode = GetImageSceneMode();
this.meteringMode = GetMeteringModeInfo();
this.imageExposureMode = GetImageExposureMode();
this.imageWhiteBalance = GetImageWhiteBalance();
this.imageSubjectDistanceRange = GetImageSubjectDistanceInformation();
this.focalLength35mmEquivalent = GetFocalLength35mmEquivalent();
}
catch (Exception)
{
}
}
