public string Read(Stream imageStream, int propId)
{
if (imageStream == null || !imageStream.CanRead)
{
throw new ArgumentException("imageStream isn't validate", "imageStream");
}
Image image = Image.FromStream(imageStream);
string empty = EXIFMetaDataService.GetValueOfType(image.GetPropertyItem(propId));
return(empty);
}
private static string GetValueOfType(PropertyItem propItem)
{
switch (propItem.Type)
{
case 1:
{
return(EXIFMetaDataService.GetValueOfType1(propItem.Value));
}
case 2:
{
return(EXIFMetaDataService.GetValueOfType2(propItem.Value));
}
case 3:
{
return(EXIFMetaDataService.GetValueOfType3(propItem.Value));
}
case 4:
{
return(EXIFMetaDataService.GetValueOfType4(propItem.Value));
}
case 5:
{
return(EXIFMetaDataService.GetValueOfType5(propItem.Value));
}
case 6:
{
return(string.Empty);
}
case 7:
{
return(EXIFMetaDataService.GetValueOfType7(propItem.Value, propItem.Id));
}
default:
{
return(string.Empty);
}
}
}
public Dictionary <int, string> Read(Stream imageStream)
{
if (imageStream == null || !imageStream.CanRead)
{
throw new ArgumentException("imageStream isn't validate", "imageStream");
}
Image image = Image.FromStream(imageStream);
Dictionary <int, string> nums = null;
if (image.PropertyItems != null)
{
nums = new Dictionary <int, string>();
int[] enabledEXIFIds = this.EnabledEXIFIds;
for (int i = 0; i < (int)enabledEXIFIds.Length; i++)
{
int num = enabledEXIFIds[i];
if (image.PropertyIdList.Contains <int>(num))
{
nums[num] = EXIFMetaDataService.GetValueOfType(image.GetPropertyItem(num));
}
}
}
return(nums);
}