public static string GetShowString(Exif exif)
{
string showString = "";
if (!string.IsNullOrEmpty(exif.bySoftware))
showString += "�������:" + exif.bySoftware + "<br />";
if (!string.IsNullOrEmpty(exif.datetime))
showString += "����ʱ��;" + exif.datetime + "<br />";
if (!string.IsNullOrEmpty(exif.isoSpeed))
showString += "iso�ٶ�:" + exif.isoSpeed + "<br />";
if (!string.IsNullOrEmpty(exif.equipmentMake))
showString += "���:" + exif.equipmentMake + "<br />";
if (!string.IsNullOrEmpty(exif.exposureTime))
showString += "�ع�ʱ��:" + exif.exposureTime + "<br />";
if (!string.IsNullOrEmpty(exif.flash))
showString += "�����:" + exif.flash + "<br />";
if (!string.IsNullOrEmpty(exif.xResolution))
showString += "ˮƽ�ֱ���:" + exif.xResolution + "<br />";
if (!string.IsNullOrEmpty(exif.yResolution))
showString += "��ֱ�ֱ���:" + exif.yResolution + "<br />";
if (!string.IsNullOrEmpty(exif.yResolution))
showString += "��Ƭ���:" + exif.imageWidth + "<br />";
if (!string.IsNullOrEmpty(exif.yResolution))
showString += "��Ƭ�߶�:" + exif.imageHeight + "<br />";
if (!string.IsNullOrEmpty(exif.yResolution))
showString += "��Ȧ��:" + exif.fNumber;
return showString;
}
public static string GetShowString(Exif exif)
{
string showString = "";
if (!string.IsNullOrEmpty(exif.bySoftware))
{
showString += "�������:" + exif.bySoftware + "<br />";
}
if (!string.IsNullOrEmpty(exif.datetime))
{
showString += "����ʱ��;" + exif.datetime + "<br />";
}
if (!string.IsNullOrEmpty(exif.isoSpeed))
{
showString += "iso�ٶ�:" + exif.isoSpeed + "<br />";
}
if (!string.IsNullOrEmpty(exif.equipmentMake))
{
showString += "���:" + exif.equipmentMake + "<br />";
}
if (!string.IsNullOrEmpty(exif.exposureTime))
{
showString += "�ع�ʱ��:" + exif.exposureTime + "<br />";
}
if (!string.IsNullOrEmpty(exif.flash))
{
showString += "�����:" + exif.flash + "<br />";
}
if (!string.IsNullOrEmpty(exif.xResolution))
{
showString += "ˮƽ�ֱ���:" + exif.xResolution + "<br />";
}
if (!string.IsNullOrEmpty(exif.yResolution))
{
showString += "��ֱ�ֱ���:" + exif.yResolution + "<br />";
}
if (!string.IsNullOrEmpty(exif.yResolution))
{
showString += "��Ƭ���:" + exif.imageWidth + "<br />";
}
if (!string.IsNullOrEmpty(exif.yResolution))
{
showString += "��Ƭ�߶�:" + exif.imageHeight + "<br />";
}
if (!string.IsNullOrEmpty(exif.yResolution))
{
showString += "��Ȧ��:" + exif.fNumber;
}
return(showString);
}
public static Exif Parse(string strFormat)
{
Exif exif = new Exif();
try
{
string info = Regex.Match(strFormat, @"\d+(@.+?:\d+)+sun").Value;
MatchCollection mc = Regex.Matches(info, @"@(.*?):(\d+)");
string value = strFormat.Replace(info, "");
int start = 0;
foreach (Match match in mc)
{
int lenght = int.Parse(match.Groups[2].Value);
exif.GetType().GetProperty(match.Groups[1].Value).SetValue(exif, value.Substring(start, lenght), null);
start += lenght;
}
}
catch
{
return(new Exif());
}
return(exif);
}
public static Exif Parse(string strFormat)
{
Exif exif = new Exif();
try
{
string info = Regex.Match(strFormat, @"\d+(@.+?:\d+)+sun").Value;
MatchCollection mc = Regex.Matches(info, @"@(.*?):(\d+)");
string value = strFormat.Replace(info, "");
int start = 0;
foreach (Match match in mc)
{
int lenght = int.Parse(match.Groups[2].Value);
exif.GetType().GetProperty(match.Groups[1].Value).SetValue(exif, value.Substring(start, lenght), null);
start += lenght;
}
}
catch
{
return new Exif();
}
return exif;
}
public static Exif ExifAnalyse(Stream stream)
{
Exif exif = new Exif();
try
{
// ����һ��ͼƬ��ʵ��
/******************************************************
* ���ܳ���
*
*System.ArgumentException:
*
* ����û����Ч��ͼ���ʽ- �� -stream Ϊ null��
*
* modify:����try{}catch{}��myxbing,2007-8-31
* *****************************************************/
Image MyImage = Image.FromStream(stream);
// ����һ�������������洢ͼ�������������ID
int[] MyPropertyIdList = MyImage.PropertyIdList;
//����һ�����ͼ�����������ʵ��
PropertyItem[] MyPropertyItemList = new PropertyItem[MyPropertyIdList.Length];
// ASCII����
System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();
int index = 0;
int MyPropertyIdListCount = MyPropertyIdList.Length;
if (MyPropertyIdListCount != 0)
{
foreach (int MyPropertyId in MyPropertyIdList)
{
MyPropertyItemList[index] = MyImage.GetPropertyItem(MyPropertyId);
#region ��ʼ��������ֵ
string myPropertyIdString = MyImage.GetPropertyItem(MyPropertyId).Id.ToString("x");
switch (myPropertyIdString)
{
case "131":
exif.BySoftware = asciiEncoding.GetString(MyPropertyItemList[index].Value);
break;
case "132":
exif.DateTime = asciiEncoding.GetString(MyPropertyItemList[index].Value);
break;
case "829a":
exif.ExposureTime = GetExposureTimeValue(MyPropertyItemList[index].Value);
break;
case "829d":
exif.FNumber = GetFnumberValue(MyPropertyItemList[index].Value);
break;
case "9209": //�����
exif.Flash = BoolToEXIFValue(MyPropertyItemList[index].Value);
break;
case "8827":
exif.IsoSpeed = "ISO-" + ShortToEXIFValue(MyPropertyItemList[index].Value);
break;
case "10f":
exif.EquipmentMake = asciiEncoding.GetString(MyPropertyItemList[index].Value);
break;
}
#endregion
index++;
}
}
exif.XResolution = MyImage.HorizontalResolution.ToString() + "DPI";
exif.YResolution = MyImage.VerticalResolution.ToString() + "DPI";
exif.ImageHeight = MyImage.Height.ToString();
exif.ImageWidth = MyImage.Width.ToString();
MyImage.Dispose();
}
catch
{
}
return exif;
}
