It was written by a friend of the web forum.
<%
Imgpath= "Default_22.gif"
Set Pp=new Imginfo
W = PP.IMGW (Server.MapPath (Imgpath))
h = pp.imgh (Server.MapPath (Imgpath))
Set pp=nothing
Response.Write "<br> width: &w&"; High: "&h
Class Imginfo
Dim aso
Private Sub Class_Initialize
Set Aso=createobject ("ADODB.stream")
Aso. Mode=3
Aso. Type=1
Aso. Open
End Sub
Private Sub Class_Terminate
Err.Clear
Set aso=nothing
End Sub
Private Function bin2str (Bin)
Dim I, Str
For I=1 to LenB (Bin)
CLOW=MIDB (bin,i,1)
If ASCB (Clow) <128 Then
str = str & CHR (ASCB (Clow))
Else
I=i+1
If I <= LenB (Bin) then str = str & CHR (ASCW (MidB (bin,i,1) &clow))
End If
Next
Bin2str = Str
End Function
Private Function num2str (num,base,lens)
Dim ret
ret = ""
while (Num>=base)
ret = (num mod base) & RET
num = (num-num mod base)/base
Wend
Num2str = Right (string (lens, "0") & Num & Ret,lens)
End Function
Private Function Str2Num (str,base)
Dim ret
RET = 0
For I=1 to Len (str)
RET = ret *base + CInt (Mid (str,i,1))
Next
Str2num=ret
End Function
Private Function Binval (BIN)
Dim ret
RET = 0
For i = LenB (bin) to 1 step-1
RET = ret *256 + ASCB (MidB (bin,i,1))
Next
Binval=ret
End Function
Private Function BinVal2 (BIN)
Dim ret
RET = 0
For i = 1 to LenB (BIN)
RET = ret *256 + ASCB (MidB (bin,i,1))
Next
Binval2=ret
End Function
Private Function getimagesize (filespec)
Dim ret (3)
Aso. LoadFromFile (filespec)
Bflag=aso.read (3)
Select Case Hex (binval (Bflag))
Case "4E5089":
Aso.read (15)
RET (0) = "PNG"
RET (1) =binval2 (Aso.read (2))
Aso.read (2)
RET (2) =binval2 (Aso.read (2))
Case "464947":
Aso.read (3)
RET (0) = "GIF"
RET (1) =binval (Aso.read (2))
RET (2) =binval (Aso.read (2))
Case "535746":
Aso.read (5)
Bindata=aso. Read (1)
Sconv=num2str (ASCB (Bindata), 2, 8)
Nbits=str2num (Left (sconv,5), 2)
Sconv=mid (sconv,6)
while (Len (sconv) <nbits*4)
Bindata=aso. Read (1)
Sconv=sconv&num2str (ASCB (Bindata), 2, 8)
Wend
RET (0) = "SWF"
RET (1) =int (ABS (Str2Num (mid sconv,1*nbits+1,nbits), 2)-str2num (Mid (Sconv,0*nbits+1,nbits), 2))/20)
RET (2) =int (ABS (Str2Num (mid sconv,3*nbits+1,nbits), 2)-str2num (Mid (Sconv,2*nbits+1,nbits), 2))/20)
Case "FFD8FF":
Todo
Do:p1=binval (ASO. Read (1)): Loop while p1=255 and not ASO. Eos
If p1>191 and p1<196 then exit do else Aso.read Binval2 (ASO. Read (2))-2
Do:p1=binval (ASO. Read (1)): Loop while p1<255 and not ASO. Eos
Loop while True
Aso. Read (3)
RET (0) = "JPG"
RET (2) =binval2 (ASO). Read (2))
RET (1) =binval2 (ASO). Read (2))
Case Else:
If left (Bin2str (Bflag), 2) = "BM" Then
Aso. Read (15)
RET (0) = "BMP"
RET (1) =binval (ASO). Read (4))
RET (2) =binval (ASO). Read (4))
Else
RET (0) = ""
End If
End Select
RET (3) = "Width=" "" & RET (1) & "" "Height=" "" & Ret (2) & "" "
Getimagesize=ret
End Function
Public Function IMGW (Pic_path)
Set FSO1 = server. CreateObject ("Scripting.FileSystemObject")
If (FSO1. FileExists (Pic_path)) Then
Set f1 = Fso1. GetFile (Pic_path)
Ext=fso1. Getextensionname (Pic_path)
Select Case Ext
