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ASP 中的 在asp文件中访问flash详细信息
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-03 浏览: 89 ::
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Class SWFDump
Private header
Private RECTdata
Private nBits
Private mversion
Private mfilelen
Private mxMin
Private mxMax
Private myMin
Private myMax
Private mheigt
Private mwidth
Private mframerate
Private mframecount
Private Sub Class_Initialize()
End Sub
Private Sub Class_Terminate()
End Sub
Private Function ReadHeader (filename)
Const ForReading = 1, ForWriting = 2, ForAppending = 8
Dim fso, f
Set fso = CreateObject("Scripting.FileSystemObject")
Set f = fso.OpenTextFile(filename, ForReading)
ReadHeader = f.Read(21)
End Function
Private Function ToBin(inNumber, OutLenStr )
Dim binary
binary = ""
do while inNumber >= 1
binary = binary & inNumber mod 2
inNumber = inNumber \ 2
loop
binary = binary & String(OutLenStr - len(binary), "0")
ToBin = StrReverse(binary)
End Function
Private Function Bin2Decimal(inBin)
Dim counter
Dim temp
Dim Value
inBin = StrReverse(inBin)
temp = 0
For counter = 1 to Len(inBin)
If counter = 1 then
Value = 1
Else
Value = Value * 2
End If
temp = temp + mid(inBin, counter ,1) * Value
Next
Bin2Decimal = temp
End Function
Public Function SWFDump(fileName)
header = ReadHeader (fileName)
mversion = asc(mid(header,4,1))
mfilelen = asc(mid(header,5,1))
mfilelen = mfilelen + asc(mid(header,6,1)) * 256
mfilelen = mfilelen + asc(mid(header,7,1)) * 256 * 256
mfilelen = mfilelen + asc(mid(header,8,1)) * 256 * 256 * 256
RECTdata = ToBin(asc(mid(header,9,1)),8)
RECTdata = RECTdata & ToBin(asc(mid(header,10,1)),8)
RECTdata = RECTdata & ToBin(asc(mid(header,11,1)),8)
RECTdata = RECTdata & ToBin(asc(mid(header,12,1)),8)
RECTdata = RECTdata & ToBin(asc(mid(header,13,1)),8)
RECTdata = RECTdata & ToBin(asc(mid(header,14,1)),8)
RECTdata = RECTdata & ToBin(asc(mid(header,15,1)),8)
RECTdata = RECTdata & ToBin(asc(mid(header,16,1)),8)
RECTdata = RECTdata & ToBin(asc(mid(header,17,1)),8)
nBits = Mid(RECTdata,1,5)
nBits = Bin2Decimal(nBits)
mxMin = Bin2Decimal(Mid(RECTdata,6,nBits))
mxMax = Bin2Decimal(Mid(RECTdata,6 + nBits * 1 ,nBits))
myMin = Bin2Decimal(Mid(RECTdata,6 + nBits * 2 ,nBits))
myMax = Bin2Decimal(Mid(RECTdata,6 + nBits * 3 ,nBits))
mheigt = (myMax - myMin) / 20
mwidth = (mxMax - mxMin) / 20
mframerate = asc(mid(header,18,1))
mframecount = asc(mid(header,19,1))
mframecount = mframecount + asc(mid(header,20,1)) * 256
End Function
Public Property Get Heigt()
Heigt = mheigt
End Property
Public Property Get Width()
Width = mwidth
End Property
Public Property Get Version()
Version = mversion
End Property
Public Property Get FileLen()
FileLen = mfilelen
End Property
Public Property Get xMin()
xMin = mxMin
End Property
Public Property Get xMax()
xMax = mxMax
End Property
Public Property Get yMin()
yMin = myMin
End Property
Public Property Get yMax()
yMax = myMax
End Property
Public Property Get Framerate()
Framerate = mframerate
End Property
Public Property Get Framecount()
Framecount = mframecount
End Property
End Class
%>
做成包含文件swfheaderdump.inc
调用：
<!-- #include file="swfheaderdump.inc" -->
<%
' Pass the SWF name in querystring this way
' swfdump.asp?swf=yourmovie.swf
set myObj = new swfdump
myObj.SWFDump (Server.MapPath(request("swf")))
Response.Write "Heigt (pixel) = " & myObj.Heigt & "<br>"
Response.Write "Width (pixel) = " & myObj.Width & "<br>"
Response.Write "Version = " & myObj.Version & "<br>"
Response.Write "FileLen (bytes) = " & myObj.FileLen & "<br>"
Response.Write "xMin (twips) = " & myObj.xMin & "<br>"
Response.Write "xMax (twips) = " & myObj.xMax & "<br>"
Response.Wri
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