iend=instring(istart,vbenter+"-----------------------------")
filestart=istart
filesize=iend-istart-1
objstream.position=filestart
Set sf = Server.CreateObject("ADODB.Stream")
sf.Mode=3
sf.Type=1
sf.Open
objstream.copyto sf,FileSize
if filename<>"" then
Set rf = Server.CreateObject("Scripting.FileSystemObject")
i=0
fn=filename
while rf.FileExists(server.mappath(paths+fn))
fn=cstr(i)+filename
i=i+1
wend
filename=fn
sf.SaveToFile server.mappath(paths+filename),2
'''''''''''''''''''''''''''''''''''''''''''''''''''
Dim Jpeg
Set Jpeg = Server.CreateObject("Persits.Jpeg")
If -2147221005=Err then
Response.write "没有这个组件，请安装!" '检查是否安装AspJpeg组件
Response.End()
End If
Jpeg.Open (server.mappath(paths+filename)) '打开图片
If err.number then
Response.write"打开图片失败,请检查路径！"
Response.End()
End if
Dim aa
aa=Jpeg.Binary '将原始数据赋给aa
'=========加文字水印=================
Jpeg.Canvas.Font.Color = &Hff0000 '水印文字颜色
Jpeg.Canvas.Font.Family = Arial'字体
Jpeg.Canvas.Font.Bold = True '是否加粗
Jpeg.Canvas.Font.Size = 30'字体大小
Jpeg.Canvas.Font.ShadowColor = &H000000 '阴影色彩
Jpeg.Canvas.Font.ShadowYOffset = 1
Jpeg.Canvas.Font.ShadowXOffset = 1
Jpeg.Canvas.Brush.Solid = True
Jpeg.Canvas.Font.Quality = 4 '输出质量
Jpeg.Canvas.PrintText Jpeg.OriginalWidth/2-100,Jpeg.OriginalHeight/2+20,"www.my9933.com" '水印位置及文字
bb=Jpeg.Binary '将文字水印处理后的值赋给bb，这时，文字水印没有不透明度
'============调整文字透明度================
Set MyJpeg = Server.CreateObject("Persits.Jpeg")
MyJpeg.OpenBinary aa
Set Logo = Server.CreateObject("Persits.Jpeg")
Logo.OpenBinary bb
MyJpeg.DrawImage 0,0, Logo, 0.2 '0.3是透明度
cc=MyJpeg.Binary '将最终结果赋值给cc,这时也可以生成目标图片了
response.BinaryWrite cc '将二进输出给浏览器
MyJpeg.Save (server.mappath(paths+filename))
set aa=nothing
set bb=nothing
set cc=nothing
Jpeg.close
MyJpeg.Close
Logo.Close
'''''''''''''''''''''''''''''''''''''''''''''''''''''
end if
getvalue=filename
end if
end function
Function subString(theStart,theLen)
dim i,c,stemp
objStream.Position=theStart-1
stemp=""
for i=1 to theLen
if objStream.EOS then Exit for
c=ascB(objStream.Read(1))
If c > 127 Then
if objStream.EOS then Exit for
stemp=stemp&Chr(AscW(ChrB(AscB(objStream.Read(1)))&ChrB(c)))
i=i+1
else
stemp=stemp&Chr(c)
End If
Next
subString=stemp
End function
Function inString(theStart,varStr)
dim i,j,bt,theLen,str
InString=0
Str=toByte(varStr)
theLen=LenB(Str)
for i=theStart to objStream.Size-theLen
if i>objstream.size then exit Function
objstream.Position=i-1
if AscB(objstream.Read(1))=AscB(midB(Str,1)) then
