InString=i
for j=2 to theLen
if objstream.EOS then
inString=0
Exit for
end if
if AscB(objstream.Read(1))<>AscB(MidB(Str,j,1)) then
InString=0
Exit For
end if
next
if InString<>0 then Exit Function
end if
next
End Function
Private function GetFileName(FullPath)
If FullPath <> "" Then
GetFileName = mid(FullPath,InStrRev(FullPath, "")+1)
Else
GetFileName = ""
End If
End function
function toByte(Str)
dim i,iCode,c,iLow,iHigh
toByte=""
For i=1 To Len(Str)
c=mid(Str,i,1)
iCode =Asc(c)
If iCode<0 Then iCode = iCode + 65535
If iCode>255 Then
iLow = Left(Hex(Asc(c)),2)
iHigh =Right(Hex(Asc(c)),2)
toByte = toByte & chrB("&H"&iLow) & chrB("&H"&iHigh)
Else
toByte = toByte & chrB(AscB(c))
End If
Next
End function
%>
3---------------------------------------------------------------------------------------
用asp组件Persits.Jpeg给图片加水印，生成缩略图
<%
FileName="1.jpg"
Set Jpeg = Server.CreateObject("Persits.Jpeg")
' 获取源图片路径
Path = Server.MapPath(FileName)
' 打开源图片
'response.write(Path)
Jpeg.Open Path
' 设定生成缩略图细节 这里有很多种设定方法 下面的方法是先判断宽高比 然后按比例缩放
If Jpeg.OriginalWidth / Jpeg.OriginalHeight > 1 then
Jpeg.Width = 98
Jpeg.Height = int((98/Jpeg.OriginalWidth)*Jpeg.OriginalHeight)
elseif Jpeg.OriginalWidth / Jpeg.OriginalHeight < 1 then
Jpeg.Width = 98
Jpeg.Height= int((98/Jpeg.OriginalWidth)*Jpeg.Height)
end if
' 设定锐化效果
Jpeg.Sharpen 1, 130
' 向指定路径生成缩略图
Response.Write Server.MapPath(".")
Jpeg.Save Server.MapPath(".")&"small"&filename
'response.write filename1
'response.write Server.MapPath("uploadpic/small")&""&filename1
' 注意这两个Session
'Session("PPP0")=GP_curPath&FileName
'Session("PPP1")=GP_curPath&"small"&FileName
Set Jpeg = Nothing
'自动产生缩掠图结束
'大图片打水印开始
' 建立实例
Set Jpeg = Server.CreateObject("Persits.Jpeg")
' 打开目标图片
Path = Server.MapPath(FileName)
' 打开源图片
Jpeg.Open Path
' 添加文字水印
Jpeg.Canvas.Font.Color = &HFF0000' 红色
Jpeg.Canvas.Font.Family = "宋体"
Jpeg.Canvas.Font.Bold = True
Jpeg.Canvas.Print 10, 10, "宏蓝科技"
' 保存文件
Jpeg.Save Server.MapPath(".")&"smallw_"&filename
' 注销对象
Set Jpeg = Nothing
'大图片打水印结束
%>
4---------------------------------------------------------------------------------------
利用ASPJPEG组建加水印ASP实现代码
<%
Class qswhImg
dim aso
Private Sub Class_Initialize
set aso=CreateObject("Adodb.Stream")
aso.Mode=3
aso.Type=1
aso.Open
