注冊(cè)組件的方法:
命令提示符下輸入"regsvr32 [Dll路徑]" 就可以了．
圖片添加水印無(wú)非就是獲得圖片大小,然后把水印寫(xiě)上去..ASP代碼只是起個(gè)控制組件的作用.用代碼來(lái)說(shuō)明一切吧.
一:獲得圖片大小(這里是用象素值表示的.學(xué)PhotoShop的朋友都應(yīng)該明白)
復(fù)制代碼代碼如下:
<%
set obj=server.CreateObject("wsImage.Resize") ''調(diào)用組件
obj.LoadSoucePic server.mappath("25.jpg") ''打開(kāi)圖片,圖片名字是25.jpg
obj.GetSourceInfo iWidth,iHeight
response.write "圖片寬度:" & iWidth & "<br>" ''獲得圖片寬度
response.write "圖片高度:" & iHeight & "<br>" ''獲得圖片高度
strError=obj.errorinfo
if strError<>"" then
response.write obj.errorinfo
end if
obj.free
set obj=nothing
%>
''----------------------------------------------------------------''
二:添加文字水印
復(fù)制代碼代碼如下:
<%
set obj=server.CreateObject("wsImage.Resize")
obj.LoadSoucePic server.mappath("25.jpg") ''裝載圖片
obj.Quality=75
obj.TxtMarkFont = "華文彩云" ''設(shè)置水印文字字體
obj.TxtMarkBond = false ''設(shè)置水印文字的粗細(xì)
obj.MarkRotate = 0 ''水印文字的旋轉(zhuǎn)角度
obj.TxtMarkHeight = 25 ''水印文字的高度
obj.AddTxtMark server.mappath("txtMark.jpg"), "帶你離境", &H00FF00&, 10, 70
strError=obj.errorinfo ''生成圖片名字,文字顏色即水印在圖片的位置
if strError<>"" then
response.write obj.errorinfo
end if
obj.free
set obj=nothing
%>
''----------------------------------------------------------------''
三:添加圖片水印
復(fù)制代碼代碼如下:
<%
set obj=server.CreateObject("wsImage.Resize")
obj.LoadSoucePic server.mappath("25.jpg") ''裝載圖片
obj.LoadImgMarkPic server.mappath("blend.bmp") ''裝載水印圖片
obj.Quality=75
obj.AddImgMark server.mappath("imgMark.jpg"), 315, 220,&hFFFFFF, 70
strError=obj.errorinfo ''生成圖片名字,文字顏色即水印在圖片的位置
if strError<>"" then
response.write obj.errorinfo
end if
obj.free
set obj=nothing
%>
''----------------------------------------------------------------''
其實(shí)給圖片添加水印就這么簡(jiǎn)單.然后我在說(shuō)下WsImage.dll組件的另外兩個(gè)主要用法.包括:
剪裁圖片,生成圖片的縮略圖.
還是以我得習(xí)慣,用代碼加注釋說(shuō)明:
剪裁圖片:
復(fù)制代碼代碼如下:
<%
set obj=server.CreateObject("wsImage.Resize")
obj.LoadSoucePic server.mappath("25.jpg")
obj.Quality=75
obj.cropImage server.mappath("25_crop.jpg"),100,10,200,200 ''定義裁減大小和生成圖片名字
strError=obj.errorinfo
if strError<>"" then
response.write obj.errorinfo
end if
obj.free
set obj=nothing
%>
詳細(xì)注釋:裁減圖片用到了WsImage的CropImage方法.其中定義生成圖片時(shí)候,100,10是左上角的裁減點(diǎn),即離圖片左邊是100象素,頂端10象素.后兩個(gè)200代表的是裁減的寬帶和高和高度.
''----------------------------------------------------------------''
生成圖片縮略圖:
復(fù)制代碼代碼如下:
<%
set obj=server.CreateObject("wsImage.Resize")
obj.LoadSoucePic server.mappath("25.jpg") ''加載圖片
obj.Quality=75
obj.OutputSpic server.mappath("25_s.jpg"),0.5,0.5,3 ''定義縮略圖的名字即大小
strError=obj.errorinfo
if strError<>"" then
response.write obj.errorinfo
end if
obj.free
set obj=nothing
%>
詳細(xì)說(shuō)明:
產(chǎn)生縮略圖共有四種導(dǎo)出方式：
(1) obj.OutputSpic server.mappath("25_s.jpg"),200,150,0
200為輸出寬，150為輸出高，這種輸出形式為強(qiáng)制輸出寬高，可能引起圖片變形。
(2) obj.OutputSpic server.mappath("25_s.jpg"),200,0,1
以200為輸出寬，輸出高將隨比列縮放。
(3) obj.OutputSpic server.mappath("25_s.jpg"),0,200,2
以200為輸出高，輸出寬將隨比列縮放。
(4) obj.OutputSpic server.mappath("25_s.jpg"),0.5,0.5,3
第一個(gè)0.5表示生成的縮略圖是原圖寬的一半，即表示寬縮小比例。
第二個(gè)0.5表示生成的縮略圖是原圖高的一半，即表示高縮小比例。
寬高的縮小比例一致意味著將對(duì)原圖進(jìn)行比例縮小。寬高的縮放比例如果大于1，則對(duì)原圖進(jìn)行放大。
2---------------------------------------------------------------------------------------
復(fù)制代碼代碼如下:
<%
Dim stream1,stream2,istart,iend,filename
istart=1
vbEnter=Chr(13)&Chr(10)
function getvalue(fstr,foro,paths)'fstr為接收的名稱(chēng)，foro布爾false為文件上傳,true 為普通字段，path為上傳文件存放路徑
if foro then
getvalue=""
istart=instring(istart,fstr)
istart=istart+len(fstr)+5
iend=instring(istart,vbenter+"-----------------------------")
if istart>5+len(fstr) then
getvalue=substring(istart,iend-istart)
else
getvalue=""
end if
else
istart=instring(istart,fstr)
istart=istart+len(fstr)+13
iend=instring(istart,vbenter)-1
filename=substring(istart,iend-istart)
filename9=right(getfilename(filename),4)'取原文件后綴
filename8=year(now())&month(now())&day(now())&hour(now())&minute(now())&second(now())&int(9*10^3*rnd)+10^3'取隨機(jī)文件名,
'如果你要加長(zhǎng)文件名,請(qǐng)修改(100*rnd)中100的值
filename=replace(getfilename(filename),getfilename(filename),filename8) '替換原文件名,活用replace函數(shù)
filename=filename&filename9 '加上文件后綴,規(guī)則為生成的隨機(jī)文件名加上原文件后綴
istart=instring(iend,vbenter+vbenter)+3
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 "沒(méi)有這個(gè)組件，請(qǐng)安裝!" '檢查是否安裝AspJpeg組件
Response.End()
End If
Jpeg.Open (server.mappath(paths+filename)) '打開(kāi)圖片
If err.number then
Response.write"打開(kāi)圖片失敗,請(qǐng)檢查路徑！"
Response.End()
End if
Dim aa
aa=Jpeg.Binary '將原始數(shù)據(jù)賦給aa
'=========加文字水印=================
Jpeg.Canvas.Font.Color = &Hff0000 '水印文字顏色
Jpeg.Canvas.Font.Family = Arial'字體
Jpeg.Canvas.Font.Bold = True '是否加粗
Jpeg.Canvas.Font.Size = 30'字體大小
Jpeg.Canvas.Font.ShadowColor = &H000000 '陰影色彩
Jpeg.Canvas.Font.ShadowYOffset = 1
Jpeg.Canvas.Font.ShadowXOffset = 1
Jpeg.Canvas.Brush.Solid = True
Jpeg.Canvas.Font.Quality = 4 '輸出質(zhì)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 '將文字水印處理后的值賦給bb，這時(shí)，文字水印沒(méi)有不透明度
'============調(diào)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 '將最終結(jié)果賦值給cc,這時(shí)也可以生成目標(biāo)圖片了
response.BinaryWrite cc '將二進(jìn)輸出給瀏覽器
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
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組件Persits.Jpeg給圖片加水印，生成縮略圖
復(fù)制代碼代碼如下:
<%
FileName="1.jpg"
Set Jpeg = Server.CreateObject("Persits.Jpeg")
' 獲取源圖片路徑
Path = Server.MapPath(FileName)
' 打開(kāi)源圖片
'response.write(Path)
Jpeg.Open Path
' 設(shè)定生成縮略圖細(xì)節(jié) 這里有很多種設(shè)定方法 下面的方法是先判斷寬高比 然后按比例縮放
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
' 設(shè)定銳化效果
Jpeg.Sharpen 1, 130
' 向指定路徑生成縮略圖
Response.Write Server.MapPath(".")
Jpeg.Save Server.MapPath(".")&"\small\"&filename
'response.write filename1
'response.write Server.MapPath("uploadpic/small")&"\"&filename1
' 注意這兩個(gè)Session
'Session("PPP0")=GP_curPath&FileName
'Session("PPP1")=GP_curPath&"small"&FileName
Set Jpeg = Nothing
'自動(dòng)產(chǎn)生縮掠圖結(jié)束
'大圖片打水印開(kāi)始
' 建立實(shí)例
Set Jpeg = Server.CreateObject("Persits.Jpeg")
' 打開(kāi)目標(biāo)圖片
Path = Server.MapPath(FileName)
' 打開(kāi)源圖片
Jpeg.Open Path
' 添加文字水印
Jpeg.Canvas.Font.Color = &HFF0000' 紅色
Jpeg.Canvas.Font.Family = "宋體"
Jpeg.Canvas.Font.Bold = True
Jpeg.Canvas.Print 10, 10, "宏藍(lán)科技"
' 保存文件
Jpeg.Save Server.MapPath(".")&"\small\w_"&filename
' 注銷(xiāo)對(duì)象
Set Jpeg = Nothing
'大圖片打水印結(jié)束
%>
4---------------------------------------------------------------------------------------
利用ASPJPEG組建加水印ASP實(shí)現(xiàn)代碼
復(fù)制代碼代碼如下:
<%
Class qswhImg
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
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)
'qiushuiwuhen (2002-8-12)
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)
'qiushuiwuhen (2002-8-12)
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)
'qiushuiwuhen (2002-8-12)
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)
'qiushuiwuhen (2002-8-12)
dim ret
ret = 0
for i = 1 to lenb(bin)
ret = ret *256 + ascb(midb(bin,i,1))
next
BinVal2=ret
End Function
Function getImageSize(filespec)
'qiushuiwuhen (2002-9-3)
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":
do
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
End Class
SavefullPath="326151745wldn.jpg" '圖片路徑賦值 或 圖片路徑變量賦值
'取得圖片的寬度
Set qswh = new qswhImg
arr = qswh.getImageSize(Server.Mappath(SavefullPath))
Set qswh = Nothing
str_ImgWidth=arr(1)
str_ImgHeight=arr(2)
If Int(str_ImgWidth) > 600 Then
str_ImgWidth = 600
Else
str_ImgWidth = str_ImgWidth
End If
'加水印
If Int(str_ImgWidth) > 300 And Int(str_ImgHeight) > 100 Then
LocalFile=Server.MapPath(SavefullPath)
TargetFile=Server.MapPath(SavefullPath)
Dim Jpeg
Set Jpeg = Server.CreateObject("Persits.Jpeg")
If -2147221005=Err then
Response.Write("<script language='javascript'>alert('沒(méi)有這個(gè)組件，請(qǐng)安裝!');history.back();</script>") '檢查是否安裝AspJpeg組件
Response.End()
End If
Jpeg.Open (LocalFile) '打開(kāi)圖片
If err.number then
Response.Write("<script language='javascript'>alert('打開(kāi)圖片失敗,請(qǐng)檢查路徑！');history.back();</script>")
Response.End()
End if
Dim aa
aa=Jpeg.Binary '將原始數(shù)據(jù)賦給aa
'=========加文字水印=================
Jpeg.Canvas.Font.Color = &Hfffffff '水印文字顏色
Jpeg.Canvas.Font.Family = Arial '字體
Jpeg.Canvas.Font.Bold = True '是否加粗
Jpeg.Canvas.Font.Size = 20 '字體大小
Jpeg.Canvas.Font.ShadowColor = &H000000 '陰影色彩
Jpeg.Canvas.Font.ShadowYOffset = 1
Jpeg.Canvas.Font.ShadowXOffset = 1
Jpeg.Canvas.Brush.Solid = True
Jpeg.Canvas.Font.Quality = 10 ' '輸出質(zhì)量
Jpeg.Canvas.PrintText Jpeg.OriginalWidth/2-40,Jpeg.OriginalHeight/2-10,"網(wǎng)站建設(shè)" '水印位置及文字
bb=Jpeg.Binary '將文字水印處理后的值賦給bb，這時(shí)，文字水印沒(méi)有不透明度
'============調(diào)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, 0.5 '0.3是透明度
cc=MyJpeg.Binary '將最終結(jié)果賦值給cc,這時(shí)也可以生成目標(biāo)圖片了
Response.BinaryWrite cc '將二進(jìn)輸出給瀏覽器
MyJpeg.Save (TargetFile)
set aa = nothing
set bb = nothing
set cc = nothing
Jpeg.Close
MyJpeg.Close
Logo.Close
End If
'加水印
%>
