【下载文档:  aspJPEG综合操作的CLASS类.txt 】

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ASPJPEG综合操作的CLASS类
<% 'ASPJPEG综合操作CLASS Class AspJpeg Dim AspJpeg_Obj,obj Private Img_MathPath_From,Img_MathPath_To,Img_Reduce_Size,CoverIf Private Img_Frame_Size,Img_Frame_Color,Img_Frame_Solid,Img_Frame_Width,Img_Frame_Height Private Img_Font_Content,Img_Font_Family,Img_Font_Color,Img_Font_Quality,Img_Font_Size,Img_Font_Bold,Img_Font_X,Img_Font_Y Private Img_PicIn_Path,Img_PicIn_X,Img_PicIn_Y '--------------取原文件路径 Public Property Let MathPathFrom(StrType) Img_MathPath_From=StrType End Property '--------------取文件保存路径 Public Property Let MathPathTo(strType) Img_MathPath_To=strType End Property '--------------保存文件时是否覆盖已有文件 Public Property Let CovePro(LngSize) If LngSize=0 or LngSize=1 or LngSize=true or LngSize=false then CoverIf=LngSize End If End Property '---------------取缩略图/放大图 缩略值 Public Property Let ReduceSize(LngSize) If isNumeric(LngSize) then Img_Reduce_Size=LngSize End If End Property '---------------取描边属性 '边框粗细 Public Property Let FrameSize(LngSize) If isNumeric(LngSize) then Img_Frame_Size=Clng(LngSize) End If End Property '边框宽度 Public Property Let FrameWidth(LngSize) If isNumeric(LngSize) then Img_Frame_Width=Clng(LngSize) End If End Property '边框高度 Public Property Let FrameHeight(LngSize) If isNumeric(LngSize) then Img_Frame_Height=Clng(LngSize) End If End Property '边框颜色 Public Property Let FrameColor(strType) If strType<>"" then Img_Frame_Color=strType End If End Property '边框是否加粗 Public Property Let FrameSolid(LngSize) If LngSize=1 or LngSize=0 or LngSize=true or LngSize=false then Img_Frame_Solid=LngSize End If End Property '---------------取插入文字属性 '插入的文字 Public Property Let Content(strType) If strType<>"" then Img_Font_Content=strType End If End Property '文字字体 Public Property Let FontFamily(strType) If strType<>"" then Img_Font_Family=strType End If End Property '文字颜色 Public Property Let FontColor(strType) If strType<>"" then Img_Font_Color=strType End If End Property '文字品质 Public Property Let FontQuality(LngSize) If isNumeric(LngSize) then Img_Font_Quality=Clng(LngSize) End If End Property '文字大小 Public Property Let FontSize(LngSize) If isNumeric(LngSize) then Img_Font_Size=Clng(LngSize) End If End Property '文字是否加粗 Public Property Let FontBold(LngSize) If LngSize=1 or LngSize=0 or LngSize=true or LngSize=false then Img_Font_Bold=LngSize End If End Property '输入文字的X坐标 Public Property Let FontX(LngSize) If isNumeric(LngSize) then Img_Font_X=Clng(LngSize) End If End Property '输入文字的Y坐标 Public Property Let FontY(LngSize) If isNumeric(LngSize) then Img_Font_Y=Clng(LngSize) End If End Property '---------------取插入图片属性 '插入图片的路径 Public Property Let PicInPath(strType) Img_PicIn_Path=strType End Property '图片插入的X坐标 Public Property Let PicInX(LngSize) If isNumeric(LngSize) then Img_PicIn_X=Clng(LngSize) End If End Property '图片插入的Y坐标 Public Property Let PicInY(LngSize) If isNumeric(LngSize) then Img_PicIn_Y=Clng(LngSize) End If End Property Private Sub Class_Initialize() Set AspJpeg_Obj=createObject("Persits.Jpeg") Img_MathPath_From="" Img_MathPath_To="" Img_Reduce_Size=150 Img_Frame_Size=1 'Img_Frame_Width=0 'Img_Frame_Height=0 'Img_Frame_Color="&H000000" 'Img_Frame_Bold=false Img_Font_Content="GoldenLeaf" 'Img_Font_Family="Arial" 'Img_Font_Color="&H000000" Img_Font_Quality=3 Img_Font_Size=14 'Img_Font_Bold=False Img_Font_X=10 Img_Font_Y=5 'Img_PicIn_X=0 'Img_PicIn_Y=0 CoverIf=1 End Sub Private Sub Class_Terminate() Err.Clear Set AspJpeg_Obj=Nothing End Sub '判断文件是否存在 Private Function FileIs(path) Set fsos=Server.createObject("Scripting.FileSystemObject") FileIs=fsos.FileExists(path) Set fsos=Nothing End Function '判断目录是否存在 Private Function FolderIs(path) Set fsos=Server.createObject("Scripting.FileSystemObject") FolderIs=fsos.FolderExists(path) Set fsos=Nothing End Function '******************************************* '函数作用：取得当前文件的上一级路径 '******************************************* Private Function UpDir(ByVal D) If Len(D) = 0 then UpDir="" Else UpDir=Left(D,InStrRev(D,"\")-1) End If End Function Private Function Errors(Errors_id) select Case Errors_id Case "0" Errors="指定文件不存在" Case 1 Errors="指定目录不存在" Case 2 Errors="已存在相同名称文件" Case 3 Errors="参数溢出" End select End Function '取图片宽度 Public Function ImgInfo_Width(Img_MathPath) If Not(FileIs(Img_MathPath)) then 'Exit Function ImgInfo_Width=Errors(0) Else AspJpeg_Obj.Open Img_MathPath ImgInfo_Width=AspJpeg_Obj.width End If End Function '取图片高度 Public Function ImgInfo_Height(Img_MathPath) If Not(FileIs(Img_MathPath)) then 'Exit Function ImgInfo_Height=Errors(0) Else AspJpeg_Obj.Open Img_MathPath ImgInfo_Height=AspJpeg_Obj.height End If End Function '生成缩略图/放大图 Public Function Img_Reduce() If Not(FileIs(Img_MathPath_From)) then Img_Reduce=Errors(0) Exit Function End If If Not(FolderIs(UpDir(Img_MathPath_To))) then Img_Reduce=Errors(1) Exit Function End If If CoverIf=0 or CoverIf=False then If FileIs(Img_MathPath_To) then Img_Reduce=Errors(2) Exit Function End If End If AspJpeg_Obj.Open Img_MathPath_From AspJpeg_Obj.PreserveAspectRatio = True If AspJpeg_Obj.OriginalWidth>AspJpeg_Obj.OriginalHeight Then AspJpeg_Obj.Width=Img_Reduce_Size Else AspJpeg_Obj.Height=Img_Reduce_Size End If If AspJpeg_Obj.OriginalWidth>Img_Reduce_Size or AspJpeg_Obj.OriginalHeight>Img_Reduce_Size Then If AspJpeg_Obj.Width0 then Call Img_Pen(AspJpeg_Obj_New) End If If Img_Font_Content<>"" then Img_Font_X=AspJpeg_Obj_New.Width/2 Img_Font_Y=AspJpeg_Obj_New.Height-15 Call Img_Font(AspJpeg_Obj_New) End If AspJpeg_Obj_New.Sharpen 1, 130 AspJpeg_Obj_New.Save Img_MathPath_To Set AspJpeg_Obj_New=Nothing Else If Img_Frame_Size>0 then Call Img_Pen(AspJpeg_Obj) End If If Img_Font_Content<>"" then Img_Font_X=AspJpeg_Obj.Width/2 Img_Font_Y=AspJpeg_Obj.Height-15 Call Img_Font(AspJpeg_Obj) End If AspJpeg_Obj.Sharpen 1, 130 AspJpeg_Obj.Save Img_MathPath_To End If Else If Img_Frame_Size>0 then Call Img_Pen(AspJpeg_Obj) End If If Img_Font_Content<>"" then Img_Font_X=AspJpeg_Obj.Width/2 Img_Font_Y=AspJpeg_Obj.Height-15 Call Img_Font(AspJpeg_Obj) End If AspJpeg_Obj.Sharpen 1, 130 AspJpeg_Obj.Save Img_MathPath_To End If End Function '生成水印 Public Function Img_WaterMark() If Not(FileIs(Img_MathPath_From)) then Img_WaterMark=Errors(0) Exit Function End If If Img_MathPath_To="" then Img_MathPath_To=Img_MathPath_From ElseIf Not(FolderIs(UpDir(Img_MathPath_To))) then Img_WaterMark=Errors(1) Exit Function End If If CoverIf=0 or CoverIf=false then If Img_MathPath_To<>Img_MathPath_From and FileIs(Img_MathPath_To) then Img_WaterMark=Errors(2) Exit Function End If End If AspJpeg_Obj.Open Img_MathPath_From If Img_PicIn_Path<>"" then If Not(FileIs(Img_PicIn_Path)) then Img_WaterMark=Errors(0) Exit Function End If Set AspJpeg_Obj_New=createObject("Persits.Jpeg") AspJpeg_Obj_New.Open Img_PicIn_Path AspJpeg_Obj.PreserveAspectRatio = True AspJpeg_Obj_New.PreserveAspectRatio = True If AspJpeg_Obj.OriginalWidthAspJpeg_Obj_New.OriginalHeight Then AspJpeg_Obj_New.Width=Img_Reduce_Size Else AspJpeg_Obj_New.Height=Img_Reduce_Size End If If Img_PicIn_X="" then Img_PicIn_X=AspJpeg_Obj.Width-AspJpeg_Obj_New.Width If Img_PicIn_Y="" then Img_PicIn_Y=AspJpeg_Obj.Height-AspJpeg_Obj_New.Height AspJpeg_Obj.DrawImage Img_PicIn_X,Img_PicIn_Y,AspJpeg_Obj_New Set AspJpeg_Obj_New=Nothing End If If Img_Frame_Size>0 then Call Img_Pen(AspJpeg_Obj) End If If Img_Font_Content<>"" then Call Img_Font(AspJpeg_Obj) End If 'AspJpeg_Obj.Sharpen 1, 130 AspJpeg_Obj.Save Img_MathPath_To End Function '生成框架 Private Function Img_Pen(Obj) If Img_Frame_Width=0 then Img_Frame_Width=Obj.Width If Img_Frame_Height=0 then Img_Frame_Height=Obj.Height Obj.Canvas.Pen.Color = Img_Frame_Color Obj.Canvas.Pen.Width = Img_Frame_Size Obj.Canvas.Brush.Solid = Img_Frame_Solid Obj.Canvas.Bar 1,1,Img_Frame_Width,Img_Frame_Height End Function '生成水印字 Private Function Img_Font(Obj) Obj.Canvas.Font.Color = Img_Font_Color Obj.Canvas.Font.Family = Img_Font_Family Obj.Canvas.Font.Quality=Img_Font_Quality Obj.Canvas.Font.Size=Img_Font_Size Obj.Canvas.Font.Bold = Img_Font_Bold Obj.Canvas.Print Img_Font_X,Img_Font_Y,Img_Font_Content End Function End Class %> 这个类可以公开调用 1. ImgInfo_Height 取图片高度 2. ImgInfo_Width 取图片宽度 调用方法: 复制代码 代码如下:Dim NewObj,Pic_h,Pic_w Set NewObj=New AspJpeg Pic_h=NewObj.ImgInfo_Height("f:/test.jpg") Pic_w=NewObj.ImgInfo_Width("f:/test.jpg") Set NewObj=Nothing Response.Write "This Picture's Height is "&Pic_h Response.Write "This Picture's Width is "&Pic_w Response.End 3. Img_Reduce 对指定图片缩小或放大并保存(可选择是否加水印,是否加框架) 必须定义声明 MathPathFrom,MathPathTo 默认为缩放至150X150 图案 如按比例缩放后图案小于该尺寸,则补充空白图片 默认文件自动覆盖 实例: 复制代码 代码如下:Dim NewObj,NewCommand Set NewObj=New AspJpeg NewObj.MathPathFrom="f:/test.jpg" NewObj.MathPathTo="f:/reduce.jpg" NewCommand=NewObj.Img_Reduce Set NewObj=Nothing If NewCommand<>"" then Response.Write "Success" Else '图片操作过程中出现错误 Response.Write "Failed" End If 4. Img_WaterMark 给指定图片添加水印 水印可以为图片 文字 或 2者结合