'/////////////////////////////
'/PowerPoint文件转图像脚本(ppt2img)
'/作者:www.51windows.net，海娃
'/使用方法：将此文件放在sendto文件中，然后在ppt文件上点右键，发送到，ppt2img.vbs中，输入要输出图像的格式，然后输入图像的宽与高，脚本会生成一个同名的文件，里面为生成的图像文件。
'/机器上要安装Powerpoint程序
'/////////////////////////////
'on error resume next
Set ArgObj = WScript.Arguments
pptfilepath = ArgObj(0)
imgType = InputBox("输入导出文件的格式，可以是jpg,png,bmp,gif","输入导出文件的格式","png")

if imgType = "" or (lcase(imgType)<>"jpg" and lcase(imgType)<>"png" and lcase(imgType)<>"bmp" and lcase(imgType)<>"gif") then
	imgType = "png"
	msgbox "输入不正确，以png格式输出"
end if

imgW = InputBox("输入导出图像的宽度","输入导出图像的宽度","640")
if imgW = "" or isnumeric(imgW)=false then
	imgW = 640
	msgbox "输入不正确,程序使用默认值:640"
end if


imgH = InputBox("输入导出图像的高度","输入导出图像的高度","480")

if imgH = "" or isnumeric(imgH)=false then
	imgH = imgW*0.75
	msgbox "输入不正确,程序使用默认值:"&imgH
end if


call Form_Load(pptfilepath,imgType)

Private Sub Form_Load(Filepath,format)
	if format = "" then
		format = "gif"
	end if
	Folderpath = left(Filepath,len(Filepath)-4)
	if lcase(right(Filepath,4))<>".ppt" then
		call ConvertPPT(Filepath,Folderpath&".ppt")
	end if
	Filepath = Folderpath&".ppt"
	CreateFolder(Folderpath)
    Set ppApp = CreateObject("PowerPoint.Application")
    Set ppPresentations = ppApp.Presentations
    Set ppPres = ppPresentations.Open(Filepath, -1, 0, 0)
    Set ppSlides = ppPres.Slides

	For i = 1 To ppSlides.Count

		iname = "000000"&i
		iname = right(iname,4)'取四位数
		Call ppSlides.Item(i).Export(Folderpath&"\"&iname&"."&format, format, imgW, imgH)
	Next

	Set ppApp = Nothing
	Set ppPres = Nothing
End Sub

Function CreateFolder(Filepath)
	Dim fso, f
	on error resume next
	Set fso = CreateObject("Scripting.FileSystemObject")
	if not fso.FolderExists(Filepath) then
		Set f = fso.CreateFolder(Filepath)
	end if
	CreateFolder = f.Path
	set fso = Nothing
	set f = Nothing
End Function

Sub ConvertPPT(FileName1, FileName2)
    Dim PPT
    Dim Pres

    Set PPT = CreateObject("PowerPoint.Application")
    Set Pres = PPT.Presentations.Open(FileName1, False, False, False)
    Pres.SaveAs FileName2, , True

    Pres.Close
    PPT.Quit

    Set Pres = Nothing
    Set PPT = Nothing
End Sub
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