SavePicture

Option Compare Database
Option Explicit

' ACHTUNG : Einbindung der Excel-Objektbibliotek erforderlich (Extras-Verweise)
'           Einbindung der OLE-Automation erforderlich  (Extras-Verweise)
' getestet unter AC97 und AC2000

Private Type GUID
    Data1 As Long
    Data2 As Integer
    Data3 As Integer
    Data4(0 To 7) As Byte
End Type

'Declare a UDT to store the bitmap information
Private Type uPicDesc
    Size As Long
    Type As Long
    hPic As Long
    hPal As Long
End Type

'''Windows API Function Declarations

'Does the clipboard contain a bitmap/metafile?
Private Declare Function IsClipboardFormatAvailable Lib "user32" (ByVal wFormat As Integer) As Long

'Open the clipboard to read
Private Declare Function OpenClipboard Lib "user32" (ByVal hwnd As Long) As Long

'Get a pointer to the bitmap/metafile
Private Declare Function GetClipboardData Lib "user32" (ByVal wFormat As Integer) As Long

'Close the clipboard
Private Declare Function CloseClipboard Lib "user32" () As Long

'Convert the handle into an OLE IPicture interface.
Private Declare Function OleCreatePictureIndirect Lib "olepro32.dll" (PicDesc As uPicDesc, RefIID As GUID, ByVal fPictureOwnsHandle As Long, IPic As IPicture) As Long

'Create our own copy of the metafile, so it doesn't get wiped out by subsequent clipboard updates.
Declare Function CopyEnhMetaFile Lib "gdi32" Alias "CopyEnhMetaFileA" (ByVal hemfSrc As Long, ByVal lpszFile As String) As Long

'Create our own copy of the bitmap, so it doesn't get wiped out by subsequent clipboard updates.
Declare Function CopyImage Lib "user32" (ByVal handle As Long, ByVal un1 As Long, ByVal n1 As Long, ByVal n2 As Long, ByVal un2 As Long) As Long

'The API format types we're interested in
Const CF_BITMAP = 2
Const CF_PALETTE = 9
Const CF_ENHMETAFILE = 14
Const IMAGE_BITMAP = 0
Const LR_COPYRETURNORG = &H4

Function PastePicture(Optional lXlPicType As Long = xlPicture) As IPicture

'Some pointers
Dim h As Long, hPicAvail As Long, hPtr As Long, hPal As Long, lPicType As Long, hCopy As Long

'Convert the type of picture requested from the xl constant to the API constant
lPicType = IIf(lXlPicType = xlBitmap, CF_BITMAP, CF_ENHMETAFILE)

'Check if the clipboard contains the required format
hPicAvail = IsClipboardFormatAvailable(lPicType)

If hPicAvail <> 0 Then
    'Get access to the clipboard
    h = OpenClipboard(0&)

    If h > 0 Then
        'Get a handle to the image data
        hPtr = GetClipboardData(lPicType)

        'Create our own copy of the image on the clipboard, in the appropriate format.
        If lPicType = CF_BITMAP Then
            hCopy = CopyImage(hPtr, IMAGE_BITMAP, 0, 0, LR_COPYRETURNORG)
        Else
            hCopy = CopyEnhMetaFile(hPtr, vbNullString)
        End If

        'Release the clipboard to other programs
        h = CloseClipboard

        'If we got a handle to the image, convert it into a Picture object and return it
        If hPtr <> 0 Then Set PastePicture = CreatePicture(hCopy, 0, lPicType)
    End If
End If

End Function

Private Function CreatePicture(ByVal hPic As Long, ByVal hPal As Long, ByVal lPicType) As IPicture

' IPicture requires a reference to "OLE Automation"
Dim r As Long, uPicInfo As uPicDesc, IID_IDispatch As GUID, IPic As IPicture

'OLE Picture types
Const PICTYPE_BITMAP = 1
Const PICTYPE_ENHMETAFILE = 4

' Create the Interface GUID (for the IPicture interface)
With IID_IDispatch
    .Data1 = &H7BF80980
    .Data2 = &HBF32
    .Data3 = &H101A
    .Data4(0) = &H8B
    .Data4(1) = &HBB
    .Data4(2) = &H0
    .Data4(3) = &HAA
    .Data4(4) = &H0
    .Data4(5) = &H30
    .Data4(6) = &HC
    .Data4(7) = &HAB
End With

' Fill uPicInfo with necessary parts.
With uPicInfo
    .Size = Len(uPicInfo)                                                   ' Length of structure.
    .Type = IIf(lPicType = CF_BITMAP, PICTYPE_BITMAP, PICTYPE_ENHMETAFILE)  ' Type of Picture
    .hPic = hPic                                                            ' Handle to image.
    .hPal = IIf(lPicType = CF_BITMAP, hPal, 0)                              ' Handle to palette (if bitmap).
End With

' Create the Picture object.
r = OleCreatePictureIndirect(uPicInfo, IID_IDispatch, True, IPic)

' If an error occured, show the description
If r <> 0 Then Debug.Print "Create Picture: " & fnOLEError(r)

' Return the new Picture object.
Set CreatePicture = IPic

End Function
Private Function fnOLEError(lErrNum As Long) As String

'OLECreatePictureIndirect return values
Const E_ABORT = &H80004004
Const E_ACCESSDENIED = &H80070005
Const E_FAIL = &H80004005
Const E_HANDLE = &H80070006
Const E_INVALIDARG = &H80070057
Const E_NOINTERFACE = &H80004002
Const E_NOTIMPL = &H80004001
Const E_OUTOFMEMORY = &H8007000E
Const E_POINTER = &H80004003
Const E_UNEXPECTED = &H8000FFFF
Const S_OK = &H0

Select Case lErrNum
Case E_ABORT
    fnOLEError = " Aborted"
Case E_ACCESSDENIED
    fnOLEError = " Access Denied"
Case E_FAIL
    fnOLEError = " General Failure"
Case E_HANDLE
    fnOLEError = " Bad/Missing Handle"
Case E_INVALIDARG
    fnOLEError = " Invalid Argument"
Case E_NOINTERFACE
    fnOLEError = " No Interface"
Case E_NOTIMPL
    fnOLEError = " Not Implemented"
Case E_OUTOFMEMORY
    fnOLEError = " Out of Memory"
Case E_POINTER
    fnOLEError = " Invalid Pointer"
Case E_UNEXPECTED
    fnOLEError = " Unknown Error"
Case S_OK
    fnOLEError = " Success!"
End Select

End Function

Function GrafikZwischenablage2Datei(DatName As String) As Boolean
Dim lPicType As Long, oPic As Variant
    lPicType = xlBitmap
    Set oPic = PastePicture(lPicType)
    If oPic Is Nothing Then Exit Function
    SavePicture oPic, DatName
    GrafikZwischenablage2Datei = True
End Function

Sub mytest()
Dim ZielDat As String
ZielDat = "d:\tar\mytest.bmp"
  If GrafikZwischenablage2Datei(ZielDat) Then
    MsgBox ZielDat & " erzeugt!"
  Else
   MsgBox "kein bild in der zwischenablage"
  End If
End Sub

Sub ConvIt()
   Dim myCom As String
   Dim srcFile As String, dstFile As String
   Const IV As String = "......\i_view32.exe"
   
   srcFile = "d:\tar\mytest.bmp"
   dstFile = "d:\tar\mytest.gif"
   myCom = IV & " " & srcFile & " /convert=" & dstFile
   Shell (myCom)
End Sub