XProfan

Proc CatchImage

    Parameters MemPointer& ,Size&
    Struct GdiplusStartupInput = GdiplusVersion&,DebugEventCallback&,SuppressBackgroundThread&,SuppressExternalCodecs&
    Var GDIP& = ImportDll("Gdiplus.dll","")
    Var OLE& = ImportDll("Ole32.dll","")
    Var Kernel& = ImportDll("Kernel32.dll","")
    Declare gdpsi#,gdiplusToken&,ImageObject&,GraphicObject&,pStream&,RetVal&
    'GDIPlus starten
    Dim gdpsi#,GdiplusStartupInput
    gdpsi#.GdiplusVersion& = 1
    gdpsi#.DebugEventCallback& = 0
    gdpsi#.SuppressBackgroundThread& = 0
    gdpsi#.SuppressExternalCodecs& = 0
    GdiplusStartup(ADDR(gdiplusToken&),gdpsi#,0)
    Dispose gdpsi#
    'Speicher bereitstellen
    Var m_hBuffer& = GlobalAlloc(2,Size&)
    Var pBuffer& = GlobalLock(m_hBuffer&)
    RtlMoveMemory(pBuffer&,MemPointer&,Size&)
    GlobalUnlock(m_hBuffer&)
    'Stream erzeugen
    CreateStreamOnHGlobal(m_hBuffer&,1,Addr(pStream&))
    GdipCreateBitmapFromStream(pStream&,Addr(ImageObject&))
    'hBitmap erzeugen
    GdipCreateHBITMAPFromBitmap(ImageObject&,Addr(RetVal&),0)
    'aufräumen
    Var Command& = Long(pStream&,0)
    call(Long(Command&,8),pStream&)'IStream.Release
    GlobalFree(m_hBuffer&)
    GdipDisposeImage(ImageObject&)
    GdipDeleteGraphics(GraphicObject&)
    GdiplusShutdown(gdiplusToken&)
    FreeDll GDIP&
    FreeDll OLE&
    FreeDll Kernel&
    Return RetVal&

ENDPROC