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LcOldPhoto=Thisform.pf.pgkart.txtfoto.Value

 

Declare Integer TWAIN_SelectImageSource In Eztw32.Dll Integer HWnd

Declare Integer TWAIN_AcquireNative In Eztw32.Dll Integer nAppWind, Integer nPixelTypes

Declare Integer TWAIN_WriteNativeToFilename In Eztw32.Dll Integer nDIB, String cFilename

Declare Integer TWAIN_FreeNative In Eztw32.Dll Integer nDIB

 

Local cFilename, lnImageHandle, lnReply,lcSource,LcPath,LcFile

m.LcPath = Addbs(m.gcFotoDir)

m.LcFile = Alltrim(Thisform.pf.pgkart.txtckodu.Value) + ".BMP"

m.cFilename = m.LcPath+m.LcFile

 

* Kamera Veya Tarayıcıyı Seçmek

Surucu=TWAIN_SelectImageSource (Thisform.HWnd)

 

* Get the image

lnImageHandle = TWAIN_AcquireNative(0,0)

 

* Write the image to a disk file

lnReply = TWAIN_WriteNativeToFilename(lnImageHandle,m.cFilename)

 

* Release the image handle

TWAIN_FreeNative(lnImageHandle)

 

* Check for errors

If lnReply = 0

* Resim Kaydedildi

    Messagebox("Foto Kaydedildi..." + cFilename,64,'Fotoğraf Çekimi')

Else

* Resim Kaydedilmedi

    Messagebox("Foto Kaydedilmedi...",16,'Fotoğraf Çekimi')

Endif

 

 

If ! Empty(m.cFilename)

    With Thisform.pf.pgkart

        .txtfoto.Value=Justfname(m.cFilename)

        .image1.Picture = m.cFilename

        .Refresh()

    Endwith

Endif

LOCAL oForm

oForm = CREATEOBJECT("Tform")

oForm.Show(1)

* end of main

 

DEFINE CLASS Tform As Form

#DEFINE WM_CAP_START  0x0400

#DEFINE WM_CAP_DRIVER_CONNECT    (WM_CAP_START+10)

#DEFINE WM_CAP_DRIVER_DISCONNECT (WM_CAP_START+11)

#DEFINE WM_CAP_DRIVER_GET_CAPS   (WM_CAP_START+14)

#DEFINE WM_CAP_SET_PREVIEW       (WM_CAP_START+50)

#DEFINE WM_CAP_SET_OVERLAY       (WM_CAP_START+51)

#DEFINE WM_CAP_SET_PREVIEWRATE   (WM_CAP_START+52)

#DEFINE WM_CAP_GET_STATUS        (WM_CAP_START+54)

#DEFINE WM_CAP_GRAB_FRAME        (WM_CAP_START+60)

 

    Width=340

    Height=310

    Autocenter=.T.

    Caption="Using Video Capture"

    MinButton=.F.

    MaxButton=.F.

    hWindow=0

    hCapture=0

    capWidth=0

    capHeight=0

    capOverlay=0

    

    ADD OBJECT cmdGetFrame As CommandButton WITH Default=.T.,;

    Left=15, Top=264, Height=27, Width=90, Caption="Get Frame",;

    Enabled=.F.

 

    ADD OBJECT cmdPreview As CommandButton WITH Default=.T.,;

    Left=106, Top=264, Height=27, Width=100, Caption="Preview Video",;

    Enabled=.F.

 

    ADD OBJECT cmdClose As CommandButton WITH Cancel=.T.,;

    Left=250, Top=264, Height=27, Width=70, Caption="Close"

 

PROCEDURE Activate

    IF THIS.hWindow = 0

        DECLARE INTEGER GetFocus IN user32

        THIS.hWindow = GetFocus()

        THIS.CreateCaptureWindow

        THIS.DriverConnect

    ENDIF

 

PROCEDURE Destroy

    THIS.ReleaseCaptureWindow

 

PROCEDURE cmdClose.Click

    ThisForm.Release

 

PROCEDURE cmdGetFrame.Click

    ThisForm.GetFrame

 

PROCEDURE cmdPreview.Click

    ThisForm.StartPreview

 

PROCEDURE GetFrame

    THIS.msg(WM_CAP_GRAB_FRAME, 0,0)

 

PROCEDURE CreateCaptureWindow

#DEFINE WS_CHILD   0x40000000

#DEFINE WS_VISIBLE 0x10000000

 

    DECLARE INTEGER capCreateCaptureWindow IN avicap32;

        STRING lpszWindowName, LONG dwStyle,;

        INTEGER x, INTEGER y,;

        INTEGER nWidth, INTEGER nHeight,;

        INTEGER hParent, INTEGER nID

 

    THIS.hCapture = capCreateCaptureWindow("",;

        WS_CHILD+WS_VISIBLE,;

        10,8,320,240, THIS.hWindow, 1)

 

PROCEDURE DriverConnect

    THIS.msg(WM_CAP_DRIVER_CONNECT, 0,0)

    IF THIS.IsCaptureConnected()

        THIS.GetCaptureDimensions

        STORE .T. TO THIS.cmdGetFrame.Enabled,;

            THIS.cmdPreview.Enabled

        THIS.Caption = THIS.Caption + ": connected, " +;

            LTRIM(STR(THIS.capWidth)) + "x" +;

            LTRIM(STR(THIS.capHeight))

    ELSE

        THIS.Caption = THIS.Caption + ": failed to connect"

    ENDIF

 

PROCEDURE DriverDisconnect

    THIS.msg(WM_CAP_DRIVER_DISCONNECT, 0,0)

    

PROCEDURE ReleaseCaptureWindow

    IF THIS.hCapture <> 0

        THIS.DriverDisconnect

        DECLARE INTEGER DestroyWindow IN user32 INTEGER hWnd

        = DestroyWindow(THIS.hCapture)

        THIS.hCapture = 0

    ENDIF

 

PROCEDURE msg(msg, wParam, lParam, nMode)

    IF THIS.hCapture = 0

        RETURN

    ENDIF

 

    IF VARTYPE(nMode) <> "N" Or nMode=0

        DECLARE INTEGER SendMessage IN user32;

            INTEGER hWnd, INTEGER Msg,;

            INTEGER wParam, INTEGER lParam

        = SendMessage(THIS.hCapture, msg, wParam, lParam)

    ELSE

        DECLARE INTEGER SendMessage IN user32;

            INTEGER hWnd, INTEGER Msg,;

            INTEGER wParam, STRING @lParam

        = SendMessage(THIS.hCapture, msg, wParam, @lParam)

    ENDIF

 

FUNCTION IsCaptureConnected

* analyzing fCaptureInitialized member of the CAPDRIVERCAPS structure

#DEFINE CAPDRIVERCAPS_SIZE 44

    LOCAL cBuffer, nResult

    cBuffer = Repli(Chr(0),CAPDRIVERCAPS_SIZE)

    THIS.msg(WM_CAP_DRIVER_GET_CAPS, Len(cBuffer), @cBuffer, 1)

    THIS.capOverlay = buf2dword(SUBSTR(cBuffer,5,4))

    nResult = Asc(SUBSTR(cBuffer, 21,1))

RETURN (nResult<>0)

 

PROCEDURE GetCaptureDimensions

* reading uiImageWidth and uiImageHeight members

* of the CAPSTATUS structure

#DEFINE CAPSTATUS_SIZE 76

    LOCAL cBuffer

    cBuffer = Repli(Chr(0), CAPSTATUS_SIZE)

    THIS.msg(WM_CAP_GET_STATUS, Len(cBuffer), @cBuffer, 1)

    THIS.capWidth = buf2dword(SUBSTR(cBuffer,1,4))

    THIS.capHeight = buf2dword(SUBSTR(cBuffer,5,4))

    

PROCEDURE StartPreview

    THIS.msg(WM_CAP_SET_PREVIEWRATE, 30,0)

    THIS.msg(WM_CAP_SET_PREVIEW, 1,0)

    IF THIS.capOverlay <> 0

        THIS.msg(WM_CAP_SET_OVERLAY, 1,0)

    ENDIF

 

PROCEDURE StopPreview

    THIS.msg(WM_CAP_SET_PREVIEW, 0,0)

ENDDEFINE

 

FUNCTION buf2dword(lcBuffer)

RETURN Asc(SUBSTR(lcBuffer, 1,1)) + ;

    BitLShift(Asc(SUBSTR(lcBuffer, 2,1)),  8) +;

    BitLShift(Asc(SUBSTR(lcBuffer, 3,1)), 16) +;

    BitLShift(Asc(SUBSTR(lcBuffer, 4,1)), 24)