Scanning and viewing images from pb12.5 classic

[Former Member]

I'm looking for a way to scan images, and view them in by powerbuilder 12.5 classic application.

I've seen some old discussions on this topic, and looking for more recent information.  We were using a tool called global 360, to

view image.  We are now looking to do scanning.  Global 360 is a bit dated, and has been sold a few times.   We also use a

pretty old version of global 360 which I'm surprised works on windows 7.  So, I guess I'm looking

for a more updated tool.  I don't want to pass on a huge expense to our customers.  Does anyone have any thoughts on this?

I looking for something, that will hopefully have some examples on incorporating into powerbuilder. 

We are also looking to store these images up on our database, because we have a separate java based web product

that will be doing document stores on the database.

I'd appreciate any recommendations you can give.

thanks

[Former Member]

Hi Scot;

1) For viewing .. just use either the InkEdit or InkPicture controls (which are also supported in the DataWindow BTW).

2) For scanning .. I would recommend looking at EZTwain: Home of EZTwain

    (works great with PB!) 

HTH

Regards ... Chris

[Former Member]

It looks like my company is using Acquire, which appears to be owned by the same company that does eztwain.   It looks to be a command line utility.

I can probably get the image, into a tif file.

Would you know of any examples of getting a tif file into the db, using inkpicture?

[Former Member]

Hi Scot;

1)   EZTwain is an API:  EZTwain from PowerBuilder

2) Once you have a scanned Image file or blob - then use the LoadPicture ( ) method of the IEC/IPC.

Tip: EZTwain's "code wizard" will build the PowerScipt for you. 

Regards ... Chris

[Former Member]

Hi

But the sample code is not available. Does anyone have this sample code for me? Thank You.

André Rust

[Former Member]

Hi André;

1) I have an example I coded in PB I can send you if you like. Its built in PB version 12.1.

2) In the mean time .. here is a snippet:

Global Variables 

  long mCapHwnd 

  Constant LONG WM_CAP_DRIVER_CONNECT = 1034 

  Constant Long WM_CAP_DRIVER_DISCONNECT = 1035 

  Constant Long WM_CAP_GRAB_FRAME = 1084 

  Constant Long WM_CAP_EDIT_COPY = 1054 

  Constant Long WM_CAP_DLG_VIDEOFORMAT = 1065 

  Constant Long WM_CAP_DLG_VIDEOSOURCE = 1066 

  Constant String WM_CLOSE = 'H10' 

Global External Functions 

  FUNCTION long DIB_WriteToBmp(long hdib, string pz) LIBRARY 'EZTW32.DLL' alias for 'DIB_WriteToBmp;Ansi' 

  FUNCTION long TWAIN_AcquireNative(long hwndApp, uint wPixTypes) LIBRARY 'EZTW32.DLL' 

  FUNCTION long TWAIN_AcquireToClipboard (long hwndApp, uint wPixTypes)  LIBRARY 'EZTW32.DLL' 

  FUNCTION long TWAIN_AcquireToFilename (long hwndApp, string pz)  LIBRARY 'EZTW32.DLL' alias for 'TWAIN_AcquireToFilename;Ansi' 

  FUNCTION long TWAIN_FreeNative(long hdib)  LIBRARY 'EZTW32.DLL' 

  FUNCTION long TWAIN_SelectImageSource (long hwnd) LIBRARY 'EZTW32.DLL' 

  FUNCTION long TWAIN_SetSaveFormat(int nFF) LIBRARY 'EZTW32.DLL' 

Put a Picture button control (pb_1) and a Command button (cb_1) to capture the image. 

In the Clicked event of cb_1 : 

    long ll_ret 

    ll_ret = TWAIN_AcquireToFilename(0, "c:\temp\result.bmp") 

    pb_1.picturename='c:\temp\result.bmp' 

HTH

Regards ... Chris

[Former Member]

Hi Chris,

yes pls.

André Rust

[Former Member]

Send me an eMail (hover over my picture to get it) and I will zip it up for you.  

[Former Member]

Hi Chris,

sorry but I can't see an eMail.

André Rust

[Former Member]

Try again, I think I unblocked that OK.

[Former Member]

ok, now you can block it again. I can read this. eMail was sent to you.

[Former Member]

Let me know if you got the ZIP file example OK.

[Former Member]

Hi Chris

do you send the example yet?

André Rust

[Former Member]

Hi A;

  Yes, I sent it back as an attachment in a reply within a few minutes of receiving your email.

You might want to check your spam folder.

Regards ... Chris