From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.gmx.net ([213.165.64.20]:58847 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751649AbZEYKJw (ORCPT ); Mon, 25 May 2009 06:09:52 -0400 Message-ID: <4A1A6E6E.4030807@gmx.de> Date: Mon, 25 May 2009 12:09:50 +0200 From: Stefan Below MIME-Version: 1.0 To: Andy Walls , linux-media@vger.kernel.org Subject: Re: CPen driver development / image format References: <4A193230.3040205@gmx.de> <1243176519.3175.74.camel@palomino.walls.org> In-Reply-To: <1243176519.3175.74.camel@palomino.walls.org> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Andy Walls wrote: > On Sun, 2009-05-24 at 13:40 +0200, Stefan Below wrote: > > Why does the PBM image have this text in it: > > # CREATOR: GIMP PNM Filter Version 1.1 > > if it came from Windows? Also why does the filename have "crop" in it? > Did you do some manipulation of the output file from the Windows > application? > The Problem with the Cpen OCR Software is, that i cannot grab the real image form the pen. I can only get an somehow processed image from the Cpen software that i copied to gimp. I did also some scans with lines etc. and i hope i can figure it out. I am quite sure that the firmware on the pen gives me only an (inverted) black/white image. Thanks for your hints, Stefan > I ask because it may be the case that the C-Pen puts out a format very > close to the default format the Windows app software would like to save > things in. Comparing that default save format to the data in the URBs > may provide some insight. > > > Also a solid field isn't very helpful for making deductions about the > image data format. Try a series of images: vertical line, horizontal > line, diagonal line, ellipse, rectangle, triangle, and square grid. > Then comparison of those source images vs the data bytes might give you > more insight into the format. > > > Godd Luck, > Andy > > >> I hope someone can help me to :-) >> >> Stefan >> > > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > >