Hi, I'm writing an OCR application. I use GDPicture 8.5.22 to cut portions of binary image and I enlarge 3 times the image using this following instruction GDImaging.Scale(pImageID, 300,System.System.Drawing.Drawing2D.InterpolationMode.HighQualityBilinear); In my computer all works fine, I get good ...

Loic, thank you for your explanation. This is what I imagined. I need produce surely readable barcode at low resolution, usually images are scanned at 200DPI resolution. To get this result I must create barcode where thin bar is always 3 pixel at least when is scanned at 200 DPI, or if you prefer ab...

Hi Loic,
in attached file you can find a sample code I use to create barcode.

I tried from 250x100 to 400x100 barcode size and it seems to change bars dimension starting at 390x100.
creating different barcode size, I get same barcode from 250 to 380 pixel width.

Kind Regards
Ezio

Ooops attchments

Hi Loic, I need create a Bitmap with 1D barcode on it. Follwing a code excerpt i write. Calling code excerpt private string Encoded_Value = ""; private Barcode1DWriterType Encoded_Type = Barcode1DWriterType.Barcode1DWriterCode39; private Image _Encoded_Image = null; private Color _ForeColo...

Thank you for soonest answer.
this are information I need.
I'm sorry I watched yesterday main page of GDPicture .NET Toolkit and I missed link to plugins area.
I will test this new features very soon.
Kind regards
Ezio Arnetoli

I'm very interestyed in this new feature, but information now are very preliminary. OMR engine looks for square Box? for circle? oval? wich elements can be used as anchor point? Can you publish a sample form images to test recognition features and sample code to do it? Thank you very much for your a...

Hello Loic, I have a TIFF file not loaded in Image Processing Demo Vers. 7 the same file had not problem to lad using using Image Processing Demo and vers. 6 of GDPicture For privacy I can't upload image in the forum, can you tell me instruction to send you this image file? I can attach the dump of ...

Hello Loic, are there some news about this argument? are you planning to implement a TIFF compression scheme using CCITT Gr4 for BW images and JPEG for color images? this is a MUST for common document capture applications. LZW is not suitable for real application. Using LZW compression produce large...

Please ignore my previus post. I find solution to my problem simply casting integer tag value to (Tags) Enumeration type. Example code i use to write "Hello world" in tag 33024. int tifftag; tifftag = 33024; oGdPictureImaging.TagSetValueString(ImageID, (Tags)tifftag, TagType.TagTypeASCII, ...

Hi, I purchased version 6 of GDPicture SDK two years agoo , now i'm testing new release. I need a function to write custom tag in tiff image. I must convert for DotNet enviroment an existing document capture application. This application must save some information collected at scanning time as a str...

Thank you for your answer, I tried similar code in c# before ask you, and it work correctly, I had problem when I try to pass DIB to an external DLL. Now I fix my trouble, The problem was in DIB you create, BITMAPINFOHEADER Height parameter was negative value, I convert it to positive and it works c...

Now I write this post in forum, because I do not receive any answer to my previous e-mails. I send it 18/05 and after 20/05 I must convert old application for Barcode recognition and Optical mark recognition in ".Net" enviroment. I bought gdPicture to do it. My recognition engine was devel...

Thak you,
is what I need.

Hi, thank you for your reply. In Twain control are you setting CAP_XFERCOUNT to -1 and buffering images? Or are you setting CAP_XFERCOUNT to only 1 page? years agoo Iwrote a Twain interface library and I remeber I must set CAP_XFERCOUNT to -1 to drive scanner at maximum speed. I try Twain sample and...