Search found 16 matches

by Ezio
Tue Dec 18, 2012 6:39 pm
Forum: Image Processing & Document Imaging
Topic: Scale Function problem
Replies: 1
Views: 1146

Scale Function problem

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 ...
by Ezio
Fri Nov 04, 2011 1:22 pm
Forum: General discussions
Topic: Barcode drawing question
Replies: 5
Views: 1488

Re: Barcode drawing question

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...
by Ezio
Fri Nov 04, 2011 11:42 am
Forum: General discussions
Topic: Barcode drawing question
Replies: 5
Views: 1488

Re: Barcode drawing question

prova.zip
Test project
(35.14 KiB) Downloaded 158 times
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
by Ezio
Thu Nov 03, 2011 7:26 pm
Forum: General discussions
Topic: Barcode drawing question
Replies: 5
Views: 1488

Re: Barcode drawing question

Images.zip
barcodes image file
(4.23 KiB) Downloaded 151 times
Ooops attchments
by Ezio
Thu Nov 03, 2011 7:23 pm
Forum: General discussions
Topic: Barcode drawing question
Replies: 5
Views: 1488

Barcode drawing question

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 _ForeColor = Color....
by Ezio
Mon Feb 14, 2011 3:15 pm
Forum: Forms Processing
Topic: Readable omr documents.
Replies: 2
Views: 3377

Re: Readable omr documents.

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
by Ezio
Mon Feb 14, 2011 12:25 pm
Forum: Forms Processing
Topic: Readable omr documents.
Replies: 2
Views: 3377

Readable omr documents.

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...
by Ezio
Tue Feb 08, 2011 1:06 pm
Forum: Image Processing & Document Imaging
Topic: Error loading TIFF File
Replies: 1
Views: 618

Error loading TIFF File

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 ...
by Ezio
Mon Feb 07, 2011 7:08 pm
Forum: Feature Requests
Topic: Set Colour & BW Compression for mixed multipages
Replies: 3
Views: 1247

Re: Set Colour & BW Compression for mixed multipages

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...
by Ezio
Thu Feb 03, 2011 5:39 pm
Forum: Feature Requests
Topic: Write Custom tag in tiff file
Replies: 2
Views: 1217

Re: Write Custom tag in tiff file

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, "Hello Wor...
by Ezio
Wed Feb 02, 2011 3:07 pm
Forum: Feature Requests
Topic: Write Custom tag in tiff file
Replies: 2
Views: 1217

Write Custom tag in tiff file

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...
by Ezio
Fri May 22, 2009 1:57 pm
Forum: Example requests & Code samples
Topic: Interface GDPicture.Net to Dll written in Vc++ 6.0
Replies: 2
Views: 1133

Re: Interface GDPicture.Net to Dll written in Vc++ 6.0

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...
by Ezio
Thu May 21, 2009 3:50 pm
Forum: Example requests & Code samples
Topic: Interface GDPicture.Net to Dll written in Vc++ 6.0
Replies: 2
Views: 1133

Interface GDPicture.Net to Dll written in Vc++ 6.0

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 developpede in ...
by Ezio
Tue Apr 21, 2009 2:22 pm
Forum: TWAIN & WIA Acquisition
Topic: Twain EndPage event
Replies: 4
Views: 1328

Re: Twain EndPage event

Thak you,
is what I need.
by Ezio
Thu Apr 16, 2009 11:33 am
Forum: TWAIN & WIA Acquisition
Topic: Twain EndPage event
Replies: 4
Views: 1328

Re: Twain EndPage event

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...