Visual Basic

Re: Need example for read/write bmp

10-Oct-07 22:31

rfrank5356 wrote:
Read a jpg, inflate to bmp in memory

The Image class does this. In fact, it's more work to have it in memory as a jpg/

rfrank5356 wrote:
search the bmp row by row for a selected color -

My image processing articles show how to do this

rfrank5356 wrote:
(or OCR the pixels contained in the bounded area),

That part is very hard, you won't do it, I don't expect.

rfrank5356 wrote:
I think I need an api to read the jpg data into a bmp table

The Bitmap constructor will read a jpg, and it's a bitmap in memory.

rfrank5356 wrote:
then an api to an ocr routine

There are OCR libraries for purchase if you really need this, Atalasoft have one and the libraries of theirs I use, are excellent.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

rfrank535611-Oct-07 18:10

rfrank5356

11-Oct-07 18:10

Thanks very much - I've downloaded the sdk, looked at some of the references - still working - Is there a short vb code snippet I can grab that will allow me to get a single image and start rummaging - I have gone through a zillion (well - maybe a million) pages and no simple thing that I can grab - Once I have a start - I can usually make progress . . . Thanks Again !!

Best

Bob

Switching between .Net Framework 1.1 to 3.0

Soumyadipta10-Oct-07 19:24

Soumyadipta

10-Oct-07 19:24

1. Currently 1.1 is installed
2. I have downloaded 3.0 and installed it.
3. How can i switch to 3.0 without uninstalling 1.1
4. I am using visual studio 7.0

Re: Switching between .Net Framework 1.1 to 3.0

Christian Graus10-Oct-07 22:32

Re: Switching between .Net Framework 1.1 to 3.0

10-Oct-07 22:32

I don't think you can. 3.0 is really an addition to 2.0, if you don't have a 2.0 compiler, you're hosed.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

Luc Pattyn10-Oct-07 23:16

Luc Pattyn

10-Oct-07 23:16

Hi,

All the .NET FrameWork versions live side-by-side, installing one more does not affect the
others.

You will need a newer Visual Studio to work with a newer .NET; Visual Studio versions also
can coexist on a system.

AFAIK for 3.0 you would need either VS2005 plus extra's, or VS2008 (Orcas, beta).
See also here.[^]

Smile | :)

Luc Pattyn [Forum Guidelines] [My Articles]

this months tips:
- use PRE tags to preserve formatting when showing multi-line code snippets
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can we make DIV Read only

Satish_S10-Oct-07 19:12

Satish_S

10-Oct-07 19:12

can we make DIV Read only. is it possible to Make in server side

sathimailin1

Christian Graus10-Oct-07 22:32

10-Oct-07 22:32

This is an ASP.NET question that has nothng to do with VB. The answer is no.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

Satish_S10-Oct-07 23:19

Satish_S

10-Oct-07 23:19

Thanks for Your reply Christian Graus.
I am a learner and new to this site
so only posted wrongly
i will change my way of posting Questions

Thanks....

sathimailin1

Christian Graus10-Oct-07 23:29

10-Oct-07 23:29

no problem, I hope you get lots of help here, I know I have.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

Satish_S11-Oct-07 1:44

Satish_S

11-Oct-07 1:44

i Have a doubt that
is there any limitations to post questions?
i saw in this site you have answered for lot of issues and all of replies are understandable and me too will need lot of clarifactions.
if you have a any of e-book links to understand C#.NET ,provide the link in your reply.

Thanks

sathimailin1

HTML split using Dot Net

Vidhya Sagar10-Oct-07 16:24

10-Oct-07 16:24

Hi,

Im a dba, i'll get reports from my server everday as below in HTML format.

http://rapidshare.com/files/61712371/Main.html

I Need to split the HTML files as below

http://rapidshare.com/files/61712350/1.1.html
http://rapidshare.com/files/61712363/1.2.html

If the files 1.1.html and 1.2.html already exists in the it should append to the file. I need to send this individual files to internal office.

I've written a code to read the Main.html file to a string, but after that i dono how to write that particular string.

Pls help me and provide me a code. Frown | :(

Thanks

Vidhya Sagar

pmarfleet10-Oct-07 19:43

pmarfleet

10-Oct-07 19:43

File.WriteAllText(path, contents)[^]

Paul Marfleet

Vidhya Sagar11-Oct-07 18:44

11-Oct-07 18:44

Hi,

Thanks for the reply.

I need to extract the specific content from first file and then need to split into another two files. I dono how to extract the specific content from first file.

When i use the below commands, its copying all the data from first file to second file.
File.WriteAllText(path, contents)

Thanks, Vidhya Sagar

pmarfleet11-Oct-07 21:46

pmarfleet

11-Oct-07 21:46

You've already got code to read the HTML file, right? On what basis are you splitting the files? If it is based on a character count, split the string containing your data every n characters and write each portion to a separate file.

Paul Marfleet

Vidhya Sagar12-Oct-07 20:04

12-Oct-07 20:04

Hi Paul,

I dono which command will do that for character splitting.

Thanks, Vidhya Sagar

pmarfleet12-Oct-07 23:21

pmarfleet

12-Oct-07 23:21

Use the following overload of String.Substring[^] to read blocks of n characters from a string.

Paul Marfleet

Vidhya Sagar14-Oct-07 16:26

14-Oct-07 16:26

Thanks paul, i'll try this and let you know once completed.

Thanks again.

Vidhya Sagar

Vidhya Sagar16-Oct-07 1:54

gdi+ and make text(font) one pixel width

16-Oct-07 1:54

Hi Paul,

I've built the exe successfully.

Thank you so much for the help

Thanks a lot,
Vidhya Sagar

mehdi001610-Oct-07 12:39

mehdi0016

10-Oct-07 12:39

hi in gdi+ we have gdipStrokepath to make one pixel(unit) width edge of a path(text).
is there any api for draw text with any font and size ,but only one pixel width font?
for exam. create one pixel pen ...??

thanx

Christian Graus10-Oct-07 13:24

Re: gdi+ and make text(font) one pixel width [modified]

10-Oct-07 13:24

You can get the path that represents a string or a letter. Then you can draw it n the manner that I think you're after.

Christian Graus - Microsoft MVP - C++

"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

mehdi001611-Oct-07 0:58

mehdi0016

11-Oct-07 0:58

sorry i need a clear answer.
i already do it with a thinning algorithm , but if you work with Strokepath (gdi32) you find it very fast and easy.
i want to know is there a way to create one pixel width pen and draw text with this pen ?

-- modified at 7:11 Thursday 11th October, 2007

Dave Kreskowiak11-Oct-07 2:08

Dave Kreskowiak

11-Oct-07 2:08

I think what Christian said was that in order for that to happen, you'd have to get the outline description of each character, create your pen, and draw each character outline yourself.

A guide to posting questions on CodeProject[^]

Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007

mehdi001611-Oct-07 11:55

mehdi0016

11-Oct-07 11:55

sorry ,i think there is a misunderstood...
for outlining i have not any problem.
when you draw text in a picturebox for example ,if you increase font size 3 factors change : 1 & 2.width & height of text , 3.width of font
i want to create one pixel width font for any width & height of text.
for exam. in Tahoma when you increase font size until 14 the font width(not text width) stay one pixel.
i hope that was clear...thanks