473,405 Members | 2,154 Online
Bytes | Software Development & Data Engineering Community
Post Job

Home Posts Topics Members FAQ

Join Bytes to post your question to a community of 473,405 software developers and data experts.

read color names from a jpeg image

Hi all,

I want to read the colors used in a jpeg image. I want the code or any any
other code components that can do that.

any suggestion , links and samples will be gratly appreciated

thanks in advance,
--prem


Nov 20 '05 #1
3 1438
HI Prem,

I now see you multipost, please do not do that, just send one message to all
the newsgroups you want to reach and where you think you maybe can get an
answer from.

However here a nice link to start with

http://msdn.microsoft.com/library/de...ingimaging.asp

Cor
Nov 20 '05 #2
"prem" <pr***********@hotmail.com> schrieb

I want to read the colors used in a jpeg image. I want the code or
any any other code components that can do that.

any suggestion , links and samples will be gratly appreciated


Have a look at the System.Drawing.Bitmap class and it's GetPixel (and
LockBits) method.

--
Armin

How to quote and why:
http://www.plig.net/nnq/nquote.html
http://www.netmeister.org/news/learn2quote.html

Nov 20 '05 #3
* "prem" <pr***********@hotmail.com> scripsit:
I want to read the colors used in a jpeg image. I want the code or any any
other code components that can do that.

any suggestion , links and samples will be gratly appreciated


'Bitmap.GetPixel'. Load the JPEG image into a 'Bitmap' object...

--
Herfried K. Wagner [MVP]
<URL:http://dotnet.mvps.org/>
Nov 20 '05 #4

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

4
by: tvmaly | last post by:
Does anyone know if it is possible to determine if an image is horizontal/vertical and color or black & white using the python image library? I have been searching this news group and the...
1
by: prem | last post by:
Hi all, I want to read the colors used in a jpeg image. I want the code or any any other code components that can do that. any suggestion , links and samples will be gratly appreciated ...
0
by: frankenberry | last post by:
I have multi-page tiff files. I need to extract individual frames from the multi-page tiffs and save them as single-page tiffs. 95% of the time I receive multi-page tiffs containing 1 or more black...
0
by: CroDude | last post by:
Hi all! I have problems when writting bitmap to a byte array and after reading it back form byte to Bitmap object. What I do is this: First I throw Bitmap to a memory-stream and then I write it...
7
by: Scott Schluer | last post by:
Is there a way to use the Image class to convert a color photo (GIF or JPEG) to a B&W photo? Thanks, Scott
0
by: Jack Wu | last post by:
Hi I've spent a good majority of my day trying to figure out how to have PIL 1.1.5 working on my OSX 10.3.9_PPC machine. I'm still stuck and I have not gotten anywhere. Could somebody please...
14
by: Frank | last post by:
I see that ImageFormat includes exif. But I can't find out if I've System.Drawing.Image.FromStream or something like it can read and/or write that format.
4
by: Pacino | last post by:
Hi, everyone, I am wondering whether it's possible to read part (e.g. 1000*1000) of a huge jpeg file (e.g. 30000*30000) and save it to another jpeg file by pure python. I failed to read the...
2
by: devnew | last post by:
hi i am new to python and PIL and was trying to write a class to read and write RGB color model jpeg images.. i came up with this class below..i want to know if this is the way to read/write the...
0
by: emmanuelkatto | last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel
0
BarryA
by: BarryA | last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
1
by: Sonnysonu | last post by:
This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...
0
marktang
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
0
by: Hystou | last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
0
by: Hystou | last post by:
Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
0
tracyyun
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
0
agi2029
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
0
isladogs
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.