winzip icon

BitGIF

Email
Submitted on: 2/21/2020 4:45:17 PM
By: Crock 
Level: Advanced
User Rating: By 1 Users
Compatibility: VB 4.0 (32-bit), VB 5.0, VB 6.0
Views: 1881
 
     This version creates a 1 bit GIF image with optional transparency and a maximum size of 64 x 64 pixels. Although the image is only 1 bit the two colours do not have to be black & white. The resulting GIF file will be the smallest size possible. My main interest was with the LZW compression, starting with a 1 bit image to keep it simple. But that's as far as I got. With only two colours it is limited, maybe of use in creating small library symbols in a drawing app. Most of the code is easy to understand, just gets a little complicated around part of the LZW compression algorithm. Lots of helpful comments on the GIF file format.

 
winzip iconDownload code

Note: Due to the size or complexity of this submission, the author has submitted it as a .zip file to shorten your download time. Afterdownloading it, you will need a program like Winzip to decompress it.Virus note:All files are scanned once-a-day by Planet Source Code for viruses, but new viruses come out every day, so no prevention program can catch 100% of them. For your own safety, please:
  1. Re-scan downloaded files using your personal virus checker before using it.
  2. NEVER, EVER run compiled files (.exe's, .ocx's, .dll's etc.)--only run source code.
  3. Scan the source code with Minnow's Project Scanner

If you don't have a virus scanner, you can get one at many places on the net including:McAfee.com


Other 11 submission(s) by this author

 


Report Bad Submission
Use this form to tell us if this entry should be deleted (i.e contains no code, is a virus, etc.).
This submission should be removed because:

Your Vote

What do you think of this code (in the Advanced category)?
(The code with your highest vote will win this month's coding contest!)
Excellent  Good  Average  Below Average  Poor (See voting log ...)
 

Other User Comments

2/21/2020 7:40:53 PMPaul Bahlawan

Very interesting
(If this comment was disrespectful, please report it.)

 

Add Your Feedback
Your feedback will be posted below and an email sent to the author. Please remember that the author was kind enough to share this with you, so any criticisms must be stated politely, or they will be deleted. (For feedback not related to this particular code, please click here instead.)
 

To post feedback, first please login.