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What's going on here? (RTF file wierdness)?
OK, I'm working through a fairly well known UK home / drop-in centre based ECDL course. Not super impressed by the materials or the apparent care put into producing them, but it does the trick.
Anyway, in one exercise, you take screenshots of a pre-generated file structure, and save them to a Wordpad RTF document. (Why you can't just take the easy, obvious, efficient route of saving PNGs with Paint is beyond me, but it's not the dumbest thing it's asked me to do)
They seem to expect me to use a PC from ~1995, as their example shots are tiny (~640x480) and easily fit the page. Mine, at 1024x768, have no chance. Regardless, I blundered on and saved it.
The file is HUGE. I mean, I expected it to bloat some, considering the resolution, in 24bit true-colour - but it's about 14mb for 3 pics, which I figure as 48bit/pixel... or like it's saving each pic TWICE in the file, uncompressed.
What the?
(opening in word 2003 & saving with "compress all images" doesnt work either..!)
No no no no no... Look... I know all about BMPs, compressing images, how thick MS Word is at saving compressed pictures etc. I've been working with bitmaps and the compressed / raw bitplane saving thereof in various forms since about 1991...
What I *don't* know in detail are RTFs (rich text files), and why if you save a couple of large screengrabs inside of one with Wordpad or MS Word, it comes out about twice the size you'd expect it to. If anyone can explain this to me or how to fix it (e.g. there's something wrong in my program setup, as I doubt the people running the course are expecting me to upload a double-digit-megabyte file), it'd be grand.
example: one screenshot at XGA truecolour = 1024x768x3 bytes (24bit=3byte) = 2.25mb. Three of those = 6.75mb. Actual file size is more than 13.5mb. WHHHHYYYYY?! Stupid program!
(when I applied a bit of prior knowledge - I'm only in this for the certificate! - the PNGs generated were 90, 95 and 135kb each respectively)
Cheers
MP
2 Answers
- 1 decade agoFavorite Answer
Hi,
by default window works with BMP file format which is huze in size and which you hardly compress.
the best way is to paste them in to paint program and then convert to .jpeg or gif and then paste again in the worpad.
this is repeted process but there is no other optiong to minimize the file sizes in windows.
Good luck for you Computer Driving Licence.
- Anonymous1 decade ago
I did not understand your problem completely. But from what I understood is that you want to compress some images. For that purpose you can download picasa image editing software from google.
