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2D All the way! / 900 kb?

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k0shi
21
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Joined: 30th Dec 2002
Location: Cyberspace
Posted: 26th Jan 2003 09:10
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for some reason, when i look to see the amount of memory that my bitmaps take up, windows says that they all use 900kb.
can any1 tell me y?
has this ever happened to any1?
If practice makes perfect and no1s perfect y practice?
.....:::<>-<K0shi>-<>:::.....
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IanM
Retired Moderator
21
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Location: In my moon base
Posted: 26th Jan 2003 12:30
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I guess you mean that they all take out 900kb on disk?

What resolution are your images?
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Kentaree
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Location: Clonmel, Ireland
Posted: 26th Jan 2003 21:34
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If its a .bmp file, the explanation is that it is totally uncompressed, giving huge files.

Whatever I did I didn't do it!
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k0shi
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Posted: 27th Jan 2003 05:28
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resolution- 1024 by 768 pixels
ya thier all .bmp files, but y are they all the same size on disk?

If practice makes perfect and no1s perfect y practice?
.....:::<>-<K0shi>-<>:::.....
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warzog
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Location: United States
Posted: 27th Jan 2003 06:50
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If they are all the same resolution size, they will be the same KB (memory) size, because BMP format saves the complete image without compression.

Some formats that use compression will vary in size depending on how much black, or how much of the image is colored. And that will caused compressed images of the same resolution to have different KB (memory) sizes.
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warzog
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Posted: 27th Jan 2003 06:54
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Hmm... that could be confusing.
Let's put it this way:
BMP saves data for EVERY pixel, no matter what it's color is.
Other, compressed formats only save data for colored (non-black) pixels. Any pixel that has no data is automatically black. Therefore, it takes less memory (KB) to store on a disk.
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indi
21
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Joined: 26th Aug 2002
Location: Earth, Brisbane, Australia
Posted: 28th Jan 2003 08:31
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RLE compression will try and block down areas but yep its a pixel for pixel approach to keep accuracy in pixel plotting.

compared to images that have been rasterised or compressed.

http://www.lunarpixel.com

http://www.lunarpixel.com/dt/
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k0shi
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Location: Cyberspace
Posted: 15th Feb 2003 10:46
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oh i c
thanx alot

Some people say dont have an enemy in the world -
but all their friends hate him.
.....:::<>-<K0shi>-<>:::.....
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