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* major internal changes in representation of character cells.Rich Felker2006-10-291-9/+10
| | | | | | | | | | | | | we now use 12 bytes per cell instead of 10. however, this allows us to support 256-color mode (not yet implemented but the framework is in place) and to mix scripts when using combining characters. while the latter sounds ridiculous at first, being able to visibly see a combining letter attached to a [, ", or ' is extremely useful in scripting and regular expressions with some languages. some code is left slightly messy, but overall it's much cleaner now since struct uucell is now properly encapsulated.
* revert "performance increase" that actually hurt performance on betterRich Felker2006-10-151-1/+0
| | | | | | | X servers.. :( some better approach is really needed; at this rate, even client side images would be faster...
* large performance increaseRich Felker2006-10-151-0/+1
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* missing prototypesRich Felker2006-10-121-0/+2
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* factoringRich Felker2006-10-121-1/+2
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* finally, support for decomposing characters -- this makes it possibleRich Felker2006-10-101-14/+17
| | | | | | | to display accented characters using the base character glyphs with overstriking combining marks. (needs contextual glyphs to make this look good, obviously)
* the big UCF-font commit!Rich Felker2006-10-051-6/+20
| | | | | | still a little bit messy, but it works quite well already more to come soon.
* rework the dblbuf framebuffer module's blutter heavily, based on workRich Felker2006-10-031-1/+1
| | | | | | | | by loren merritt. roughly 3-4 times as fast as the old code with slightly increased memory usage. still only supports 8bpp and font width of 8, for now, but the new design is more easily extended to 16bpp and 32bpp than the old one.
* first working version of uuterm!Rich Felker2006-10-031-0/+45
- at this point it is purely experimental. only ascii characters are visible (using builtin font) although all characters are processed. - there are known bugs, including crashes. - there are major missing features. - but it works. ^_^