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65 lines
1.7 KiB
VimL
Vendored
65 lines
1.7 KiB
VimL
Vendored
" =============================================================================
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" Filename: autoload/calendar/pixel.vim
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" Author: itchyny
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" License: MIT License
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" Last Change: 2015/03/29 06:31:09.
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" =============================================================================
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let s:save_cpo = &cpo
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set cpo&vim
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" Load the pixel files on demand.
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" The pixel data are saved in files under pixel/.
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" For example, the character code of 'F' is 70 so the pixel data is pixel/70.
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" chr: character to get the pixel of
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" returns: pixel data in an array
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let s:pixel = { ' ': [ '..', '..', '..', '..', '..'] }
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let s:dir = expand('<sfile>:p:h') . '/pixel/'
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function! calendar#pixel#get(chr) abort
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if a:chr ==# ''
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return repeat([''], 5)
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endif
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if has_key(s:pixel, a:chr)
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return type(s:pixel[a:chr]) == type([]) ? s:pixel[a:chr] : s:pixel[' ']
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endif
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let path = s:dir . char2nr(a:chr)
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if filereadable(path)
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let s:pixel[a:chr] = readfile(path)
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else
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let s:pixel[a:chr] = 0
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endif
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return get(s:pixel, a:chr, s:pixel[' '])
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endfunction
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function! calendar#pixel#len(chr) abort
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let len = 0
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for c in split(a:chr, '\zs')
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unlet! px
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let px = calendar#pixel#get(c)
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if type(px) == type([])
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let len += len(px[0])
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endif
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endfor
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if len(a:chr)
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let len -= calendar#pixel#whitelen(a:chr[0])
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let len -= calendar#pixel#whitelen(a:chr[len(a:chr) - 1], '\.*$')
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endif
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return len
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endfunction
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function! calendar#pixel#whitelen(chr, ...) abort
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let pat = a:0 ? a:1 : '^\.*'
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let px = calendar#pixel#get(a:chr)
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if type(px) != type([])
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return 0
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endif
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let min = 100
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for str in px
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let min = min([min, len(matchstr(str, pat))])
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endfor
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return min
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endfunction
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let &cpo = s:save_cpo
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unlet s:save_cpo
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