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Please note this README is best viewed elsewhere than
github.com. github.com’s default
line-height setting causes distracting extraneous
horizontal lines to appear when “printing” bitmaps and
github.com does
not allow using CSS to set a more reasonable
line-height value.
This is an R data package that includes most “hex” font files from
the GNU Unifont
project compressed by xz. It includes a convenience
function that loads several of them as a {bittermelon}
bm_font() object. GNU Unifont is a duospaced bitmap font
(8x16 and 16x16 glyphs) that pretty much covers all of the official
Unicode glyphs plus several of the artificial scripts in the (Under-)ConScript Unicode
Registry.
{hexfont} includes most of the hex font files included
in the GNU
Unifont source code distribution. The version number is stripped
from the file names in the precompiled directory and the
hex fonts are all compressed by xz but other than that the
hex fonts are otherwise unchanged. Due to CRAN size limitations we omit
the “precompiled” unifont_all hex file (this is presumably
the concatenation of the “precompiled” unifont and
unifont_upper hex files).
hex_dir <- system.file("font", package = "hexfont")
list.files(hex_dir, pattern = ".hex.xz", recursive = TRUE)## [1] "plane00/alt/codepage-437.hex.xz"
## [2] "plane00/alt/izmg16-plane00-FFxx.hex.xz"
## [3] "plane00/alt/mongolian-vertical.hex.xz"
## [4] "plane00/alt/phags-pa-vertical.hex.xz"
## [5] "plane00/alt/quad-width.hex.xz"
## [6] "plane00/alt/reiwa-vertical.hex.xz"
## [7] "plane00/alt/uni0009-orig.hex.xz"
## [8] "plane00/copyleft.hex.xz"
## [9] "plane00/custom00.hex.xz"
## [10] "plane00/hangul-syllables.hex.xz"
## [11] "plane00/izmg16-plane00.hex.xz"
## [12] "plane00/omit.hex.xz"
## [13] "plane00/plane00-nonprinting.hex.xz"
## [14] "plane00/plane00-unassigned.hex.xz"
## [15] "plane00/pua.hex.xz"
## [16] "plane00/spaces.hex.xz"
## [17] "plane00/unifont-base.hex.xz"
## [18] "plane00/wqy.hex.xz"
## [19] "plane00csur/plane00csur-nonprinting.hex.xz"
## [20] "plane00csur/plane00csur-spaces.hex.xz"
## [21] "plane00csur/plane00csur-unassigned.hex.xz"
## [22] "plane00csur/plane00csur.hex.xz"
## [23] "plane01/plane01-nonprinting.hex.xz"
## [24] "plane01/plane01-noscript.hex.xz"
## [25] "plane01/plane01-space.hex.xz"
## [26] "plane01/plane01-unassigned.hex.xz"
## [27] "plane01/plane01.hex.xz"
## [28] "plane01/space.hex.xz"
## [29] "plane02/izmg16-plane02.hex.xz"
## [30] "plane02/zh-plane02.hex.xz"
## [31] "plane03/jp-plane03.hex.xz"
## [32] "plane03/zh-plane03.hex.xz"
## [33] "plane0E/plane0E-nonprinting.hex.xz"
## [34] "plane0E/plane0E-unassigned.hex.xz"
## [35] "plane0E/plane0E.hex.xz"
## [36] "plane0Fcsur/plane0Fcsur-nonprinting.hex.xz"
## [37] "plane0Fcsur/plane0Fcsur.hex.xz"
## [38] "precompiled/unifont_jp_sample.hex.xz"
## [39] "precompiled/unifont_jp.hex.xz"
## [40] "precompiled/unifont_sample.hex.xz"
## [41] "precompiled/unifont_upper_sample.hex.xz"
## [42] "precompiled/unifont_upper.hex.xz"
## [43] "precompiled/unifont.hex.xz"The main function unifont() loads in several GNU Unifont
hex files at the same time as a {bittermelon}
bm_font() object. Arguments:
| Argument | Meaning | Default |
|---|---|---|
| upper | Include glyphs above the Unicode Basic Multilingual plane | TRUE |
| jp | Use Japanese version of Chinese characters | FALSE |
| csur | Include (Under-)Conscript Unicode Registry glyphs | TRUE |
| sample | Add circle to “Combining” characters | FALSE |
| ucp | Character vector of Unicode Code Points to only load | NULL |
| cache | Read/write a pre-compiled font from/to
tools::R_user_dir("hexfont", "cache") |
FALSE |
library("bittermelon")
library("hexfont")
system.time(font <- unifont()) # Unifont is a **big** font## user system elapsed
## 147.807 0.190 148.030length(font) |> prettyNum(big.mark = ",") # number of glyphs## [1] "125,472"object.size(font) |> format(units = "MB") # memory used## [1] "198.7 Mb"# Faster to load from a cache
system.time(font <- unifont(cache = TRUE))## user system elapsed
## 0.758 0.000 0.758# Or just load the subset of GNU Unifont you need
s <- "Ｒ很棒！"
system.time(font_s <- unifont(ucp = str2ucp(s)))## user system elapsed
## 0.740 0.000 0.739# Mandarin Chinese
as_bm_bitmap(s, font = font_s) |>
bm_compress("v")## █ ▄▄▄▄▄▄▄ █ █
## ▄▄▄▄▄▄▄ ▄▀ █ █ █ ▀▀▀▀█▀▀▀▀ ▄█▄
## █ ▀▄ ▀ █ █▀▀▀▀▀█ ▀▀▀█▀▀ ▀▀█▀▀▀▀ ███
## █ ▄▀ ▄█ █▄▄▄▄▄█ ██▄ ▀▀█▀▀▀█▀▀ ▀█▀
## █▀▀▀█▀ ▄▀ █ █ █ ▄▀ █ █ ▀▄▀ █ ▀▄ █
## █ ▀▄ █ █ █▀ ▀ █ ▀▀█▀▀
## ▄█▄ ▄█▄ █ █ ▄ ▀▄ █ ▀▀▀▀█▀▀▀▀ █
## █ █▀ ▀▀ █ █# Emoji
as_bm_bitmap("🐭🐲🐵", font = font) |>
bm_compress("v")## ▄▄ ▄▄ ▄▄▄ ▄▄
## ▄▀ ▀▄▄▄▄▄▀ ▀▄ ▄█▀ ▄█▀██▀█▄
## █ ▀ ▀ █ ▄████ ▄▀█ ▄▄ ▄▄ █▀▄
## ▄█ ▀ ▀ █▄ ▄▄██▄█████ ▀▄█ ▀▀ ▀▀ █▄▀
## ▄█▀ ▄ ▀█▄ ▄█▄███████████ ▄▀ ▀▄
## ▀▄ ▀▀▀ ▄▀ ▀▀▀▀▀███▀▀█████ █ ▀▄▄▄▄▀ █
## ▀▀▄▄▄▀▀ ▄███ ████▀ ▀▀▄▄▄▄▀▀
## ▀▀▀ ▀▀▀# Klingon
as_bm_list("", font = font) |>
bm_pad(type = "trim", left = 1L, right = 1L) |>
bm_call(cbind) |>
bm_compress("v")##
## ▄█▄ ▄▄██▀▀ ▀▀████████ ▄▀ ▄█▄ ▄█▀ ▀█▄ ▄▄
## ▄▄██████▀ ▀██ ▀ ▄█▀ ███▀▀ ███ ██ ▀████████
## ▀██ ██ ▄███ ▄█ ▄██ ██▀ ▀██▄▄█▀ ██▀ ▀██
## ▀ █▄ ███ ███▄▄▄▄▄██ ▄███ ▀███▀ ▄█▀ █▀
## █▄ ▀█▄ ██▀▀▀▀▀▀███ ▄██████▄ ▀█▄ ▄█▀ █▀
## ▀▄ ▀▀▄ ▄▀ ▀█▄ ▀▀▄ ▀▀▄ ▄▀ ▀
## # Tengwar with combining glyphs
bml <- as_bm_list("", font = font)
to_raise <- which(names(bml) %in% c("U+E04A", "U+E04E"))
bml[to_raise] <- bm_shift(bml[to_raise], top = 1L)
bml |> bm_compose(pua_combining = unifont_combining()) |>
bm_pad(type = "trim", left = 1L, right = 1L) |>
bm_call(cbind) |>
bm_compress("v")## ▄ ██ ▄ ▄ ▄
## █ ▀ ▄▄ ▄▄ █ ▀ █ █ ▀
## ▀ ▀▀ ▀▀ ▀ ▀ ▀
## █▄▀▀█▄▄▀▀█▄ █▄▀▀█▄ █▄▀▀█▄▄▀▀█▄ █▄▀▀█▄ ▀▀▀█▀▀▀▀ ▀██▀▀▀█
## █ █ █ █ █ █ ▄█ ▄█ █ █ █ █▄ ▄█
## █ ▀▀ ▀▀ ▀ ▀▀ █▀▀▀▀▀▀▀▀▀▀▀ █ ▀▀ ▄▀ ▀▀▀ █
## █ █ █ █ █
## █ █ █ ▀█▄▄▄▀ █The overall license for this package is GPL (>=2) but the bundled
hex font files are also available under more permissive terms. Excerpt
from font/COPYING
License for
font/plane00/jiskan16-plane00.hexandfont/plane02/jiskan16-plane02.hex:These two files are in the Public Domain. They were created from Public Domain BDF font files jiskan16-2004-1.bdf and jiskan16-2000-2.bdf.License for font files except the jiskan16 files mentioned above are dual-licensed under the SIL Open Font License version 1.1, and under this GNU license:
All glyphs are released under the GNU General Public License (GPL) version 2 or (at your option) a later version, with the GNU font embedding exception: ** GPL v2.0 license with font embedding exception: As a special exception, if you create a document which uses this font, and embed this font or unaltered portions of this font into the document, this font does not by itself cause the resulting document to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the document might be covered by the GNU General Public License. If you modify this font, you may extend this exception to your version of the font, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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