extrafont: Tools for using fonts

標準以外のフォントを使うためのツール

> library(extrafont)

バージョン: 0.17

関数名	概略
`choose_font`	Choose an installed font from a list
`embed_fonts`	Embeds fonts that are listed in the local Fontmap
`extrafont`	extrafont package
`font_addpackage`	Add font from an installed package to fonts database
`font_import`	Import system fonts
`font_install`	Install a font package and register it in the fonts database
`fonts`	Show the fonts that are registered in the font table (and available for embedding)
`fonttable`	Returns the full font table
`loadfonts`	Reads the fonttable database and registers those fonts with R
`ttf_import`	Imports all TrueType fonts in a directory and all subdirectories

font_import

システムにあるフォントを専用のデータベース（extrafontdb）に追加する

> font_install()

fonts

埋め込み可能なフォント一覧を表示する

> fonts()

  [1] ".Keyboard"               "Andale Mono"            
  [3] "Aozora Mincho Heavy"     "Aozora Mincho Light"    
  [5] "Aozora Mincho Medium"    "Aozora Mincho Regular"  
  [7] "Apple Braille"           "AppleMyungjo"           
  [9] "Arial Black"             "Arial"                  
 [11] "Arial Narrow"            "Arial Rounded MT Bold"  
 [13] "Arial Unicode MS"        "Brush Script MT"        
 [15] "cinecaption"             "Comic Sans MS"          
 [17] "Courier New"             "DIN Alternate"          
 [19] "DIN Condensed"           "Georgia"                
 [21] "Impact"                  "IPAMonaGothic"          
 [23] "IPAMonaMincho"           "IPAMonaPGothic"         
 [25] "IPAMonaUIGothic"         "JNR-SB-Font"            
 [27] "Khmer Sangam MN"         "Lao Sangam MN"          
 [29] "mac-icon-standard"       "Microsoft Sans Serif"   
 [31] "Migu 1M"                 "Myanmar Sangam MN"      
 [33] "Ricty"                   "Tahoma"                 
 [35] "Times New Roman"         "TradeGothic"            
 [37] "Trebuchet MS"            "Verdana"                
 [39] "Webdings"                "Wingdings"              
 [41] "Wingdings 2"             "Wingdings 3"            
 [43] "Batang"                  "Bodoni Ornaments"       
 [45] "Bodoni 72 Smallcaps"     "Bookshelf Symbol 7"     
 [47] ""                        "Calibri"                
 [49] "Calibri Light"           "Cambria"                
 [51] "Cambria Math"            "Candara"                
 [53] "Consolas"                "Constantia"             
 [55] "Corbel"                  "DejaVu Sans"            
 [57] "DejaVu Sans Light"       "DejaVu Sans Condensed"  
 [59] "DejaVu Sans Mono"        "DejaVu Serif"           
 [61] "DejaVu Serif Condensed"  "DOCKER ONE"             
 [63] "DOCKER THREE"            "DOCKER TWO"             
 [65] "FontAwesome"             "Franklin Gothic Book"   
 [67] "Franklin Gothic Medium"  "Gabriola"               
 [69] "Gill Sans MT"            "Gulim"                  
 [71] "HGMaruGothicMPRO"        "IPAexGothic"            
 [73] "IPAexMincho"             "IPAGothic"              
 [75] "Lucida Console"          "Lucida Sans Unicode"    
 [77] "Luminari"                "Marlett"                
 [79] "Meiryo"                  "Microsoft Yi Baiti"     
 [81] "Microsoft Himalaya"      "Microsoft Tai Le"       
 [83] "MingLiU_HKSCS-ExtB"      "MingLiU_HKSCS"          
 [85] "MingLiU"                 "MingLiU-ExtB"           
 [87] "Mongolian Baiti"         "MS Gothic"              
 [89] "MS Mincho"               "MS PGothic"             
 [91] "MS PMincho"              "MS Reference Sans Serif"
 [93] "MS Reference Specialty"  "octicons"               
 [95] "Palatino Linotype"       "Perpetua"               
 [97] "PMingLiU"                "PMingLiU-ExtB"          
 [99] "SimHei"                  "SimSun"                 
[101] "SimSun-ExtB"             "Trattatello"            
[103] "Tw Cen MT"               "xkcd"

fonttable

dbに登録されたフォントの情報を表示する

> fonttable() %>% {
+   str(.)
+   head(., 3)
+ }

'data.frame':    184 obs. of  10 variables:
 $ package   : logi  NA NA NA NA NA NA ...
 $ afmfile   : chr  "Keyboard.afm.gz" "Andale Mono.afm.gz" "AozoraMinchoHeavy.afm.gz" "AozoraMinchoLight.afm.gz" ...
 $ fontfile  : chr  "/System/Library/Fonts/Keyboard.ttf" "/Library/Fonts/Andale Mono.ttf" "/Users/uri/Library/Fonts/AozoraMinchoHeavy.ttf" "/Users/uri/Library/Fonts/AozoraMinchoLight.ttf" ...
 $ FullName  : chr  ".Keyboard" "Andale Mono" "Aozora Mincho Heavy" "Aozora Mincho Light" ...
 $ FamilyName: chr  ".Keyboard" "Andale Mono" "Aozora Mincho Heavy" "Aozora Mincho Light" ...
 $ FontName  : chr  "-Keyboard" "AndaleMono" "AozoraMinchoHeavy" "AozoraMinchoLight" ...
 $ Bold      : logi  FALSE FALSE FALSE FALSE FALSE FALSE ...
 $ Italic    : logi  FALSE FALSE FALSE FALSE FALSE FALSE ...
 $ Symbol    : logi  FALSE FALSE FALSE FALSE FALSE FALSE ...
 $ afmsymfile: logi  NA NA NA NA NA NA ...

  package                  afmfile
1      NA          Keyboard.afm.gz
2      NA       Andale Mono.afm.gz
3      NA AozoraMinchoHeavy.afm.gz
                                        fontfile            FullName
1             /System/Library/Fonts/Keyboard.ttf           .Keyboard
2                 /Library/Fonts/Andale Mono.ttf         Andale Mono
3 /Users/uri/Library/Fonts/AozoraMinchoHeavy.ttf Aozora Mincho Heavy
           FamilyName          FontName  Bold Italic Symbol afmsymfile
1           .Keyboard         -Keyboard FALSE  FALSE  FALSE         NA
2         Andale Mono        AndaleMono FALSE  FALSE  FALSE         NA
3 Aozora Mincho Heavy AozoraMinchoHeavy FALSE  FALSE  FALSE         NA