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HB-VECTOR(1) User Commands HB-VECTOR(1) NAME hb-vector - Draw text with given font. DESCRIPTION Usage: hb-vector [OPTION???] [FONT-FILE] [TEXT] Draw text with given font. Help Options: -h, --help Show help options --help-all Show all help options --help-face Options for the font face --help-font Options for the font instance --help-variations Options for font variations used --help-text Options for the input text --help-text-context Options for the input context text --help-shape Options for the shaping process --help-features Options for font features used --help-output Options for the destination & form of the output --help-view Options for output rendering --help-vector Options for vector output Font-face options: --font-file=filename Set font file-name -y, --face-index=index Set face index (default: 0) --face-loader=loader Set face loader to use (default: ot) Supported face loaders are: ot/ft --list-face-loaders List available face loaders and quit Font-instance options: --font-size=1/2 integers or 'upem' Font size (default: upem) --font-ppem=1/2 integers Set x,y pixels per EM (default: 0; disabled) --font-ptem=point-size Set font point-size (default: 0; disabled) --font-bold=1/2 numbers; eg. 0.05 Set synthetic bold (default: 0) --font-grade=1/2 numbers; eg. 0.05 Set synthetic grade (default: 0) --font-slant=slant ratio; eg. 0.2 Set synthetic slant (default: 0) --font-funcs=impl Set font functions implementation to use (default: ot) Supported font function implementations are: ot/ft --list-font-funcs List available font functions and quit --ft-load-flags=integer Set FreeType load-flags (default: 2) Variations options: --named-instance=index Set named-instance index (default: none) --variations=list Comma-separated list of font variations Variations are set globally. The format for specifying variation settings follows. All valid CSS font-variation-settings values other than 'normal' and 'inherited' are also accepted, though, not documented below. The format is a tag, optionally followed by an equals sign, followed by a number. For example: "wght=500" "slnt=-7.5" Text options: If no text is provided, standard input is used for input. --text=string Set input text --text-file=filename Set input text file-name -u, --unicodes=list of hex numbers Set input Unicode codepoints --single-par Treat text as single paragraph Textual context options: --text-before=string Set text context before each line --text-after=string Set text context after each line --unicodes-before=list of hex numbers Set Unicode codepoints context before each line --unicodes-after=list of hex numbers Set Unicode codepoints context after each line Shape options: --shapers=comma-separated list Set shapers to use (default: graphite2) Supported shapers are: graphite2/ot/fallback --list-shapers List available shapers and quit --direction=ltr/rtl/ttb/btt Set text direction (default: auto) --language=BCP 47 tag Set text language (default: $LANG) --script=ISO-15924 tag Set text script (default: auto) --bot Treat text as beginning-of-paragraph --eot Treat text as end-of-paragraph --preserve-default-ignorables Preserve Default-Ignorable characters --remove-default-ignorables Remove Default-Ignorable characters --invisible-glyph Glyph value to replace Default-Ignorables with --not-found-glyph Glyph value to replace not-found characters with --not-found-variation-selector-glyph Glyph value to replace not-found variation-selector characters with --utf8-clusters Use UTF8 byte indices, not char indices --cluster-level=0/1/2/3 Cluster merging level (default: 0) --normalize-glyphs Rearrange glyph clusters in nominal order --unsafe-to-concat Produce unsafe-to-concat glyph flag --safe-to-insert-tatweel Produce safe-to-insert-tatweel glyph flag --glyphs Interpret input as glyph string --verify Perform sanity checks on shaping results Features options: --features=list Comma-separated list of font features Features can be enabled or disabled, either globally or limited to specific character ranges. The format for specifying feature set- tings follows. All valid CSS font-feature-settings values other than 'normal' and the global values are also accepted, though not documented below. CSS string escapes are not supported. The range indices refer to the positions between Unicode characters, unless the --utf8-clusters is provided, in which case range indices refer to UTF-8 byte indices. The position before the first character is always 0. The format is Python-esque. Here is how it all works: Syntax: Value: Start: End: Setting value: "kern" 1 0 ??? # Turn feature on "+kern" 1 0 ??? # Turn feature on "-kern" 0 0 ??? # Turn feature off "kern=0" 0 0 ??? # Turn feature off "kern=1" 1 0 ??? # Turn feature on "aalt=2" 2 0 ??? # Choose 2nd alternate Setting index: "kern[]" 1 0 ??? # Turn feature on "kern[:]" 1 0 ??? # Turn feature on "kern[5:]" 1 5 ??? # Turn feature on, partial "kern[:5]" 1 0 5 # Turn feature on, partial "kern[3:5]" 1 3 5 # Turn feature on, range "kern[3]" 1 3 3+1 # Turn feature on, single char Mixing it all: "aalt[3:5]=2" 2 3 5 # Turn 2nd alternate on for range Output destination & format options: -o, --output-file=filename Set output file-name (default: stdout) -O, --output-format=format Set output format (default: svg) Supported output formats are: svg/pdf View options: --background=rrggbb/rrggbbaa/none Set background color (default: #FFFFFF); use "none" for transparent --foreground=rrggbb/rrggbbaa[,...] Set foreground color (default: #000000) --rainbow Rotate glyph foreground colors through a default palette --font-palette=index Set font palette (default: 0) --custom-palette=comma-separated colors Custom palette --line-space=units Set space between lines (default: 0) --font-extents=one to three numbers Set font ascent/descent/line-gap (default: auto) --margin=one to four numbers Margin around output (default: 16) --logical Render to logical box instead of union of logical and ink boxes --ink Render to ink box instead of union of logical and ink boxes --show-extents Draw glyph extents --draw Force monochrome draw path (overrides auto-detect) --paint Force color paint path (overrides auto-detect) Vector options: --precision=N Decimal precision (default: 2) Application Options: --version Show version numbers -n, --num-iterations=N Run N iterations (default: 1) Shows shaped glyph outlines as SVG or PDF. EXIT CODES 0: Success. 1: Option parsing failed. 2: Failed loading font face. 3: Operation failed. 4: Failed setting font functions. ENVIRONMENT HB_FACE_LOADER=face-loader; Overrides the default face loader. HB_FONT_FUNCS=font-funcs; Overrides the default font-funcs. HB_SHAPER_LIST=shaper-list; Overrides the default shaper list. SEE ALSO hb-view(1), hb-shape(1), hb-raster(1), hb-vector(1), hb-subset(1), hb-info(1) Find more information or report bugs at <https://github.com/harfbuzz/harf- buzz> HarfBuzz 14.2.1 July 2026 HB-VECTOR(1)
NAME | DESCRIPTION | EXIT CODES | ENVIRONMENT | SEE ALSO
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