fontforge

package module
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 Go to latest Published: Feb 19, 2024 License: MIT Imports: 7 Imported by: 0

README

Go bindings for the Python fontforge module

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[!IMPORTANT] Currently supports python-3.11 only.

Prerequisites

  • Go >= 1.22

Install

go get go.nhat.io/fontforge

Usage

TBD

Examples

TBA

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Documentation

Overview

Package fontforge provides go bindings for Python fontforge module.

Index

Constants

View Source 
const (
	LookupTypeGSubSingle       = LookupType("gsub_single")
	LookupTypeGSubContextChain = LookupType("gsub_contextchain")
)

Lookup types.

View Source 
const (
	LookupFlagRightToLeft     = LookupFlag("right_to_left")
	LookupFlagIgnoreBases     = LookupFlag("ignore_bases")
	LookupFlagIgnoreLigatures = LookupFlag("ignore_ligatures")
	LookupFlagIgnoreMarks     = LookupFlag("ignore_marks")
)

Lookup flags.

Variables

View Source 
var ErrFileNotFound = os.ErrNotExist

ErrFileNotFound indicates that a file was not found.

Functions

func AddContextualLookupSubtable 

func AddContextualLookupSubtable(font *Font, lookupName string, lookupSubtableName string, lookupType, lookupRule string)

AddContextualLookupSubtable creates a new subtable within the specified contextual lookup (contextual, contextual chaining, or reverse contextual chaining). The lookup name should be a string specifying an existing lookup. The subtable name should also be a string and should not match any currently existing subtable in the lookup.

func AddLookup 

func AddLookup(font *Font, lookupName string, lookupType LookupType, lookupFlags LookupFlags, lookupFeatures LookupFeatures)

AddLookup creates a new lookup with the given name, type and flags. It will tag it with any indicated features.

func AddLookupSubtable 

func AddLookupSubtable(font *Font, lookupName string, lookupSubtableName string)

AddLookupSubtable creates a new subtable within the specified lookup. The lookup name should be a string specifying an existing lookup. The subtable name should also be a string and should not match any currently existing subtable in the lookup.

func AddPositionSubstitutionVariant 

func AddPositionSubstitutionVariant(glyph *Glyph, subtableName string, variant string)

AddPositionSubstitutionVariant adds position/substitution data to the glyph. The number and type of the arguments vary according to the type of the lookup containing the subtable.

func CopyGlyph 

func CopyGlyph(font *Font, glyph string) error

CopyGlyph copies a glyph into (FontForge's internal) clipboard.

func Generate 

func Generate(font *Font, path string) error

Generate generates a font file.

func PasteGlyph 

func PasteGlyph(font *Font, glyph string) error

PasteGlyph pastes the contents of (FontForge's internal) clipboard into the selected glyphs – and removes what was there before.

Types

type Font 

type Font struct {
	// contains filtered or unexported fields
}

Font is a wrapper around a Python object.

func Open 

func Open(path string) (*Font, error)

Open opens a font file.

func (*Font) AsObject 

func (f *Font) AsObject() *python3.Object

AsObject returns the underlying Object.

func (*Font) Close 

func (f *Font) Close() error

Close closes the font.

func (*Font) Copyright 

func (f *Font) Copyright() string

Copyright returns the copyright.

func (*Font) CreateGlyph 

func (f *Font) CreateGlyph(glyph string) error

CreateGlyph creates a new glyph.

func (*Font) DecRef 

func (f *Font) DecRef()

DecRef decreases the reference count of the object.

func (*Font) Em 

func (f *Font) Em() int

Em returns the em size of the font.

func (*Font) FamilyName 

func (f *Font) FamilyName() string

FamilyName returns the family name of the font.

func (*Font) FontName 

func (f *Font) FontName() string

FontName returns the font name of the font.

func (*Font) FullName 

func (f *Font) FullName() string

FullName returns the full name of the font.

func (*Font) Glyph 

func (f *Font) Glyph(glyph any) *Glyph

Glyph returns the glyph of the font.

func (*Font) HasGlyph 

func (f *Font) HasGlyph(glyph any) bool

HasGlyph returns true if the font has the glyph.

func (*Font) Path 

func (f *Font) Path() string

Path returns the path of the font.

func (*Font) SFNTNames 

func (f *Font) SFNTNames() SFNTNames

SFNTNames returns the SFNT names.

func (*Font) SetCopyright 

func (f *Font) SetCopyright(copyright string)

SetCopyright sets the copyright.

func (*Font) SetEm 

func (f *Font) SetEm(em int)

SetEm sets the em size of the font.

func (*Font) SetFamilyName 

func (f *Font) SetFamilyName(name string)

SetFamilyName sets the family name of the font.

func (*Font) SetFontName 

func (f *Font) SetFontName(name string)

SetFontName sets the font name of the font.

func (*Font) SetFullName 

func (f *Font) SetFullName(name string)

SetFullName sets the full name of the font.

func (*Font) SetSFNTNames 

func (f *Font) SetSFNTNames(keyAndValues ...string)

SetSFNTNames sets the SFNT names.

func (*Font) SetUnderlinePosition 

func (f *Font) SetUnderlinePosition(pos float64)

SetUnderlinePosition sets the underline position of the font.

func (*Font) SetUnderlineWith 

func (f *Font) SetUnderlineWith(with float64)

SetUnderlineWith sets the underline with of the font.

func (*Font) SetVersion 

func (f *Font) SetVersion(version semver.Version)

SetVersion sets the version of the font.

func (*Font) UnderlinePosition 

func (f *Font) UnderlinePosition() float64

UnderlinePosition returns the underline position of the font.

func (*Font) UnderlineWith 

func (f *Font) UnderlineWith() float64

UnderlineWith returns the underline with of the font.

func (*Font) Version 

func (f *Font) Version() *semver.Version

Version returns the version of the font.

type Glyph 

type Glyph struct {
	// contains filtered or unexported fields
}

Glyph is a font glyph.

func (*Glyph) AsObject 

func (g *Glyph) AsObject() *python3.Object

AsObject returns the underlying Object.

func (*Glyph) Close 

func (g *Glyph) Close() error

Close closes the glyph.

func (*Glyph) DecRef 

func (g *Glyph) DecRef()

DecRef decreases the reference count of the object.

func (*Glyph) GlyphName 

func (g *Glyph) GlyphName() string

GlyphName returns the name of the glyph.

func (*Glyph) LeftSideBearing 

func (g *Glyph) LeftSideBearing() float64

LeftSideBearing returns the left side bearing of the glyph.

func (*Glyph) RightSideBearing 

func (g *Glyph) RightSideBearing() float64

RightSideBearing returns the right side bearing of the glyph.

func (*Glyph) SetGlyphName 

func (g *Glyph) SetGlyphName(name string)

SetGlyphName sets the name of the glyph.

func (*Glyph) SetLeftSideBearing 

func (g *Glyph) SetLeftSideBearing(bearing float64)

SetLeftSideBearing sets the left side bearing of the glyph.

func (*Glyph) SetRightSideBearing 

func (g *Glyph) SetRightSideBearing(bearing float64)

SetRightSideBearing sets the right side bearing of the glyph.

func (*Glyph) SetWidth 

func (g *Glyph) SetWidth(width int)

SetWidth sets the width of the glyph.

func (*Glyph) Transform 

func (g *Glyph) Transform(matrix []float64)

Transform applies a transformation matrix to the glyph.

func (*Glyph) Width 

func (g *Glyph) Width() int

Width returns the width of the glyph.

type LookupFeature 

type LookupFeature struct {
	TagName LookupFeatureTag
	Scripts []LookupFeatureScript
}

LookupFeature is a font lookup feature.

func NewLookupFeature 

func NewLookupFeature(tag string) LookupFeature

NewLookupFeature creates a new lookup feature.

func (LookupFeature) MarshalPyObject 

func (f LookupFeature) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying Object.

func (LookupFeature) WithScript 

func (f LookupFeature) WithScript(scriptTag LookupFeatureScriptTag, scriptLanguages ...LookupFeatureScriptLanguage) LookupFeature

WithScript adds a script to the lookup feature.

type LookupFeatureScript 

type LookupFeatureScript struct {
	Tag       LookupFeatureScriptTag
	Languages []LookupFeatureScriptLanguage
}

LookupFeatureScript is a font lookup feature script.

func (LookupFeatureScript) MarshalPyObject 

func (s LookupFeatureScript) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying Object.

type LookupFeatureScriptLanguage 

type LookupFeatureScriptLanguage string

LookupFeatureScriptLanguage is a font lookup feature script language.

func (LookupFeatureScriptLanguage) MarshalPyObject 

func (l LookupFeatureScriptLanguage) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying Object.

type LookupFeatureScriptTag 

type LookupFeatureScriptTag string

LookupFeatureScriptTag is a font lookup feature script tag.

func (LookupFeatureScriptTag) MarshalPyObject 

func (t LookupFeatureScriptTag) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying Object.

type LookupFeatureTag 

type LookupFeatureTag string

LookupFeatureTag is a font lookup feature tag.

func (LookupFeatureTag) MarshalPyObject 

func (t LookupFeatureTag) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying Object.

type LookupFeatures 

type LookupFeatures []LookupFeature

LookupFeatures are font lookup features.

func (LookupFeatures) MarshalPyObject 

func (s LookupFeatures) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying Object.

type LookupFlag 

type LookupFlag string

LookupFlag is a font lookup flag.

func (LookupFlag) MarshalPyObject 

func (f LookupFlag) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying Object.

type LookupFlags 

type LookupFlags []LookupFlag

LookupFlags are font lookup flags.

func (LookupFlags) MarshalPyObject 

func (f LookupFlags) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying Object.

type LookupType 

type LookupType string

LookupType is a font lookup type.

func (LookupType) MarshalPyObject 

func (t LookupType) MarshalPyObject() *python3.Object

MarshalPyObject returns the underlying PyObject.

type SFNTName 

type SFNTName struct {
	Locale string
	Key    string
	Value  string
}

SFNTName is a SFNT name.

func (SFNTName) MarshalPyObject 

func (n SFNTName) MarshalPyObject() *python3.Object

MarshalPyObject marshals a SFNTName to a python3.Object.

func (*SFNTName) UnmarshalPyObject 

func (n *SFNTName) UnmarshalPyObject(o *python3.Object) error

UnmarshalPyObject unmarshals a python3.Object to a SFNTName.

type SFNTNames 

type SFNTNames []SFNTName

SFNTNames is a list of SFNTName.

func (SFNTNames) Find 

func (n SFNTNames) Find(key string) string

Find finds a SFNTName by key.

func (SFNTNames) MarshalPyObject 

func (n SFNTNames) MarshalPyObject() *python3.Object

MarshalPyObject marshals a SFNTName to a python3.Object.

Source Files

View all Source files

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