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2 Commits

Author SHA1 Message Date
a ee4b04c24d help 2023-01-16 00:03:38 -06:00
a 05237d00df remove fonts 2023-01-15 20:56:11 -06:00
15 changed files with 534 additions and 34 deletions

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@ -9,7 +9,6 @@ import (
func Execute(ctx context.Context) int {
var cli Root
pst := kong.Parse(&cli)
// Call the Run() method of the selected parsed command.
err := pst.Run(&Context{Context: ctx})
if err != nil {
pst.FatalIfErrorf(err)

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@ -2,20 +2,43 @@ package cmd
import (
"fmt"
"os"
"sort"
"text/tabwriter"
"github.com/liamg/fontinfo"
"tuxpa.in/t/erm/app/fontinfo"
)
type ListFonts struct {
Styles []string `name:"styles" default:"regular"`
}
func (r *ListFonts) Run(ctx *Context) error {
fonts, err := fontinfo.Match(fontinfo.MatchStyle("Regular"))
matchers := []fontinfo.Matcher{}
for _, v := range r.Styles {
matchers = append(matchers, fontinfo.MatchStyle(v))
}
fonts, err := fontinfo.Match(matchers...)
if err != nil {
return err
}
sort.SliceStable(fonts, func(i, j int) bool {
if fonts[i].Style == fonts[j].Style {
return fonts[i].Family < fonts[j].Family
}
return fonts[i].Style < fonts[j].Style
})
w := tabwriter.NewWriter(os.Stdout, 0, 0, 0, ' ',
tabwriter.Debug)
fmt.Fprintln(w, "family\tstyle\tpath")
fmt.Fprintln(w, "---\t---\t---")
for _, font := range fonts {
fmt.Println(font.Family)
fmt.Fprintf(w, "%s\t%s\t%s\n",
font.Style,
font.Family,
font.Path,
)
w.Flush()
}
return nil
}

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@ -15,34 +15,24 @@ import (
"tuxpa.in/t/erm/app/darktile/version"
)
func getImageFromFilePath(filePath string) (image.Image, error) {
f, err := os.Open(filePath)
if err != nil {
return nil, err
}
defer f.Close()
image, _, err := image.Decode(f)
return image, err
}
type Context struct {
context.Context
}
type Root struct {
Term Term `cmd:"" default:"1" help:"launch term"`
ListFonts ListFonts `cmd:"" name:"list-fonts" help:"list fonts"`
Term Term `cmd:"" aliases:"t" default:"1" help:"launch term"`
ListFonts ListFonts `cmd:"" aliases:"lf" name:"list-fonts" help:"list fonts"`
}
type Term struct {
ShowVersion bool `cmd:"version" help:"Show darktile version information and exit"`
RewriteConfig bool `cmd:"rewrite-config" help:"Write the resultant config after parsing config files and merging with defauls back to the config file"`
LogFile string `cmd:"log-file" help:"Debug log file"`
Shell string `cmd:"shell" short:"s" help:"Shell to launch terminal with - defaults to configured user shell"`
Command string `cmd:"command" short:"c" help:"Command to run when shell starts - use this with caution"`
ScreenshotAfterMs int `cmd:"screenshot-after-ms" help:"Take a screenshot after this many milliseconds"`
ScreenshotFilename string `cmd:"screenshot-filename" help:"Filename to store screenshot taken by --screenshot-after-ms"`
ThemePath string `cmd:"theme-path" help:"Path to a theme file to use instead of the default"`
ShowVersion bool `name:"version" help:"Show erm version information and exit"`
RewriteConfig bool `name:"rewrite-config" help:"Write the resultant config after parsing config files and merging with defauls back to the config file"`
LogFile string `name:"log-file" help:"Debug log file"`
Shell string `name:"shell" short:"s" help:"Shell to launch terminal with - defaults to configured user shell"`
Command string `name:"command" short:"c" help:"Command to run when shell starts - use this with caution"`
ScreenshotAfterMs int `name:"screenshot-after-ms" help:"Take a screenshot after this many milliseconds"`
ScreenshotFilename string `name:"screenshot-filename" help:"Filename to store screenshot taken by --screenshot-after-ms"`
ThemePath string `name:"theme-path" help:"Path to a theme file to use instead of the default"`
}
func (r *Term) Run(ctx *Context) error {
@ -146,3 +136,12 @@ func (r *Term) Run(ctx *Context) error {
return g.Run()
}
func getImageFromFilePath(filePath string) (image.Image, error) {
f, err := os.Open(filePath)
if err != nil {
return nil, err
}
defer f.Close()
image, _, err := image.Decode(f)
return image, err
}

View File

@ -17,6 +17,7 @@ type Config struct {
type Font struct {
Family string `json:"family"`
Style string `json:"style"`
Size float64 `json:"size"`
DPI float64 `json:"dpi"`
Ligatures bool `json:"ligatures"`

View File

@ -4,6 +4,7 @@ import (
"encoding/hex"
"fmt"
"image/color"
termutil2 "tuxpa.in/t/erm/app/darktile/termutil"
)
@ -11,6 +12,7 @@ var defaultConfig = Config{
Opacity: 1.0,
Font: Font{
Family: "", // internally packed font will be loaded by default
Style: "Regular",
Size: 18.0,
DPI: 72.0,
Ligatures: true,

View File

@ -6,10 +6,10 @@ import (
"math"
"os"
"github.com/liamg/fontinfo"
"golang.org/x/image/font"
"golang.org/x/image/font/opentype"
"tuxpa.in/t/erm/app/darktile/packed"
"tuxpa.in/t/erm/app/fontinfo"
)
type Style uint8
@ -25,6 +25,7 @@ type StyleName string
const (
StyleRegular StyleName = "Regular"
StyleMedium StyleName = "Medium"
StyleBold StyleName = "Bold"
StyleItalic StyleName = "Italic"
StyleBoldItalic StyleName = "Bold Italic"
@ -109,26 +110,24 @@ func (m *Manager) createFace(f *opentype.Font) (font.Face, error) {
})
}
func (m *Manager) SetFontStyle(style string) error {
return nil
}
func (m *Manager) SetFontByFamilyName(name string) error {
m.family = name
if name == "" {
return m.loadDefaultFonts()
}
fonts, err := fontinfo.Match(fontinfo.MatchFamily(name))
if err != nil {
return err
}
if len(fonts) == 0 {
return fmt.Errorf("could not find font with family '%s'", name)
}
for _, fontMeta := range fonts {
switch StyleName(fontMeta.Style) {
case StyleRegular:
case StyleRegular, StyleMedium:
m.regularFace, err = m.loadFontFace(fontMeta.Path)
if err != nil {
return err

View File

@ -14,6 +14,12 @@ func WithFontFamily(family string) func(g *GUI) error {
}
}
func WithFontStyle(style string) func(g *GUI) error {
return func(g *GUI) error {
return g.fontManager.SetFontStyle(style)
}
}
func WithOpacity(opacity float64) func(g *GUI) error {
return func(g *GUI) error {
g.opacity = opacity

201
app/fontinfo/LICENSE Normal file
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@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
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"You" (or "Your") shall mean an individual or Legal Entity
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"Work" shall mean the work of authorship, whether in Source or
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2
app/fontinfo/README.md Normal file
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@ -0,0 +1,2 @@
taken from https://github.com/liamg/fontinfo

6
app/fontinfo/list.go Normal file
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@ -0,0 +1,6 @@
package fontinfo
// List all otf/ttf fonts installed on the system
func List() ([]Font, error) {
return Match()
}

103
app/fontinfo/match.go Normal file
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@ -0,0 +1,103 @@
package fontinfo
import (
"fmt"
"io/fs"
"os"
"os/user"
"path/filepath"
"strings"
)
// Font represents a font file on disk
type Font struct {
Family string
Style string
Path string
}
var validExtensions = map[string]FontParser{
".ttf": &TruetypeParser{},
".otf": &TruetypeParser{},
//".bdf": &TruetypeParser{},
//".pcf": &TruetypeParser{},
}
var fontDirs = []string{
"~/.fonts",
"~/.local/share/fonts",
"/usr/local/share/fonts",
"/usr/share/fonts",
filepath.Join(os.Getenv("XDG_DATA_HOME"), "fonts"),
}
func init() {
dataDirs := strings.Split(os.Getenv("XDG_DATA_DIRS"), string(os.PathListSeparator))
for _, dir := range dataDirs {
if dir == "" {
continue
}
fontDirs = append(fontDirs, filepath.Join(dir, "fonts"))
}
}
// Match finds all fonts installed on the system which match the provided matchers
func Match(matchers ...Matcher) ([]Font, error) {
var fonts []Font
meta := make(map[string]*FontMetadata)
var home string
if usr, _ := user.Current(); usr != nil {
home = usr.HomeDir
}
for _, dir := range fontDirs {
if home != "" && strings.HasPrefix(dir, "~/") {
dir = filepath.Join(home, dir[2:])
}
if info, err := os.Stat(dir); os.IsNotExist(err) {
continue
} else if !info.IsDir() {
continue
}
err := filepath.WalkDir(dir, func(path string, info fs.DirEntry, err error) error {
if _, ok := meta[path]; ok {
return nil
}
ext := filepath.Ext(path)
if parser, ok := validExtensions[strings.ToLower(ext)]; ok {
f, err := os.Open(path)
if err != nil {
return err
}
defer f.Close()
metadata, err := parser.Parse(f)
if err != nil {
fmt.Printf("could not parse %s: %s\n", path, err)
return nil
}
for _, match := range matchers {
if match(metadata) {
meta[path] = metadata
break
}
}
return nil
}
return nil
})
if err != nil {
return nil, err
}
}
for path, metadata := range meta {
fonts = append(fonts, Font{
Family: metadata.FontFamily,
Style: metadata.FontStyle,
Path: path,
})
}
return fonts, nil
}

26
app/fontinfo/matchers.go Normal file
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@ -0,0 +1,26 @@
package fontinfo
import (
"strings"
)
type Matcher func(m *FontMetadata) bool
// MatchFamily is a matcher which matches fonts with the specified font family (case insensitive)
func MatchFamily(family string) Matcher {
return func(m *FontMetadata) bool {
return strings.EqualFold(m.FontFamily, family)
}
}
// MatchStyle is a matcher which matches fonts with the specified font family (case insensitive)
func MatchStyle(style string) Matcher {
if style == "*" {
return func(m *FontMetadata) bool {
return true
}
}
return func(m *FontMetadata) bool {
return strings.EqualFold(m.FontStyle, style)
}
}

135
app/fontinfo/parse.go Normal file
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@ -0,0 +1,135 @@
package fontinfo
import (
"bytes"
"fmt"
"io"
"unicode/utf8"
"golang.org/x/text/encoding/unicode"
)
func read(r io.Reader, length int) ([]byte, error) {
buf := make([]byte, length)
if n, err := r.Read(buf); err != nil {
return nil, err
} else if n < length {
return nil, fmt.Errorf("invalid length")
}
return buf, nil
}
func u16(buf []byte) uint16 {
return (uint16(buf[0]) << 8) + uint16(buf[1])
}
func u32(buf []byte) uint32 {
return (uint32(buf[0]) << 24) + (uint32(buf[1]) << 16) + (uint32(buf[2]) << 8) + uint32(buf[3])
}
type FontMetadata struct {
FontFamily string
FontStyle string
}
type FontParser interface {
Parse(r io.ReadSeeker) (*FontMetadata, error)
}
// for ttf and otf files
type TruetypeParser struct {
}
func (t *TruetypeParser) Parse(r io.ReadSeeker) (*FontMetadata, error) {
buf, err := read(r, 12)
if err != nil {
return nil, err
}
tableCount := u16(buf[4:6])
for i := 0; i < int(tableCount); i++ {
if _, err := r.Seek(12+(int64(i)*16), 0); err != nil {
return nil, err
}
table, err := read(r, 16)
if err != nil {
return nil, err
}
if string(table[0:4]) != "name" {
continue
}
offset := u32(table[8:12])
return t.readNameTable(r, offset)
}
return nil, fmt.Errorf("name table not found")
}
func (t *TruetypeParser) readNameTable(r io.ReadSeeker, offset uint32) (*FontMetadata, error) {
if _, err := r.Seek(int64(offset), 0); err != nil {
return nil, fmt.Errorf("invalid font file")
}
nameTable, err := read(r, 6)
if err != nil {
return nil, err
}
nameCount := u16(nameTable[2:4])
stringOffset := int64(u16(nameTable[4:6])) + int64(offset)
var done uint8
var metadata FontMetadata
nameRecordStart := offset + 6
for j := 0; j < int(nameCount); j++ {
recordOffset := nameRecordStart + uint32(12*j)
if _, err := r.Seek(int64(recordOffset), 0); err != nil {
return nil, err
}
buf, err := read(r, 12)
if err != nil {
return nil, err
}
language := u16(buf[4:6])
if language != 0 && language != 1033 { // not english or english us
continue
}
nameID := u16(buf[6:8])
switch nameID {
case 1, 2: //family, style
if _, err := r.Seek(int64(stringOffset)+int64(u16(buf[10:12])), 0); err != nil {
return nil, err
}
raw, err := read(r, int(u16(buf[8:10])))
if err != nil {
return nil, err
}
if nameID == 1 {
done |= 1
metadata.FontFamily = lazyUnicode(raw)
} else {
done |= 2
metadata.FontStyle = lazyUnicode(raw)
}
if done == 3 { // bail early if we have what we need
return &metadata, nil
}
}
}
return &metadata, nil
}
func lazyUnicode(r []byte) string {
var back bool
if bytes.HasSuffix(r, []byte{0}) {
r = bytes.TrimSuffix(r, []byte{0})
back = true
}
if utf8.Valid(r) && (!bytes.Contains(r, []byte{0})) {
return string(r)
}
if back {
r = append(r, 0)
}
dec := unicode.UTF16(unicode.BigEndian, unicode.UseBOM).NewDecoder()
ans, err := dec.String(string(r))
if err != nil {
return "Invalid_UTF16_Encoding"
}
return ans
}

2
go.mod
View File

@ -8,7 +8,6 @@ require (
github.com/d-tsuji/clipboard v0.0.3
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20210727001814-0db043d8d5be // indirect
github.com/hajimehoshi/ebiten/v2 v2.2.0-alpha.11.0.20210724070913-1706d9436a78
github.com/liamg/fontinfo v0.1.3
github.com/mvdan/xurls v1.1.0 // indirect
github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
github.com/stretchr/testify v1.7.0
@ -16,6 +15,7 @@ require (
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1
golang.org/x/text v0.3.6
gopkg.in/yaml.v2 v2.4.0 // indirect
mvdan.cc/xurls v1.1.0
sigs.k8s.io/yaml v1.1.0

2
go.sum
View File

@ -168,8 +168,6 @@ github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfn
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/liamg/fontinfo v0.1.3 h1:R3b2lEAQNwaNJv1jD8B30SUWHkOmzbk7KpKdLrNx+tk=
github.com/liamg/fontinfo v0.1.3/go.mod h1:6REdGXLC8yXmxpX31DDwjjzT06g1c7UcvY75AGf9sH4=
github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
github.com/lxn/walk v0.0.0-20191128110447-55ccb3a9f5c1 h1:/QwQcwWVOQXcoNuV9tHx30gQ3q7jCE/rKcGjwzsa5tg=