golang-image/font/sfnt/gen.go
Nigel Tao 8491f88afc font/sfnt: implement Font.GlyphName.
This is based on the post table in the sfnt file.

Change-Id: I11f7a9bd9024cfc8f92adc5abb4d5356521f0df7
Reviewed-on: https://go-review.googlesource.com/36972
Reviewed-by: David Crawshaw <crawshaw@golang.org>
2017-02-17 10:37:04 +00:00

322 lines
4.2 KiB
Go

// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
package main
import (
"bytes"
"fmt"
"go/format"
"io/ioutil"
"log"
)
func main() {
data, offsets := []byte(nil), []int{0}
for _, name := range names {
data = append(data, name...)
offsets = append(offsets, len(data))
}
b := new(bytes.Buffer)
fmt.Fprintf(b, "// generated by go run gen.go; DO NOT EDIT\n\n")
fmt.Fprintf(b, "package sfnt\n\n")
fmt.Fprintf(b, "const numBuiltInPostNames = %d\n\n", len(names))
fmt.Fprintf(b, "const builtInPostNamesData = \"\" +\n")
for s := data; ; {
if len(s) <= 64 {
fmt.Fprintf(b, "%q\n", s)
break
}
fmt.Fprintf(b, "%q +\n", s[:64])
s = s[64:]
}
fmt.Fprintf(b, "\n")
fmt.Fprintf(b, "var builtInPostNamesOffsets = [...]uint16{\n")
for i, o := range offsets {
fmt.Fprintf(b, "%#04x,", o)
if i%8 == 7 {
fmt.Fprintf(b, "\n")
}
}
fmt.Fprintf(b, "\n}\n")
dstUnformatted := b.Bytes()
dst, err := format.Source(dstUnformatted)
if err != nil {
log.Fatalf("format.Source: %v\n\n----\n%s\n----", err, dstUnformatted)
}
if err := ioutil.WriteFile("data.go", dst, 0666); err != nil {
log.Fatalf("ioutil.WriteFile: %v", err)
}
}
// names is the built-in post table names listed at
// https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6post.html
var names = [258]string{
".notdef",
".null",
"nonmarkingreturn",
"space",
"exclam",
"quotedbl",
"numbersign",
"dollar",
"percent",
"ampersand",
"quotesingle",
"parenleft",
"parenright",
"asterisk",
"plus",
"comma",
"hyphen",
"period",
"slash",
"zero",
"one",
"two",
"three",
"four",
"five",
"six",
"seven",
"eight",
"nine",
"colon",
"semicolon",
"less",
"equal",
"greater",
"question",
"at",
"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z",
"bracketleft",
"backslash",
"bracketright",
"asciicircum",
"underscore",
"grave",
"a",
"b",
"c",
"d",
"e",
"f",
"g",
"h",
"i",
"j",
"k",
"l",
"m",
"n",
"o",
"p",
"q",
"r",
"s",
"t",
"u",
"v",
"w",
"x",
"y",
"z",
"braceleft",
"bar",
"braceright",
"asciitilde",
"Adieresis",
"Aring",
"Ccedilla",
"Eacute",
"Ntilde",
"Odieresis",
"Udieresis",
"aacute",
"agrave",
"acircumflex",
"adieresis",
"atilde",
"aring",
"ccedilla",
"eacute",
"egrave",
"ecircumflex",
"edieresis",
"iacute",
"igrave",
"icircumflex",
"idieresis",
"ntilde",
"oacute",
"ograve",
"ocircumflex",
"odieresis",
"otilde",
"uacute",
"ugrave",
"ucircumflex",
"udieresis",
"dagger",
"degree",
"cent",
"sterling",
"section",
"bullet",
"paragraph",
"germandbls",
"registered",
"copyright",
"trademark",
"acute",
"dieresis",
"notequal",
"AE",
"Oslash",
"infinity",
"plusminus",
"lessequal",
"greaterequal",
"yen",
"mu",
"partialdiff",
"summation",
"product",
"pi",
"integral",
"ordfeminine",
"ordmasculine",
"Omega",
"ae",
"oslash",
"questiondown",
"exclamdown",
"logicalnot",
"radical",
"florin",
"approxequal",
"Delta",
"guillemotleft",
"guillemotright",
"ellipsis",
"nonbreakingspace",
"Agrave",
"Atilde",
"Otilde",
"OE",
"oe",
"endash",
"emdash",
"quotedblleft",
"quotedblright",
"quoteleft",
"quoteright",
"divide",
"lozenge",
"ydieresis",
"Ydieresis",
"fraction",
"currency",
"guilsinglleft",
"guilsinglright",
"fi",
"fl",
"daggerdbl",
"periodcentered",
"quotesinglbase",
"quotedblbase",
"perthousand",
"Acircumflex",
"Ecircumflex",
"Aacute",
"Edieresis",
"Egrave",
"Iacute",
"Icircumflex",
"Idieresis",
"Igrave",
"Oacute",
"Ocircumflex",
"apple",
"Ograve",
"Uacute",
"Ucircumflex",
"Ugrave",
"dotlessi",
"circumflex",
"tilde",
"macron",
"breve",
"dotaccent",
"ring",
"cedilla",
"hungarumlaut",
"ogonek",
"caron",
"Lslash",
"lslash",
"Scaron",
"scaron",
"Zcaron",
"zcaron",
"brokenbar",
"Eth",
"eth",
"Yacute",
"yacute",
"Thorn",
"thorn",
"minus",
"multiply",
"onesuperior",
"twosuperior",
"threesuperior",
"onehalf",
"onequarter",
"threequarters",
"franc",
"Gbreve",
"gbreve",
"Idotaccent",
"Scedilla",
"scedilla",
"Cacute",
"cacute",
"Ccaron",
"ccaron",
"dcroat",
}