Skip to content
This repository was archived by the owner on Jun 18, 2025. It is now read-only.

Update truetype.go #70

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Update truetype.go #70

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
21 changes: 16 additions & 5 deletions truetype/truetype.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,10 @@
package truetype // import "github.com/golang/freetype/truetype"

import (
"bytes"
"fmt"
"unicode/utf16"
"unicode/utf8"

"golang.org/x/image/math/fixed"
)
Expand Down Expand Up @@ -421,22 +424,30 @@ func (f *Font) Name(id NameID) string {
// Return the ASCII value of the encoded string.
// The string is encoded as UTF-16 on non-Apple platformIDs; Apple is platformID 1.
src := f.name[offset : offset+length]
var dst []byte

if platformID != 1 { // UTF-16.
if len(src)&1 != 0 {
return ""
}
dst = make([]byte, len(src)/2)
for i := range dst {
dst[i] = printable(u16(src, 2*i))
lb := len(src) / 2
b8buf := make([]byte, 4)
u16s := make([]uint16, 1)
var buf bytes.Buffer
for i := 0; i < lb; i ++ {
u16s[0] = u16(src, i)
r := utf16.Decode(u16s)
n := utf8.EncodeRune(b8buf, r[0])
buf.Write([]byte(string(b8buf[:n])))
}
return buf.String()
} else { // ASCII.
var dst []byte
dst = make([]byte, len(src))
for i, c := range src {
dst[i] = printable(uint16(c))
}
return string(dst)
}
return string(dst)
}

func printable(r uint16) byte {
Expand Down