crunchy-rocks/freetype
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remove hardcoded offset

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This commit is contained in:
Mat Geist 2016-01-23 21:27:15 -08:00
parent f29eb116de
commit 60554bdab2
1 changed files with 3 additions and 2 deletions
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5
truetype/truetype.go
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@ -574,14 +574,15 @@ func parse(ttf []byte, offset int) (font *Font, err error) {
return
}
n, offset := int(u16(ttf, offset)), offset+2
if len(ttf) < 16*n+12 {
offset = offset + 2*3 // skip 3 short fields
if len(ttf) < 16*n+offset {
err = FormatError("TTF data is too short")
return
}
f := new(Font)
// Assign the table slices.
for i := 0; i < n; i++ {
x := 16*i + 12
x := 16*i + offset
switch string(ttf[x : x+4]) {
case "cmap":
f.cmap, err = readTable(ttf, ttf[x+8:x+16])