diff options
Diffstat (limited to 'ttfparser.go')
| -rw-r--r-- | ttfparser.go | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/ttfparser.go b/ttfparser.go index 41574e2..3df633c 100644 --- a/ttfparser.go +++ b/ttfparser.go @@ -30,7 +30,7 @@ import ( "strings" ) -// This structure contains metrics of a TrueType font. +// TtfType contains metrics of a TrueType font. type TtfType struct { Embeddable bool UnitsPerEm uint16 @@ -56,7 +56,7 @@ type ttfParser struct { numGlyphs uint16 } -// Extract various metrics from a TrueType font file. +// TtfParse extracts various metrics from a TrueType font file. func TtfParse(fileStr string) (TtfRec TtfType, err error) { var t ttfParser t.f, err = os.Open(fileStr) @@ -68,11 +68,11 @@ func TtfParse(fileStr string) (TtfRec TtfType, err error) { return } if version == "OTTO" { - err = fmt.Errorf("OpenType fonts based on PostScript outlines are not supported") + err = fmt.Errorf("fonts based on PostScript outlines are not supported") return } if version != "\x00\x01\x00\x00" { - err = fmt.Errorf("Unrecognized file format") + err = fmt.Errorf("unrecognized file format") return } numTables := int(t.ReadUShort()) @@ -123,7 +123,7 @@ func (t *ttfParser) ParseHead() (err error) { t.Skip(3 * 4) // version, fontRevision, checkSumAdjustment magicNumber := t.ReadULong() if magicNumber != 0x5F0F3CF5 { - err = fmt.Errorf("Incorrect magic number") + err = fmt.Errorf("incorrect magic number") return } t.Skip(2) // flags @@ -189,7 +189,7 @@ func (t *ttfParser) ParseCmap() (err error) { } } if offset31 == 0 { - err = fmt.Errorf("No Unicode encoding found") + err = fmt.Errorf("no Unicode encoding found") return } startCount := make([]uint16, 0, 8) @@ -200,7 +200,7 @@ func (t *ttfParser) ParseCmap() (err error) { t.f.Seek(int64(t.tables["cmap"])+offset31, os.SEEK_SET) format := t.ReadUShort() if format != 4 { - err = fmt.Errorf("Unexpected subtable format: %d", format) + err = fmt.Errorf("unexpected subtable format: %d", format) return } t.Skip(2 * 2) // length, language @@ -282,7 +282,7 @@ func (t *ttfParser) ParseName() (err error) { } } if t.rec.PostScriptName == "" { - err = fmt.Errorf("PostScript name not found") + err = fmt.Errorf("the name PostScript was not found") } } return @@ -329,7 +329,7 @@ func (t *ttfParser) Seek(tag string) (err error) { if ok { t.f.Seek(int64(ofs), os.SEEK_SET) } else { - err = fmt.Errorf("Table not found: %s", tag) + err = fmt.Errorf("table not found: %s", tag) } return } @@ -346,7 +346,7 @@ func (t *ttfParser) ReadStr(length int) (str string, err error) { if n == length { str = string(buf) } else { - err = fmt.Errorf("Unable to read %d bytes", length) + err = fmt.Errorf("unable to read %d bytes", length) } } return |