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This commit is contained in:
Peter Williams 2018-08-20 18:37:47 +10:00
parent 8b6a14a2f9
commit b9561f0671
1 changed files with 8 additions and 8 deletions
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16
pdf/model/textencoding/simple.go
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@ -28,7 +28,7 @@ type SimpleEncoder struct {
baseName string baseName string
baseEncoding map[uint16]rune baseEncoding map[uint16]rune
differences map[byte]string differences map[byte]string
codeToGlyph map[uint16]string CodeToGlyph map[uint16]string
glyphToCode map[string]uint16 glyphToCode map[string]uint16
codeToRune map[uint16]rune codeToRune map[uint16]rune
} }
@ -94,12 +94,12 @@ func (se SimpleEncoder) String() string {
name = fmt.Sprintf("%s(diff)", se.baseName) name = fmt.Sprintf("%s(diff)", se.baseName)
} }
parts := []string{ parts := []string{
fmt.Sprintf("%#q %d entries %d differences", name, len(se.codeToGlyph), len(se.differences)), fmt.Sprintf("%#q %d entries %d differences", name, len(se.CodeToGlyph), len(se.differences)),
fmt.Sprintf("differences=%+v", se.differences), fmt.Sprintf("differences=%+v", se.differences),
} }
codes := []int{} codes := []int{}
for c := range se.codeToGlyph { for c := range se.CodeToGlyph {
codes = append(codes, int(c)) codes = append(codes, int(c))
} }
sort.Ints(codes) sort.Ints(codes)
@ -110,7 +110,7 @@ func (se SimpleEncoder) String() string {
for i := 0; i < numCodes; i++ { for i := 0; i < numCodes; i++ {
c := codes[i] c := codes[i]
parts = append(parts, fmt.Sprintf("%d=0x%02x: %q", c, c, se.codeToGlyph[uint16(c)])) parts = append(parts, fmt.Sprintf("%d=0x%02x: %q", c, c, se.CodeToGlyph[uint16(c)]))
} }
return fmt.Sprintf("SIMPLE_ENCODER{%s}", strings.Join(parts, ", ")) return fmt.Sprintf("SIMPLE_ENCODER{%s}", strings.Join(parts, ", "))
} }
@ -123,7 +123,7 @@ func (se SimpleEncoder) Encode(raw string) string {
// CharcodeToGlyph returns the glyph name for character code `code`. // CharcodeToGlyph returns the glyph name for character code `code`.
// The bool return flag is true if there was a match, and false otherwise. // The bool return flag is true if there was a match, and false otherwise.
func (se SimpleEncoder) CharcodeToGlyph(code uint16) (string, bool) { func (se SimpleEncoder) CharcodeToGlyph(code uint16) (string, bool) {
glyph, ok := se.codeToGlyph[code] glyph, ok := se.CodeToGlyph[code]
if !ok { if !ok {
common.Log.Debug("Charcode -> Glyph error: charcode not found: 0x%04x", code) common.Log.Debug("Charcode -> Glyph error: charcode not found: 0x%04x", code)
} }
@ -206,12 +206,12 @@ func (se *SimpleEncoder) computeTables() {
glyphToCode[glyph] = code glyphToCode[glyph] = code
} }
} }
se.codeToGlyph = codeToGlyph se.CodeToGlyph = codeToGlyph
se.glyphToCode = glyphToCode se.glyphToCode = glyphToCode
se.codeToRune = codeToRune se.codeToRune = codeToRune
} }
// FromFontDifferences converts `diffList`, a /Differences array from an /Encoding object to a map // FromFontDifferences converts `diffList` (a /Differences array from an /Encoding object) to a map
// representing character code to glyph mappings. // representing character code to glyph mappings.
func FromFontDifferences(diffList *core.PdfObjectArray) (map[byte]string, error) { func FromFontDifferences(diffList *core.PdfObjectArray) (map[byte]string, error) {
differences := map[byte]string{} differences := map[byte]string{}
@ -232,7 +232,7 @@ func FromFontDifferences(diffList *core.PdfObjectArray) (map[byte]string, error)
return differences, nil return differences, nil
} }
// ToFontDifferences converts `differences`, a map representing character code to glyph mappings, // ToFontDifferences converts `differences` (a map representing character code to glyph mappings)
// to a /Differences array for an /Encoding object. // to a /Differences array for an /Encoding object.
func ToFontDifferences(differences map[byte]string) *core.PdfObjectArray { func ToFontDifferences(differences map[byte]string) *core.PdfObjectArray {
if len(differences) == 0 { if len(differences) == 0 {