Fix #1156

hhrutter · hhrutter · commit 8f53738ff35a · 2025-07-29T13:36:38.000+02:00
diff --git a/pkg/pdfcpu/validate/font.go b/pkg/pdfcpu/validate/font.go
@@ -720,11 +720,11 @@ func validateType1FontDict(xRefTable *model.XRefTable, d types.Dict) error {
 	}
 
 	fn := (*fontName).Value()
-	required := xRefTable.Version() >= model.V15 || !validateStandardType1Font(fn)
+	required := xRefTable.Version() >= model.V17 || !validateStandardType1Font(fn)
 	if xRefTable.ValidationMode == model.ValidationRelaxed {
 		required = false
 	}
-	// FirstChar,  required except for standard 14 fonts. since 1.5 always required, integer
+	// FirstChar,  required except for standard 14 fonts. since 2.0 always required, integer
 	fc, err := validateIntegerEntry(xRefTable, d, dictName, "FirstChar", required, model.V10, nil)
 	if err != nil {
 		return err
@@ -737,19 +737,19 @@ func validateType1FontDict(xRefTable *model.XRefTable, d types.Dict) error {
 		}
 	}
 
-	// LastChar, required except for standard 14 fonts. since 1.5 always required, integer
+	// LastChar, required except for standard 14 fonts. since 2.0 always required, integer
 	_, err = validateIntegerEntry(xRefTable, d, dictName, "LastChar", required, model.V10, nil)
 	if err != nil {
 		return err
 	}
 
-	// Widths, required except for standard 14 fonts. since 1.5 always required, array of numbers
+	// Widths, required except for standard 14 fonts. since 2.0 always required, array of numbers
 	_, err = validateNumberArrayEntry(xRefTable, d, dictName, "Widths", required, model.V10, nil)
 	if err != nil {
 		return err
 	}
 
-	// FontDescriptor, required since version 1.5; required unless standard font for version < 1.5, dict
+	// FontDescriptor, required since version 2.0; required unless standard font for version <= 1.7, dict
 	err = validateFontDescriptor(xRefTable, d, dictName, "Type1", required, model.V10)
 	if err != nil {
 		return err

Original file line number	Diff line number	Diff line change
`@@ -720,11 +720,11 @@ func validateType1FontDict(xRefTable *model.XRefTable, d types.Dict) error {`
`720`	`720`	`}`
`721`	`721`
`722`	`722`	`fn := (*fontName).Value()`
`723`		`- required := xRefTable.Version() >= model.V15 \|\| !validateStandardType1Font(fn)`
	`723`	`+ required := xRefTable.Version() >= model.V17 \|\| !validateStandardType1Font(fn)`
`724`	`724`	`if xRefTable.ValidationMode == model.ValidationRelaxed {`
`725`	`725`	`required = false`
`726`	`726`	`}`
`727`		`- // FirstChar, required except for standard 14 fonts. since 1.5 always required, integer`
	`727`	`+ // FirstChar, required except for standard 14 fonts. since 2.0 always required, integer`
`728`	`728`	`fc, err := validateIntegerEntry(xRefTable, d, dictName, "FirstChar", required, model.V10, nil)`
`729`	`729`	`if err != nil {`
`730`	`730`	`return err`
`@@ -737,19 +737,19 @@ func validateType1FontDict(xRefTable *model.XRefTable, d types.Dict) error {`
`737`	`737`	`}`
`738`	`738`	`}`
`739`	`739`
`740`		`- // LastChar, required except for standard 14 fonts. since 1.5 always required, integer`
	`740`	`+ // LastChar, required except for standard 14 fonts. since 2.0 always required, integer`
`741`	`741`	`_, err = validateIntegerEntry(xRefTable, d, dictName, "LastChar", required, model.V10, nil)`
`742`	`742`	`if err != nil {`
`743`	`743`	`return err`
`744`	`744`	`}`
`745`	`745`
`746`		`- // Widths, required except for standard 14 fonts. since 1.5 always required, array of numbers`
	`746`	`+ // Widths, required except for standard 14 fonts. since 2.0 always required, array of numbers`
`747`	`747`	`_, err = validateNumberArrayEntry(xRefTable, d, dictName, "Widths", required, model.V10, nil)`
`748`	`748`	`if err != nil {`
`749`	`749`	`return err`
`750`	`750`	`}`
`751`	`751`
`752`		`- // FontDescriptor, required since version 1.5; required unless standard font for version < 1.5, dict`
	`752`	`+ // FontDescriptor, required since version 2.0; required unless standard font for version <= 1.7, dict`
`753`	`753`	`err = validateFontDescriptor(xRefTable, d, dictName, "Type1", required, model.V10)`
`754`	`754`	`if err != nil {`
`755`	`755`	`return err`