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# FreeType-2.3.9 API Reference

# BDF and PCF Files

## Synopsis

| FT_PropertyType |  | BDF_PropertyRec |  | FT_Get_BDF_Property
| BDF_Property |  | FT_Get_BDF_Charset_ID |  |

This section contains the declaration of functions specific to BDF and PCF fonts.

#### FT_PropertyType
Defined in FT_BDF_H (freetype/ftbdf.h).
      typedef enum  BDF_PropertyType_
      {
        BDF_PROPERTY_TYPE_NONE     = 0,
        BDF_PROPERTY_TYPE_ATOM     = 1,
        BDF_PROPERTY_TYPE_INTEGER  = 2,
        BDF_PROPERTY_TYPE_CARDINAL = 3

      } BDF_PropertyType;
A list of BDF property types.
values
BDF_PROPERTY_TYPE_NONE | Value 0 is used to indicate a missing property.
BDF_PROPERTY_TYPE_ATOM | Property is a string atom.
BDF_PROPERTY_TYPE_INTEGER
| Property is a 32-bit signed integer.
BDF_PROPERTY_TYPE_CARDINAL
| Property is a 32-bit unsigned integer.

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#### BDF_Property
A handle to a BDF_PropertyRec structure to model a given BDF/PCF property.

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#### BDF_PropertyRec
Defined in FT_BDF_H (freetype/ftbdf.h).
      typedef struct  BDF_PropertyRec_
      {
        BDF_PropertyType  type;
        union {
          const char*     atom;
          FT_Int32        integer;
          FT_UInt32       cardinal;

        } u;

      } BDF_PropertyRec;
This structure models a given BDF/PCF property.
fields
type | The property type.
u.atom | The atom string, if type is BDF_PROPERTY_TYPE_ATOM.
u.integer | A signed integer, if type is BDF_PROPERTY_TYPE_INTEGER.
u.cardinal | An unsigned integer, if type is BDF_PROPERTY_TYPE_CARDINAL.

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#### FT_Get_BDF_Charset_ID
Defined in FT_BDF_H (freetype/ftbdf.h).
      FT_EXPORT( FT_Error )
      FT_Get_BDF_Charset_ID( FT_Face       face,
                             const char*  *acharset_encoding,
                             const char*  *acharset_registry );
Retrieve a BDF font character set identity, according to the BDF specification.
input
face | A handle to the input face.
output
acharset_encoding | Charset encoding, as a C string, owned by the face.
acharset_registry | Charset registry, as a C string, owned by the face.
return
FreeType error code. 0 means success.
note
This function only works with BDF faces, returning an error otherwise.

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#### FT_Get_BDF_Property
Defined in FT_BDF_H (freetype/ftbdf.h).
      FT_EXPORT( FT_Error )
      FT_Get_BDF_Property( FT_Face           face,
                           const char*       prop_name,
                           BDF_PropertyRec  *aproperty );
Retrieve a BDF property from a BDF or PCF font file.
input
face | A handle to the input face.
name | The property name.
output
aproperty | The property.
return
FreeType error code. 0 means success.
note
This function works with BDF and PCF fonts. It returns an error otherwise. It also returns an error if the property is not in the font. A ‘property’ is a either key-value pair within the STARTPROPERTIES ... ENDPROPERTIES block of a BDF font or a key-value pair from the ‘info->props’ array within a ‘FontRec’ structure of a PCF font. Integer properties are always stored as ‘signed’ within PCF fonts; consequently, BDF_PROPERTY_TYPE_CARDINAL is a possible return value for BDF fonts only. In case of error, ‘aproperty->type’ is always set to BDF_PROPERTY_TYPE_NONE.

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