Font engine > OpenType font format

TOTFFont = class
public
   OffsetTable: TOTFOffsetTable;
   CMAPTable: TOTFCMAPTable;
   FontHeader: TOTFFontHeaderTable;
   HHeader: TOTFHHeaderTable;
   MaxProfile: TOTFMaxProfileTable;
   Names: TOTFNameTable;
   HMetrics: TOTFHMetricsTable;
   OS2: TOTFOS2Table;
   PostScript: TOTFPostScriptTable;
   LocaTable: TOTFLocaTable;
   GlyphTable: TOTFGlyphTable;
   GPOS: TOTFGPOSTable;
   GSUB: TOTFGSUBTable;
   Kern: TOTFKerningTable;
   CFFData: TBytes;
   TableRecs: array of TOTFTableRec;
   Name: string;
   class function NormalizeFont(const FontData: TBytes; AFont: THtBaseFont): TBytes;
   class function NormalizeHeader(const FontData: TBytes): TBytes;
   class function WofftoOTF(const FontData: TBytes; const FontName: string = ''): TBytes;
   constructor Create;
   destructor Destroy; override;
   procedure LoadfromStream(ST: TStream);
   procedure LoadfromFile(const AFileName: string);
   procedure DeleteTablebyType(Tag: cardinal);
   procedure Assign(ASource: TCFFFont);
   procedure SavetoStream(ST: TStream);
   procedure SavetoWOFFStream(ST: TStream);
   procedure LoadfromWOFFStream(ST: TStream);
   procedure LoadfromWOFFFile(const AFileName: string);
   procedure SavetoFile(const AFileName: string);
   procedure SavetoWOFFFile(const AFileName: string);
   function AsFontFace(const AFamilyName: string): string;
   procedure SavetoSVG(const FileName: string);
   function GetGlyphName(GID: integer): string;
   function GetGlyphs(const s: hstring): TWordDynArray;
   function CreateLayout(const Text: hstring; const FontSize: single; out Layout: THtLayout): boolean;
   procedure PrepareLayout(var Layout: THtLayout);
   procedure GetGlyphPlacement(var Layout: THtLayout);
   function MeasureString(const Text: hstring; const FontSize: single): single;
   function Ascent(const FontSize: single): single;
   function Descent(const FontSize: single): single;
   function Underline(const FontSize: single): single;
   property Tables[Index: integer]: TOTFTable read GetTable;
   property TableCount: integer read GetTableCount;
   property IsTTF: boolean read GetIsTTF write SetIsTTF;
   ///<summary> Returns font as set of SVG images</summary>
   property AsSVG: string read GetSVG; end;

OffsetTable, CMAPTable, FontHeader, HHeader, MaxProfile, Names, HMetrics, OS2, PostScript, LocaTable, GlyphTable, GPOS, GSUB, Kern

Font tables (may be nil).

CFFData

Font data when font is in CFF format

TableRecs

Font table records

Name

Font name

NormalizeFont

Add necessary tables and encodings to font.

NormalizeHeader

Calculate font header fields

WofftoOTF

Convert WOFF font to OTF font.

LoadfromStream

Load OTF from stream

LoadfromFile

Load OTF from file

DeleteTablebyType

Delete font table by table type

Assign

Load from CFF font.

SavetoStream

Save to OTF stream

SavetoWOFFStream

Save to WOFF stream

LoadfromWOFFStream

Load from WOFF stream

LoadfromWOFFFile

Load from WOFF file

SavetoFile

Save to OTF file

SavetoWOFFFile

Save to WOFF file

AsFontFace

Get base64 encoded string for embedding into HTML

SavetoSVG

Save all glyphs as SVG

GetGlyphName

Postscript glyph name

GetGlyphs

Get glyph IDs for string

CreateLayout

Create new layout object, set glyph IDs and set properties to default values

PrepareLayout

Process glyph substitutions, position adjustment and kerning (GPOS, GSUB and KERN tables)

GetGlyphPlacement

Set glyph widths

MeasureString

Measure string width

Ascent

Font ascent value

Descent

Font descent valie

Underline

Underline position (from top)

Table

Font tables by index

TableCount

Font table count

IsTTF

Font oulines type: TTF or CFF

AsSVG

Get font glyphs as SVG string.