Class tfontcache

Unit

msefontcache

Declaration

type tfontcache = class(thashdatalist)

Description

Hierarchy

• TObject
• thashdatalist
• tfontcache

Overview

Methods

	function hashkey(const akey): hashvaluety; override;
	function checkkey(const akey; const aitem: phashdataty): boolean; override;
	procedure finalizeitem(const aitem: phashdataty); override;
	function find(const afont: fontdataty): pfontcachehashdataty;
	procedure internalfreefont(const afont: ptruint); virtual;
	function internalgetfont(const ainfo: getfontinfoty; out aheight: integer): boolean; virtual; abstract;
	procedure updatefontinfo(const adataoffset: hashoffsetty; var adata: fontcachedataty); virtual; abstract;
	function getdataoffsfont(const afont: fontty): hashoffsetty; virtual; abstract;
	function getrecordsize(): int32 override;
	constructor create(var ainstance: tfontcache);
	procedure getfont(var drawinfo: drawinfoty);
	procedure freefontdata(var drawinfo: drawinfoty);
	procedure gettext16width(var drawinfo: drawinfoty); virtual; abstract;
	procedure getchar16widths(var drawinfo: drawinfoty); virtual; abstract;
	procedure getfontmetrics(var drawinfo: drawinfoty); virtual; abstract;
	procedure drawstring16(var drawinfo: drawinfoty; const afont: fontty); virtual; abstract;

Description

Methods

	function hashkey(const akey): hashvaluety; override;

	function checkkey(const akey; const aitem: phashdataty): boolean; override;

	procedure finalizeitem(const aitem: phashdataty); override;

	function find(const afont: fontdataty): pfontcachehashdataty;

	procedure internalfreefont(const afont: ptruint); virtual;

	function internalgetfont(const ainfo: getfontinfoty; out aheight: integer): boolean; virtual; abstract;

	procedure updatefontinfo(const adataoffset: hashoffsetty; var adata: fontcachedataty); virtual; abstract;

	function getdataoffsfont(const afont: fontty): hashoffsetty; virtual; abstract;

	function getrecordsize(): int32 override;

	constructor create(var ainstance: tfontcache);

	procedure getfont(var drawinfo: drawinfoty);

	procedure freefontdata(var drawinfo: drawinfoty);

	procedure gettext16width(var drawinfo: drawinfoty); virtual; abstract;

	procedure getchar16widths(var drawinfo: drawinfoty); virtual; abstract;

	procedure getfontmetrics(var drawinfo: drawinfoty); virtual; abstract;

	procedure drawstring16(var drawinfo: drawinfoty; const afont: fontty); virtual; abstract;