Class: FontCache

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:60

Constructors

new FontCache()

new FontCache(): FontCache

Returns

FontCache

Accessors

globalFontMeasureCache

Get Signature

get static globalFontMeasureCache(): Map<string, Map<string, IMeasureTextCache>>

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:69

Returns

Map<string, Map<string, IMeasureTextCache>>

Methods

autoCleanFontMeasureCache()

static autoCleanFontMeasureCache(cacheLimit): boolean

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:104

Parameters

Parameter	Type	Default value
`cacheLimit`	`number`	`1000000`

Returns

boolean

clearFontMeasureCache()

static clearFontMeasureCache(path): boolean

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:84

Parameters

Parameter	Type
`path`	`string`

Returns

boolean

getBaselineOffsetInfo()

static getBaselineOffsetInfo(fontFamily, fontSize): {
  sbo: number;
  sbr: number;
  spo: number;
  spr: number;
}

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:140

Parameters

Parameter	Type
`fontFamily`	`string`
`fontSize`	`number`

Returns

{
  sbo: number;
  sbr: number;
  spo: number;
  spr: number;
}

Name	Type	Default value	Defined in
`sbo`	`number`	fontSize	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:34
`sbr`	`number`	0.6	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:33
`spo`	`number`	fontSize	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:36
`spr`	`number`	0.6	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:35

getBBoxFromGlyphInfo()

static getBBoxFromGlyphInfo(glyphInfo, fontStyle): {
  aba: number;
  abd: number;
  ba: number;
  bd: number;
  sbo: number;
  sbr: number;
  sp: number;
  spo: number;
  spr: number;
  width: number;
}

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:204

Parameters

Parameter	Type
`glyphInfo`	`IOpenTypeGlyphInfo`
`fontStyle`	`IDocumentSkeletonFontStyle`

Returns

{
  aba: number;
  abd: number;
  ba: number;
  bd: number;
  sbo: number;
  sbr: number;
  sp: number;
  spo: number;
  spr: number;
  width: number;
}

Name	Type	Default value	Defined in
`aba`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:378
`abd`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:379
`ba`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:376
`bd`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:377
`sbo`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:384
`sbr`	`number`	0.6	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:381
`sp`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:380
`spo`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:385
`spr`	`number`	0.6	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:382
`width`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:375

getFontMeasureCache()

static getFontMeasureCache(fontStyle, content): Nullable<IMeasureTextCache>

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:99

Parameters

Parameter	Type
`fontStyle`	`string`
`content`	`string`

Returns

Nullable<IMeasureTextCache>

getMeasureText()

static getMeasureText(content, fontString): IMeasureTextCache

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:223

Parameters

Parameter	Type
`content`	`string`
`fontString`	`string`

Returns

IMeasureTextCache

getTextSize()

static getTextSize(content, fontStyle): IDocumentSkeletonBoundingBox

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:188

Parameters

Parameter	Type
`content`	`string`
`fontStyle`	`IDocumentSkeletonFontStyle`

Returns

IDocumentSkeletonBoundingBox

getTextSizeByDom()

static getTextSizeByDom(text, fontStyle): {
  height: number;
  width: number;
}

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:166

Parameters

Parameter	Type
`text`	`string`
`fontStyle`	`string`

Returns

{
  height: number;
  width: number;
}

Name	Type	Defined in
`height`	`number`	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:61
`width`	`number`	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:61

setFontMeasureCache()

static setFontMeasureCache(
   fontStyle, 
   content, 
   tm): void

Defined in: packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:73

Parameters

Parameter	Type
`fontStyle`	`string`
`content`	`string`
`tm`	`IMeasureTextCache`

Returns

void

Font Group