@univerjs/engine-render v0.5.0-beta.1 • Docs

Class: FontCache

Constructors

new FontCache()

new FontCache(): FontCache

Returns

FontCache

Accessors

globalFontMeasureCache

Get Signature

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

Returns

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

Methods

autoCleanFontMeasureCache()

static autoCleanFontMeasureCache(cacheLimit): boolean

Parameters

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

Returns

boolean

Defined in

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

clearFontMeasureCache()

static clearFontMeasureCache(path): boolean

Parameters

Parameter	Type
`path`	`string`

Returns

boolean

Defined in

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

getBaselineOffsetInfo()

static getBaselineOffsetInfo(fontFamily, fontSize): {
  sbo: fontSize;
  sbr: 0.6;
  spo: fontSize;
  spr: 0.6;
}

Parameters

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

Returns

{
  sbo: fontSize;
  sbr: 0.6;
  spo: fontSize;
  spr: 0.6;
}

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

Defined in

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

getBBoxFromGlyphInfo()

static getBBoxFromGlyphInfo(glyphInfo, fontStyle): {
  aba: number;
  abd: number;
  ba: number;
  bd: number;
  sbo: number;
  sbr: 0.6;
  sp: number;
  spo: number;
  spr: 0.6;
  width: number;
}

Parameters

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

Returns

{
  aba: number;
  abd: number;
  ba: number;
  bd: number;
  sbo: number;
  sbr: 0.6;
  sp: number;
  spo: number;
  spr: 0.6;
  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:370
`abd`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:371
`ba`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:368
`bd`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:369
`sbo`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:376
`sbr`	`number`	0.6	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:373
`sp`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:372
`spo`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:377
`spr`	`number`	0.6	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:374
`width`	`number`	-	packages/api/tmp/univer-pro/submodules/univer/packages/engine-render/src/components/docs/layout/shaping-engine/font-cache.ts:367

Defined in

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

getFontMeasureCache()

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

Parameters

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

Returns

Nullable<IMeasureTextCache>

Defined in

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

getMeasureText()

static getMeasureText(content, fontString): IMeasureTextCache

Parameters

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

Returns

IMeasureTextCache

Defined in

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

getTextSize()

static getTextSize(content, fontStyle): IDocumentSkeletonBoundingBox

Parameters

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

Returns

IDocumentSkeletonBoundingBox

Defined in

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

getTextSizeByDom()

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

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

Defined in

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

setFontMeasureCache()

static setFontMeasureCache(
   fontStyle, 
   content, 
   tm): void

Parameters

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

Returns

void

Defined in

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

Font Group