modern-pdf-lib

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modern-pdf-lib / FontRef

Interface: FontRef

Defined in: src/core/pdfPage.ts:438

Opaque handle for a font that has been embedded in the document.

Properties

name

readonly name: string

Defined in: src/core/pdfPage.ts:440

Resource name used in content-stream operators (e.g. F1).

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ref

readonly ref: PdfRef

Defined in: src/core/pdfPage.ts:442

Indirect reference to the font dictionary.

Methods

getCharacterSet()?

optional getCharacterSet(): number[]

Defined in: src/core/pdfPage.ts:481

Return the set of Unicode codepoints supported by this font.

For standard fonts, returns the WinAnsi character set. For embedded fonts, returns all codepoints in the cmap table.

Returns

number[]

Array of Unicode codepoint numbers.

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heightAtSize()

heightAtSize(size): number

Defined in: src/core/pdfPage.ts:452

Compute the height of the font at the given size (ascender - descender). Available for both standard and TrueType fonts.

Parameters

size

number

Returns

number

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sizeAtHeight()?

optional sizeAtHeight(height): number

Defined in: src/core/pdfPage.ts:472

Compute the font size needed to achieve a given height (ascender - descender). This is the inverse of heightAtSize().

Parameters

height

number

Desired height in points.

Returns

number

Font size in points.

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widthOfTextAtSize()

widthOfTextAtSize(text, size): number

Defined in: src/core/pdfPage.ts:447

Compute the width of a text string at the given font size (in points). Available for both standard and TrueType fonts.

Parameters

text

string

size

number

Returns

number