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129 lines
3.3 KiB
TypeScript
129 lines
3.3 KiB
TypeScript
import {
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FontFamilyCodeIcon,
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FontFamilyHeadingIcon,
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FontFamilyNormalIcon,
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FreedrawIcon,
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} from "../components/icons";
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import { FONT_FAMILY } from "../constants";
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/**
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* Encapsulates font metrics with additional font metadata.
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* */
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export interface FontMetadata {
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/** for head & hhea metrics read the woff2 with https://fontdrop.info/ */
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metrics: {
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/** head.unitsPerEm metric */
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unitsPerEm: 1000 | 1024 | 2048;
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/** hhea.ascender metric */
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ascender: number;
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/** hhea.descender metric */
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descender: number;
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/** harcoded unitless line-height, https://github.com/excalidraw/excalidraw/pull/6360#issuecomment-1477635971 */
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lineHeight: number;
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};
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/** element to be displayed as an icon */
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icon: JSX.Element;
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/** flag to indicate a deprecated font */
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deprecated?: true;
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/** flag to indicate a server-side only font */
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serverSide?: true;
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/** flag to indiccate a local-only font */
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local?: true;
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}
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export const FONT_METADATA: Record<number, FontMetadata> = {
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[FONT_FAMILY.Excalifont]: {
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metrics: {
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unitsPerEm: 1000,
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ascender: 886,
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descender: -374,
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lineHeight: 1.25,
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},
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icon: FreedrawIcon,
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},
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[FONT_FAMILY.Nunito]: {
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metrics: {
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unitsPerEm: 1000,
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ascender: 1011,
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descender: -353,
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lineHeight: 1.35,
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},
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icon: FontFamilyNormalIcon,
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},
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[FONT_FAMILY["Lilita One"]]: {
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metrics: {
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unitsPerEm: 1000,
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ascender: 923,
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descender: -220,
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lineHeight: 1.15,
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},
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icon: FontFamilyHeadingIcon,
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},
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[FONT_FAMILY["Comic Shanns"]]: {
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metrics: {
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unitsPerEm: 1000,
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ascender: 750,
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descender: -250,
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lineHeight: 1.25,
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},
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icon: FontFamilyCodeIcon,
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},
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[FONT_FAMILY.Virgil]: {
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metrics: {
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unitsPerEm: 1000,
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ascender: 886,
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descender: -374,
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lineHeight: 1.25,
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},
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icon: FreedrawIcon,
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deprecated: true,
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},
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[FONT_FAMILY.Helvetica]: {
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metrics: {
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unitsPerEm: 2048,
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ascender: 1577,
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descender: -471,
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lineHeight: 1.15,
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},
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icon: FontFamilyNormalIcon,
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deprecated: true,
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local: true,
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},
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[FONT_FAMILY.Cascadia]: {
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metrics: {
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unitsPerEm: 2048,
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ascender: 1900,
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descender: -480,
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lineHeight: 1.2,
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},
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icon: FontFamilyCodeIcon,
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deprecated: true,
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},
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[FONT_FAMILY["Liberation Sans"]]: {
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metrics: {
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unitsPerEm: 2048,
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ascender: 1854,
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descender: -434,
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lineHeight: 1.15,
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},
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icon: FontFamilyNormalIcon,
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serverSide: true,
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},
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};
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/** Unicode ranges */
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export const RANGES = {
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LATIN:
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"U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD",
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LATIN_EXT:
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"U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF",
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CYRILIC_EXT:
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"U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F",
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CYRILIC: "U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116",
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VIETNAMESE:
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"U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB",
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};
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/** local protocol to skip the local font from registering or inlining */
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export const LOCAL_FONT_PROTOCOL = "local:";
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