X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Flibclo%2Findex.ts;h=53b837c63572ddbc503bb4f69d3ba0fe581364c7;hb=a4f79a3761539f45ac7d86fe919bdc32cf290db0;hp=917cf68afbb1f8061105241b729ee808e85ea543;hpb=c3dc58d74afa6b298d84bad90d63c027a32a954a;p=clo diff --git a/src/libclo/index.ts b/src/libclo/index.ts index 917cf68..53b837c 100644 --- a/src/libclo/index.ts +++ b/src/libclo/index.ts @@ -1,7 +1,10 @@ -import { isKeyObject, isStringObject } from "util/types"; +import { isBoxedPrimitive, isKeyObject, isStringObject } from "util/types"; import {tkTree} from "../parser"; -import {FontStyle, TextStyle, TextWeight} from "../canva"; +import {FontStyle, TextStyle, TextWeight, fontStyleTofont} from "../canva"; import { JSDOM } from "jsdom"; +import * as fontkit from "fontkit"; +import * as util from "node:util"; +import * as breakLines from "./breakLines"; /** * TYPES @@ -20,6 +23,21 @@ export enum Direction{ BTT, } +/** + * Horizonal glue. + * - stretchFactor : the stretch factor in float + */ +export interface HGlue{ + stretchFactor: number +} + +export interface BreakPoint{ + original : BoxesItem, + newLined : BoxesItem +} + +export type BoxesItem = HGlue | Box | BreakPoint | BoxesItem[] ; + /** * frame box is a subclass of box * - directionInsideLine : text direction inside a line @@ -30,13 +48,21 @@ export interface FrameBox extends Box{ baseLineskip : number | null, } +export interface CharBox extends Box{ + minX: number, + maxX: number, + minY: number, + maxY: number, + +} + /** * a basic Box * - x : * - y : * - textStyle : * - direction : - * - width : + * - width : x_advance * - content : */ export interface Box{ @@ -188,7 +214,8 @@ export function spacesToBreakpoint(arr : tkTree, clo : Clo) : tkTree{ for (let i = 0; i < arr.length; i++){ var item = arr[i]; if (!Array.isArray(item) && item.match(spacePattern)){ - result.push([ 'bp', item, "" ]); // push a newline command to the result `tkTree` + // push a breakpoint command to the result `tkTree` + result.push([ 'bp', [["hglue", "0.1"], item] , "" ]); } else{ result.push(item); @@ -257,45 +284,92 @@ export function hyphenTkTree(arr : tkTree, lang: string) : tkTree{ * @param preprocessed * @param defaultFontStyle */ -export function calculateTextWidthHeight(preprocessed : tkTree, style : TextStyle): void { - var dom = new JSDOM(` - `); +export async function calculateTextWidthHeight(element : tkTree, style : TextStyle): Promise { + var res = []; - try { - let canvas = dom.window.document.getElementById("canvas"); - console.log(canvas); - - /*if (!(canvas instanceof HTMLElement)){ - throw new Error('the in the jsdom\'s DOM is not found.'); - - }*/ - - let context = (canvas).getContext("2d"); - console.log(context); - if (context == null){ - throw new Error('`canvas.getContext("2d");` can\'t be executed.'); - - } + for (var i=0; i { + var result : BoxesItem = []; + + let fontPair = fontStyleTofont(style); + if (fontPair.path.match(/\.ttc$/)){ + var font = await fontkit.openSync(fontPair.path, fontPair.psName); + } + else{ + var font = await fontkit.openSync(fontPair.path); + } + if (!Array.isArray(element)){ + var run = font.layout(element, undefined, undefined, undefined, "ltr"); + + + + for (var j=0;j