"use strict"; const Glyph = require("./glyph"); const autoRef = require("./autoref"); const caryllShapeOps = require("caryll-shapeops"); const curveUtil = require("./curve-util"); const { fairifyQuad } = require("./fairify"); const Transform = require("./transform"); function regulateGlyph(g, skew) { if (!g.contours) return; // Regulate for (let k = 0; k < g.contours.length; k++) { const contour = g.contours[k]; for (let p = 0; p < contour.length; p++) { contour[p].x += contour[p].y * skew; } } g.contours = simplifyContours(g.contours); for (let k = 0; k < g.contours.length; k++) { const contour = g.contours[k]; for (let p = 0; p < contour.length; p++) { contour[p].x -= contour[p].y * skew; } } } function simplifyContours(contours) { const gizmo = Transform.Id(); const source = []; for (const contour of contours) { if (contour.length > 2) source.push(curveUtil.convertContourToCubic(contour)); } const simplified = caryllShapeOps.removeOverlap(source, 1, 1 << 17, true); const result = []; for (const contour of simplified) { if (contour.length <= 2) continue; result.push(curveUtil.cleanupQuadContour(fairifyQuad(contour, gizmo))); } return result; } function byGlyphPriority(a, b) { const pri1 = a.cmpPriority || 0; const pri2 = b.cmpPriority || 0; if (pri1 > pri2) return -1; if (pri1 < pri2) return 1; if (a.contours && b.contours && a.contours.length < b.contours.length) return 1; if (a.contours && b.contours && a.contours.length > b.contours.length) return -1; if (a.advanceWidth < b.advanceWidth) return -1; if (a.advanceWidth > b.advanceWidth) return 1; if ((a.unicode && a.unicode[0] && !b.unicode) || !b.unicode[0]) return -1; if ((b.unicode && b.unicode[0] && !a.unicode) || !a.unicode[0]) return +1; if (a.unicode && a.unicode[0] && b.unicode && b.unicode[0] && a.unicode[0] < b.unicode[0]) return -1; if (a.unicode && a.unicode[0] && b.unicode && b.unicode[0] && a.unicode[0] > b.unicode[0]) return +1; return a.name < b.name ? -1 : a.name > b.name ? 1 : 0; } module.exports = function (gs, skew) { const excludeUnicode = new Set(); excludeUnicode.add(0x80); for (let c = 0x2500; c <= 0x259f; c++) excludeUnicode.add(c); // autoref gs = gs.map((g, j) => ((g.glyphOrder = j), g)).sort(byGlyphPriority); autoRef(gs, excludeUnicode); // regulate for (let g of gs) regulateGlyph(g, skew); // reorder return gs.sort((a, b) => a.glyphOrder - b.glyphOrder); };