update code style for geo classes
This commit is contained in:
Stewart Allen
parent
a51af1d4c6
commit
7b8a5be1c5
11 changed files with 2777 additions and 3147 deletions
354
src/geo/wasm.js
354
src/geo/wasm.js
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@ -5,202 +5,202 @@
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// only active in workers
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if (!self.window) (function() {
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if (!self.geo) self.geo = {
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enable,
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disable,
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count: {
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offset: 0,
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union: 0,
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diff: 0
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}
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};
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const factor = self.base.config.clipper;
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const geo = self.geo;
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function log() {
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console.log(...arguments);
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if (!self.geo) self.geo = {
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enable,
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disable,
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count: {
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offset: 0,
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union: 0,
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diff: 0
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}
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};
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function writePolys(view, polys) {
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let pcount = 0;
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for (let poly of polys) {
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pcount += writePoly(view, poly);
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}
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return pcount;
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const factor = self.base.config.clipper;
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const geo = self.geo;
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function log() {
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console.log(...arguments);
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}
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function writePolys(view, polys) {
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let pcount = 0;
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for (let poly of polys) {
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pcount += writePoly(view, poly);
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}
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return pcount;
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}
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function writePoly(view, poly, inner) {
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if (inner) {
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poly.setCounterClockwise();
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function writePoly(view, poly, inner) {
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if (inner) {
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poly.setCounterClockwise();
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} else {
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poly.setClockwise();
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}
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let count = 1;
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let points = poly.points;
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let inners = poly.inner;
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view.writeU16(points.length, true);
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for (let i=0, il=points.length; i<il; i++) {
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let point = points[i];
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view.writeI32((point.x * factor)|0, true);
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view.writeI32((point.y * factor)|0, true);
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}
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if (inners) {
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for (let i=0, il=inners.length; i<il; i++) {
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count += writePoly(view, inners[i], true);
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}
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}
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return count;
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}
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function readPoly(view, z) {
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let points = view.readU16(true);
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if (points === 0) return;
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let poly = self.base.newPolygon();
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while (points-- > 0) {
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poly.add(view.readI32(true)/factor, view.readI32(true)/factor, z || 0);
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}
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return poly;
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}
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function readPolys(view, z, out = []) {
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for (;;) {
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let poly = readPoly(view, z);
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if (poly) {
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out.push(poly);
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} else {
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poly.setClockwise();
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break;
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}
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let count = 1;
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let points = poly.points;
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let inners = poly.inner;
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view.writeU16(points.length, true);
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for (let i=0, il=points.length; i<il; i++) {
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let point = points[i];
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view.writeI32((point.x * factor)|0, true);
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view.writeI32((point.y * factor)|0, true);
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}
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if (inners) {
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for (let i=0, il=inners.length; i<il; i++) {
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count += writePoly(view, inners[i], true);
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}
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}
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return count;
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}
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return out;
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}
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function readPoly(view, z) {
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let points = view.readU16(true);
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if (points === 0) return;
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let poly = self.base.newPolygon();
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while (points-- > 0) {
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poly.add(view.readI32(true)/factor, view.readI32(true)/factor, z || 0);
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}
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return poly;
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function polyOffset(polys, offset, z, clean, simple) {
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geo.count.offset++;
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let wasm = geo.wasm,
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buffer = geo.wasm.shared,
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pcount = writePolys(new DataWriter(wasm.heap, buffer), polys),
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resat = wasm.fn.offset(buffer, pcount, offset * factor, clean, simple),
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out = readPolys(new DataReader(wasm.heap, resat), z);
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return polyNest(out);
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}
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function polyUnion(polys, z) {
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geo.count.union++;
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let wasm = geo.wasm,
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buffer = geo.wasm.shared,
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pcount = writePolys(new DataWriter(wasm.heap, buffer), polys),
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resat = wasm.fn.union(buffer, pcount),
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out = readPolys(new DataReader(wasm.heap, resat), z);
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return polyNest(out);
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}
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function polyDiff(polysA, polysB, z, AB, BA) {
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geo.count.diff++;
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let wasm = geo.wasm,
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buffer = geo.wasm.shared,
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writer = new DataWriter(wasm.heap, buffer),
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pcountA = writePolys(writer, polysA),
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pcountB = writePolys(writer, polysB),
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resat = wasm.fn.diff(buffer, pcountA, pcountB, AB?1:0, BA?1:0, base.config.clipperClean),
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reader = new DataReader(wasm.heap, resat);
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if (AB) {
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AB.appendAll(polyNest(readPolys(reader, z)));
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}
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if (BA) {
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BA.appendAll(polyNest(readPolys(reader, z)));
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}
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}
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function readPolys(view, z, out = []) {
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for (;;) {
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let poly = readPoly(view, z);
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if (poly) {
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out.push(poly);
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} else {
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// nest closed polygons without existing parent / child relationships
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function polyNest(polys) {
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polys.sort((a,b) => {
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return b.bounds.minx - a.bounds.minx;
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});
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// from smallest to largest, check for enclosing bounds and nest
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for (let i=0, il=polys.length; i<il; i++) {
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let smaller = polys[i];
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// prevent parent poly from being consumed
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if (smaller.inner) continue;
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for (let j=i+1; j<il; j++) {
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let larger = polys[j];
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if (larger.bounds.contains(smaller.bounds)) {
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larger.addInner(smaller);
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break;
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}
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}
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return out;
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}
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function polyOffset(polys, offset, z, clean, simple) {
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geo.count.offset++;
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let wasm = geo.wasm,
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buffer = geo.wasm.shared,
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pcount = writePolys(new DataWriter(wasm.heap, buffer), polys),
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resat = wasm.fn.offset(buffer, pcount, offset * factor, clean, simple),
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out = readPolys(new DataReader(wasm.heap, resat), z);
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return polyNest(out);
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}
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function polyUnion(polys, z) {
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geo.count.union++;
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let wasm = geo.wasm,
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buffer = geo.wasm.shared,
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pcount = writePolys(new DataWriter(wasm.heap, buffer), polys),
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resat = wasm.fn.union(buffer, pcount),
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out = readPolys(new DataReader(wasm.heap, resat), z);
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return polyNest(out);
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}
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function polyDiff(polysA, polysB, z, AB, BA) {
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geo.count.diff++;
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let wasm = geo.wasm,
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buffer = geo.wasm.shared,
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writer = new DataWriter(wasm.heap, buffer),
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pcountA = writePolys(writer, polysA),
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pcountB = writePolys(writer, polysB),
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resat = wasm.fn.diff(buffer, pcountA, pcountB, AB?1:0, BA?1:0, base.config.clipperClean),
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reader = new DataReader(wasm.heap, resat);
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if (AB) {
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AB.appendAll(polyNest(readPolys(reader, z)));
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}
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if (BA) {
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BA.appendAll(polyNest(readPolys(reader, z)));
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let tops = [];
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for (let i=0, il=polys.length; i<il; i++) {
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let poly = polys[i];
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if (!poly.parent) {
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tops.push(poly);
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}
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}
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return tops;
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}
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// nest closed polygons without existing parent / child relationships
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function polyNest(polys) {
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polys.sort((a,b) => {
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return b.bounds.minx - a.bounds.minx;
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function readString(pos, len) {
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let view = new DataReader(geo.wasm.heap, pos);
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let out = [];
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while (len-- > 0) {
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out.push(String.fromCharCode(view.readU8()));
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}
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return out.join('');
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}
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function enable() {
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if (geo.wasm || geo._wasm) {
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return;
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}
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geo._wasm = 'loading';
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fetch('/wasm/kiri-geo.wasm')
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.then(response => response.arrayBuffer())
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.then(bytes => WebAssembly.instantiate(bytes, {
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env: {
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debug_string: (len, ptr) => { console.log('wasm', readString(ptr, len)) }
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},
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wasi_snapshot_preview1: {
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// args_get: (count,bufsize) => { return 0 },
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// args_sizes_get: (count,bufsize) => { },
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// environ_get: (count,bufsize) => { return 0 },
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// environ_sizes_get: (count,bufsize) => { },
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proc_exit: (code) => { return code }
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}
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}))
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.then(results => {
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// console.log({enabled: geo.wasm});
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delete geo._wasm;
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let { module, instance } = results;
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let { exports } = instance;
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let heap = new DataView(exports.memory.buffer);
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let wasm = geo.wasm = {
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heap,
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exports,
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memory: exports.memory,
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memmax: exports.memory.buffer.byteLength,
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malloc: exports.mem_get,
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free: exports.mem_clr
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};
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wasm.shared = wasm.malloc(1024 * 1024 * 30),
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wasm.fn = {
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diff: exports.poly_diff,
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union: exports.poly_union,
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offset: exports.poly_offset
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};
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wasm.js = {
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diff: polyDiff,
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union: polyUnion,
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offset: polyOffset
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};
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});
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// from smallest to largest, check for enclosing bounds and nest
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for (let i=0, il=polys.length; i<il; i++) {
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let smaller = polys[i];
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// prevent parent poly from being consumed
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if (smaller.inner) continue;
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for (let j=i+1; j<il; j++) {
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let larger = polys[j];
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if (larger.bounds.contains(smaller.bounds)) {
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larger.addInner(smaller);
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break;
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}
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}
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}
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let tops = [];
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for (let i=0, il=polys.length; i<il; i++) {
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let poly = polys[i];
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if (!poly.parent) {
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tops.push(poly);
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}
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}
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return tops;
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}
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}
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function readString(pos, len) {
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let view = new DataReader(geo.wasm.heap, pos);
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let out = [];
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while (len-- > 0) {
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out.push(String.fromCharCode(view.readU8()));
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}
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return out.join('');
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}
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function enable() {
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if (geo.wasm || geo._wasm) {
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return;
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}
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geo._wasm = 'loading';
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fetch('/wasm/kiri-geo.wasm')
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.then(response => response.arrayBuffer())
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.then(bytes => WebAssembly.instantiate(bytes, {
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env: {
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debug_string: (len, ptr) => { console.log('wasm', readString(ptr, len)) }
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},
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wasi_snapshot_preview1: {
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// args_get: (count,bufsize) => { return 0 },
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// args_sizes_get: (count,bufsize) => { },
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// environ_get: (count,bufsize) => { return 0 },
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// environ_sizes_get: (count,bufsize) => { },
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proc_exit: (code) => { return code }
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}
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}))
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.then(results => {
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// console.log({enabled: geo.wasm});
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delete geo._wasm;
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let { module, instance } = results;
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let { exports } = instance;
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let heap = new DataView(exports.memory.buffer);
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let wasm = geo.wasm = {
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heap,
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exports,
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memory: exports.memory,
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memmax: exports.memory.buffer.byteLength,
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malloc: exports.mem_get,
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free: exports.mem_clr
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};
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wasm.shared = wasm.malloc(1024 * 1024 * 30),
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wasm.fn = {
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diff: exports.poly_diff,
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union: exports.poly_union,
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offset: exports.poly_offset
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};
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wasm.js = {
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diff: polyDiff,
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union: polyUnion,
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offset: polyOffset
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};
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});
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}
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function disable() {
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if (geo.wasm) {
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delete geo.wasm;
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// console.log({disabled: geo});
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}
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function disable() {
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if (geo.wasm) {
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delete geo.wasm;
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// console.log({disabled: geo});
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}
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}
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})();
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