1292 lines
46 KiB
JavaScript
1292 lines
46 KiB
JavaScript
/** Copyright 2014-2019 Stewart Allen -- All Rights Reserved */
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"use strict";
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let gs_kiri_sla = exports;
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(function() {
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if (!self.kiri) self.kiri = { };
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if (!self.kiri.driver) self.kiri.driver = { };
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if (self.kiri.driver.SLA) return;
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let KIRI = self.kiri,
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BASE = self.base,
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DBUG = BASE.debug,
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UTIL = BASE.util,
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CONF = BASE.config,
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POLY = BASE.polygons,
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SLA = KIRI.driver.SLA = {
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slice,
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sliceRender,
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printSetup,
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printExport,
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printDownload,
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printRender
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},
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SLICER = KIRI.slicer,
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newTop = KIRI.newTop,
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newSlice = KIRI.newSlice,
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newPoint = BASE.newPoint,
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newPolygon = BASE.newPolygon,
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preview,
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previewSmall,
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previewLarge,
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fill_cache;
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/**
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* DRIVER SLICE CONTRACT - runs in worker
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*
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* @param {Object} settings
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* @param {Widget} Widget
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* @param {Function} onupdate (called with % complete and optional message)
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* @param {Function} ondone (called when complete with an array of Slice objects)
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*/
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function slice(settings, widget, onupdate, ondone) {
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let process = settings.process,
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device = settings.device,
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work_total,
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work_remain;
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if (!self.OffscreenCanvas) {
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return ondone("browser lacks support for OffscreenCanvas",true);
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}
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// calculate % complete and call onupdate()
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function doupdate(work, msg) {
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onupdate(0.25 + ((work_total - work_remain) / work_total) * 0.75, msg);
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work_remain -= work;
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}
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// for each slice, perform a function and call doupdate()
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function forSlices(slices, work, fn, msg) {
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slices.forEach(function(slice,index) {
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fn(slice,index);
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doupdate(work / slices.length, msg)
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});
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}
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let b64 = atob(currentSnap);
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let bin = Uint8Array.from(b64, c => c.charCodeAt(0));
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let img = new png.PNG().parse(bin, (err, data) => {
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preview = img;
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previewSmall = samplePNG(img, 200, 125);
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previewLarge = samplePNG(img, 400, 300);
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});
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let height = process.slaSlice || 0.05;
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SLICER.sliceWidget(widget, {
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height: height,
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add: !process.slaOpenTop
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}, function(slices) {
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// hold onto last (empty) slice
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let last = slices[slices.length-1];
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// remove empty slices
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slices = widget.slices = slices.filter(slice => slice.tops.length);
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if (!process.slaOpenTop) {
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// re-add last empty slice for open top
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slices.push(last);
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}
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// prepend raft layers to slices array
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if (process.slaSupportEnable && process.slaSupportLayers) {
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let layers = process.slaSupportLayers,
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zoff = height / 2,
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snew = [],
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polys = [],
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gap = process.slaSupportGap, // gap layers above raft
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grow = height, // union per layer expand
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off = 1 - (layers * grow); // starting union offset from part
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let outer = slices.forEach(slice => {
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// poly.clone prevents inner voids from forming
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polys.appendAll(slice.tops.map(t => t.poly.clone()));
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});
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// p.clone prevents inner voids from forming
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let union = POLY.union(polys).map(p => p.clone());
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let expand = POLY.expand(union, off, zoff, [], 1);
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let lastraft;
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for (let s=0; s<layers + gap; s++) {
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let slice = newSlice(zoff);
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slice.height = height;
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slice.index = snew.length;
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if (s < layers) {
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slice.synth = true;
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expand.forEach(u => {
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slice.tops.push(newTop(u.clone(true).setZ(zoff)));
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});
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expand = POLY.expand(expand, grow, zoff, [], 1);
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lastraft = slice;
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}
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snew.push(slice);
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zoff += height;
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}
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// compensate for midline start
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zoff -= height / 2;
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// replace slices with new appended array
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slices = widget.slices = snew.concat(slices.map(s => {
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s.tops.forEach(t => t.poly.setZ(s.z + zoff));
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s.index += snew.length;
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s.z += zoff;
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return s;
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}));
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// annotate widget for support generation
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widget.union = union;
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widget.lastraft = lastraft;
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}
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// re-connect slices into linked list for island/bridge projections
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for (let i=1; i<slices.length; i++) {
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slices[i-1].up = slices[i];
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slices[i].down = slices[i-1];
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}
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// reset for solids and support projections
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slices.forEach(function(slice) {
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slice.invalidateFill();
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slice.invalidateSolids();
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slice.invalidateSupports();
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slice.isSolidFill = false;
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});
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let solidLayers = Math.round(process.slaShell / process.slaSlice);
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work_total = [
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5, // shell
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10, // diff
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solidLayers ? 10 : 0, // shell project
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solidLayers ? 10 : 0, // shell fill
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!solidLayers ? 10 : 0, // solid
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process.slaFillDensity && process.slaShell ? 60 : 0, // infill
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process.slaSupportEnable && process.slaSupportLayers && process.slaSupportDensity ? 100 : 0
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].reduce((t,v) => { return t+v });
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work_remain = work_total;
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forSlices(slices, 5, (slice,index) => {
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if (process.slaShell) {
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slice.doShells(2, 0, process.slaShell);
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} else {
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slice.doShells(1, 0);
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}
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}, "slice");
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forSlices(slices, 10, (slice) => {
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if (slice.synth) return;
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slice.doDiff(0.00001, 0.005, !process.slaOpenBase);
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}, "delta");
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if (solidLayers) {
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forSlices(slices, 10, (slice) => {
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if (slice.synth) return;
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slice.projectFlats(solidLayers);
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slice.projectBridges(solidLayers);
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}, "project");
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forSlices(slices, 10, (slice) => {
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if (slice.synth) return;
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slice.doSolidsFill(undefined, undefined, 0.001);
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let traces = POLY.nest(POLY.flatten(slice.gatherTraces([])));
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let trims = slice.solids.trimmed || [];
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traces.appendAll(trims);
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let union = POLY.union(traces);
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slice.solids.unioned = union;
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}, "solid");
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} else {
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forSlices(slices, 10, (slice) => {
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if (slice.synth) return;
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slice.solids.unioned = slice.gatherTopPolys([]);
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}, "solid");
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}
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if (process.slaFillDensity && process.slaShell) {
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fill_cache = [];
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forSlices(slices, 60, (slice) => {
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if (slice.synth) return;
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fillPolys(slice, settings);
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}, "infill");
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}
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if (process.slaSupportEnable && process.slaSupportLayers && process.slaSupportDensity) {
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computeSupports(widget, process, progress => {
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doupdate(100 * progress, "support");
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});
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}
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ondone();
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}, function(update) {
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return onupdate(0.0 + update * 0.25);
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});
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};
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function computeSupports(widget, process, progress) {
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let area = widget.union.reduce((t,p) => { return t + p.areaDeep() }, 0),
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perim = widget.union.reduce((t,p) => { return t + p.perimeter() }, 0),
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slices = widget.slices,
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length = slices.length,
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tot_mass = 0, // total widget "mass"
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tot_bear = 0; // total "mass-bearing" area
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let ops = slices.filter(slice => !slice.synth);
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// compute total "mass" by slice
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ops.forEach(slice => {
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slice.mass = slice.solids.unioned.reduce((t,p) => { return t + p.areaDeep() }, 0);
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if (slice.up && slice.up.bridges) {
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slice.bear = slice.up.bridges.reduce((t,p) => { return t + p.areaDeep() }, 0);
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slice.bear_up = slice.up.bridges;
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tot_bear += slice.bear;
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} else {
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slice.bear = 0;
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}
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tot_mass += slice.mass;
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});
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let mass_per_bear = (tot_mass / tot_bear) * (1 / process.slaSupportDensity);
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// console.log({tot_mass, tot_bear, ratio: tot_mass / tot_bear, mass_per_bear});
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let first;
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ops.slice().map((s,i) => {
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if (!first && s.bear) {
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s.ord_first = first = true;
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}
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// 30x lowest to 1x highest
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s.ord_weight = Math.pow(30,((ops.length - i) / ops.length));
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return s;
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}).sort((a,b) => {
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if (a.ord_first) return -1;
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if (b.ord_first) return 1;
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return (b.bear * b.ord_weight) - (a.bear * a.ord_weight);
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}).forEach((slice, index) => {
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slice.ord_bear = index;
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})
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let rem_mass = tot_mass,
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rem_bear = tot_bear;
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// compute remaining mass, bearing surface, for each slice
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let run, runLast, runCount = 0, runList = [];
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ops.forEach(slice => {
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slice.rem_mass = rem_mass;
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slice.rem_bear = rem_bear;
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// slice.can_bear = slice.mass * mass_per_bear;
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slice.can_bear = slice.bear * mass_per_bear;
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rem_mass -= slice.mass;
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rem_bear -= slice.bear;
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});
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let ord = ops.sort((a,b) => {
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return a.ord_bear - b.ord_bear;
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});
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rem_mass = tot_mass;
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rem_bear = tot_bear;
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// in order of load bearing capability, select layer
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// and recompute the requirements on the slices below
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for (let i=0; i<ord.length; i++) {
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let slice = ord[i],
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bearing = Math.min(slice.can_bear, slice.rem_mass);
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// remove from slices below the amount of mass they have to bear
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for (let j=slice.index - 1; j>ops[0].index; j--) {
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slices[j].rem_mass -= bearing;
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}
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// remove total mass left to bear
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rem_mass -= bearing;
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slice.can_emit = true;
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if (rem_mass <= 0) {
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// console.log({break: i, of: ord.length});
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break;
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}
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}
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let seq = 0,
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seqLast = 0,
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spacing = (1 - process.slaSupportDensity) * 10,
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size = Math.bound(process.slaSupportSize / 2, 0.25, 1);
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// compute and project support pillars
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slices.forEach((slice,index) => {
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if (slice.can_emit) {
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if (seq === 0 || slice.index - seqLast > 5) {
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slice.bear_up.map(p => {
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return p.clone(true).setZ(slice.z);
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}).forEach(p => {
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projectSupport(process, slice, p, size, spacing);
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});
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seq++;
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} else if (seq > 5) {
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seq = 0;
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} else {
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seq++;
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}
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seqLast = slice.index;
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}
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progress(1 / slices.length);
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});
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// union support pillars
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slices.forEach(slice => {
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if (slice.supports) {
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slice.supports = POLY.union(slice.supports,0);
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}
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});
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}
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function projectSupport(process, slice, poly, size, spacing) {
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let flat = poly.circularityDeep() > 0.1,
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arr = [ poly ];
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// insetting polys produces arrays. consume til gone
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while (arr.length) {
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poly = arr.shift();
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let out = [],
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seg = [],
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per = poly.perimeter(),
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crit = 0,
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polys = poly.clone(true).flattenTo([]);
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polys.forEach(p => p.forEachSegment((p1, p2) => {
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let rec = {dist: p1.distTo2D(p2), p1, p2};
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if (rec.dist >= spacing || slice.ord_first) crit++;
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seg.push(rec);
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}));
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seg.sort((a,b) => {
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return b.dist - a.dist;
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});
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// emit all critical (long) segments. min 3
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while (seg.length && (crit > 0 || out.length < 3)) {
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let {dist, p1, p2} = seg.shift();
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if (dist >= spacing) {
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// spaced along line
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let num = Math.ceil(dist / spacing) + 1,
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step = dist / num,
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pt = p1;
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while (num-- >= 0) {
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out.push(pt);
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pt = pt.offsetPointTo(p2, step);
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}
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crit--;
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} else {
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// line midpoint
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out.push(p1.offsetPointTo(p2, dist / 2));
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}
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}
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// drop points too close to other pillars
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if (!slice.ord_first)
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drop: for (let i=0; i<out.length; i++) {
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for (let j=i+1; j<out.length; j++) {
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if (out[i].distTo2D(out[j]) <= size) {
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out[i] = null;
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continue drop;
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}
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}
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if (slice.pillars) slice.pillars.forEach(rec => {
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if (out[i] && out[i].distTo2D(rec.point) <= size) {
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out[i] = null;
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}
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});
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}
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// mark support pillar for each point
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out.filter(p => p !== null)
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.forEach(p => {
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let track = projectPillar(process, slice, p, size, []);
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// find stunted pillars terminating on a face (not raft or merged)
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if (track.length && !(track.max || track.synth || track.merged)) {
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// remove stunted pillar
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track.forEach(rec => {
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let sp = rec.slice.supports;
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let rp = sp.indexOf(rec.pillar);
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if (rp >= 0) sp.splice(rp,1);
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});
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}
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});
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// inset polygon for flat area support
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if (flat) poly.offset(Math.max(0.2, 1 - process.slaSupportDensity), arr);
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}
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}
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function projectPillar(process, slice, point, size, track) {
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if (!slice.supports) slice.supports = [];
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if (!slice.pillars) slice.pillars = [];
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let points = process.slaSupportPoints,
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pillar = newPolygon()
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.centerCircle(point, size/2, points, true)
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.setZ(slice.z),
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max = process.slaSupportSize,
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inc = process.slaSlice/2,
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end = false, // center intersects
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over = [], // overlapping points
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safe = [], // non-overlapping points
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low = slice.index < process.slaSupportGap + process.slaSupportLayers;
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track.min = track.min ? Math.min(track.min, size) : size;
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track.max = (track.max ? true : false) || size >= max;
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track.synth = track.synth || slice.synth;
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slice.tops.forEach(t => {
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if (track.length > 3 && point.isInPolygon(t.poly)) {
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end = true;
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}
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pillar.points.forEach(p => {
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let isin = p.isInPolygon(t.poly);// || p.nearPolygon(t.poly, 0.001);
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if (isin) {
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over.push(p);
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} else {
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safe.push(p);
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}
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});
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});
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if (end) {
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// backtrack shrinking pillars to point if
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// not landing on the base and size is max'd
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if (!slice.synth && track.max) {
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let nusize = track.min;
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while (track.length) {
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let prec = track.pop(),
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npil = newPolygon()
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.centerCircle(prec.point, nusize/2, points, true)
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.setZ(prec.slice.z),
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spos = prec.slice.supports.indexOf(prec.pillar);
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// if we find our old pillar, replace
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if (spos >= 0) {
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prec.slice.supports[spos] = npil;
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nusize += inc;
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}
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if (nusize > prec.size) {
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break;
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}
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}
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}
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return track;
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}
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let nextpoint = point;
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if (over.length) {
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// move toward average of safe (non-overlapping) points
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if (safe.length) {
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let x = 0, y = 0;
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safe.forEach(p => { x += p.x; y += p.y });
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x /= safe.length;
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y /= safe.length;
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if (x !== point.x || y !== point.y) {
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nextpoint = point.offsetPointTo({x, y, z:slice.z}, inc);
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}
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}
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// once max'ed out, can only shrink in size
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if (track.max) {
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size -= inc;
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}
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} else if (!track.max || low) {
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size += inc;
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if (low) max += (process.slaSupportGap * process.slaSlice * 2);
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}
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if (size < track.min) {
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return track;
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}
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let close = [];
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for (let i=0; i<slice.pillars.length; i++) {
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let p = slice.pillars[i].point;
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let d = point.distTo2D(p);
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// terminate if we're inside another pillar
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if (d < inc) {
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track.merged = true;
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return track;
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}
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if (d <= process.slaSupportSize * 1.5) {
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close.push(p);
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}
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}
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if (close.length) {
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let newp = point.clone();
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close.forEach(p => {
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newp.x += p.x;
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newp.y += p.y;
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});
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newp.x /= (close.length + 1);
|
|
newp.y /= (close.length + 1);
|
|
nextpoint = point.offsetPointTo(newp, inc);
|
|
}
|
|
|
|
slice.supports.push(pillar);
|
|
slice.pillars.push({point, pillar, size});
|
|
track.push({slice, point, pillar, size});
|
|
if (slice.down) {
|
|
projectPillar(process, slice.down, nextpoint, Math.min(size, max), track);
|
|
}
|
|
return track;
|
|
}
|
|
|
|
function fillPolys(slice, settings) {
|
|
let process = settings.process,
|
|
device = settings.device,
|
|
polys = slice.solids.unioned,
|
|
bounds = settings.bounds,
|
|
width = bounds.max.x - bounds.min.x,
|
|
depth = bounds.max.y - bounds.min.y,
|
|
max = Math.max(width,depth),
|
|
seq = Math.round(process.slaFillLine / process.slaSlice),
|
|
linew = process.slaFillLine,
|
|
units_w = (width / linew) * process.slaFillDensity,
|
|
units_d = (depth / linew) * process.slaFillDensity,
|
|
step_x = width / units_w,
|
|
step_y = depth / units_d,
|
|
start_x = -(width / 2),
|
|
start_y = -(depth / 2),
|
|
end_x = width / 2,
|
|
end_y = depth / 2,
|
|
fill = [];
|
|
|
|
let seq_i = Math.floor(slice.index / seq),
|
|
seq_c = seq_i % 4,
|
|
cached = fill_cache[seq_c];
|
|
|
|
if (!cached && seq_c !== 1)
|
|
for (let x=start_x; x<end_x; x += step_x) {
|
|
fill.push(
|
|
BASE.newPolygon().centerRectangle({
|
|
x: x + step_x/2,
|
|
y: 0,
|
|
z: slice.z
|
|
}, linew, depth)
|
|
);
|
|
}
|
|
|
|
if (!cached && seq_c !== 3)
|
|
for (let y=start_y; y<end_y; y += step_y) {
|
|
fill.push(
|
|
BASE.newPolygon().centerRectangle({
|
|
x: 0,
|
|
y: y + step_y/2,
|
|
z: slice.z
|
|
}, width, linew)
|
|
);
|
|
}
|
|
|
|
if (!cached) {
|
|
fill = POLY.union(fill);
|
|
fill_cache[seq_c] = fill;
|
|
} else {
|
|
fill = cached.slice().map(p => p.clone(true).setZ(slice.z));
|
|
}
|
|
|
|
fill = POLY.trimTo(fill, slice.tops.map(t => t.poly));
|
|
fill = POLY.union(slice.solids.unioned.appendAll(fill));
|
|
|
|
slice.solids.unioned = fill;
|
|
}
|
|
|
|
/**
|
|
* DRIVER PRINT CONTRACT - runs in worker
|
|
* @param {Object} print state object
|
|
* @param {Function} update incremental callback
|
|
*/
|
|
function printSetup(print, update) {
|
|
update(1);
|
|
};
|
|
|
|
/**
|
|
* DRIVER PRINT CONTRACT - runs in worker
|
|
* @param {Object} print state object
|
|
* @param {Function} online streaming reply
|
|
* @param {Function} ondone last reply
|
|
*/
|
|
function printExport(print, online, ondone) {
|
|
let widgets = print.widgets,
|
|
settings = print.settings,
|
|
device = settings.device,
|
|
process = settings.process,
|
|
output = print.output,
|
|
images = [],
|
|
layermax = 0,
|
|
width = 2560,
|
|
height = 1440,
|
|
width2 = width/2,
|
|
height2 = height/2,
|
|
scaleX = width / device.bedWidth,
|
|
scaleY = height / device.bedDepth,
|
|
mark = Date.now();
|
|
|
|
// find max layer count
|
|
widgets.forEach(widget => {
|
|
layermax = Math.max(widget.slices.length);
|
|
});
|
|
|
|
function polyout(poly, ctx) {
|
|
poly.forEachPoint((p,i) => {
|
|
if (i === 0) {
|
|
ctx.moveTo(height - (p.y * scaleY + height2), p.x * scaleX + width2);
|
|
} else {
|
|
ctx.lineTo(height - (p.y * scaleY + height2), p.x * scaleX + width2);
|
|
}
|
|
}, true);
|
|
ctx.closePath();
|
|
}
|
|
|
|
// generate layer 8-bit bitaps using canvas
|
|
for (let index=0; index < layermax; index++) {
|
|
let layer = new OffscreenCanvas(height,width);
|
|
let ctx = layer.getContext('2d');
|
|
ctx.fillStyle = 'rgb(200, 0, 0)';
|
|
let count = 0;
|
|
widgets.forEach(widget => {
|
|
let slice = widget.slices[index];
|
|
if (slice) {
|
|
// prevent premature exit on empty synth slice
|
|
if (slice.synth) count++;
|
|
let polys = slice.solids.unioned;
|
|
if (!polys) polys = slice.tops.map(t => t.poly);
|
|
if (slice.supports) polys.appendAll(slice.supports);
|
|
polys.forEach(poly => {
|
|
poly.move(widget.track.pos);
|
|
ctx.beginPath();
|
|
polyout(poly.setClockwise(), ctx);
|
|
if (poly.inner) {
|
|
poly.inner.forEach(inner => {
|
|
polyout(inner.setCounterClockwise(), ctx);
|
|
});
|
|
}
|
|
ctx.fill();
|
|
count++;
|
|
});
|
|
} else {
|
|
// console.log({no_slice_at: index})
|
|
}
|
|
});
|
|
let data = ctx.getImageData(0,0,height,width).data;
|
|
// reduce RGBA to R
|
|
let red = new Uint8ClampedArray(data.length / 4);
|
|
for (let i=0; i<red.length; i++) {
|
|
red[i] = data[i*4];
|
|
}
|
|
images.push(red);
|
|
// transfer images to browser main
|
|
online({
|
|
progress: (index / layermax) * 0.25,
|
|
message: "image_gen",
|
|
data: red
|
|
});
|
|
if (count === 0) break;
|
|
}
|
|
|
|
let exp_func;
|
|
|
|
switch (device.deviceName) {
|
|
case 'Anycubic.Photon':
|
|
exp_func = generatePhoton;
|
|
break;
|
|
case 'Anycubic.Photon.S':
|
|
exp_func = generatePhotons;
|
|
break;
|
|
}
|
|
|
|
let file = exp_func(print, {
|
|
width: width,
|
|
height: height,
|
|
lines: images,
|
|
small: previewSmall.data,
|
|
large: previewLarge.data
|
|
}, (progress, message) => {
|
|
online({progress: progress * 0.75 + 0.25, message});
|
|
});
|
|
|
|
ondone({
|
|
width: width,
|
|
height: height,
|
|
file: file
|
|
},[file]);
|
|
|
|
console.log('print.export', Date.now() - mark);
|
|
};
|
|
|
|
// runs in browser main
|
|
function sliceRender(widget) {
|
|
widget.slices.forEach(slice => {
|
|
let layers = slice.layers,
|
|
outline = layers.outline,
|
|
support = layers.support;
|
|
|
|
if (slice.solids.unioned) {
|
|
// console.log('solid', slice.index)
|
|
slice.solids.unioned.forEach(poly => {
|
|
poly = poly.clone(true);//.move(widget.track.pos);
|
|
outline.poly(poly, 0x010101, true);
|
|
outline.solid(poly, 0x0099cc);
|
|
});
|
|
} else if (slice.tops) {
|
|
// console.log('top', slice.index)
|
|
slice.tops.forEach(top => {
|
|
let poly = top.poly;//.clone(true).move(widget.track.pos);
|
|
outline.poly(poly, 0x010101, true, false);
|
|
outline.solid(poly, 0xfcba03);
|
|
});
|
|
}
|
|
|
|
if (slice.supports) {
|
|
// console.log('support', slice.index)
|
|
slice.supports.forEach(poly => {
|
|
//poly = poly.clone(true).move(widget.track.pos);
|
|
support.poly(poly, 0x010101, true, false);
|
|
support.solid(poly, 0xfcba03);
|
|
});
|
|
}
|
|
|
|
slice.renderDiff();
|
|
slice.renderSolidOutlines();
|
|
|
|
outline.renderAll();
|
|
support.renderAll();
|
|
});
|
|
}
|
|
|
|
// runs in browser main
|
|
function printRender(print) {
|
|
let widgets = print.widgets,
|
|
settings = print.settings,
|
|
device = settings.device,
|
|
process = settings.process;
|
|
|
|
for (let index=0; ; index++) {
|
|
let layer = KIRI.newLayer(print.group);
|
|
let count = 0;
|
|
|
|
widgets.forEach(widget => {
|
|
let slice = widget.slices[index];
|
|
if (!slice) {
|
|
return;
|
|
}
|
|
count++;
|
|
let polys = slice.solids.unioned;
|
|
if (!polys) polys = slice.tops.map(t => t.poly);
|
|
if (slice.supports) polys.appendAll(slice.supports);
|
|
polys.forEach(poly => {
|
|
poly = poly.clone(true).move(widget.track.pos);
|
|
layer.poly(poly, 0x010101, true);
|
|
layer.solid(poly, 0x0099cc);
|
|
});
|
|
});
|
|
|
|
layer.renderSolid();
|
|
layer.render();
|
|
|
|
if (count === 0) {
|
|
// TODO fix with contract for exposing layer count
|
|
// hack uses expected gcode output array in print object
|
|
// print.output = print.printView;
|
|
return;
|
|
}
|
|
|
|
print.printView.push(layer);
|
|
}
|
|
}
|
|
|
|
// runs in browser main
|
|
function printDownload(print) {
|
|
let { API, lines, done } = print.sla;
|
|
let filename = `print-${new Date().getTime().toString(36)}`;
|
|
|
|
API.ajax("/kiri/output-sla.html", html => {
|
|
API.ui.print.innerHTML = html;
|
|
|
|
let printset = print.settings,
|
|
process = printset.process,
|
|
device = printset.device,
|
|
print_sec = (process.slaBaseLayers * process.slaBaseOn) +
|
|
(lines.length - process.slaBaseLayers) * process.slaLayerOn,
|
|
print_min = Math.floor(print_sec/60),
|
|
print_hrs = Math.floor(print_min/60),
|
|
download = $('print-photon');
|
|
|
|
print_sec -= (print_min * 60);
|
|
print_min -= (print_hrs * 60);
|
|
print_sec = print_sec.toString().padStart(2,'0');
|
|
print_min = print_min.toString().padStart(2,'0');
|
|
print_hrs = print_hrs.toString().padStart(2,'0');
|
|
|
|
$('print-filename').value = filename;
|
|
$('print-layers').value = lines.length;
|
|
$('print-time').value = `${print_hrs}:${print_min}:${print_sec}`;
|
|
$('print-close').onclick = API.modal.hide;
|
|
|
|
switch (device.deviceName) {
|
|
case 'Anycubic.Photon':
|
|
download.innerText += " .photon";
|
|
download.onclick = () => { saveFile(API, done.file, ".photon") };
|
|
break;
|
|
case 'Anycubic.Photon.S':
|
|
download.innerText += " .photons";
|
|
download.onclick = () => { saveFile(API, done.file, ".photons") };
|
|
break;
|
|
}
|
|
|
|
let canvas = $('print-canvas');
|
|
let ctx = canvas.getContext('2d');
|
|
let img = ctx.createImageData(done.height, done.width);
|
|
let imgDV = new DataView(img.data.buffer);
|
|
let range = $('print-range');
|
|
range.value = 0;
|
|
range.min = 0;
|
|
range.max = lines.length - 1;
|
|
range.oninput = function() {
|
|
let lineDV = new DataView(lines[range.value].buffer);
|
|
for (let i=0; i<lineDV.byteLength; i++) {
|
|
imgDV.setUint32(i*4, lineDV.getUint8(i));
|
|
}
|
|
ctx.putImageData(img,0,0);
|
|
$('print-layer').innerText = range.value.padStart(4,'0');
|
|
};
|
|
|
|
range.oninput();
|
|
API.modal.show('print');
|
|
});
|
|
}
|
|
|
|
function saveFile(API, file, ext) {
|
|
saveAs(
|
|
new Blob([file], { type: "application/octet-stream" }),
|
|
$('print-filename').value + ext);
|
|
API.modal.hide();
|
|
}
|
|
|
|
function generatePhoton(print, conf, progress) {
|
|
let printset = print.settings,
|
|
process = printset.process,
|
|
device = printset.device,
|
|
width = conf.width,
|
|
height = conf.height,
|
|
layerCount = conf.lines.length,
|
|
layerBytes = width * height,
|
|
small = conf.small,
|
|
large = conf.large,
|
|
subcount = process.slaAntiAlias || 1,
|
|
masks = [];
|
|
|
|
let d = 8 / subcount;
|
|
for (let i=0; i<subcount; i++) {
|
|
masks.push((1 << (8 - i * d)) - 1);
|
|
}
|
|
let ccl = 0;
|
|
let tcl = conf.lines.length * subcount;
|
|
let converted = conf.lines.map((line, index) => {
|
|
let count = line.length;
|
|
let lineDV = new DataView(line.buffer);
|
|
let bits = new Uint8Array(line.length);
|
|
let bitsDV = new DataView(bits.buffer);
|
|
let subs = [{ data: bits, view: bitsDV }];
|
|
for (let sl=1; sl<subcount; sl++) {
|
|
bits = bits.slice();
|
|
bitsDV = new DataView(bits.buffer);
|
|
subs.push({ data: bits, view: bitsDV });
|
|
}
|
|
// use R from RGB since that was painted on the canvas
|
|
for (let s=0; s<subcount; s++) {
|
|
let view = subs[s].view;
|
|
let mask = masks[s];
|
|
for (let i = 0; i < count; i++) {
|
|
let dv = lineDV.getUint8(i);
|
|
view.setUint8(i, (dv / subcount) & mask ? 1 : 0);
|
|
}
|
|
progress((ccl++/tcl) * 0.4, `layer_convert`);
|
|
}
|
|
return { subs };
|
|
});
|
|
|
|
let coded = encodeLayers(converted, "photon", (pro => {
|
|
progress(pro * 0.4 + 0.4, "layer_encode");
|
|
}));
|
|
let buflen = 3000 + coded.length + (layerCount * subcount * 28) + small.byteLength + large.byteLength;
|
|
let filebuf = new ArrayBuffer(buflen);
|
|
let filedat = new DataWriter(new DataView(filebuf));
|
|
let printtime = (process.slaBaseLayers * process.slaBaseOn) +
|
|
(coded.layers.length - process.slaBaseLayers) * process.slaLayerOn;
|
|
|
|
filedat.writeU32(0x1900fd12); // header
|
|
filedat.writeU32(2,true); // version
|
|
filedat.writeF32(68.04, true); // bed x
|
|
filedat.writeF32(120.96, true); // bed y
|
|
filedat.writeF32(150.0, true); // bed z
|
|
filedat.skip(12); // padding
|
|
filedat.writeF32(process.slaSlice, true); // layer height
|
|
filedat.writeF32(process.slaLayerOn, true); // default lamp on
|
|
filedat.writeF32(process.slaBaseOn, true); // base lamp on
|
|
filedat.writeF32(process.slaLayerOff, true); // lamp off
|
|
filedat.writeU32(process.slaBaseLayers, true); // base layers
|
|
filedat.writeU32(1440, true); // device x
|
|
filedat.writeU32(2560, true); // device y
|
|
let hirez = filedat.skip(4); // hirez preview address filled pater
|
|
let layerpos = filedat.skip(4); // layer data address filled later
|
|
filedat.writeU32(layerCount, true);
|
|
let lorez = filedat.skip(4); // hirez preview address filled later
|
|
filedat.writeU32(printtime, true); // print time seconds
|
|
filedat.writeU32(1, true); // projection type (1=lcd, 0=cast)
|
|
let proppos = filedat.skip(4); // print properties address filled later
|
|
let proplen = filedat.skip(4); // print properties length filled later
|
|
filedat.writeU32(subcount, true); // AA level (sub layers)
|
|
filedat.writeU16(0x00ff, true); // light pwm (TODO);
|
|
filedat.writeU16(0x00ff, true); // light pwm bottom (TODO);
|
|
|
|
let propstart = filedat.pos;
|
|
filedat.view.setUint32(proppos, filedat.pos, true);
|
|
// write print properties
|
|
filedat.writeF32(process.slaBasePeelDist, true);
|
|
filedat.writeF32(process.slaBasePeelLiftRate * 60 , true);
|
|
filedat.writeF32(process.slaPeelDist, true);
|
|
filedat.writeF32(process.slaPeelLiftRate * 60 , true);
|
|
filedat.writeF32(process.slaPeelDropRate * 60, true);
|
|
filedat.writeF32(0, true); // volume of used
|
|
filedat.writeF32(0, true); // weight of used
|
|
filedat.writeF32(0, true); // cost of used
|
|
filedat.writeF32(0, true); // bottom off delay time
|
|
filedat.writeF32(0, true); // light off delay time
|
|
filedat.writeU32(process.slaBaseLayers, true);
|
|
filedat.writeF32(0, true); // p1 ?
|
|
filedat.writeF32(0, true); // p2 ?
|
|
filedat.writeF32(0, true); // p3 ?
|
|
filedat.writeF32(0, true); // p4 ?
|
|
filedat.view.setUint32(proplen, filedat.pos - propstart, true);
|
|
|
|
filedat.view.setUint32(layerpos, filedat.pos, true);
|
|
// write layer headers
|
|
let layers = coded.layers;
|
|
let layerat = [];
|
|
|
|
for (let sc=0; sc<subcount; sc++)
|
|
for (let l=0; l<layers.length; l++) {
|
|
let layer = layers[l].sublayers[sc];
|
|
filedat.writeF32(process.slaFirstOffset + process.slaSlice * l, true); // layer height
|
|
filedat.writeF32(l < process.slaBaseLayers ? process.slaBaseOn : process.slaLayerOn, true);
|
|
filedat.writeF32(l < process.slaBaseLayers ? process.slaBaseOff : process.slaLayerOff, true);
|
|
layerat.push(layer.repos = filedat.skip(4)); // rewrite later
|
|
filedat.writeU32(layer.length, true);
|
|
filedat.skip(16); // padding
|
|
}
|
|
|
|
// write layer data
|
|
let clo = 0;
|
|
let tlo = layers.length * subcount;
|
|
for (let sc=0; sc<subcount; sc++)
|
|
for (let l=0; l<layers.length; l++) {
|
|
let layer = layers[l].sublayers[sc];
|
|
filedat.view.setUint32(layer.repos, filedat.pos, true);
|
|
for (let j=0; j<layer.length; j++) {
|
|
filedat.writeU8(layer[j], false);
|
|
}
|
|
progress(((clo++/tlo) * 0.1) + 0.9, "layer_write");
|
|
}
|
|
|
|
filedat.view.setUint32(hirez, filedat.pos, true);
|
|
writePhotonImage({
|
|
width: 400,
|
|
height: 300,
|
|
data: conf.large
|
|
}, filedat);
|
|
|
|
filedat.view.setUint32(lorez, filedat.pos, true);
|
|
writePhotonImage({
|
|
width: 200,
|
|
height: 125,
|
|
data: conf.small
|
|
}, filedat);
|
|
|
|
return filebuf;
|
|
}
|
|
|
|
function generatePhotons(print, conf, progress) {
|
|
let printset = print.settings,
|
|
process = printset.process,
|
|
device = printset.device,
|
|
width = conf.width,
|
|
height = conf.height,
|
|
layerCount = conf.lines.length,
|
|
layerBytes = width * height;
|
|
|
|
let converted = conf.lines.map((line, index) => {
|
|
let count = line.length / 4;
|
|
let bits = new Uint8Array(line.length / 4);
|
|
let bitsDV = new DataView(bits.buffer);
|
|
let lineDV = new DataView(line.buffer);
|
|
// reduce RGB to R = 0||1
|
|
for (let i = 0; i < count; i++) {
|
|
// defeat anti-aliasing for the moment
|
|
bitsDV.setUint8(i, lineDV.getUint8(i * 4) > 0 ? 1 : 0);
|
|
}
|
|
progress(index / conf.lines.length);
|
|
return { subs: [{
|
|
exposureTime: process.slaLayerOn,
|
|
data: bits
|
|
}] };
|
|
});
|
|
|
|
let coded = encodeLayers(converted, "photons");
|
|
let filebuf = new ArrayBuffer(75366 + coded.length + 28 * layerCount);
|
|
let filedat = new DataView(filebuf);
|
|
let filePos = 0;
|
|
|
|
filedat.setUint32 (0, 2, false);
|
|
filedat.setUint32 (4, 3227560, false);
|
|
filedat.setUint32 (8, 824633720, false);
|
|
filedat.setUint16 (12, 10, false);
|
|
filedat.setFloat64(14, process.slaSlice, false);
|
|
filedat.setFloat64(22, process.slaLayerOn, false);
|
|
filedat.setFloat64(30, process.slaLayerOff, false);
|
|
filedat.setFloat64(38, process.slaBaseOn, false);
|
|
filedat.setUint32 (46, process.slaBaseLayers, false);
|
|
filedat.setFloat64(50, process.slaPeelDist, false);
|
|
filedat.setFloat64(58, process.slaPeelLift, false);
|
|
filedat.setFloat64(66, process.slaPeelDrop, false);
|
|
filedat.setFloat64(74, 69420, false);
|
|
filedat.setUint32 (82, 224, false);
|
|
filedat.setUint32 (86, 42, false);
|
|
filedat.setUint32 (90, 168, false);
|
|
filedat.setUint32 (94, 10, false);
|
|
filedat.setUint32 (75362, layerCount, false);
|
|
|
|
filePos = 75366;
|
|
for (let i = 0; i < layerCount; i++) {
|
|
let layer = coded.layers[i],
|
|
sublayer = layer.sublayers[0],
|
|
numbytes = sublayer.length;
|
|
|
|
filedat.setUint32 (filePos + 0, 69420, false);
|
|
filedat.setFloat64(filePos + 4, 0);
|
|
filedat.setUint32 (filePos + 12, height, false);
|
|
filedat.setUint32 (filePos + 16, width, false);
|
|
filedat.setUint32 (filePos + 20, numbytes * 8 + 32, false);
|
|
filedat.setUint32 (filePos + 24, 2684702720, false);
|
|
filePos += 28;
|
|
for (let j = 0; j < numbytes; j++) {
|
|
filedat.setUint8(filePos + j, sublayer[j], false);
|
|
}
|
|
filePos += numbytes;
|
|
progress((i / layerCount) / 2 + 0.5);
|
|
}
|
|
|
|
return filebuf;
|
|
}
|
|
|
|
function encodeLayers(input, type, progress) {
|
|
let layers = [], length = 0, total = 0, count = 0;
|
|
input.forEach(layer => {
|
|
layer.subs.forEach(sub => total++);
|
|
});
|
|
for (let index = 0; index < input.length; index++) {
|
|
let subs = input[index].subs,
|
|
sublayers = [],
|
|
sublength = 0;
|
|
for (let subindex = 0; subindex < subs.length; subindex++) {
|
|
let data = subs[subindex].data;
|
|
let encoded = rleEncode(data, type);
|
|
sublength += encoded.length;
|
|
sublayers.push(encoded);
|
|
if (progress) progress(count++/total);
|
|
if (type == "photons") break;
|
|
}
|
|
length += sublength;
|
|
layers.push({
|
|
sublength,
|
|
sublayers
|
|
});
|
|
}
|
|
return { length, layers };
|
|
}
|
|
|
|
function rleEncode(data, type) {
|
|
let maxlen = (type === 'photons') ? 128 : 125,
|
|
color = data[0],
|
|
runlen = 1,
|
|
output = [];
|
|
for (let index = 1; index < data.length; index++) {
|
|
let newColor = data[index];
|
|
if (newColor !== color) {
|
|
output.push(rleByte(color, runlen, type));
|
|
color = newColor;
|
|
runlen = 1;
|
|
} else {
|
|
if (runlen === maxlen) {
|
|
output.push(rleByte(color, runlen, type));
|
|
runlen = 1;
|
|
} else {
|
|
runlen++;
|
|
}
|
|
}
|
|
}
|
|
if (runlen > 0) {
|
|
output.push(rleByte(color, runlen, type));
|
|
}
|
|
return output;
|
|
}
|
|
|
|
function rleByte(color, length, type) {
|
|
switch (type) {
|
|
case 'photon':
|
|
return (length & 0x7f) | ((color << 7) & 0x80);
|
|
case 'photons':
|
|
length--;
|
|
return (length & 1 ? 128 : 0) |
|
|
(length & 2 ? 64 : 0) |
|
|
(length & 4 ? 32 : 0) |
|
|
(length & 8 ? 16 : 0) |
|
|
(length & 16 ? 8 : 0) |
|
|
(length & 32 ? 4 : 0) |
|
|
(length & 64 ? 2 : 0) | color;
|
|
}
|
|
}
|
|
|
|
function rleDecode(data, type) {
|
|
let bytes = [];
|
|
if (type === 'photon') {
|
|
for (let i = 0; i < data.length; i++) {
|
|
let val = data[i],
|
|
color = val >> 7,
|
|
count = val & 0x7f;
|
|
for (let j = 0; j < count; j++) {
|
|
bytes.push(color);
|
|
}
|
|
}
|
|
} else {
|
|
for (let i = 0; i < data.length; i++) {
|
|
let val = data[i],
|
|
color = val & 1,
|
|
count =
|
|
((val & 128 ? 1 : 0) |
|
|
(val & 64 ? 2 : 0) |
|
|
(val & 32 ? 4 : 0) |
|
|
(val & 16 ? 8 : 0) |
|
|
(val & 8 ? 16 : 0) |
|
|
(val & 4 ? 32 : 0) |
|
|
(val & 2 ? 64 : 0)) + 1;
|
|
for (let j = 0; j < count; j++) {
|
|
bytes.push(color);
|
|
}
|
|
}
|
|
}
|
|
return bytes;
|
|
}
|
|
|
|
function pixAt(png,x,y) {
|
|
let idx = (x + png.width * y) * 4;
|
|
let dat = png.data;
|
|
return [
|
|
dat[idx++],
|
|
dat[idx++],
|
|
dat[idx++],
|
|
dat[idx++]
|
|
];
|
|
}
|
|
|
|
function averageBlock(png,x1,y1,x2,y2) {
|
|
let val = [0, 0, 0, 0], count = 0, x, y, z, v2;
|
|
for (x=x1; x<x2; x++) {
|
|
for (y=y1; y<y2; y++) {
|
|
v2 = pixAt(png,x,y);
|
|
for (z=0; z<4; z++) {
|
|
val[z] += v2[z];
|
|
}
|
|
count++;
|
|
}
|
|
}
|
|
for (z=0; z<4; z++) {
|
|
val[z] = Math.abs(val[z] / count);
|
|
}
|
|
return val;
|
|
};
|
|
|
|
function samplePNG(png, width, height) {
|
|
let th = width, tw = height,
|
|
ratio = png.width / png.height,
|
|
buf = new Uint8Array(th * tw * 4),
|
|
div, xoff, yoff, dx, ex, dy, ey, bidx, pixval;
|
|
|
|
if (ratio > 4/3) {
|
|
div = png.height / tw;
|
|
xoff = Math.round((png.width - (th * div)) / 2);
|
|
yoff = 0;
|
|
} else {
|
|
div = png.width / th;
|
|
xoff = 0;
|
|
yoff = Math.round((png.height - (tw * div)) / 2);
|
|
}
|
|
|
|
for (let y=0; y<tw; y++) {
|
|
dy = Math.round(y * div + yoff);
|
|
if (dy < 0 || dy > png.height) continue;
|
|
ey = Math.round((y+1) * div + yoff);
|
|
for (let x=0; x<th; x++) {
|
|
dx = Math.round(x * div + xoff);
|
|
if (dx < 0 || dx > png.width) continue;
|
|
ex = Math.round((x+1) * div + xoff);
|
|
bidx = (y * th + x) * 4;
|
|
pixval = averageBlock(png,dx,dy,ex,ey);
|
|
buf[bidx+0] = pixval[0];
|
|
buf[bidx+1] = pixval[1];
|
|
buf[bidx+2] = pixval[2];
|
|
buf[bidx+3] = pixval[3];
|
|
}
|
|
}
|
|
|
|
return {width, height, data:buf, png};
|
|
}
|
|
|
|
function writePhotonImage(preview, writer) {
|
|
let data = new Uint8Array(preview.data), len = data.byteLength;
|
|
writer.writeU32(preview.width, true);
|
|
writer.writeU32(preview.height, true);
|
|
let hpos = writer.skip(4);
|
|
writer.writeU32(len/2, true);
|
|
writer.view.setUint32(hpos, writer.pos, true);
|
|
let pos = 0;
|
|
while (pos < len) {
|
|
let r = data[pos++],
|
|
g = data[pos++],
|
|
b = data[pos++],
|
|
a = data[pos++],
|
|
v = (((r/4)&0x1f) << 11) |
|
|
(((g/4)&0x1f) << 6) |
|
|
(((b/4)&0x1f) << 0) ;
|
|
writer.writeU16(v, true);
|
|
}
|
|
}
|
|
|
|
})();
|
|
|
|
class DataWriter {
|
|
constructor(view) {
|
|
this.view = view;
|
|
this.pos = 0;
|
|
}
|
|
|
|
skip(v) {
|
|
let p = this.pos;
|
|
this.pos += v;
|
|
return p;
|
|
}
|
|
|
|
writeU8(v) {
|
|
try {
|
|
this.view.setUint8(this.pos, v);
|
|
return this.skip(1);
|
|
} catch (err) {
|
|
console.log({pos:this.pos, err})
|
|
throw err;
|
|
}
|
|
}
|
|
|
|
writeU16(v,le) {
|
|
this.view.setUint16(this.pos, v, le);
|
|
return this.skip(2);
|
|
}
|
|
|
|
writeU32(v,le) {
|
|
this.view.setUint32(this.pos, v, le);
|
|
return this.skip(4);
|
|
}
|
|
|
|
writeF32(v,le) {
|
|
this.view.setFloat32(this.pos, v, le);
|
|
return this.skip(4);
|
|
}
|
|
|
|
writeF64(v,le) {
|
|
this.view.setFloat64(this.pos, v, le);
|
|
return this.skip(8);
|
|
}
|
|
}
|