354 lines
11 KiB
JavaScript
354 lines
11 KiB
JavaScript
/** Copyright 2014-2017 Stewart Allen -- All Rights Reserved */
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"use strict";
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var gs_kiri_laser = 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.LASER) return;
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var KIRI = self.kiri,
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BASE = self.base,
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UTIL = BASE.util,
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DBUG = BASE.debug,
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LASER = KIRI.driver.LASER = { },
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SLICER = KIRI.slicer,
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newPoint = BASE.newPoint;
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/**
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* DRIVER SLICE CONTRACT
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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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LASER.slice = function(settings, widget, onupdate, ondone) {
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var proc = settings.process;
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if (proc.laserSliceHeight < 0) {
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DBUG.log("invalid slice height");
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return ondone(false);
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}
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SLICER.sliceWidget(widget, {height: proc.laserSliceHeight}, function(slices) {
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widget.slices = slices;
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slices.forEach(function(slice, index) {
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slice.doShells(1, -proc.laserOffset);
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onupdate(0.80 + (index/slices.length) * 0.20);
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});
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ondone(true);
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}, function(update) {
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onupdate(0.0 + update * 0.80)
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});
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};
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function sliceEmitObjects(print, slice, objects) {
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var start = newPoint(0,0,0);
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function laserOut(poly, object) {
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if (!poly) return;
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if (Array.isArray(poly)) {
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poly.forEach(function(pi) {
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laserOut(pi, object);
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});
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} else {
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print.polyPrintPath(poly, start, object, 1);
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}
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}
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slice.tops.forEach(function(top) {
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var object = [];
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laserOut(top.traces, object);
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laserOut(top.innerTraces(), object);
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objects.push(object);
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});
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};
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/**
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* DRIVER PRINT CONTRACT
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*
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* @param {Object} print state object
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* @param {Function} update incremental callback
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*/
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LASER.printSetup = function(print, update) {
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var widgets = print.widgets,
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settings = print.settings,
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device = settings.device,
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process = settings.process,
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mode = settings.mode,
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output = print.output,
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totalSlices = 0,
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slices = 0;
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// find max layers (for updates)
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widgets.forEach(function(widget) {
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totalSlices += widget.slices.length;
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});
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// emit objects from each slice into output array
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widgets.forEach(function(widget) {
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widget.slices.forEach(function(slice) {
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sliceEmitObjects(print, slice, output);
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update(slices++ / totalSlices);
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});
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});
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// compute tile width / height
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output.forEach(function(layerout) {
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var min = {w:Infinity, h:Infinity}, max = {w:-Infinity, h:-Infinity}, p;
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layerout.forEach(function(out) {
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p = out.point;
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min.w = Math.min(min.w, p.x);
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max.w = Math.max(max.w, p.x);
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min.h = Math.min(min.h, p.y);
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max.h = Math.max(max.h, p.y);
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});
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layerout.w = max.w - min.w;
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layerout.h = max.h - min.h;
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});
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// do object layout packing
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var i, m, e,
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MOTO = self.moto,
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device = settings.device,
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process = settings.process,
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mp = [device.bedWidth, device.bedDepth],
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ms = [mp[0] / 2, mp[1] / 2],
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mi = mp[0] > mp[1] ? [(mp[0] / mp[1]) * 10, 10] : [10, (mp[1] / mp[1]) * 10],
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// sort objects by size
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c = output.sort(function (a, b) { return (b.w * b.h) - (a.w * a.h) }),
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p = new MOTO.Pack(ms[0], ms[1], process.outputTileSpacing).fit(c);
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while (!p.packed) {
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ms[0] += mi[0];
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ms[1] += mi[1];
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p = new MOTO.Pack(ms[0], ms[1], process.outputTileSpacing).fit(c);
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}
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for (i = 0; i < c.length; i++) {
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m = c[i];
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m.fit.x += m.w / 2 + p.pad;
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m.fit.y += m.h / 2 + p.pad;
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m.forEach(function(o, i) {
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// because first point emitted twice (begin/end)
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e = o.point = o.point.clone();
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e.x += p.max.w / 2 - m.fit.x;
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e.y += p.max.h / 2 - m.fit.y;
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e.z = 0;
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});
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}
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};
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/**
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*
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*/
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function exportElements(print, onpre, onpoly, onpost, onpoint) {
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var process = print.settings.process,
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output = print.output,
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last,
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point,
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poly = [],
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min = {x:0, y:0},
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max = {x:0, y:0};
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output.forEach(function(layer) {
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layer.forEach(function(out) {
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point = out.point;
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if (process.outputInvertX) point.x = -point.x;
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if (process.outputInvertY) point.y = -point.y;
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point.x *= process.outputTileScaling;
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point.y *= process.outputTileScaling;
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min.x = Math.min(min.x, point.x);
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max.x = Math.max(max.x, point.x);
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min.y = Math.min(min.y, point.y);
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max.y = Math.max(max.y, point.y);
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});
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});
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// normalize against origin lower left
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if (!process.outputOriginCenter) {
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output.forEach(function(layer) {
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layer.forEach(function(out) {
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point = out.point;
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point.x -= min.x;
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point.y -= min.y;
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});
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});
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max.x = max.x - min.x;
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max.y = max.y - min.y;
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min.x = 0;
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min.y = 0;
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}
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onpre(min, max, process.outputLaserPower, process.outputLaserSpeed);
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output.forEach(function(layer) {
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layer.forEach(function(out) {
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point = out.point;
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if (out.emit) {
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if (last && poly.length === 0) poly.push(onpoint(last));
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poly.push(onpoint(point));
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} else if (poly.length > 0) {
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onpoly(poly);
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poly = [];
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}
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last = point;
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});
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if (poly.length > 0) {
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onpoly(poly);
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poly = [];
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}
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});
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onpost();
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};
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/**
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*
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*/
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LASER.exportGCode = function(print) {
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var lines = [], dx = 0, dy = 0, feedrate, laser_on;
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exportElements(
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print,
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function(min, max, power, speed) {
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var width = (max.x - min.x),
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height = (max.y - min.y);
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dx = min.x;
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dy = min.y;
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feedrate = " F" + speed,
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laser_on = "M106 S" + UTIL.round(256 * (power / 100), 3);
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// pre
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},
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function(poly) {
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poly.forEach(function(point, index) {
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if (index === 0) {
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lines.push("G0 " + point);
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} else if (index === 1) {
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lines.push(laser_on);
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lines.push("G1 " + point + feedrate);
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} else {
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lines.push("G1 " + point);
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}
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});
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lines.push("M107");
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},
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function() {
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// post
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},
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function(point) {
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return "X" + UTIL.round(point.x - dx, 3) + " Y" + UTIL.round(point.y - dy, 3);
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}
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);
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return lines.join('\n');
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};
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/**
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*
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*/
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LASER.exportSVG = function(print) {
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var lines = [], dx = 0, dy = 0, my;
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exportElements(
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print,
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function(min, max) {
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var width = (max.x - min.x),
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height = (max.y - min.y);
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dx = min.x;
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dy = min.y;
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my = max.y;
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lines.push('<?xml version="1.0" standalone="no"?>');
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lines.push('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">');
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lines.push('<svg width="'+width+'mm" height="'+height+'mm" viewBox="0 0 '+width+' '+height+'" xmlns="http://www.w3.org/2000/svg" version="1.1">');
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},
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function(poly) {
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lines.push('<polyline points="'+poly.join(' ')+'" fill="none" stroke="blue" stroke-width="0.01mm" />');
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},
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function() {
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lines.push("</svg>");
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},
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function(point) {
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return UTIL.round(point.x - dx, 3) + "," + UTIL.round(my - point.y - dy, 3);
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}
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);
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return lines.join('\n');
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};
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/**
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*
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*/
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LASER.exportDXF = function(print) {
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var lines = [];
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exportElements(
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print,
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function(min, max) {
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lines.appendAll([
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' 0',
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'SECTION',
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' 2',
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'HEADER',
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' 9',
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'$ACADVER',
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'1',
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'AC1014',
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' 0',
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'ENDSEC',
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' 0',
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'SECTION',
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' 2',
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'ENTITIES',
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]);
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},
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function(poly) {
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lines.appendAll([
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' 0',
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'LWPOLYLINE',
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'100', // subgroup required
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'AcDbPolyline',
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' 90', // poly vertices
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poly.length,
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' 70', // open
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'0',
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' 43', // constant width line
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'0.0'
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]);
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poly.forEach(function(point) {
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lines.appendAll([
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' 10',
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point.x,
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' 20',
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point.y
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]);
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});
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lines.appendAll([
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' 0',
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'SEQEND',
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]);
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},
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function() {
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lines.appendAll([
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' 0',
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'ENDSEC',
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' 0',
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'EOF',
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]);
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},
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function(point) {
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return {x:point.x,y:point.y};
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}
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);
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return lines.join('\n');
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};
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})();
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