added absolute conversion to path and minor other changes

src/octoprint/plugins/svgtogcode/__init__.py

@@ -235,7 +235,7 @@ class SvgToGcodePlugin(octoprint.plugin.SlicerPlugin,
 
 	def get_assets(self):
 		return dict(
-			js=[ "js/convert.js", "js/working_area.js", "js/gcode_parser.js", "js/lib/snap.svg-min.js", "js/lib/photobooth_min.js", "js/matrix_oven.js", "js/render_fills.js", "js/drag_scale_rotate.js"],
+			js=[ "js/convert.js", "js/working_area.js", "js/gcode_parser.js", "js/lib/snap.svg-min.js", "js/lib/photobooth_min.js", "js/matrix_oven.js", "js/render_fills.js", "js/drag_scale_rotate.js", "js/svg2gcode.js"],
 			less=["less/svgtogcode.less"],
 			css=["css/svgtogcode.css", "css/mrbeam.css"]
 		)

src/octoprint/plugins/svgtogcode/static/js/convert.js

@@ -74,7 +74,6 @@ $(function(){
 			}
 		}, self);
 
-
 		self.maxSpeed.subscribe(function(val){
 			self._configureFeedrateSlider();
 		});
@@ -279,6 +278,10 @@ $(function(){
 						data.gcodeFilesToAppend = self.gcodeFilesToAppend;
 					}
 
+					var snapelement = snap.select("#userContent");
+					snapelement.bake(false, 5);
+					data.gcodedata = snapelement.toGcode(self.laserSpeed(),	self.laserIntensity(), self.pierceTime());
+
 					$.ajax({
 						url: API_BASEURL + "files/convert",
 						type: "POST",
@@ -286,7 +289,6 @@ $(function(){
 						contentType: "application/json; charset=UTF-8",
 						data: JSON.stringify(data)
 					});
-
 				});
 			}
 		};

src/octoprint/plugins/svgtogcode/static/js/drag_scale_rotate.js

@@ -79,7 +79,7 @@ Snap.plugin(function (Snap, Element, Paper, global) {
 			handleFill: "red",
 			handleStrokeDashPreset: [5,5],
 			handleStrokeWidth: 2,
-			handleLength: 18,
+			handleLength: 10,
 			handleRadius: 16,
 			unscale: 1,
 			handleStrokeDash: "5,5",
@@ -135,7 +135,7 @@ Snap.plugin(function (Snap, Element, Paper, global) {
 			this.data("ty", 0);
 			this.attr({class:'_freeTransformInProgress'});
 
-			ftOption.unscale = 1 / this.paper.select('#scaleGroup').transform().localMatrix.a;
+			ftOption.unscale = 1 / this.paper.select('#scaleGroup').transform().globalMatrix.a;
 			this.data('unscale', ftOption.unscale);
 			ftOption.handleStrokeDash = ftOption.handleStrokeDashPreset.map(function(v){ return v*ftOption.unscale; }).join(',');
 			return this;
@@ -208,10 +208,10 @@ Snap.plugin(function (Snap, Element, Paper, global) {
 			// transformed bbox
 			this.data("bbT", this.paper.rect( rectObjFromBB( this.getBBox(1) ) )
 							.attr({ fill: "none", stroke: ftOption.handleFill, strokeWidth: ftOption.handleStrokeWidth, strokeDasharray: ftOption.handleStrokeDashPreset.join(',') })
-							.transform( this.transform().global.toString() ) );
+							.transform( this.transform().local.toString() ) );
 			// outer bbox
 			this.data("bb", this.paper.select('#userContent').rect( rectObjFromBB( this.getBBox() ) )
-							.attr({ fill: "none", stroke: 'gray', strokeWidth: ftOption.handleStrokeWidth, strokeDasharray: ftOption.handleStrokeDash }) );
+							.attr({ fill: "none", stroke: 'gray', strokeWidth: 0.6, strokeDasharray: [2,2] }) );
 			return this;
 		};
 
@@ -298,7 +298,7 @@ Snap.plugin(function (Snap, Element, Paper, global) {
 		if(!mainEl.data('block_rotation')){
 			var angle = Snap.angle( mainBB.cx, mainBB.cy, handle.attr('cx'), handle.attr('cy') ) - 180;
 			if(event.shiftKey){
-				angle = Math.round(angle/30) * 30;
+				angle = Math.round(angle/15) * 15;
 			}
 			mainEl.data("angle", angle );
 		}

src/octoprint/plugins/svgtogcode/static/js/svg2gcode.js

@@ -0,0 +1,154 @@
+Snap.plugin(function (Snap, Element, Paper, global) {
+  /**
+   * generates and returns the svg as gcode
+   *
+   * @param {integer} laserSpeed : value for laser speed
+   * @param {integer} laserIntensity : value for laser intensity
+   * @param {integer} pierceTime : value for pierce time
+   * @returns {list}
+   */
+  Element.prototype.toGcode = function (laserSpeed,	laserIntensity, pierceTime) {
+    var gCodeList = [];
+
+    gCodeList.push(";Generated with svg2gcode Version 0.1\n");
+    gCodeList.push("G21\n");
+    //gCodeList.push("G1F" + laserSpeed + "\n");
+
+    svgWidth  = this.paper.attr('viewBox').width;
+    svgHeight = this.paper.attr('viewBox').height;
+    feedrateSet = 0;
+
+    var elem = this.selectAll("path");
+    for (var i = 0; i < elem.length; i++) {
+      gCodeList.push(elem[i].pathStringToGCode(laserIntensity, laserSpeed, pierceTime));
+    }
+
+    // Always append a M5 command to be sure the Laser is OFF
+    gCodeList.push("\nM5");
+
+    return gCodeList;
+  }
+
+  Element.prototype.pathStringToGCode = function (laserIntensity, laserSpeed, pierceTime) {
+    if (this.type !== "path") {
+      return this;
+    }
+    var gcode = [];
+    var startP = [0, 0];
+    var lastP = [0, 0];
+    var lastXstr = "";
+    var lastYstr = "";
+    var xStr = "";
+    var yStr = "";
+    var laser = 0;
+    var arr = Snap.parsePathString(Snap.path.toAbsolute(this.realPath));
+    gcode.push(";NEW PATH STRING")
+    for (var i = 0; i < arr.length; i++) {
+      if (arr[i][0] == "M") {
+        xStr = Math.round(arr[i][1] * 100) / 100;
+        yStr = Math.round((svgHeight - arr[i][2]) * 100) / 100;
+        if (laser == 1) {
+          gcode.push("M3S0");
+        }
+        if (xStr != lastXstr && yStr != lastYstr) {
+          gcode.push("G0X" + xStr + "Y" + yStr);
+          lastXstr = xStr;
+          lastYstr = yStr;
+        } else if (xStr != lastXstr) {
+          gcode.push("G0X" + xStr);
+          lastXstr = xStr;
+        } else if (yStr != lastYstr) {
+          gcode.push("G0Y" + yStr);
+          lastYstr = yStr;
+        }
+        if (feedrateSet == 0) {
+          gcode.push("G1F" + laserSpeed);
+          feedrateSet = 1;
+        }
+        gcode.push("M3S" + laserIntensity);
+        laser = 1
+        if (pierceTime != 0) {
+          gcode.push("G4P" + pierceTime);
+        }
+        startP = [arr[i][1], (svgHeight - arr[i][2])];
+        lastP = startP;
+      } else if (arr[i][0] == "L") {
+        xStr = Math.round(arr[i][1] * 100) / 100;
+        yStr = Math.round((svgHeight - arr[i][2]) * 100) / 100;
+        if (xStr != lastXstr && yStr != lastYstr) {
+          gcode.push("G1X" + xStr + "Y" + yStr);
+          lastXstr = xStr;
+          lastYstr = yStr;
+        } else if (xStr != lastXstr) {
+          gcode.push("G1X" + xStr);
+          lastXstr = xStr;
+        } else if (yStr != lastYstr) {
+          gcode.push("G1Y" + yStr);
+          lastYstr = yStr;
+        }
+        lastP = [arr[i][1], (svgHeight - arr[i][2])];
+      } else if (arr[i][0] == "H") {
+        xStr = Math.round(arr[i][1] * 100) / 100;
+        gcode.push("G1X" + xStr);
+        lastXstr = xStr;
+        lastP = [arr[i][1], lastP[1]];
+      } else if (arr[i][0] == "V") {
+        yStr = Math.round((svgHeight - arr[i][1]) * 100) / 100;
+        gcode.push("G1Y" + yStr);
+        lastYstr = yStr;
+        lastP = [lastP[0], (svgHeight - arr[i][1])];
+      } else if (arr[i][0] == "C") {
+        var x0 = lastP[0];
+        var y0 = lastP[1];
+        var x1 = arr[i][1];
+        var y1 = (svgHeight - arr[i][2]);
+        var x2 = arr[i][3];
+        var y2 = (svgHeight - arr[i][4]);
+        var x3 = arr[i][5];
+        var y3 = (svgHeight - arr[i][6]);
+        var tmp = Snap.path.getTotalLength("M" + lastP[0] + "," + lastP[1] + "C" + x1 + "," + y1 + "," + x2 + "," + y2 + "," + x3 + "," + y3);
+        var range = Math.round(tmp) * 10;
+        for (var t = 1; t <= range; t++) {
+          obj = Snap.path.findDotsAtSegment(x0, y0, x1, y1, x2, y2, x3, y3, t / range)
+          xStr = Math.round(obj.x * 100) / 100;
+          yStr = Math.round(obj.y * 100) / 100;
+          if (xStr != lastXstr && yStr != lastYstr) {
+            gcode.push("G1X" + xStr + "Y" + yStr);
+            lastXstr = xStr;
+            lastYstr = yStr;
+          } else if (xStr != lastXstr) {
+            gcode.push("G1X" + xStr);
+            lastXstr = xStr;
+          } else if (yStr != lastYstr) {
+            gcode.push("G1Y" + yStr);
+            lastYstr = yStr;
+          }
+        }
+        lastP = [x3, y3];
+      } else if (arr[i][0] == "Q") {
+        // TODO implement Q path element
+        gcode.push("NOT_IMPLEMENTED");
+      } else if (arr[i][0] == "A") {
+        // TODO implement A path element
+        gcode.push("NOT_IMPLEMENTED");
+      } else if (arr[i][0] == "Z") {
+        xStr = Math.round(startP[0] * 100) / 100;
+        yStr = Math.round(startP[1] * 100) / 100;
+        if (xStr != lastXstr && yStr != lastYstr) {
+          gcode.push("G1X" + xStr + "Y" + yStr);
+          lastXstr = xStr;
+          lastYstr = yStr;
+        } else if (xStr != lastXstr) {
+          gcode.push("G1X" + xStr);
+          lastXstr = xStr;
+        } else if (yStr != lastYstr) {
+          gcode.push("G1Y" + yStr);
+          lastYstr = yStr;
+        }
+      }
+    }
+    gcode.push("M3S0\n")
+    //console.log(gcode.join("\n").length)
+    return gcode.join("\n");
+  }
+});

src/octoprint/plugins/svgtogcode/static/js/working_area.js

@@ -64,7 +64,8 @@ $(function(){
 		// matrix scales svg units to display_pixels
 		self.scaleMatrix = ko.computed(function(){
 			var m = new Snap.Matrix();
-			var factor = 25.4/self.svgDPI() * 1/self.px2mm_factor();
+			//var factor = 25.4/self.svgDPI() * 1/self.px2mm_factor();
+			var factor = 1;
 			if(!isNaN(factor)){
 				m.scale(factor);
 				return m;
@@ -238,8 +239,9 @@ $(function(){
 				}
 
 				// scale matrix
+				var scale = self.svgDPI()/25.4;
 				var mat = self.getDocumentViewBoxMatrix(doc_width, doc_height, doc_viewbox);
-				var scaleMatrixStr = new Snap.Matrix(mat[0][0],mat[0][1],mat[1][0],mat[1][1],mat[0][2],mat[1][2]).toTransformString();
+				var scaleMatrixStr = new Snap.Matrix(mat[0][0]/scale,mat[0][1],mat[1][0],mat[1][1]/scale,mat[0][2],mat[1][2]).toTransformString();
 				newSvgAttrs['transform'] = scaleMatrixStr;
 
 				var newSvg = snap.group(f.selectAll("svg>*"));
@@ -399,12 +401,12 @@ $(function(){
 				var wpx = this.width;
 				var hpx = this.height;
 
-				var dimPT = self.getUsefulDimensions(wpx, hpx);
-				var wPT = dimPT[0];
-				var hPT = dimPT[1];
+				var dimMM = self.getUsefulDimensions(wpx, hpx);
+				var wMM = dimMM[0];
+				var hMM = dimMM[1];
 
-				var y = self.mm2svgUnits(self.workingAreaHeightMM()) - hPT;
-				var newImg = snap.image(url, 0, y, wPT, hPT);
+				var y = self.workingAreaHeightMM() - hMM;
+				var newImg = snap.image(url, 0, y, wMM, hMM);
 				var id = self.getEntryId(file);
 				var previewId = self.generateUniqueId(id); // appends # if multiple times the same design is placed.
 				newImg.attr({id: previewId, filter: 'url(#grayscale_filter)', 'data-serveurl': url});
@@ -436,9 +438,7 @@ $(function(){
 			} else {
 				destHeightMM = destWidthMM / aspectRatio;
 			}
-			var destWidthPT = self.mm2svgUnits(destWidthMM);
-			var destHeightPT = self.mm2svgUnits(destHeightMM);
-			return [destWidthPT, destHeightPT];
+			return [destWidthMM, destHeightMM];
 		};
 
 		self.getDocumentDimensionsInPt = function(doc_width, doc_height, doc_viewbox){
@@ -579,18 +579,17 @@ $(function(){
 		self.draw_coord_grid = function(){
 			var grid = snap.select('#coordGrid');
 			if(grid.attr('fill') === 'none'){
-				var w = self.mm2svgUnits(self.workingAreaWidthMM());
-				var h = self.mm2svgUnits(self.workingAreaHeightMM());
+				var w = self.workingAreaWidthMM();
+				var h = self.workingAreaHeightMM();
 				var max_lines = 20;
 
 				var linedistMM = Math.floor(Math.max(self.workingAreaWidthMM(), self.workingAreaHeightMM()) / (max_lines * 10))*10;
-				var yPatternOffset = self.mm2svgUnits(self.workingAreaHeightMM() % linedistMM);
-				var linedist = self.mm2svgUnits(linedistMM);
+				var yPatternOffset = self.workingAreaHeightMM() % linedistMM;
+				var linedist = linedistMM;
 
-				var marker = snap.circle(linedist/2, linedist/2, 1).attr({
+				var marker = snap.circle(linedist/2, linedist/2, 0.3).attr({
 					fill: "#000000",
-					stroke: "none",
-					strokeWidth: 1
+					stroke: "none"
 				});
 
 				// dot pattern

src/octoprint/server/api/files.py

@@ -462,8 +462,6 @@ def gcodeConvertCommand():
 #			#r.headers["Location"] = location
 #			#return r
 
-
-		
 	if command == "convert":
 		# TODO stripping non-ascii is a hack - svg contains lots of non-ascii in <text> tags. Fix this!
 		import re
@@ -518,7 +516,7 @@ def gcodeConvertCommand():
 			del data["profile"]
 		else:
 			profile = None
-##
+
 		if "printerProfile" in data.keys() and data["printerProfile"]:
 			printerProfile = data["printerProfile"]
 			del data["printerProfile"]
@@ -548,34 +546,41 @@ def gcodeConvertCommand():
 		for key in override_keys:
 			overrides[key[len("profile."):]] = data[key]
 
-		def slicing_done(target, gcode_name, select_after_slicing, print_after_slicing, append_these_files):
-			# append additioal gcodes
+		if data.has_key('gcodedata'):
 			output_path = fileManager.path_on_disk(target, gcode_name)
-			with open(output_path,'ab') as wfd:
-				for f in append_these_files:
-					path = fileManager.path_on_disk(f['origin'], f['name'])
-					wfd.write( "\n; "+ f['name'] + "\n")
+			with open(output_path,'wb') as wfd:
+				for line in data['gcodedata']:
+					wfd.write(line)
+			eventManager.fire(Events.SLICING_DONE, {"stl": filename, "gcode": gcode_name, "gcode_location": target, "time": 1.0})
+		else:
+			def slicing_done(target, gcode_name, select_after_slicing, print_after_slicing, append_these_files):
+				# append additioal gcodes
+				output_path = fileManager.path_on_disk(target, gcode_name)
+				with open(output_path,'ab') as wfd:
+					for f in append_these_files:
+						path = fileManager.path_on_disk(f['origin'], f['name'])
+						wfd.write( "\n; "+ f['name'] + "\n")
 
-					with open(path,'rb') as fd:
-						shutil.copyfileobj(fd, wfd, 1024*1024*10)
+						with open(path,'rb') as fd:
+							shutil.copyfileobj(fd, wfd, 1024*1024*10)
 
-					wfd.write( "\nM05\n") # ensure that the laser is off.
+						wfd.write( "\nM05\n") # ensure that the laser is off.
 
-			if select_after_slicing or print_after_slicing:
-				sd = False
-				filenameToSelect = fileManager.path_on_disk(target, gcode_name)
-				printer.select_file(filenameToSelect, sd, True)
+				if select_after_slicing or print_after_slicing:
+					sd = False
+					filenameToSelect = fileManager.path_on_disk(target, gcode_name)
+					printer.select_file(filenameToSelect, sd, True)
 
-		try:
-			fileManager.slice(slicer, target, filename, target, gcode_name, 
-							  profile=profile,
-			                  printer_profile_id=printerProfile,
-			                  position=position,
-							  overrides=overrides, 
-							  callback=slicing_done, 
-							  callback_args=[target, gcode_name, select_after_slicing, print_after_slicing, appendGcodeFiles])
-		except octoprint.slicing.UnknownProfile:
-			return make_response("Profile {profile} doesn't exist".format(**locals()), 400)
+			try:
+				fileManager.slice(slicer, target, filename, target, gcode_name,
+								  profile=profile,
+								  printer_profile_id=printerProfile,
+								  position=position,
+								  overrides=overrides,
+								  callback=slicing_done,
+								  callback_args=[target, gcode_name, select_after_slicing, print_after_slicing, appendGcodeFiles])
+			except octoprint.slicing.UnknownProfile:
+				return make_response("Profile {profile} doesn't exist".format(**locals()), 400)
 
 		files = {}
 		location = url_for(".readGcodeFile", target=target, filename=gcode_name, _external=True)

src/octoprint/templates/mrbeam_index.jinja2

@@ -287,6 +287,9 @@
 											backgroundPosition: crosshairX()+'px'+' '+crosshairY()+'px',
 											width: workingAreaWidthPx()+'px',
 											height: workingAreaHeightPx()+'px'
+										},
+										attr: {
+										    viewBox: '0 0 '+workingAreaWidthMM()+' '+workingAreaHeightMM()
 										}
 									 ">
 									<filter id="grayscale_filter">
@@ -304,25 +307,23 @@
 										<text
 											xml:space="preserve"
 											data-bind="visible: working_area_empty"
-											style="font-size:64px;font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#DDDDDD;fill-opacity:1;stroke:none;font-family:DIN-BoldAlternate, Helvetica, Arial, Sans-serif;"
+											style="font-size:12px;font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#DDDDDD;fill-opacity:1;stroke:none;font-family:DIN-BoldAlternate, Helvetica, Arial, Sans-serif;"
 											x="396.81018"
 											y="552.36218"
 											id="add_designs_hint"
 											>
 										<tspan
-											  id="tspan2987" x="368.571426" y="532.36218"
-											  style="text-anchor:middle;text-align:center">add designs via </tspan>
+											  id="tspan2987" x="60" y="60"
+											  style="text-anchor:left;text-align:center">add designs via </tspan>
 										<tspan
-											  x="500" y="592.36218" id="tspan2989"
-											  style="text-anchor:middle;text-align:center">the design library </tspan>
+											  x="70" y="75" id="tspan2989"
+											  style="text-anchor:left;text-align:center">the design library </tspan>
 										<tspan
-											  x="568.571426" y="652.36218" id="tspan2993"
-											  style="text-anchor:middle;text-align:center">or drag 'n' drop </tspan>
-										<tspan
-											  x="368.571426" y="712.36218" id="tspan2991"
-											  style="text-anchor:middle;text-align:center" /></text>
-										<g id="placedGcodes" data-bind="visible: !state.isPrinting() && !state.isPaused(), attr: { transform: scaleMatrixMMtoDisplay() }"></g>
-										<g id="gCodePreview" data-bind="visible: state.isPrinting() || state.isPaused(), attr: { transform: scaleMatrixMMtoDisplay() }"></g>
+											  x="80" y="90" id="tspan2993"
+											  style="text-anchor:left;text-align:center">or drag 'n' drop </tspan>
+										</text>
+										<g id="placedGcodes" data-bind="visible: !state.isPrinting() && !state.isPaused()"></g>
+										<g id="gCodePreview" data-bind="visible: state.isPrinting() || state.isPaused()"></g>
 										<rect data-bind="click: move_laser"
 											  id="coordGrid" x="0" y="0" width="0" height="0"
 											  stroke="none" fill="none"></rect>