fix pdf export issue. #124 and #254

editor/jspdf/jspdf.plugin.svgToPdf.js

@@ -179,13 +179,31 @@ const svgElementToPdf = function (element, pdf, options) {
         ? parseInt(node.getAttribute('font-size'), 10)
         : 16;
 
-      const box = node.getBBox();
+      const getWidth = (node) => {
+        let box;
+        try{
+          box = node.getBBox(); //Firefox on MacOS will raise error here
+        }catch(err){
+          //copy and append to body so that getBBox is available
+          let nodeCopy = node.cloneNode(true);
+          let svg = node.ownerSVGElement.cloneNode(false);
+          svg.appendChild(nodeCopy);
+          document.body.appendChild(svg);
+          try{
+            box = nodeCopy.getBBox();
+          }catch(err){
+            box = {width: 0};
+          }
+          document.body.removeChild(svg);
+        }
+        return box.width;
+      };
       // FIXME: use more accurate positioning!!
       let x, y, xOffset = 0;
       if (node.hasAttribute('text-anchor')) {
         switch (node.getAttribute('text-anchor')) {
-        case 'end': xOffset = box.width; break;
-        case 'middle': xOffset = box.width / 2; break;
+        case 'end': xOffset = getWidth(node); break;
+        case 'middle': xOffset = getWidth(node) / 2; break;
         case 'start': break;
         case 'default': node.setAttribute('text-anchor', 'start'); break;
         }

editor/svg-editor.js

@@ -3382,15 +3382,6 @@ editor.init = function () {
   svgCanvas.bind('saved', saveHandler);
   svgCanvas.bind('exported', exportHandler);
   svgCanvas.bind('exportedPDF', function (win, data) {
-    const {exportWindowName} = data;
-    if (exportWindowName) {
-      exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
-    }
-    if (!exportWindow || exportWindow.closed) {
-      $.alert(uiStrings.notification.popupWindowBlocked);
-      return;
-    }
-    exportWindow.location.href = data.output;
   });
   svgCanvas.bind('zoomed', zoomChanged);
   svgCanvas.bind('zoomDone', zoomDone);
@@ -4208,10 +4199,7 @@ editor.init = function () {
         exportWindow = window.open(popURL, exportWindowName);
       }
       if (imgType === 'PDF') {
-        if (!customExportPDF) {
-          openExportWindow();
-        }
-        svgCanvas.exportPDF(exportWindowName);
+        svgCanvas.exportPDF(exportWindowName, 'save');
       } else {
         if (!customExportImage) {
           openExportWindow();

editor/svgcanvas.js

@@ -4015,7 +4015,7 @@ this.exportPDF = function (exportWindowName, outputType, cb) {
     //  opposed to opening a new tab
     outputType = outputType || 'dataurlstring';
     const obj = {svg, issues, issueCodes, exportWindowName, outputType};
-    obj.output = doc.output(outputType);
+    obj.output = doc.output(outputType, outputType === 'save' ? 'Download.pdf' : void 0);
     if (cb) {
       cb(obj);
     }