Fix - correctly handle #font[id] in latex

While this means embedding of the font, style and weight must be enforced

Author: linev

modules/base/FontHandler.mjs

@@ -70,6 +70,11 @@ class FontHandler {
       this.painter = painter;
    }
 
+   /** @summary Force setting of style and weight, used in latex */
+   setUseFullStyle(flag) {
+      this.full_style = flag;
+   }
+
    /** @summary Assigns font-related attributes */
    addCustomFontToSvg(svg) {
       if (!this.base64 || !this.name)
@@ -96,8 +101,8 @@ class FontHandler {
       selection.attr('font-family', this.name)
                .attr('font-size', this.size)
                .attr('xml:space', 'preserve')
-               .attr('font-weight', this.weight || null)
-               .attr('font-style', this.style || null);
+               .attr('font-weight', this.weight || (this.full_style ? 'normal' : null))
+               .attr('font-style', this.style || (this.full_style ? 'normal' : null));
    }
 
    /** @summary Set font size (optional) */

modules/base/latex.mjs

@@ -903,6 +903,7 @@ function parseLatex(node, arg, label, curr) {
             subpos.color = curr.painter.getColor(foundarg);
          else if (found.name === '#font[') {
             subpos.font = new FontHandler(foundarg);
+            subpos.font.setUseFullStyle(true); // while embedding - need to enforce full style
             subpos.ufont = true; // mark that custom font is applied
          } else
             subpos.fsize *= foundarg;