www

commit 3d68051118c4d0c5aaa76f797b27166527671da8
parent 4cf38304ac3ce1af0c53cde79bfeee1da8a77033
Author: Davide P. Cervone <dpvc@union.edu>
Date:   Fri, 14 Feb 2014 10:02:06 -0500

Only set width to full for top-level math elements, and make svg.Align() handle expanding the box to accommodate larger lines.  Resolves issue #391.

Diffstat:
M
unpacked/jax/output/SVG/autoload/multiline.js
 | 
7
+++++--
M
unpacked/jax/output/SVG/jax.js
 | 
11
+++++++++++

2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/unpacked/jax/output/SVG/autoload/multiline.js b/unpacked/jax/output/SVG/autoload/multiline.js
@@ -86,10 +86,13 @@ MathJax.Hub.Register.StartupHook("SVG Jax Ready",function () {
       //
       //  Start with a fresh SVG element
       //  and make it full width if we are breaking to a specific width
+      //    in the top-level math element
       //
       svg = this.SVG();
-      if (SVG.linebreakWidth < SVG.BIGDIMEN) {svg.w = SVG.linebreakWidth}
-        else {svg.w = SVG.cwidth/SVG.em * 1000}
+      if (isTop && parent.type !== "mtd") {
+        if (SVG.linebreakWidth < SVG.BIGDIMEN) {svg.w = SVG.linebreakWidth}
+          else {svg.w = SVG.cwidth/SVG.em * 1000}
+      }
 
       var state = {
             n: 0, Y: 0,
diff --git a/unpacked/jax/output/SVG/jax.js b/unpacked/jax/output/SVG/jax.js
@@ -858,6 +858,17 @@
     },
     Align: function (svg,align,dx,dy) {
       dx = ({left: dx, center: (this.w - svg.w)/2, right: this.w - svg.w - dx})[align] || 0;
+      //
+      //  If we extend to the left of the current contents,
+      //    move the contents to the right and adjust the bounding box
+      //
+      if (dx < 0) {
+        if (this.element.childNodes.length) {
+          this.element.setAttribute("transform","translate("+Math.floor(-dx)+",0)");
+          var g = SVG.Element("g"); g.appendChild(this.element); this.element = g;
+        }
+        this.l -= dx; this.w -= dx; this.r -= dx; dx = 0;
+      }
       this.Add(svg,dx,dy);
     },
     Clean: function () {