suzanne.soy/scribble-math
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Put off moving math in containers with display:none from the hidden div where they are typeset to their proper locations until AFTER they have been remeasured. Resolves issue #1179.

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This commit is contained in:
Davide P. Cervone 2015-04-30 13:44:03 -04:00
parent 9995bf3fda
commit 242c9356f5
1 changed files with 13 additions and 6 deletions
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19
unpacked/jax/output/HTML-CSS/jax.js
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@ -539,7 +539,7 @@
},
preTranslate: function (state) {
var scripts = state.jax[this.id], i, m = scripts.length,
var scripts = state.jax[this.id], i, m = scripts.length, n,
script, prev, span, div, test, jax, ex, em, scale, maxwidth, relwidth = false, cwidth,
linebreak = this.config.linebreaks.automatic, width = this.config.linebreaks.width;
if (linebreak) {
@ -590,7 +590,10 @@
//
// Determine the scaling factors for each script
// (this only requires one reflow rather than a reflow for each equation)
// Record any that need to be hidden (don't move them now, since that
// would cause reflows).
//
var hidden = [];
for (i = 0; i < m; i++) {
script = scripts[i]; if (!script.parentNode) continue;
test = script.previousSibling; div = test.previousSibling;
@ -601,8 +604,7 @@
if (relwidth) {maxwidth = cwidth}
if (ex === 0 || ex === "NaN") {
// can't read width, so move to hidden div for processing
// (this will cause a reflow for each math element that is hidden)
this.hiddenDiv.appendChild(div);
hidden.push(div);
jax.HTMLCSS.isHidden = true;
ex = this.defaultEx; em = this.defaultEm; cwidth = this.defaultWidth;
if (relwidth) {maxwidth = cwidth}
@ -614,6 +616,10 @@
jax.HTMLCSS.cwidth = cwidth/this.em;
jax.HTMLCSS.lineWidth = (linebreak ? this.length2em(width,1,maxwidth/this.em) : 1000000);
}
for (i = 0, n = hidden.length; i < n; i++) {
this.hiddenDiv.appendChild(hidden[i]);
this.addElement(this.hiddenDiv,"br");
}
//
// Remove the test spans used for determining scales and linebreak widths
//
@ -676,9 +682,8 @@
}
this.restorePreview(script);
//
// Put it in place, remove the processing marker, and signal the new math
// Remove the processing marker, and signal the new math pending
//
if (jax.HTMLCSS.isHidden) {script.parentNode.insertBefore(div,script)}
div.className = div.className.split(/ /)[0] + " MathJax_Processed";
HUB.signal.Post(["New Math Pending",jax.inputID]); // FIXME: wait for this? (i.e., restart if returns uncalled callback)
//
@ -732,7 +737,8 @@
for (i = state.HTMLCSSlast, m = state.HTMLCSSeqn; i < m; i++) {
script = scripts[i];
if (script && script.MathJax.elementJax) {
script.previousSibling.className = script.previousSibling.className.split(/ /)[0];
var div = script.MathJax.elementJax.HTMLCSS.div;
div.className = div.className.split(/ /)[0];
if (script.MathJax.preview) {script.MathJax.preview.innerHTML = ""}
}
}
@ -757,6 +763,7 @@
//
jax = script.MathJax.elementJax; this.getMetrics(jax);
jax.root.toHTML(jax.HTMLCSS.span,jax.HTMLCSS.div,this.PHASE.III);
if (jax.HTMLCSS.isHidden) script.parentNode.insertBefore(jax.HTMLCSS.div,script);
delete jax.HTMLCSS.span; delete jax.HTMLCSS.div;
//
// The math is now fully processed