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Handle stretchy bases in mmultiscripts

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This commit is contained in:
Davide P. Cervone 2015-03-21 07:16:46 -04:00
parent 51742a79cc
commit ed7807ac36
1 changed files with 30 additions and 10 deletions
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30
unpacked/jax/output/CommonHTML/autoload/mmultiscripts.js
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@ -32,20 +32,28 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
MML.mmultiscripts.Augment({ MML.mmultiscripts.Augment({
toCommonHTML: function (node,stretch) { toCommonHTML: function (node,stretch) {
if (!stretch) {
node = this.CHTMLcreateNode(node); node = this.CHTMLcreateNode(node);
this.CHTMLhandleStyle(node); this.CHTMLhandleStyle(node);
this.CHTMLhandleScale(node); this.CHTMLhandleScale(node);
this.CHTMLgetVariant(); this.CHTMLgetVariant();
}
CHTML.BBOX.empty(this.CHTML); CHTML.BBOX.empty(this.CHTML);
// //
// Get base node // Get base node
// //
var base, bbox;
if (stretch) {
base = node.getElementsByTagName("mjx-base")[0];
} else {
this.CHTMLaddChild(node,0,{type:"mjx-base", noBBox:true, forceChild:true}); this.CHTMLaddChild(node,0,{type:"mjx-base", noBBox:true, forceChild:true});
var base = node.firstChild, bbox = this.CHTMLbboxFor(0); base = node.firstChild;
}
bbox = this.CHTMLbboxFor(0);
if (bbox.ic) { if (bbox.ic) {
bbox.R -= bbox.ic; // remove IC (added by mo and mi) bbox.R -= bbox.ic; // remove IC (added by mo and mi)
base.style.marginRight = CHTML.Em(-bbox.ic); if (!stretch) base.style.marginRight = CHTML.Em(-bbox.ic);
delta = 1.3*bbox.ic + .05; // make faked IC be closer to expeted results delta = 1.3*bbox.ic + .05; // make faked IC be closer to expeted results
} }
@ -53,10 +61,10 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
// Collect scripts into horizontal boxes and add them into the node // Collect scripts into horizontal boxes and add them into the node
// //
var BOX = {}, BBOX = {}; var BOX = {}, BBOX = {};
this.CHTMLgetScripts(BOX,BBOX,stretch); this.CHTMLgetScripts(BOX,BBOX,stretch,node);
var sub = BOX.sub, sup = BOX.sup, presub = BOX.presub, presup = BOX.presup; var sub = BOX.sub, sup = BOX.sup, presub = BOX.presub, presup = BOX.presup;
var sbox = BBOX.sub, Sbox = BBOX.sup, pbox = BBOX.presub, Pbox = BBOX.presup; var sbox = BBOX.sub, Sbox = BBOX.sup, pbox = BBOX.presub, Pbox = BBOX.presup;
this.CHTMLaddBoxes(node,base,BOX); if (!stretch) this.CHTMLaddBoxes(node,base,BOX);
// //
// Get the initial values for the variables // Get the initial values for the variables
@ -127,7 +135,19 @@ MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
// Get the subscript, superscript, presubscript, and presuperscript // Get the subscript, superscript, presubscript, and presuperscript
// boxes, with proper spacing, and computer their bounding boxes. // boxes, with proper spacing, and computer their bounding boxes.
// //
CHTMLgetScripts: function (BOX,BBOX,stretch) { CHTMLgetScripts: function (BOX,BBOX,stretch,node) {
if (stretch) {
BOX.sub = node.getElementsByTagName("mjx-sub")[0];
BOX.sup = node.getElementsByTagName("mjx-sup")[0];
BOX.presub = node.getElementsByTagName("mjx-presub")[0];
BOX.presup = node.getElementsByTagName("mjx-presup")[0];
BBOX.sub = this.CHTMLbbox.sub;
BBOX.sup = this.CHTMLbbox.sup;
BBOX.presub = this.CHTMLbbox.presub;
BBOX.presup = this.CHTMLbbox.presup;
return;
}
this.CHTMLbbox = BBOX; // save for when stretched
var state = {i:1, w:0, BOX:BOX, BBOX:BBOX}, m = this.data.length; var state = {i:1, w:0, BOX:BOX, BBOX:BBOX}, m = this.data.length;
var sub = "sub", sup = "sup"; var sub = "sub", sup = "sup";
while (state.i < m) { while (state.i < m) {