suzanne.soy/scribble-mathjax
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Replace getW with a better version, and avoid offsetHeight in placeBox when posible. Make some IE bugs dependent on mode (since IE9 doesn't need them)

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This commit is contained in:
Davide P. Cervone 2011-08-31 12:40:30 -04:00
parent 0fbba16dbe
commit b62847c57e
1 changed files with 31 additions and 25 deletions
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56
unpacked/jax/output/HTML-CSS/jax.js
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@ -234,7 +234,7 @@
visibility: "hidden", position:"fixed",
width: 0, height: 0, overflow:"hidden"
},
".MathJax_Processed": {display:"none"},
".MathJax_Processed": {display:"none!important"},
".MathJax_ExBox": {
display:"block", overflow:"hidden",
@ -563,25 +563,26 @@
return HD;
},
getW: function (span) {
var W = span.offsetWidth, w = (span.bbox ? span.bbox.w: -1), start = span;
if ((w < 0 || this.negativeSkipBug) && W >= 0) {
// IE can't deal with a space at the beginning, so put something else first
if (this.negativeSkipBug) {
var position = span.style.position; span.style.position = "absolute";
start = this.startMarker;
if (span.firstChild) {span.insertBefore(start,span.firstChild)}
else {span.appendChild(start)}
start = this.startMarker;
}
span.appendChild(this.endMarker);
W = this.endMarker.offsetLeft - start.offsetLeft;
span.removeChild(this.endMarker);
if (this.negativeSkipBug) {
span.removeChild(start);
span.style.position = position;
var W, w, span;
if (this.negativeBBoxes) {W = span.offsetWidth}
else {
w = (span.bbox||{w:0}).w; start = span;
if (w < 0 && this.msieNegativeBBoxBug) {W = -span.offsetWidth}
else {
// IE can't deal with a space at the beginning, so put something else first
if (this.negativeSkipBug) {
var position = span.style.position; span.style.position = "absolute";
start = this.startMarker;
if (span.firstChild) {span.insertBefore(start,span.firstChild)}
else {span.appendChild(start)}
start = this.startMarker;
}
span.appendChild(this.endMarker);
W = this.endMarker.offsetLeft - start.offsetLeft;
span.removeChild(this.endMarker);
if (this.negativeSkipBug) {span.removeChild(start); span.style.position = position}
}
}
//debug([Math.round(span.bbox.w*this.em),span.offsetWidth,W,span.offsetWidth-W,span.innerText])
return W/this.em;
},
Measured: function (span,parent) {
@ -745,8 +746,10 @@
if (this.msiePlaceBoxBug) {this.addText(span,this.NBSP)}
if (this.imgSpaceBug) {this.addText(span,this.imgSpace)}
// Place the box
var HH = span.offsetHeight/this.em + 1, dx = 0;
if (span.noAdjust) {HH -= 1} else {
var HH, dx = 0;
if (bbox && this.msieNoHeightBug) {HH = Math.max(5,bbox.h+bbox.d)} else {HH = span.offsetHeight/this.em}
if (!span.noAdjust) {
HH += 1;
if (this.msieInlineBlockAlignBug) {
this.addElement(span,"img",{className:"MathJax_strut",border:0,src:"about:blank",style:{width:0,height:this.Em(HH)}});
} else {
@ -946,7 +949,7 @@
positionDelimiter: function (span,h) {
h -= span.bbox.h; span.bbox.d -= h; span.bbox.h += h;
if (h) {
if (this.safariVerticalAlignBug || this.msieVerticalAlignBug || this.konquerorVerticalAlignBug ||
if (this.safariVerticalAlignBug || this.konquerorVerticalAlignBug ||
(this.operaVerticalAlignBug && span.isMultiChar)) {
if (span.firstChild.style.display === "" && span.style.top !== "")
{span = span.firstChild; h -= parseFloat(span.style.top)}
@ -2196,19 +2199,20 @@
msieRelativeWidthBug: quirks,
msieDisappearingBug: (mode >= 8), // inline math disappears
msieMarginScaleBug: (mode < 8), // margins are not scaled properly by font-size
msieMarginWidthBug: true,
msiePaddingWidthBug: true,
msieCharPaddingWidthBug: (isIE8 && !quirks),
msieBorderWidthBug: quirks,
msieInlineBlockAlignBug: (!isIE8 || quirks),
msieVerticalAlignBug: (isIE8 && !quirks),
msiePlaceBoxBug: (isIE8 && !quirks),
msieClipRectBug: !isIE8,
hideProcessedMath: true, // use display:none until all math is processed
msieNegativeSpaceBug: quirks,
negativeSkipBug: true,
negativeSkipBug: (mode < 8), // confused by initial negative margin
msieNegativeBBoxBug: (mode >= 8), // negative bboxes have positive widths
msieNoHeightBug: true,//(mode >= 8), // don't compute offsetHeight in placeBox
msieIE6: !isIE7,
msieItalicWidthBug: true,
zeroWidthBug: true,
zeroWidthBug: (mode < 8),
FontFaceBug: true,
msieFontCSSBug: browser.isIE9,
allowWebFonts: "eot"
@ -2250,6 +2254,7 @@
rfuzz: .05,
AccentBug: true,
AdjustSurd: true,
negativeBBoxes: true,
safariContextMenuBug: true,
safariNegativeSpaceBug: true,
safariVerticalAlignBug: !v3p1,
@ -2270,6 +2275,7 @@
rfuzz: .05,
AccentBug: true,
AdjustSurd: true,
negativeBBoxes: true,
allowWebFonts: (browser.versionAtLeast("4.0") ? "otf" : "svg"),
safariNegativeSpaceBug: true,
safariWebFontSerif: [""]