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Merge branch 'font-fixes' into develop. Issue mathjax#501 and others.
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dpvc committed Mar 14, 2014
2 parents d553f18 + cfb40e9 commit 3c602eb
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Showing 2 changed files with 110 additions and 67 deletions.
158 changes: 102 additions & 56 deletions unpacked/jax/output/HTML-CSS/jax.js
Expand Up @@ -38,50 +38,56 @@

var FONTTEST = MathJax.Object.Subclass({
timeout: (isMobile? 15:8)*1000, // timeout for loading web fonts

FontInfo: {
STIX: {family: "STIXSizeOneSym", testString: "() {} []"},
TeX: {family: "MathJax_Size1", testString: "() {} []"},
//
// These are the new web fonts. The strange use of single quotes is because the
// testing routine adds quotes at the beginning and ending, so for this list of
// names, we need to take those into account. We need a list because the names are
// not handled consistently between Mac and Windows in the font data, as they are
// in the TeX and original STIX fonts (sigh).
//
"STIX-Web": {family: "STIX MathJax Size1','STIXMathJax_Size1-Regular", testString: "() {} []"},
"Asana-Math": {family: "Asana MathJax Size1','AsanaMathJax_Size1-Regular'", testString: "() {} []"},
"Gyre-Pagella": {family: "Gyre Pagella MathJax Size1','GyrePagellaMathJax_Size1-Regular", testString: "() {} []"},
"Gyre-Termes": {family: "Gyre Termes MathJax Size1','GyreTermesMathJax_Size1-Regular", testString: "() {} []"},
"Latin-Modern": {family: "Latin Modern MathJax Size1','LatinModernMathJax_Size1-Regular", testString: "() {} []"},
"Neo-Euler": {family: "Neo Euler MathJax Size1','NeoEulerMathJax_Size1-Regular", testString: "() {} []"}
},
comparisonFont: ["sans-serif","monospace","script","Times","Courier","Arial","Helvetica"],
testSize: ["40px","50px","60px","30px","20px"],
//
// Fedora aliases STIXSizeOneSym to STIX Word, so MathJax thinks STIX is
// available, but the fonts aren't actually correct. This is to test if
// STIXSizeOneSym has letters in it (so is actually STIX Word).
//
FedoraSTIXcheck: {family:"STIXSizeOneSym", testString:"abcABC", noStyleChar:true},

Init: function () {
this.div = MathJax.HTML.addElement(document.body,"div",{
id: "MathJax_Font_Test",
style: {position:"absolute", visibility:"hidden", top:0, left:0, width: "auto",
padding:0, border:0, margin:0, whiteSpace:"nowrap",
textAlign:"left", textIndent:0, textTransform:"none",
lineHeight:"normal", letterSpacing:"normal", wordSpacing:"normal",
fontSize:this.testSize[0], fontWeight:"normal", fontStyle:"normal",
fontSizeAdjust:"none"}
},[""]);
//
// Wrap the Font_Test DIV in a 0x0 DIV so that it takes no room
//
this.div = MathJax.HTML.addElement(document.body,"div",{style: {
position:"absolute", width:0, height:0, overflow:"hidden",
padding:0, border:0, margin:0
}},[["div",{
id: "MathJax_Font_Test",
style: {position:"absolute", visibility:"hidden", top:0, left:0, width: "auto",
padding:0, border:0, margin:0, whiteSpace:"nowrap",
textAlign:"left", textIndent:0, textTransform:"none",
lineHeight:"normal", letterSpacing:"normal", wordSpacing:"normal",
fontSize:this.testSize[0], fontWeight:"normal", fontStyle:"normal",
fontSizeAdjust:"none"}
},[""]]]
).firstChild;
this.text = this.div.firstChild;
},

findFont: function (fonts,pref) {
if (pref && this.testCollection(pref)) {return pref}
for (var i = 0, m = fonts.length; i < m; i++) {
if (fonts[i] === pref) continue;
if (this.testCollection(fonts[i])) {return fonts[i]}
var found = null;
if (pref && this.testCollection(pref)) {
found = pref;
} else {
for (var i = 0, m = fonts.length; i < m; i++) {
if (fonts[i] === pref) continue;
if (this.testCollection(fonts[i])) {found = fonts[i]; break}
}
}
return null;
if (found === "STIX" && this.testFont(this.FedoraSTIXcheck)) {found = null}
return found;
},

testCollection: function (name) {return this.testFont(this.FontInfo[name])},
testCollection: function (name) {
var font = {testString: "() {} []"};
font.family = {TeX:"MathJax_Size1", STIX:"STIXSizeOneSym"}[name] ||
name.replace(/-(Math)?/,"")+"MathJax_Size1";
if (name === "STIX") {font.noStyleChar = true}
return this.testFont(font);
},

testFont: function (font) {
if (font.isWebFont && HTMLCSS.FontFaceBug) {
Expand All @@ -90,12 +96,28 @@
this.div.style.fontWeight = (font.weight||"normal");
this.div.style.fontStyle = (font.style||"normal");
}
//
// Hack: Fix up web font names for local access.
// (The names for Windows and Mac are different, unlike in the STIX and
// TeX fonts, so we have to work out a list of names here.)
//
// This should be removed when the web fonts are fixed. FIXME
//
var family = font.familyFixed || font.family;
if (!family.match(/^(STIX|MathJax)|'/)) {
family = family.replace(/_/g," ").replace(/([a-z])([A-Z])/g,"$1 $2").replace(/ Jax/,"Jax")
+ "','" + family + "','" + family + "-";
if (font.weight) {family += "Bold"}; if (font.style) {family += "Italic"}
if (!font.weight && !font.style) {family += "Regular"}
font.familyFixed = family = "'"+family+"'"
}

var W = this.getComparisonWidths(font.testString,font.noStyleChar);
var found = null;
if (W) {
this.div.style.fontFamily = "'"+font.family+"',"+this.comparisonFont[0];
this.div.style.fontFamily = family+","+this.comparisonFont[0];
if (this.div.offsetWidth == W[0]) {
this.div.style.fontFamily = "'"+font.family+"',"+this.comparisonFont[W[2]];
this.div.style.fontFamily = family+","+this.comparisonFont[W[2]];
if (this.div.offsetWidth == W[1]) {found = false}
}
if (found === null && (this.div.offsetWidth != W[3] || this.div.offsetHeight != W[4])) {
Expand Down Expand Up @@ -341,27 +363,43 @@
maxStretchyParts: 1000, // limit the number of parts allowed for
// stretchy operators. See issue 366.

fontName: {
TeXLocal: "TeX",
TeXWeb: ["","TeX"],
TeXImage: ["",""],
STIXLocal: ["STIX","STIX-Web"],
STIXWeb: "STIX-Web",
AsanaMathWeb: "Asana-Math",
GyrePagellaWeb: "Gyre-Pagella",
GyreTermesWeb: "Gyre-Termes",
LatinModernWeb: "Latin-Modern",
NeoEulerWeb: "Neo-Euler"
},

Config: function () {
if (!this.require) {this.require = []}
this.Font = FONTTEST();
this.SUPER(arguments).Config.call(this); var settings = this.settings;
if (this.adjustAvailableFonts) {this.adjustAvailableFonts(this.config.availableFonts)}
if (settings.scale) {this.config.scale = settings.scale}
if (settings.font && settings.font !== "Auto") {
if (settings.font === "TeXLocal") {this.config.availableFonts = ["TeX"]; this.config.preferredFont = "TeX"; this.config.webFont = "TeX"}
else if (settings.font === "TeXWeb") {this.config.availableFonts = []; this.config.preferredFont = ""; this.config.webFont = "TeX"}
else if (settings.font === "TeXimage") {this.config.availableFonts = []; this.config.preferredFont = ""; this.config.webFont = ""}
else if (settings.font === "STIXlocal") {this.config.availableFonts = ["STIX"]; this.config.preferredFont = "STIX"; this.config.webFont = "STIX-Web"}
else if (settings.font === "STIXWeb") {this.config.availableFonts = []; this.config.preferredFont = ""; this.config.webFont = "STIX-Web"}
else if (settings.font === "AsanaMathWeb") {this.config.availableFonts = []; this.config.preferredFont = ""; this.config.webFont = "Asana-Math"}
else if (settings.font === "GyrePagellaWeb") {this.config.availableFonts = []; this.config.preferredFont = ""; this.config.webFont = "Gyre-Pagella"}
else if (settings.font === "GyreTermesWeb") {this.config.availableFonts = []; this.config.preferredFont = ""; this.config.webFont = "Gyre-Termes"}
else if (settings.font === "LatinModernWeb") {this.config.availableFonts = []; this.config.preferredFont = ""; this.config.webFont = "Latin-Modern"}
else if (settings.font === "NeoEulerWeb") {this.config.availableFonts = []; this.config.preferredFont = ""; this.config.webFont = "Neo-Euler"}
}
var font = this.Font.findFont(this.config.availableFonts,this.config.preferredFont);
if (!font && this.allowWebFonts) {font = this.config.webFont; if (font) {this.webFonts = true}}
if (!font && this.config.imageFont) {font = this.config.imageFont; this.imgFonts = true}
this.Font = FONTTEST(); this.SUPER(arguments).Config.call(this);
var settings = this.settings, config = this.config, font = settings.font;
if (this.adjustAvailableFonts) {this.adjustAvailableFonts(config.availableFonts)}
if (settings.scale) {config.scale = settings.scale}
if (font && font !== "Auto" && this.fontName[font]) {
config.availableFonts = []; delete config.fonts;
if (this.fontName[font] instanceof Array) {
config.preferredFont = this.fontName[font][0];
config.webFont = this.fontName[font][1];
} else {
config.preferredFont = config.webFont = this.fontName[font];
}
if (config.preferredFont) {config.availableFonts[0] = config.preferredFont}
}
if (config.fonts) {
config.availableFonts = config.fonts;
config.preferredFont = config.webFont = config.fonts[0];
if (config.webFont === "STIX") {config.webFont += "-Web"}
}
font = this.Font.findFont(config.availableFonts,config.preferredFont);
if (!font && this.allowWebFonts) {font = config.webFont; if (font) {this.webFonts = true}}
if (!font && this.config.imageFont) {font = config.imageFont; this.imgFonts = true}
if (font) {
this.fontInUse = font; this.fontDir += "/" + font; this.webfontDir += "/" + font;
this.require.push(this.fontDir+"/fontdata.js");
Expand Down Expand Up @@ -451,6 +489,8 @@
// Safari/Windows doesn't display Plane1,
// so disable STIX for these browsers.
//
// ### FIXME ### Do we need to disable the other web fonts for these?
//
for (var i = 0, m = fonts.length; i < m; i++)
{if (fonts[i] === "STIX") {fonts.splice(i,1); m--; i--;}}
if (this.config.preferredFont === "STIX") {this.config.preferredFont = fonts[0]}
Expand Down Expand Up @@ -756,8 +796,14 @@
initHTML: function (math,span) {},
initFont: function (name) {
var FONTS = HTMLCSS.FONTDATA.FONTS, AVAIL = HTMLCSS.config.availableFonts;
if (AVAIL && AVAIL.length && HTMLCSS.Font.testFont(FONTS[name]))
{FONTS[name].available = true; return null}
if (AVAIL && AVAIL.length && HTMLCSS.Font.testFont(FONTS[name])) {
FONTS[name].available = true;
if (FONTS[name].familyFixed) {
FONTS[name].family = FONTS[name].familyFixed;
delete FONTS[name].familyFixed;
}
return null;
}
if (!this.allowWebFonts) {return null}
FONTS[name].isWebFont = true;
if (HTMLCSS.FontFaceBug) {
Expand Down
19 changes: 8 additions & 11 deletions unpacked/jax/output/SVG/jax.js
Expand Up @@ -102,18 +102,15 @@
hideProcessedMath: true, // use display:none until all math is processed

Config: function () {
var settings = HUB.config.menuSettings;
if (settings.scale) {this.config.scale = settings.scale}
this.SUPER(arguments).Config.apply(this,arguments);
this.fontInUse = this.config.font;
if (settings.font && settings.font !== "Auto") {
if (settings.font === "TeXWeb") {this.fontInUse = "TeX"}
else if (settings.font === "STIXWeb") {this.fontInUse = "STIX-Web"}
else if (settings.font === "AsanaMathWeb") {this.fontInUse = "Asana-Math"}
else if (settings.font === "GyrePagellaWeb") {this.fontInUse = "Gyre-Pagella"}
else if (settings.font === "GyreTermesWeb") {this.fontInUse = "Gyre-Termes"}
else if (settings.font === "LatinModernWeb") {this.fontInUse = "Latin-Modern"}
else if (settings.font === "NeoEulerWeb") {this.fontInUse = "Neo-Euler"}
var settings = HUB.config.menuSettings, config = this.config, font = settings.font;
if (settings.scale) {config.scale = settings.scale}
if (font && font !== "Auto") {
font = font.replace(/(Local|Web|Image)$/i,"");
font = font.replace(/([a-z])([A-Z])/,"$1-$2");
this.fontInUse = font;
} else {
this.fontInUse = config.font || "TeX";
}
this.fontDir += "/" + this.fontInUse;
if (!this.require) {this.require = []}
Expand Down

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