1 files changed, 83 insertions, 1 deletions
diff --git a/src/util.cpp b/src/util.cpp
index 304f9e7..75cfa76 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -21,7 +21,7 @@
 
 qreal bezierInterpolate(qreal dist, qreal c0, qreal c1, qreal c2, qreal c3) {
     qreal distp = 1 - dist;
-    return	(distp*distp*distp) * c0 +
+    return  (distp*distp*distp) * c0 +
             3 * (distp*distp) * dist * c1 +
             3 * (dist*dist) * distp * c2 +
             (dist*dist*dist) * c3;
@@ -80,3 +80,85 @@ QString floatToString(qreal f) {
     else return QString::number(f);
 }
 
+
+static QList<QString> texConstantNames;
+static QList<QString> texConstantCodes;
+static QList<QString> texModifierNames;
+
+
+void initTexConstants() {
+    texConstantNames
+        << "\\alpha"  << "\\beta"  << "\\gamma" << "\\delta"   << "\\epsilon"
+        << "\\zeta"   << "\\eta"   << "\\theta" << "\\iota"    << "\\kappa"
+        << "\\lambda" << "\\mu"    << "\\nu"    << "\\xi"      << "\\pi"
+        << "\\rho"    << "\\sigma" << "\\tau"   << "\\upsilon" << "\\phi"
+        << "\\chi"    << "\\psi"   << "\\omega"
+
+        << "\\Gamma"  << "\\Delta" << "\\Theta"   << "\\Lambda" << "\\Xi"
+        << "\\Pi"     << "\\Sigma" << "\\Upsilon" << "\\Phi"    << "\\Psi"
+        << "\\Omega"
+
+        << "\\pm" << "\\to" << "\\Rightarrow" << "\\Leftrightarrow" << "\\forall"
+        << "\\partial" << "\\exists" << "\\emptyset" << "\\nabla" << "\\in"
+        << "\\notin" << "\\prod" << "\\sum" << "\\surd" << "\\infty"
+        << "\\wedge" << "\\vee" << "\\cap" << "\\cup" << "\\int"
+        << "\\approx" << "\\neq" << "\\equiv" << "\\leq" << "\\geq"
+        << "\\subset" << "\\supset"
+
+        << "\\ldots" << "\\vdots" << "\\cdots" << "\\ddots" << "\\iddots"
+        << "\\cdot";
+
+    texConstantCodes
+        << "\u03b1" << "\u03b2" << "\u03b3" << "\u03b4" << "\u03b5"
+        << "\u03b6" << "\u03b7" << "\u03b8" << "\u03b9" << "\u03ba"
+        << "\u03bb" << "\u03bc" << "\u03bd" << "\u03be" << "\u03c0"
+        << "\u03c1" << "\u03c3" << "\u03c4" << "\u03c5" << "\u03c6"
+        << "\u03c7" << "\u03c8" << "\u03c9"
+
+        << "\u0393" << "\u0394" << "\u0398" << "\u039b" << "\u039e"
+        << "\u03a0" << "\u03a3" << "\u03a5" << "\u03a6" << "\u03a8"
+        << "\u03a9"
+
+        << "\u00b1" << "\u2192" << "\u21d2" << "\u21d4" << "\u2200"
+        << "\u2202" << "\u2203" << "\u2205" << "\u2207" << "\u2208"
+        << "\u2209" << "\u220f" << "\u2211" << "\u221a" << "\u221e"
+        << "\u2227" << "\u2228" << "\u2229" << "\u222a" << "\u222b"
+        << "\u2248" << "\u2260" << "\u2261" << "\u2264" << "\u2265"
+        << "\u2282" << "\u2283"
+
+        << "\u2026" << "\u22ee" << "\u22ef" << "\u22f1" << "\u22f0"
+        << "\u22c5";
+
+    texModifierNames
+        << "\\tiny"
+        << "\\scriptsize"
+        << "\\footnotesize"
+        << "\\small"
+        << "\\normalsize"
+        << "\\large"
+        << "\\Large"
+        << "\\LARGE"
+        << "\\huge"
+        << "\\Huge";
+}
+
+QString replaceTexConstants(QString s) {
+    QString s1 = s;
+    for (int i = 0; i < texConstantNames.length(); ++i) {
+        s1 = s1.replace(texConstantNames[i], texConstantCodes[i]);
+    }
+
+    for (int i = 0; i < texModifierNames.length(); ++i) {
+        s1 = s1.replace(texModifierNames[i], "");
+    }
+
+    if (s1.startsWith('$') && s1.endsWith('$')) {
+        s1 = s1.mid(1, s1.length()-2);
+    }
+
+    return s1;
+}
+
+
+
+