1 files changed, 119 insertions, 1 deletions
diff --git a/src/util.cpp b/src/util.cpp
index 304f9e7..b9c87b2 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 +80,121 @@ 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"
+        << "\\cdot"
+        << "\\ldots";
+
+    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" << "\u22c5" <<
+        "\u2026";
+
+    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;
+}
+
+
+
+