diff options
Diffstat (limited to 'src/util.cpp')
-rw-r--r-- | src/util.cpp | 84 |
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; +} + + + + |