JKQTMathText: added \c \\dashuline{X}, \c \\dotuline{X}, \c \\underleftarrow{X}, \c \\underrightarrow{X}, \c \\underleftrightarrow{X}, \c \\overleftarrow{X}, \c \\overrightarrow{X}, \c \\overleftrightarrow{X}

JKQTMathText: corrected linewidths for decorations

doc/dox/jkqtmathtext_supportedlatex.dox

@@ -42,8 +42,10 @@
         .
       - \c \\script{...} \c \\textscript{...} \c \\mathscript{...} :  draw the contained text in a script font face \image html jkqtmathtext/jkqtmathtext_fonts.png
       - \c \\sc{...} : draw the text in small caps \image html jkqtmathtext/jkqtmathtext_sc.png
-      - \c \\ul{...} \c \\underline{...} \c \\underlined{...} : draw the text with underlining \image html jkqtmathtext/jkqtmathtext_ul.png
+      - \c \\ul{...} , \c \\underline{...} , \c \\uline{...} \c \\underlined{...} : draw the text with underlining \image html jkqtmathtext/jkqtmathtext_ul.png
       - \c \\uul{...} : draw the text with double-underlining \image html jkqtmathtext/jkqtmathtext_uul.png
+      - \c \\dashuline{...} : draw the text with dashed underlining \image html jkqtmathtext/jkqtmathtext_dashuline.png
+      - \c \\dotuline{...} : draw the text with dotted underlining \image html jkqtmathtext/jkqtmathtext_dotuline.png
       - \c \\ol{...} \c \\overline{...} \c \\overlined{...} : draw the text with overlining \image html jkqtmathtext/jkqtmathtext_ol.png
       - \c \\ool{...} : draw the text with double-overlining \image html jkqtmathtext/jkqtmathtext_ool.png
       - \c \\tt{...} \c \\texttt{...} \c \\mathtt{...} : draw text in typewriter font \image html jkqtmathtext/jkqtmathtext_fonts.png

doc/dox/whatsnew.dox

@@ -72,6 +72,8 @@ Changes, compared to  \ref page_whatsnew_V4_0_0 "v4.0.0" include:
     <li>NEW: added \c \\snugshade{...} </li>
     <li>NEW: added \c \\snugbox{...} </li>
     <li>NEW: added \c \\acute{X}, \c \\grave{X}, \c \\acute{X}</li>
+    <li>NEW: added \c \\dashuline{X}, \c \\dotuline{X}</li>
+    <li>NEW: added \c \\underleftarrow{X}, \c \\underrightarrow{X}, \c \\underleftrightarrow{X}, \c \\overleftarrow{X}, \c \\overrightarrow{X}, \c \\overleftrightarrow{X}</li>
     <li>NEW: added functions to set the font-size in pixels (as alternative to the existing functions that set them in points), implements request <a href="https://github.com/jkriege2/JKQtPlotter/issues/76">#76</a> from <a href="https://github.com/igormironchik">user:igormironchik</a> </li>
     <li>NEW: added \c \\userfont{SystemFontName}{Text} instruction</li>
     <li>NEW: added \c \\unicode{HEX} and \c \\utfeight{HEX} instruction to draw unicide characters by code</li>

doc/jkqtmathtext_docimages_accents.jkmt

@@ -56,6 +56,30 @@ $\widehat{x}\widehat{i}\widehat{X}\widehat{\psi}\widehat{abc}$
 MTDwidetilde.png
 $\widetilde{x}\widetilde{i}\widetilde{X}\widetilde{\psi}\widetilde{abc}$
 ---
+MTDoverleftarrow.png
+$\overleftarrow{x}\overleftarrow{i}\overleftarrow{X}\overleftarrow{\psi}\overleftarrow{abc}$
+---
+MTDoverrightarrow.png
+$\overrightarrow{x}\overrightarrow{i}\overrightarrow{X}\overrightarrow{\psi}\overrightarrow{abc}$
+---
+MTDoverleftrightarrow.png
+$\overleftrightarrow{x}\overleftrightarrow{i}\overleftrightarrow{X}\overleftrightarrow{\psi}\overleftrightarrow{abc}$
+---
+MTDunderleftarrow.png
+$\underleftarrow{x}\underleftarrow{i}\underleftarrow{X}\underleftarrow{\psi}\underleftarrow{abc}$
+---
+MTDunderrightarrow.png
+$\underrightarrow{x}\underrightarrow{i}\underrightarrow{X}\underrightarrow{\psi}\underrightarrow{abc}$
+---
+MTDunderleftrightarrow.png
+$\underleftrightarrow{x}\underleftrightarrow{i}\underleftrightarrow{X}\underleftrightarrow{\psi}\underleftrightarrow{abc}$
+---
+MTDunderlineDashed.png
+\dashuline{dashed underlined}, math: $\dashuline{abc}$
+---
+MTDunderlineDotted.png
+\dotuline{dotted underlined}, math: $\dotuline{abc}$
+---
 jkqtmathtext_mathdeco.png
 $\vec{x}\ \dot{x}\ \ddot{x}\ \overline{x}\ \underline{x}\ \hat{x}\ \tilde{x}\ \uul{x}\ \ool{x}\ \bar{x}\ \arrow{x}\ \widehat{x}\ \widetilde{x}\ ...$
 ---
@@ -83,4 +107,8 @@ jkqtmathtext_mathaccents.png
 {\backslash}uul\{A\}: & $\uul{A}\uul{a}$ & {\backslash}ool\{A\}: & $\ool{A}\ool{a}$ \\
 {\backslash}ocirc\{A\}: & $\ocirc{A}\ocirc{a}$ & {\backslash}breve\{A\}: & $\breve{A}\breve{a}$ \\
 {\backslash}arrow\{A\}: & $\arrow{A}\arrow{a} & & \\
+{\backslash}overleftarrow\{A\}: & $\overleftarrow{A}\overleftarrow{a} & {\backslash}overrightarrow\{A\}: & $\overrightarrow{A}\overrightarrow{a} \\
+{\backslash}overleftrightarrow\{A\}: & $\overleftrightarrow{A}\overleftrightarrow{a} &  &\\
+{\backslash}underleftarrow\{A\}: & $\underleftarrow{A}\underleftarrow{a} & {\backslash}underrightarrow\{A\}: & $\underrightarrow{A}\underrightarrow{a} \\
+{\backslash}underleftrightarrow\{A\}: & $\underleftrightarrow{A}\underleftrightarrow{a} &  &\\
 \end{array}

doc/jkqtmathtext_docimages_formating.jkmt

@@ -43,6 +43,12 @@ jkqtmathtext_bb_unicode_or_simulate.png
 jkqtmathtext_ol.png
 {\backslash}ol: \ol{overlined text}
 ---
+jkqtmathtext_dashuline.png
+{\backslash}dashuline: \dashuline{underlined text}
+---
+jkqtmathtext_dotuline.png
+{\backslash}dotuline: \dotuline{underlined text}
+---
 jkqtmathtext_ool.png
 {\backslash}ool: \ool{double-overlined text}
 ---

lib/jkqtmathtext/nodes/jkqtmathtextdecoratednode.cpp

@@ -86,6 +86,22 @@ QString JKQTMathTextDecoratedNode::DecorationType2String(JKQTMathTextDecoratedNo
             return "xcancel";
         case MTDstrike:
             return "strike";
+        case MTDoverleftarrow:
+            return "overleftarrow";
+        case MTDoverrightarrow:
+            return "overrightarrow";
+        case MTDoverleftrightarrow:
+            return "overleftrightarrow";
+        case MTDunderleftarrow:
+            return "underleftarrow";
+        case MTDunderrightarrow:
+            return "underrightarrow";
+        case MTDunderleftrightarrow:
+            return "underleftrightarrow";
+        case MTDunderlineDashed:
+            return "underlineDashed";
+        case MTDunderlineDotted:
+            return "MTDunderlineDotted";
     }
     return "unknown";
 }
@@ -135,10 +151,12 @@ void JKQTMathTextDecoratedNode::getSizeInternal(QPainter& painter, JKQTMathTextE
     double ascent=cbaselineHeight;
     if (decoration==MTDbar) {
         ascent=std::max<double>(baselineHeight+decoSeparation, decoAboveAscent_ypos)+linewidth/2.0;
-    } else if (decoration==MTDunderline) {
+    } else if (decoration==MTDunderline || decoration==MTDunderlineDashed || decoration==MTDunderlineDotted) {
         descent=std::max<double>(decobelow_ypos, cDescent)+linewidth/2.0;
     } else if (decoration==MTDdoubleunderline) {
-        descent=std::max<double>(decobelow_ypos, cDescent)+2.5*linewidth;
+        descent=std::max<double>(decobelow_ypos, cDescent)+3.5*linewidth;
+    } else if (decoration==MTDunderleftarrow || decoration==MTDunderrightarrow || decoration==MTDunderleftrightarrow) {
+        descent=std::max<double>(decobelow_ypos, cDescent)+0.5*linewidth+deco_height;
     } else {
         ascent=deco_ypos+deco_height;
     }
@@ -161,6 +179,8 @@ void JKQTMathTextDecoratedNode::fillInstructions()
     instructions["underline"]=MTDunderline;
     instructions["uline"]=MTDunderline;
     instructions["ul"]=MTDunderline;
+    instructions["dashuline"]=MTDunderlineDashed;
+    instructions["dotuline"]=MTDunderlineDotted;
     instructions["uuline"]=MTDdoubleunderline;
     instructions["uul"]=MTDdoubleunderline;
     instructions["ooline"]=MTDdoubleoverline;
@@ -195,6 +215,13 @@ void JKQTMathTextDecoratedNode::fillInstructions()
     instructions["strike"]=MTDstrike;
     instructions["st"]=MTDstrike;
     instructions["sout"]=MTDstrike;
+    instructions["overleftarrow"]=MTDoverleftarrow;
+    instructions["overrightarrow"]=MTDoverrightarrow;
+    instructions["overleftrightarrow"]=MTDoverleftrightarrow;
+    instructions["underleftarrow"]=MTDunderleftarrow;
+    instructions["underrightarrow"]=MTDunderrightarrow;
+    instructions["underleftrightarrow"]=MTDunderleftrightarrow;
+
 }
 
 double JKQTMathTextDecoratedNode::draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize* /*prevNodeSize*/) {
@@ -210,6 +237,7 @@ double JKQTMathTextDecoratedNode::draw(QPainter& painter, double x, double y, JK
     const double width_dot=fm.boundingRect(".").width()/2.0;
     const double decoSeparation=parentMathText->getDecorationSeparationFactor()*fm.ascent();
     const double linewidth=qMax(parentMathText->ABS_MIN_LINEWIDTH, fm.lineWidth());
+    const double linewidthArrow=linewidth*0.65;
     const double deco_height=parentMathText->getDecorationHeightFactor()*fm.ascent();
     const double decoAboveAscent_ypos=y-fm.ascent()-decoSeparation;
     const double strike_ypos=y-cbaselineHeight/2.0;
@@ -236,10 +264,16 @@ double JKQTMathTextDecoratedNode::draw(QPainter& painter, double x, double y, JK
     QPen pold=painter.pen();
     QPen p=pold;
     p.setColor(ev.color);
-    p.setWidthF(linewidth*0.75);
+    p.setWidthF(linewidthArrow);
-    p.setCapStyle(Qt::RoundCap);
+    p.setCapStyle(Qt::SquareCap);
     p.setJoinStyle(Qt::RoundJoin);
 
+    QPen pul=p;
+    pul.setWidthF(linewidth);
+    pul.setCapStyle(Qt::SquareCap);
+
+
+
     double xnew=getChild()->draw(painter, x, y, ev);
 
     auto fDrawFontAccent=[&](QChar aDirect=QChar(), QChar aFallback=QChar()) -> bool {
@@ -289,32 +323,34 @@ double JKQTMathTextDecoratedNode::draw(QPainter& painter, double x, double y, JK
         painter.drawPolyline(poly);
         painter.setPen(pold);
     } else if (decoration==MTDoverline) {
-        painter.setPen(p);
+        painter.setPen(pul);
         const QLineF l(decotop_xstart, deco_ytopbot, decotop_xend, deco_ytopbot);
         if (l.length()>0) painter.drawLine(l);
         painter.setPen(pold);
     } else if (decoration==MTDbar) {
-        painter.setPen(p);
+        painter.setPen(pul);
         const QLineF l(decotop_xstart, decoAboveAscent_ypos, decotop_xend, decoAboveAscent_ypos);
         if (l.length()>0) painter.drawLine(l);
         painter.setPen(pold);
     } else if (decoration==MTDdoubleoverline) {
-        painter.setPen(p);
+        painter.setPen(pul);
         const QLineF l(decotop_xstart, deco_ytopbot, decotop_xend, deco_ytopbot);
         if (l.length()>0) painter.drawLine(l);
-        const QLineF l2(decotop_xstart, deco_ytopbot-3.0*p.widthF(), decotop_xend, deco_ytopbot-3.0*p.widthF());
+        const QLineF l2(decotop_xstart, deco_ytopbot-2.5*pul.widthF(), decotop_xend, deco_ytopbot-2.5*pul.widthF());
         if (l2.length()>0) painter.drawLine(l2);
         painter.setPen(pold);
-    } else if (decoration==MTDunderline) {
+    } else if (decoration==MTDunderline || decoration==MTDunderlineDashed || decoration==MTDunderlineDotted) {
-        painter.setPen(p);
+        if (decoration==MTDunderlineDashed) pul.setStyle(Qt::DashLine);
+        if (decoration==MTDunderlineDotted) pul.setStyle(Qt::DotLine);
+        painter.setPen(pul);
         const QLineF l(decobot_xstart, decobelow_ypos, decobot_xend, decobelow_ypos);
         if (l.length()>0) painter.drawLine(l);
         painter.setPen(pold);
     } else if (decoration==MTDdoubleunderline) {
-        painter.setPen(p);
+        painter.setPen(pul);
         const QLineF l(decobot_xstart, decobelow_ypos, decobot_xend, decobelow_ypos);
         if (l.length()>0) painter.drawLine(l);
-        QLineF l2(decobot_xstart, decobelow_ypos+3.0*p.widthF(), decobot_xend, decobelow_ypos+3.0*p.widthF());
+        QLineF l2(decobot_xstart, decobelow_ypos+2.5*pul.widthF(), decobot_xend, decobelow_ypos+2.5*pul.widthF());
         if (l2.length()>0) painter.drawLine(l2);
         painter.setPen(pold);
     } else if (decoration==MTDarrow) {
@@ -325,6 +361,36 @@ double JKQTMathTextDecoratedNode::draw(QPainter& painter, double x, double y, JK
         poly<<QPointF(decotop_xend-deco_vecwidth, deco_ytopbot)<<QPointF(decotop_xend, deco_ytopcenter)<<QPointF(decotop_xend-deco_vecwidth, deco_ytoptop);
         painter.drawPolyline(poly);
         painter.setPen(pold);
+    } else if (decoration==MTDoverrightarrow) {
+        painter.setPen(p);
+        const QPainterPath path=JKQTMathTextMakeArrow(decotop_xstart, deco_ytopcenter, deco_width, deco_height, false, true);
+        painter.drawPath(path);
+        painter.setPen(pold);
+    } else if (decoration==MTDoverleftarrow) {
+        painter.setPen(p);
+        const QPainterPath path=JKQTMathTextMakeArrow(decotop_xstart, deco_ytopcenter, deco_width, deco_height, true, false);
+        painter.drawPath(path);
+        painter.setPen(pold);
+    } else if (decoration==MTDoverleftrightarrow) {
+        painter.setPen(p);
+        const QPainterPath path=JKQTMathTextMakeArrow(decotop_xstart, deco_ytopcenter, deco_width, deco_height, true, true);
+        painter.drawPath(path);
+        painter.setPen(pold);
+    } else if (decoration==MTDunderrightarrow) {
+        painter.setPen(p);
+        const QPainterPath path=JKQTMathTextMakeArrow(decobot_xstart, decobelow_ypos+deco_height/2.0, decobot_xend-decobot_xstart, deco_height, false, true);
+        painter.drawPath(path);
+        painter.setPen(pold);
+    } else if (decoration==MTDunderleftarrow) {
+        painter.setPen(p);
+        const QPainterPath path=JKQTMathTextMakeArrow(decobot_xstart, decobelow_ypos+deco_height/2.0, decobot_xend-decobot_xstart, deco_height, true, false);
+        painter.drawPath(path);
+        painter.setPen(pold);
+    } else if (decoration==MTDunderleftrightarrow) {
+        painter.setPen(p);
+        const QPainterPath path=JKQTMathTextMakeArrow(decobot_xstart, decobelow_ypos+deco_height/2.0, decobot_xend-decobot_xstart, deco_height, true, true);
+        painter.drawPath(path);
+        painter.setPen(pold);
     } else if (decoration==MTDhat) {
         if (!fDrawFontAccent(QChar(0x302), QChar(0x2c6))) {
             painter.setPen(p);
@@ -378,13 +444,13 @@ double JKQTMathTextDecoratedNode::draw(QPainter& painter, double x, double y, JK
         }
     } else if (decoration==MTDacute) {
         if (!fDrawFontAccent(QChar(0x301), QChar(0x2CA))) {
-            painter.setPen(p);
+            painter.setPen(pul);
             painter.drawLine(QLineF(decotop_xcenter, deco_ytopbot, decotop_xcenter-deco_accentwidth, deco_ytopcenter));
             painter.setPen(pold);
         }
     } else if (decoration==MTDgrave) {
         if (!fDrawFontAccent(QChar(0x300), QChar(0x2CB))) {
-            painter.setPen(p);
+            painter.setPen(pul);
             painter.drawLine(QLineF(decotop_xcenter, deco_ytopbot, decotop_xcenter+deco_accentwidth, deco_ytopcenter));
             painter.setPen(pold);
         }
@@ -438,22 +504,22 @@ double JKQTMathTextDecoratedNode::draw(QPainter& painter, double x, double y, JK
             painter.setBrush(bold);
         }
     } else if (decoration==MTDstrike) {
-        painter.setPen(p);
+        painter.setPen(pul);
         const QLineF l((decotop_xstart+decobot_xstart)/2.0, strike_ypos, (decotop_xend+decobot_xend)/2.0, strike_ypos);
         if (l.length()>0) painter.drawLine(l);
         painter.setPen(pold);
     } else if (decoration==MTDcancel) {
-        painter.setPen(p);
+        painter.setPen(pul);
         const QLineF l(decobot_xstart, decobelow_ypos, decotop_xend, deco_ytopbot);
         if (l.length()>0) painter.drawLine(l);
         painter.setPen(pold);
     } else if (decoration==MTDbcancel) {
-        painter.setPen(p);
+        painter.setPen(pul);
         const QLineF l(decobot_xstart, deco_ytopbot, decotop_xend, decobelow_ypos);
         if (l.length()>0) painter.drawLine(l);
         painter.setPen(pold);
     } else if (decoration==MTDxcancel) {
-        painter.setPen(p);
+        painter.setPen(pul);
         const QLineF l(decobot_xstart, deco_ytopbot, decotop_xend, decobelow_ypos);
         if (l.length()>0) painter.drawLine(l);
         const QLineF l1(decobot_xstart, decobelow_ypos, decotop_xend, deco_ytopbot);

lib/jkqtmathtext/nodes/jkqtmathtextdecoratednode.h

@@ -57,7 +57,9 @@ class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextDecoratedNode: public JKQTMathTextSing
             MTDoverline,  /*!< \brief overline over block \image html jkqtmathtext/MTDoverline.png */
             MTDdoubleoverline,  /*!< \brief double overline over block \image html jkqtmathtext/MTDdoubleoverline.png */
             MTDunderline,  /*!< \brief underline under block \image html jkqtmathtext/MTDunderline.png */
-            MTDdoubleunderline,  /*!< \brief double underline under block \image html jkqtmathtext/MTDdoubleunderline.png */
+            MTDunderlineDashed,  /*!< \brief dashed line under block \image html jkqtmathtext/MTDunderlineDashed.png */
+            MTDunderlineDotted,  /*!< \brief dotted line under block \image html jkqtmathtext/MTDunderlineDotted.png */
+            MTDdoubleunderline,  /*!< \brief double line under block \image html jkqtmathtext/MTDdoubleunderline.png */
             MTDtilde,  /*!< \brief small tilde over block \image html jkqtmathtext/MTDtilde.png */
             MTDwidetilde,  /*!< \brief full width tilde over block \image html jkqtmathtext/MTDwidetilde.png */
             MTDacute,  /*!< \brief small acute accent over block \image html jkqtmathtext/MTDacute.png */
@@ -65,7 +67,13 @@ class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextDecoratedNode: public JKQTMathTextSing
             MTDcancel,  /*!< \brief cancel text with sloped line \image html jkqtmathtext/MTDcancel.png */
             MTDbcancel,  /*!< \brief cancel text with backward sloped line \image html jkqtmathtext/MTDbcancel.png */
             MTDxcancel,  /*!< \brief cancel text with X \image html jkqtmathtext/MTDxcancel.png */
-            MTDstrike  /*!< \brief strikethrough text \image html jkqtmathtext/MTDstrike.png */
+            MTDstrike,  /*!< \brief strikethrough text \image html jkqtmathtext/MTDstrike.png */
+            MTDoverleftarrow,  /*!< \brief left-pointing arrow over everything text \image html jkqtmathtext/MTDoverleftarrow.png */
+            MTDoverrightarrow,  /*!< \brief right-pointing arrow over everything text \image html jkqtmathtext/MTDoverrightarrow.png */
+            MTDoverleftrightarrow,  /*!< \brief left/right-pointing arrow over everything text \image html jkqtmathtext/MTDoverleftrightarrow.png */
+            MTDunderleftarrow,  /*!< \brief left-pointing arrow under everything text \image html jkqtmathtext/MTDunderleftarrow.png */
+            MTDunderrightarrow,  /*!< \brief right-pointing arrow under everything text \image html jkqtmathtext/MTDunderrightarrow.png */
+            MTDunderleftrightarrow,  /*!< \brief left/right-pointing arrow under everything text \image html jkqtmathtext/MTDunderleftrightarrow.png */
         };
         /** \brief convert a DecorationType into a string
          */