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JKQTMathText: moved some node-specific enums into the node classes

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jkriege2 2022-06-09 20:32:16 +02:00
parent b5418d3ad7
commit c8ef57bb66
8 changed files with 199 additions and 200 deletions
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4
examples/jkqtmathtext_test/testform.cpp
View File

@ -331,7 +331,7 @@ QTreeWidgetItem *TestForm::createTree(JKQTMathTextNode *node, QTreeWidgetItem* p
else ti=new QTreeWidgetItem(ui->tree); else ti=new QTreeWidgetItem(ui->tree);
if (decoN) { if (decoN) {
name=QString("MTdecoratedNode: mode='%1'").arg(JKQTMathTextDecorationToString(decoN->getDecoration())); name=QString("MTdecoratedNode: mode='%1'").arg(JKQTMathTextDecoratedNode::DecorationType2String(decoN->getDecoration()));
if (decoN->getChild()) ti->addChild(createTree(decoN->getChild(), ti)); if (decoN->getChild()) ti->addChild(createTree(decoN->getChild(), ti));
} else if (matrixN) { } else if (matrixN) {
int l=matrixN->getLines(); int l=matrixN->getLines();
@ -348,7 +348,7 @@ QTreeWidgetItem *TestForm::createTree(JKQTMathTextNode *node, QTreeWidgetItem* p
} }
} }
} else if (fracN) { } else if (fracN) {
name=QString("MTfracNode: mode='%1'").arg(JKQTMathTextFracModeToString(fracN->getMode())); name=QString("MTfracNode: mode='%1'").arg(JKQTMathTextFracNode::FracType2String(fracN->getMode()));
if (fracN->getChild1()) ti->addChild(createTree(fracN->getChild1(), ti)); if (fracN->getChild1()) ti->addChild(createTree(fracN->getChild1(), ti));
if (fracN->getChild2()) ti->addChild(createTree(fracN->getChild2(), ti)); if (fracN->getChild2()) ti->addChild(createTree(fracN->getChild2(), ti));
} else if (sqrtN) { } else if (sqrtN) {

66
lib/jkqtmathtext/jkqtmathtext.cpp
View File

@ -974,67 +974,67 @@ JKQTMathTextNode* JKQTMathText::parseLatexString(bool get, const QString& quitOn
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMfrac)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMfrac));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="dfrac" || name=="cfrac") { } else if (name=="dfrac" || name=="cfrac") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMdfrac)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMdfrac));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="sfrac" || name=="slantfrac" || name=="xfrac") { } else if (name=="sfrac" || name=="slantfrac" || name=="xfrac") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMsfrac)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMsfrac));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="stfrac" || name=="nicefrac" || name=="slanttextfrac" || name=="xtfrac") { } else if (name=="stfrac" || name=="nicefrac" || name=="slanttextfrac" || name=="xtfrac") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMstfrac)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMstfrac));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="tfrac") { } else if (name=="tfrac") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMtfrac)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMtfrac));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="stackrel") { } else if (name=="stackrel") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMstackrel)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMstackrel));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="binom") { } else if (name=="binom") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextBraceNode(this, "(", ")", new JKQTMathTextFracNode(this, n1, n2, MTFMstackrel))); if (n1 && n2) nl->addNode(new JKQTMathTextBraceNode(this, "(", ")", new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMstackrel)));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="underbrace") { } else if (name=="underbrace") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMunderbrace)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMunderbrace));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="underset") { } else if (name=="underset") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMunderset)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMunderset));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="overbrace") { } else if (name=="overbrace") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMoverbrace)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMoverbrace));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="overset") { } else if (name=="overset") {
JKQTMathTextNode* n1=parseLatexString(true); JKQTMathTextNode* n1=parseLatexString(true);
JKQTMathTextNode* n2=nullptr; JKQTMathTextNode* n2=nullptr;
if (getToken()==MTTopenbrace) n2=parseLatexString(true); if (getToken()==MTTopenbrace) n2=parseLatexString(true);
if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, MTFMoverset)); if (n1 && n2) nl->addNode(new JKQTMathTextFracNode(this, n1, n2, JKQTMathTextFracNode::MTFMoverset));
else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name)); else error_list.append(tr("error @ ch. %1: expected two arguments in '{' braces after '%2' command").arg(currentTokenID).arg(name));
} else if (name=="begin") { } else if (name=="begin") {
if (getToken()==MTTtext) { if (getToken()==MTTtext) {
@ -1092,47 +1092,47 @@ JKQTMathTextNode* JKQTMathText::parseLatexString(bool get, const QString& quitOn
getNew=true; getNew=true;
} }
} else if (name=="vec") { } else if (name=="vec") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDvec, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDvec, parseLatexString(true)));
} else if (name=="overline"||name=="oline"||name=="ol") { } else if (name=="overline"||name=="oline"||name=="ol") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDoverline, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDoverline, parseLatexString(true)));
} else if (name=="underline"||name=="uline"||name=="ul") { } else if (name=="underline"||name=="uline"||name=="ul") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDunderline, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDunderline, parseLatexString(true)));
} else if (name=="uuline"||name=="uul") { } else if (name=="uuline"||name=="uul") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDdoubleunderline, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDdoubleunderline, parseLatexString(true)));
} else if (name=="ooline"||name=="ool") { } else if (name=="ooline"||name=="ool") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDdoubleoverline, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDdoubleoverline, parseLatexString(true)));
} else if (name=="arrow"||name=="overrightarrow"||name=="overarrow") { } else if (name=="arrow"||name=="overrightarrow"||name=="overarrow") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDarrow, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDarrow, parseLatexString(true)));
} else if (name=="hat" || name=="^") { } else if (name=="hat" || name=="^") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDhat, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDhat, parseLatexString(true)));
} else if (name=="widehat") { } else if (name=="widehat") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDwidehat, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDwidehat, parseLatexString(true)));
} else if (name=="check" || name=="v") { } else if (name=="check" || name=="v") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDcheck, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDcheck, parseLatexString(true)));
} else if (name=="widecheck") { } else if (name=="widecheck") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDwidecheck, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDwidecheck, parseLatexString(true)));
} else if (name=="bar") { } else if (name=="bar") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDbar, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDbar, parseLatexString(true)));
} else if (name=="dot" || name==".") { } else if (name=="dot" || name==".") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDdot, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDdot, parseLatexString(true)));
} else if (name=="ocirc") { } else if (name=="ocirc") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDocirc, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDocirc, parseLatexString(true)));
} else if (name=="tilde" || name=="~") { } else if (name=="tilde" || name=="~") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDtilde, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDtilde, parseLatexString(true)));
} else if (name=="breve" || name=="u") { } else if (name=="breve" || name=="u") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDbreve, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDbreve, parseLatexString(true)));
} else if (name=="widetilde") { } else if (name=="widetilde") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDwidetilde, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDwidetilde, parseLatexString(true)));
} else if (name=="ddot") { } else if (name=="ddot") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDddot, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDddot, parseLatexString(true)));
} else if (name=="cancel") { } else if (name=="cancel") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDcancel, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDcancel, parseLatexString(true)));
} else if (name=="xcancel") { } else if (name=="xcancel") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDxcancel, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDxcancel, parseLatexString(true)));
} else if (name=="bcancel") { } else if (name=="bcancel") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDbcancel, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDbcancel, parseLatexString(true)));
} else if (name=="strike" || name=="st" || name=="sout") { } else if (name=="strike" || name=="st" || name=="sout") {
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDstrike, parseLatexString(true))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDstrike, parseLatexString(true)));
} else { } else {
if (name=="textcolor" || name=="mathcolor" || name=="color" || name=="colorbox") { if (name=="textcolor" || name=="mathcolor" || name=="color" || name=="colorbox") {
bool foundError=true; bool foundError=true;
@ -1269,7 +1269,7 @@ JKQTMathTextNode* JKQTMathText::parseLatexString(bool get, const QString& quitOn
if (n0=='v' && n1.isLetter()) { if (n0=='v' && n1.isLetter()) {
done=true; done=true;
//std::cout<<"found \\v... command\n"; //std::cout<<"found \\v... command\n";
nl->addNode(new JKQTMathTextDecoratedNode(this, MTDvec, new JKQTMathTextTextNode(this, QString(n1), false, parsingMathEnvironment))); nl->addNode(new JKQTMathTextDecoratedNode(this, JKQTMathTextDecoratedNode::MTDvec, new JKQTMathTextTextNode(this, QString(n1), false, parsingMathEnvironment)));
} else if (n0=='c' && n1.isLetter()) { } else if (n0=='c' && n1.isLetter()) {
done=true; done=true;
//std::cout<<"found \\v... command\n"; //std::cout<<"found \\v... command\n";

76
lib/jkqtmathtext/jkqtmathtexttools.cpp
View File

@ -421,82 +421,6 @@ JKQTMathTextFontDefinition::JKQTMathTextFontDefinition():
QString JKQTMathTextFracModeToString(JKQTMathTextFracMode mode)
{
switch(mode) {
case MTFMfrac:
return "frac";
case MTFMdfrac:
return "dfrac";
case MTFMsfrac:
return "sfrac";
case MTFMstfrac:
return "stfrac";
case MTFMtfrac:
return "tfrac";
case MTFMunderbrace:
return "underbrace";
case MTFMoverbrace:
return "overbrace";
case MTFMunderset:
return "underset";
case MTFMoverset:
return "overset";
case MTFMstackrel:
return "stackrel";
}
return "unknown";
}
QString JKQTMathTextDecorationToString(JKQTMathTextDecoration mode)
{
switch(mode) {
case MTDvec:
return "vec";
case MTDtilde:
return "tilde";
case MTDbreve:
return "breve";
case MTDwidetilde:
return "widetilde";
case MTDhat:
return "hat";
case MTDwidehat:
return "widehat";
case MTDcheck:
return "check";
case MTDwidecheck:
return "widecheck";
case MTDocirc:
return "ocirc";
case MTDdot:
return "dot";
case MTDddot:
return "ddot";
case MTDbar:
return "bar";
case MTDarrow:
return "arrow";
case MTDoverline:
return "overline";
case MTDdoubleoverline:
return "double overline";
case MTDunderline:
return "underline";
case MTDdoubleunderline:
return "double underline";
case MTDcancel:
return "cancel";
case MTDbcancel:
return "bcancel";
case MTDxcancel:
return "xcancel";
case MTDstrike:
return "strike";
}
return "unknown";
}
QPainterPath JKQTMathTextMakeDArrow(double x, double y, double width, double arrowW, bool left, bool right) { QPainterPath JKQTMathTextMakeDArrow(double x, double y, double width, double arrowW, bool left, bool right) {
double x1=x; double x1=x;

55
lib/jkqtmathtext/jkqtmathtexttools.h
View File

@ -232,61 +232,6 @@ struct JKQTMATHTEXT_LIB_EXPORT JKQTMathTextFontDefinition {
JKQTMathTextFontEncoding symbolfontSymbolEncoding; JKQTMathTextFontEncoding symbolfontSymbolEncoding;
}; };
/** \brief type of ffractions represented by JKQTMathTextFracNode
* \ingroup jkqtmathtext
* \see JKQTMathTextFracNode, JKQTMathTextFracModeToString()
*/
enum JKQTMathTextFracMode {
MTFMfrac, /*!< \brief normal fraction \image html jkqtmathtext/MTFMfrac.png */
MTFMdfrac, /*!< \brief normal fraction, without scaling of under/over text \image html jkqtmathtext/MTFMdfrac.png */
MTFMtfrac, /*!< \brief text fraction (smaller than MTFMfrac) \image html jkqtmathtext/MTFMtfrac.png */
MTFMsfrac, /*!< \brief slanted fraction \image html jkqtmathtext/MTFMsfrac.png */
MTFMstfrac, /*!< \brief slanted text fraction \image html jkqtmathtext/MTFMstfrac.png */
MTFMunderbrace, /*!< \brief curly underbrace \image html jkqtmathtext/MTFMunderbrace.png */
MTFMoverbrace, /*!< \brief curly overbrace \image html jkqtmathtext/MTFMoverbrace.png */
MTFMstackrel, /*!< \brief binom/fraction without line \image html jkqtmathtext/MTFMstackrel.png */
MTFMunderset, /*!< \brief underset text \image html jkqtmathtext/MTFMunderset.png */
MTFMoverset /*!< \brief overset text \image html jkqtmathtext/MTFMoverset.png */
};
/** \brief convert a JKQTMathTextFracMode into a QString
* \ingroup jkqtmathtext
* \see JKQTMathTextFracMode
*/
JKQTMATHTEXT_LIB_EXPORT QString JKQTMathTextFracModeToString(JKQTMathTextFracMode mode);
/** \brief types of decoration available in a JKQTMathTextDecoratedNode
* \ingroup jkqtmathtext
*/
enum JKQTMathTextDecoration {
MTDvec, /*!< \brief vector arrow over block \image html jkqtmathtext/MTDvec.png */
MTDhat, /*!< \brief small hat over block \image html jkqtmathtext/MTDhat.png */
MTDwidehat, /*!< \brief full-width hat over block \image html jkqtmathtext/MTDwidehat.png */
MTDcheck, /*!< \brief small v over block \image html jkqtmathtext/MTDcheck.png */
MTDwidecheck, /*!< \brief full-width v over block \image html jkqtmathtext/MTDwidecheck.png */
MTDbreve, /*!< \brief small tilde over block \image html jkqtmathtext/MTDbreve.png */
MTDocirc, /*!< \brief single circle over block \image html jkqtmathtext/MTDocirc.png */
MTDdot, /*!< \brief single dot over block \image html jkqtmathtext/MTDvec.png */
MTDddot, /*!< \brief double dot over block \image html jkqtmathtext/MTDddot.png */
MTDbar, /*!< \brief bar over block \image html jkqtmathtext/MTDbar.png */
MTDarrow, /*!< \brief arrow over block \image html jkqtmathtext/MTDarrow.png */
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 */
MTDtilde, /*!< \brief small tilde over block \image html jkqtmathtext/MTDtilde.png */
MTDwidetilde, /*!< \brief full width tilde over block \image html jkqtmathtext/MTDwidetilde.png */
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 */
};
/** \brief convert a JKQTMathTextDecoration into a string
* \ingroup jkqtmathtext
*/
JKQTMATHTEXT_LIB_EXPORT QString JKQTMathTextDecorationToString(JKQTMathTextDecoration mode);
/** \brief create a QPainterPath for drawing horizontal braces /** \brief create a QPainterPath for drawing horizontal braces
* \ingroup jkqtmathtext * \ingroup jkqtmathtext

54
lib/jkqtmathtext/nodes/jkqtmathtextdecoratednode.cpp
View File

@ -37,8 +37,58 @@
QString JKQTMathTextDecoratedNode::DecorationType2String(JKQTMathTextDecoratedNode::DecorationType mode)
{
switch(mode) {
case MTDvec:
return "vec";
case MTDtilde:
return "tilde";
case MTDbreve:
return "breve";
case MTDwidetilde:
return "widetilde";
case MTDhat:
return "hat";
case MTDwidehat:
return "widehat";
case MTDcheck:
return "check";
case MTDwidecheck:
return "widecheck";
case MTDocirc:
return "ocirc";
case MTDdot:
return "dot";
case MTDddot:
return "ddot";
case MTDbar:
return "bar";
case MTDarrow:
return "arrow";
case MTDoverline:
return "overline";
case MTDdoubleoverline:
return "double overline";
case MTDunderline:
return "underline";
case MTDdoubleunderline:
return "double underline";
case MTDcancel:
return "cancel";
case MTDbcancel:
return "bcancel";
case MTDxcancel:
return "xcancel";
case MTDstrike:
return "strike";
}
return "unknown";
}
JKQTMathTextDecoratedNode::JKQTMathTextDecoratedNode(JKQTMathText* _parent, JKQTMathTextDecoration decoration, JKQTMathTextNode* child):
JKQTMathTextDecoratedNode::JKQTMathTextDecoratedNode(JKQTMathText* _parent, DecorationType decoration, JKQTMathTextNode* child):
JKQTMathTextSingleChildNode(child, _parent) JKQTMathTextSingleChildNode(child, _parent)
{ {
this->decoration=decoration; this->decoration=decoration;
@ -282,7 +332,7 @@ QString JKQTMathTextDecoratedNode::getTypeName() const
return "MTdecoratedNode"; return "MTdecoratedNode";
} }
JKQTMathTextDecoration JKQTMathTextDecoratedNode::getDecoration() const { JKQTMathTextDecoratedNode::DecorationType JKQTMathTextDecoratedNode::getDecoration() const {
return this->decoration; return this->decoration;
} }

35
lib/jkqtmathtext/nodes/jkqtmathtextdecoratednode.h
View File

@ -40,7 +40,36 @@ class JKQTMathText; // forward
*/ */
class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextDecoratedNode: public JKQTMathTextSingleChildNode { class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextDecoratedNode: public JKQTMathTextSingleChildNode {
public: public:
JKQTMathTextDecoratedNode(JKQTMathText* parent, JKQTMathTextDecoration decoration, JKQTMathTextNode* child); /** \brief types of decoration available in a JKQTMathTextDecoratedNode
*/
enum DecorationType {
MTDvec, /*!< \brief vector arrow over block \image html jkqtmathtext/MTDvec.png */
MTDhat, /*!< \brief small hat over block \image html jkqtmathtext/MTDhat.png */
MTDwidehat, /*!< \brief full-width hat over block \image html jkqtmathtext/MTDwidehat.png */
MTDcheck, /*!< \brief small v over block \image html jkqtmathtext/MTDcheck.png */
MTDwidecheck, /*!< \brief full-width v over block \image html jkqtmathtext/MTDwidecheck.png */
MTDbreve, /*!< \brief small tilde over block \image html jkqtmathtext/MTDbreve.png */
MTDocirc, /*!< \brief single circle over block \image html jkqtmathtext/MTDocirc.png */
MTDdot, /*!< \brief single dot over block \image html jkqtmathtext/MTDvec.png */
MTDddot, /*!< \brief double dot over block \image html jkqtmathtext/MTDddot.png */
MTDbar, /*!< \brief bar over block \image html jkqtmathtext/MTDbar.png */
MTDarrow, /*!< \brief arrow over block \image html jkqtmathtext/MTDarrow.png */
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 */
MTDtilde, /*!< \brief small tilde over block \image html jkqtmathtext/MTDtilde.png */
MTDwidetilde, /*!< \brief full width tilde over block \image html jkqtmathtext/MTDwidetilde.png */
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 */
};
/** \brief convert a DecorationType into a string
*/
static QString DecorationType2String(DecorationType mode);
JKQTMathTextDecoratedNode(JKQTMathText* parent, DecorationType decoration, JKQTMathTextNode* child);
virtual ~JKQTMathTextDecoratedNode() override; virtual ~JKQTMathTextDecoratedNode() override;
/** \copydoc JKQTMathTextNode::draw() */ /** \copydoc JKQTMathTextNode::draw() */
virtual double draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override; virtual double draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
@ -49,12 +78,12 @@ class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextDecoratedNode: public JKQTMathTextSing
/** \copydoc JKQTMathTextNode::getTypeName() */ /** \copydoc JKQTMathTextNode::getTypeName() */
virtual QString getTypeName() const override ; virtual QString getTypeName() const override ;
/** \copydoc decoration */ /** \copydoc decoration */
JKQTMathTextDecoration getDecoration() const; DecorationType getDecoration() const;
protected: protected:
/** \copydoc JKQTMathTextNode::getSizeInternal() */ /** \copydoc JKQTMathTextNode::getSizeInternal() */
virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override; virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
/** \brief type of decoration that is added to the child node */ /** \brief type of decoration that is added to the child node */
JKQTMathTextDecoration decoration; DecorationType decoration;
}; };
#endif // JKQTMATHTEXTDECORATEDNODE_H #endif // JKQTMATHTEXTDECORATEDNODE_H

78
lib/jkqtmathtext/nodes/jkqtmathtextfracnode.cpp
View File

@ -36,10 +36,36 @@
QString JKQTMathTextFracNode::FracType2String(JKQTMathTextFracNode::FracType mode)
{
switch(mode) {
case JKQTMathTextFracNode::MTFMfrac:
return "frac";
case JKQTMathTextFracNode::MTFMdfrac:
return "dfrac";
case JKQTMathTextFracNode::MTFMsfrac:
return "sfrac";
case JKQTMathTextFracNode::MTFMstfrac:
return "stfrac";
case JKQTMathTextFracNode::MTFMtfrac:
return "tfrac";
case JKQTMathTextFracNode::MTFMunderbrace:
return "underbrace";
case JKQTMathTextFracNode::MTFMoverbrace:
return "overbrace";
case JKQTMathTextFracNode::MTFMunderset:
return "underset";
case JKQTMathTextFracNode::MTFMoverset:
return "overset";
case JKQTMathTextFracNode::MTFMstackrel:
return "stackrel";
}
return "unknown";
}
JKQTMathTextFracNode::JKQTMathTextFracNode(JKQTMathText* _parent, JKQTMathTextNode* child_top, JKQTMathTextNode* child_bottom, JKQTMathTextFracMode mode): JKQTMathTextFracNode::JKQTMathTextFracNode(JKQTMathText* _parent, JKQTMathTextNode* child_top, JKQTMathTextNode* child_bottom, JKQTMathTextFracNode::FracType mode):
JKQTMathTextDualChildNode(child_top, child_bottom, _parent) JKQTMathTextDualChildNode(child_top, child_bottom, _parent)
{ {
this->mode=mode; this->mode=mode;
@ -65,14 +91,14 @@ void JKQTMathTextFracNode::getSizeInternal(QPainter& painter, JKQTMathTextEnviro
const double xwidth=JKQTMathTextGetTightBoundingRect(f, "x", painter.device()).width(); const double xwidth=JKQTMathTextGetTightBoundingRect(f, "x", painter.device()).width();
const double qheight=JKQTMathTextGetTightBoundingRect(f, "q", painter.device()).height();//fm.ascent(); const double qheight=JKQTMathTextGetTightBoundingRect(f, "q", painter.device()).height();//fm.ascent();
if (mode==MTFMunderbrace || mode==MTFMoverbrace) { if (mode==JKQTMathTextFracNode::MTFMunderbrace || mode==JKQTMathTextFracNode::MTFMoverbrace) {
ev2.fontSize=ev2.fontSize*parentMathText->getUnderbraceFactor(); ev2.fontSize=ev2.fontSize*parentMathText->getUnderbraceFactor();
} else if (mode==MTFMunderset || mode==MTFMoverset) { } else if (mode==JKQTMathTextFracNode::MTFMunderset || mode==JKQTMathTextFracNode::MTFMoverset) {
ev2.fontSize=ev2.fontSize*parentMathText->getUndersetFactor(); ev2.fontSize=ev2.fontSize*parentMathText->getUndersetFactor();
} else if (mode==MTFMfrac || mode==MTFMsfrac) { } else if (mode==JKQTMathTextFracNode::MTFMfrac || mode==JKQTMathTextFracNode::MTFMsfrac) {
ev1.fontSize=ev1.fontSize*getFracScalingFactor(); ev1.fontSize=ev1.fontSize*getFracScalingFactor();
ev2.fontSize=ev2.fontSize*getFracScalingFactor(); ev2.fontSize=ev2.fontSize*getFracScalingFactor();
} else if (mode==MTFMtfrac || mode==MTFMstfrac) { } else if (mode==JKQTMathTextFracNode::MTFMtfrac || mode==JKQTMathTextFracNode::MTFMstfrac) {
ev1.fontSize=ev1.fontSize*getFracScalingFactor()*0.7; ev1.fontSize=ev1.fontSize*getFracScalingFactor()*0.7;
ev2.fontSize=ev2.fontSize*getFracScalingFactor()*0.7; ev2.fontSize=ev2.fontSize*getFracScalingFactor()*0.7;
} }
@ -87,19 +113,19 @@ void JKQTMathTextFracNode::getSizeInternal(QPainter& painter, JKQTMathTextEnviro
overallHeight=0; overallHeight=0;
baselineHeight=0; baselineHeight=0;
width=0; width=0;
if (mode==MTFMfrac || mode==MTFMdfrac || mode==MTFMtfrac || mode==MTFMstackrel) { if (mode==JKQTMathTextFracNode::MTFMfrac || mode==JKQTMathTextFracNode::MTFMdfrac || mode==JKQTMathTextFracNode::MTFMtfrac || mode==JKQTMathTextFracNode::MTFMstackrel) {
const double top_ascent=line_ascent+xheight*parentMathText->getFracShiftFactor(); const double top_ascent=line_ascent+xheight*parentMathText->getFracShiftFactor();
const double bot_ascent=line_ascent-xheight*parentMathText->getFracShiftFactor(); const double bot_ascent=line_ascent-xheight*parentMathText->getFracShiftFactor();
const double newascent=overallHeight1+top_ascent; const double newascent=overallHeight1+top_ascent;
const double newdescent=overallHeight2-bot_ascent; const double newdescent=overallHeight2-bot_ascent;
width=qMax(width1, width2); width=qMax(width1, width2);
if (mode!=MTFMstackrel) width+=xwidth/2.0; if (mode!=JKQTMathTextFracNode::MTFMstackrel) width+=xwidth/2.0;
strikeoutPos=line_ascent; strikeoutPos=line_ascent;
overallHeight=newascent+newdescent; overallHeight=newascent+newdescent;
baselineHeight=newascent; baselineHeight=newascent;
} else if (mode==MTFMstfrac || mode==MTFMsfrac) { } else if (mode==JKQTMathTextFracNode::MTFMstfrac || mode==JKQTMathTextFracNode::MTFMsfrac) {
const double top_ascent=line_ascent; const double top_ascent=line_ascent;
const double newascent=overallHeight1+top_ascent; const double newascent=overallHeight1+top_ascent;
const double newdescent=qMax(overallHeight2-baselineHeight2, qheight-xheight); const double newdescent=qMax(overallHeight2-baselineHeight2, qheight-xheight);
@ -108,22 +134,22 @@ void JKQTMathTextFracNode::getSizeInternal(QPainter& painter, JKQTMathTextEnviro
overallHeight=newascent+newdescent; overallHeight=newascent+newdescent;
baselineHeight=newascent; baselineHeight=newascent;
} else if (mode==MTFMunderbrace) { } else if (mode==JKQTMathTextFracNode::MTFMunderbrace) {
overallHeight=overallHeight1+overallHeight2+Mheight/2.0; overallHeight=overallHeight1+overallHeight2+Mheight/2.0;
baselineHeight=baselineHeight1; baselineHeight=baselineHeight1;
width=qMax(width1, width2)+xwidth; width=qMax(width1, width2)+xwidth;
strikeoutPos=line_ascent; strikeoutPos=line_ascent;
} else if (mode==MTFMoverbrace) { } else if (mode==JKQTMathTextFracNode::MTFMoverbrace) {
overallHeight=overallHeight1+overallHeight2+Mheight/2.0; overallHeight=overallHeight1+overallHeight2+Mheight/2.0;
baselineHeight=baselineHeight1+overallHeight2+Mheight/2.0; baselineHeight=baselineHeight1+overallHeight2+Mheight/2.0;
width=qMax(width1, width2)+xwidth; width=qMax(width1, width2)+xwidth;
strikeoutPos=line_ascent; strikeoutPos=line_ascent;
} else if (mode==MTFMunderset) { } else if (mode==JKQTMathTextFracNode::MTFMunderset) {
overallHeight=overallHeight1+overallHeight2+xheight/6.0; overallHeight=overallHeight1+overallHeight2+xheight/6.0;
baselineHeight=baselineHeight1; baselineHeight=baselineHeight1;
width=qMax(width1, width2)+xwidth; width=qMax(width1, width2)+xwidth;
strikeoutPos=line_ascent; strikeoutPos=line_ascent;
} else if (mode==MTFMoverset) { } else if (mode==JKQTMathTextFracNode::MTFMoverset) {
overallHeight=overallHeight1+overallHeight2+xheight/6.0; overallHeight=overallHeight1+overallHeight2+xheight/6.0;
baselineHeight=baselineHeight1+overallHeight2+xheight/6.0; baselineHeight=baselineHeight1+overallHeight2+xheight/6.0;
width=qMax(width1, width2)+xwidth; width=qMax(width1, width2)+xwidth;
@ -143,7 +169,7 @@ int JKQTMathTextFracNode::getNestingLevel(bool sameType) const
double JKQTMathTextFracNode::getFracScalingFactor() const double JKQTMathTextFracNode::getFracScalingFactor() const
{ {
if (mode!=MTFMdfrac) { if (mode!=JKQTMathTextFracNode::MTFMdfrac) {
const int level=getNestingLevel(true); const int level=getNestingLevel(true);
if (level>=1) return parentMathText->getFracNestedFactor(); if (level>=1) return parentMathText->getFracNestedFactor();
} }
@ -165,14 +191,14 @@ double JKQTMathTextFracNode::draw(QPainter& painter, double x, double y, JKQTMat
const double qheight=JKQTMathTextGetTightBoundingRect(f, "q", painter.device()).height();//fm.ascent(); const double qheight=JKQTMathTextGetTightBoundingRect(f, "q", painter.device()).height();//fm.ascent();
const double bw=Mheight/2.0; const double bw=Mheight/2.0;
if (mode==MTFMunderbrace || mode==MTFMoverbrace) { if (mode==JKQTMathTextFracNode::MTFMunderbrace || mode==JKQTMathTextFracNode::MTFMoverbrace) {
ev2.fontSize=ev2.fontSize*parentMathText->getUnderbraceFactor(); ev2.fontSize=ev2.fontSize*parentMathText->getUnderbraceFactor();
} else if (mode==MTFMunderset || mode==MTFMoverset) { } else if (mode==JKQTMathTextFracNode::MTFMunderset || mode==JKQTMathTextFracNode::MTFMoverset) {
ev2.fontSize=ev2.fontSize*parentMathText->getUndersetFactor(); ev2.fontSize=ev2.fontSize*parentMathText->getUndersetFactor();
} else if (mode==MTFMfrac || mode==MTFMsfrac) { } else if (mode==JKQTMathTextFracNode::MTFMfrac || mode==JKQTMathTextFracNode::MTFMsfrac) {
ev1.fontSize=ev1.fontSize*getFracScalingFactor(); ev1.fontSize=ev1.fontSize*getFracScalingFactor();
ev2.fontSize=ev2.fontSize*getFracScalingFactor(); ev2.fontSize=ev2.fontSize*getFracScalingFactor();
} else if (mode==MTFMtfrac || mode==MTFMstfrac) { } else if (mode==JKQTMathTextFracNode::MTFMtfrac || mode==JKQTMathTextFracNode::MTFMstfrac) {
ev1.fontSize=ev1.fontSize*getFracScalingFactor()*0.7; ev1.fontSize=ev1.fontSize*getFracScalingFactor()*0.7;
ev2.fontSize=ev2.fontSize*getFracScalingFactor()*0.7; ev2.fontSize=ev2.fontSize*getFracScalingFactor()*0.7;
} }
@ -201,26 +227,26 @@ double JKQTMathTextFracNode::draw(QPainter& painter, double x, double y, JKQTMat
p.setWidthF(qMax(parentMathText->ABS_MIN_LINEWIDTH, linewideth)); p.setWidthF(qMax(parentMathText->ABS_MIN_LINEWIDTH, linewideth));
painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();}); painter.save(); auto __finalpaint=JKQTPFinally([&painter]() {painter.restore();});
painter.setPen(p); painter.setPen(p);
if (mode==MTFMfrac || mode==MTFMdfrac || mode==MTFMtfrac) { if (mode==JKQTMathTextFracNode::MTFMfrac || mode==JKQTMathTextFracNode::MTFMdfrac || mode==JKQTMathTextFracNode::MTFMtfrac) {
deltaWidth=xwidth/2.0; deltaWidth=xwidth/2.0;
const QLineF l(x+p.widthF(), yline, x+maxWidth+deltaWidth-p.widthF(), yline); const QLineF l(x+p.widthF(), yline, x+maxWidth+deltaWidth-p.widthF(), yline);
if (l.length()>0) painter.drawLine(l); if (l.length()>0) painter.drawLine(l);
child1->draw(painter, x+deltaWidth/2.0+(maxWidth-width1)/2.0, yline-xheight*(parentMathText->getFracShiftFactor())-descent1, ev1); child1->draw(painter, x+deltaWidth/2.0+(maxWidth-width1)/2.0, yline-xheight*(parentMathText->getFracShiftFactor())-descent1, ev1);
child2->draw(painter, x+deltaWidth/2.0+(maxWidth-width2)/2.0, yline+xheight*(parentMathText->getFracShiftFactor())+ascent2, ev2); child2->draw(painter, x+deltaWidth/2.0+(maxWidth-width2)/2.0, yline+xheight*(parentMathText->getFracShiftFactor())+ascent2, ev2);
} else if (mode==MTFMstackrel) { } else if (mode==JKQTMathTextFracNode::MTFMstackrel) {
child1->draw(painter, x+(maxWidth-width1)/2.0, yline-xheight*(parentMathText->getFracShiftFactor())-descent1, ev1); child1->draw(painter, x+(maxWidth-width1)/2.0, yline-xheight*(parentMathText->getFracShiftFactor())-descent1, ev1);
child2->draw(painter, x+(maxWidth-width2)/2.0, yline+xheight*(parentMathText->getFracShiftFactor())+ascent2, ev2); child2->draw(painter, x+(maxWidth-width2)/2.0, yline+xheight*(parentMathText->getFracShiftFactor())+ascent2, ev2);
} else if (mode==MTFMstfrac || mode==MTFMsfrac) { } else if (mode==JKQTMathTextFracNode::MTFMstfrac || mode==JKQTMathTextFracNode::MTFMsfrac) {
deltaWidth=xwidth/2.0; deltaWidth=xwidth/2.0;
child1->draw(painter, x, yline, ev1); child1->draw(painter, x, yline, ev1);
child2->draw(painter, x+width1+deltaWidth, y, ev2); child2->draw(painter, x+width1+deltaWidth, y, ev2);
const QLineF l(x+width1+deltaWidth, y-Mheight, x+width1, y+(qheight-xheight)); const QLineF l(x+width1+deltaWidth, y-Mheight, x+width1, y+(qheight-xheight));
if (l.length()>0) painter.drawLine(l); if (l.length()>0) painter.drawLine(l);
} else if (mode==MTFMunderset) { } else if (mode==JKQTMathTextFracNode::MTFMunderset) {
child1->draw(painter, x+xwidth/2.0+(maxWidth-width1)/2.0, y, ev1); child1->draw(painter, x+xwidth/2.0+(maxWidth-width1)/2.0, y, ev1);
child2->draw(painter, x+xwidth/2.0+(maxWidth-width2)/2.0, y+descent1+xheight/6.0+ascent2, ev2); child2->draw(painter, x+xwidth/2.0+(maxWidth-width2)/2.0, y+descent1+xheight/6.0+ascent2, ev2);
deltaWidth=xwidth; deltaWidth=xwidth;
} else if (mode==MTFMunderbrace) { } else if (mode==JKQTMathTextFracNode::MTFMunderbrace) {
double ybrace=y+descent1+bw/2.0; double ybrace=y+descent1+bw/2.0;
const QPainterPath path=JKQTMathTextMakeHBracePath(x+xwidth/2.0+(width1)/2.0, ybrace, maxWidth, bw); const QPainterPath path=JKQTMathTextMakeHBracePath(x+xwidth/2.0+(width1)/2.0, ybrace, maxWidth, bw);
painter.drawPath(path); painter.drawPath(path);
@ -228,11 +254,11 @@ double JKQTMathTextFracNode::draw(QPainter& painter, double x, double y, JKQTMat
child1->draw(painter, x+xwidth/2.0+(maxWidth-width1)/2.0, y, ev1); child1->draw(painter, x+xwidth/2.0+(maxWidth-width1)/2.0, y, ev1);
child2->draw(painter, x+xwidth/2.0+(maxWidth-width2)/2.0, y+descent1+bw+ascent2, ev2); child2->draw(painter, x+xwidth/2.0+(maxWidth-width2)/2.0, y+descent1+bw+ascent2, ev2);
deltaWidth=xwidth; deltaWidth=xwidth;
} else if (mode==MTFMoverset) { } else if (mode==JKQTMathTextFracNode::MTFMoverset) {
child1->draw(painter, x+xwidth/2.0+(maxWidth-width1)/2.0, y, ev1); child1->draw(painter, x+xwidth/2.0+(maxWidth-width1)/2.0, y, ev1);
child2->draw(painter, x+xwidth/2.0+(maxWidth-width2)/2.0, y-ascent1-xheight/6.0-descent2, ev2); child2->draw(painter, x+xwidth/2.0+(maxWidth-width2)/2.0, y-ascent1-xheight/6.0-descent2, ev2);
deltaWidth=xwidth; deltaWidth=xwidth;
} else if (mode==MTFMoverbrace) { } else if (mode==JKQTMathTextFracNode::MTFMoverbrace) {
const double ybrace=y-ascent1-bw/2.0; const double ybrace=y-ascent1-bw/2.0;
{ {
@ -249,7 +275,7 @@ double JKQTMathTextFracNode::draw(QPainter& painter, double x, double y, JKQTMat
} }
if (mode==MTFMstfrac || mode==MTFMsfrac) return x+width1+width2+deltaWidth; if (mode==JKQTMathTextFracNode::MTFMstfrac || mode==JKQTMathTextFracNode::MTFMsfrac) return x+width1+width2+deltaWidth;
else return x+maxWidth+deltaWidth; else return x+maxWidth+deltaWidth;
} }
@ -262,7 +288,7 @@ bool JKQTMathTextFracNode::toHtml(QString &/*html*/, JKQTMathTextEnvironment /*c
return ok; return ok;
} }
JKQTMathTextFracMode JKQTMathTextFracNode::getMode() const { JKQTMathTextFracNode::FracType JKQTMathTextFracNode::getMode() const {
return this->mode; return this->mode;
} }

31
lib/jkqtmathtext/nodes/jkqtmathtextfracnode.h
View File

@ -43,7 +43,32 @@ class JKQTMathText; // forward
*/ */
class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextFracNode: public JKQTMathTextDualChildNode { class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextFracNode: public JKQTMathTextDualChildNode {
public: public:
JKQTMathTextFracNode(JKQTMathText* parent, JKQTMathTextNode* child_top, JKQTMathTextNode* child_bottom, JKQTMathTextFracMode mode);
/** \brief type of ffractions represented by JKQTMathTextFracNode
* \ingroup jkqtmathtext
* \see JKQTMathTextFracNode, JKQTMathTextFracNode::FracType2String()
*/
enum FracType {
MTFMfrac, /*!< \brief normal fraction \image html jkqtmathtext/MTFMfrac.png */
MTFMdfrac, /*!< \brief normal fraction, without scaling of under/over text \image html jkqtmathtext/MTFMdfrac.png */
MTFMtfrac, /*!< \brief text fraction (smaller than MTFMfrac) \image html jkqtmathtext/MTFMtfrac.png */
MTFMsfrac, /*!< \brief slanted fraction \image html jkqtmathtext/MTFMsfrac.png */
MTFMstfrac, /*!< \brief slanted text fraction \image html jkqtmathtext/MTFMstfrac.png */
MTFMunderbrace, /*!< \brief curly underbrace \image html jkqtmathtext/MTFMunderbrace.png */
MTFMoverbrace, /*!< \brief curly overbrace \image html jkqtmathtext/MTFMoverbrace.png */
MTFMstackrel, /*!< \brief binom/fraction without line \image html jkqtmathtext/MTFMstackrel.png */
MTFMunderset, /*!< \brief underset text \image html jkqtmathtext/MTFMunderset.png */
MTFMoverset /*!< \brief overset text \image html jkqtmathtext/MTFMoverset.png */
};
/** \brief convert a JKQTMathTextFracNode::FracType into a QString
* \ingroup jkqtmathtext
* \see JKQTMathTextFracNode::FracType
*/
static QString FracType2String(FracType mode);
JKQTMathTextFracNode(JKQTMathText* parent, JKQTMathTextNode* child_top, JKQTMathTextNode* child_bottom, JKQTMathTextFracNode::FracType mode);
virtual ~JKQTMathTextFracNode() override; virtual ~JKQTMathTextFracNode() override;
/** \copydoc JKQTMathTextNode::getTypeName() */ /** \copydoc JKQTMathTextNode::getTypeName() */
virtual QString getTypeName() const override; virtual QString getTypeName() const override;
@ -52,12 +77,12 @@ class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextFracNode: public JKQTMathTextDualChild
/** \copydoc JKQTMathTextNode::toHtml() */ /** \copydoc JKQTMathTextNode::toHtml() */
virtual bool toHtml(QString& html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) override; virtual bool toHtml(QString& html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) override;
/** \copydoc mode */ /** \copydoc mode */
JKQTMathTextFracMode getMode() const; JKQTMathTextFracNode::FracType getMode() const;
protected: protected:
/** \copydoc JKQTMathTextNode::getSizeInternal() */ /** \copydoc JKQTMathTextNode::getSizeInternal() */
virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override; virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
/** \brief actual display type of fraction object */ /** \brief actual display type of fraction object */
JKQTMathTextFracMode mode; JKQTMathTextFracNode::FracType mode;
/** \brief returns the nesting level of the node (of same type of \a sameType \c ==true) */ /** \brief returns the nesting level of the node (of same type of \a sameType \c ==true) */
int getNestingLevel(bool sameType=false) const; int getNestingLevel(bool sameType=false) const;
/** \brief determines the scaling factor of the fraction (takes into account the nesting level) */ /** \brief determines the scaling factor of the fraction (takes into account the nesting level) */