mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-12-25 01:51:49 +08:00
dde8deb56f
JKQTMathText: moved sub-/superscripts placed below/above a bit further apart from the central symbol/node
826 lines
38 KiB
C++
826 lines
38 KiB
C++
/*
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Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "jkqtmathtext/nodes/jkqtmathtextlistnode.h"
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#include "jkqtmathtext/nodes/jkqtmathtextsymbolnode.h"
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#include "jkqtmathtext/nodes/jkqtmathtextbracenode.h"
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#include "jkqtmathtext/nodes/jkqtmathtextsubsupernode.h"
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#include "jkqtmathtext/jkqtmathtexttools.h"
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#include "jkqtmathtext/jkqtmathtext.h"
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#include "jkqtcommon/jkqtpcodestructuring.h"
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#include "jkqtcommon/jkqtpstringtools.h"
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#include <cmath>
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#include <QFontMetricsF>
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#include <QDebug>
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#include <QFontDatabase>
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#include <QFontInfo>
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#include <QApplication>
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#include <QFont>
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JKQTMathTextHorizontalListNode::JKQTMathTextHorizontalListNode(JKQTMathText* _parent):
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JKQTMathTextMultiChildNode(_parent)
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{
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nodes.clear();
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// these operations cause sub/sup script to be typeset over/under the operator, not right besides!
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}
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JKQTMathTextHorizontalListNode::~JKQTMathTextHorizontalListNode() {
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clearChildrenImpl(true);
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}
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QString JKQTMathTextHorizontalListNode::getTypeName() const
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{
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return "MTHorizontalListNode";
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}
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JKQTMathTextNodeSize JKQTMathTextHorizontalListNode::getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv) const {
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JKQTMathTextNodeSize outSize;
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const QFont f=currentEv.getFont(parentMathText);
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const QFontMetricsF fm(f);
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const double subsupershift=fm.xHeight()*parentMathText->getOperatorsubsuperDistanceFactor();
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const double subsuperextrawidth=fm.boundingRect('x').width()*parentMathText->getOperatorsubsuperExtraSpaceFactor();
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const double subsuperSpecialModeAscent=fm.ascent()*parentMathText->getSubsuperModeSelectionBySizeFactor();
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const double subsuperSpecialModeDecent=fm.descent()*parentMathText->getSubsuperModeSelectionBySizeFactor();
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const double spaceWidth=fm.boundingRect(' ').width();
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//QRectF tbr=parent->getTightBoundingRect(currentEv.getFont(parent), "M", painter.device());
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double xnew=0;
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//bool wasBrace=false;
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for (int i=0; i<nodes.size(); i++) {
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JKQTMathTextSymbolNode::NodeSize prevNodeSize;
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JKQTMathTextNodeSize* prevNodeSizePtrForSubscript=nullptr;
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JKQTMathTextNodeSize* prevNodeSizePtrForSuperscript=nullptr;
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if (i>0) {
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JKQTMathTextSymbolNode* symbN=dynamic_cast<JKQTMathTextSymbolNode*>(nodes[i-1]);
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if (symbN) prevNodeSize=symbN->getSymbolSize(painter, currentEv);
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else prevNodeSize = nodes[i-1]->getSize(painter, currentEv);
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const double prevAscent=prevNodeSize.baselineHeight;
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const double prevDescent=prevNodeSize.overallHeight-prevNodeSize.baselineHeight;
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const bool shouldUseSpecialSubscriptMode=prevAscent>=subsuperSpecialModeAscent;
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const bool shouldUseSpecialSuperscriptMode=prevDescent>=subsuperSpecialModeDecent;
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if (shouldUseSpecialSubscriptMode) prevNodeSizePtrForSubscript=&prevNodeSize;
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if (shouldUseSpecialSuperscriptMode) prevNodeSizePtrForSuperscript=&prevNodeSize;
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}
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const double subscript_xcorrection=prevNodeSize.baselineXCorrection+fm.lineWidth()*0.5;
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JKQTMathTextSuperscriptNode* nodeI_SuperScript=dynamic_cast<JKQTMathTextSuperscriptNode*>(nodes[i]);
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JKQTMathTextSubscriptNode* nodeI_SubScript=dynamic_cast<JKQTMathTextSubscriptNode*>(nodes[i]);
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bool doDraw=true;
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// if we find a subscript/superscript node we check whether the next node is super/subscript
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// if so, we typeset them at the same x-psotion, so sub/superscripts appear correctly
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if (nodeI_SuperScript) {
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if (i+1<nodes.size()) { // is there one mor node behind?
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JKQTMathTextSubscriptNode* nodeISucc_SubScript=dynamic_cast<JKQTMathTextSubscriptNode*>(nodes[i+1]);
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if (nodeISucc_SubScript) { // is this subscript?
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const JKQTMathTextNodeSize ns=nodeI_SuperScript->getSizeWithSpecialPlacement(painter, currentEv, prevNodeSizePtrForSuperscript);
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if (ns.baselineHeight>outSize.baselineHeight) {
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outSize.overallHeight=outSize.overallHeight+ns.baselineHeight-outSize.baselineHeight;
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outSize.baselineHeight=ns.baselineHeight;
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outSize.strikeoutPos=ns.strikeoutPos;
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}
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if (outSize.baselineHeight+ns.getDescent()>outSize.overallHeight) {
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outSize.overallHeight=outSize.baselineHeight+ns.getDescent();
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outSize.strikeoutPos=ns.strikeoutPos;
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}
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i++;
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const JKQTMathTextNodeSize ns2=nodeISucc_SubScript->getSizeWithSpecialPlacement(painter, currentEv, prevNodeSizePtrForSubscript);
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//qDebug()<<"super_sub: sub: "<<nodes[i]->getTypeName()<<" w2="<<w2<<" bh"<<bh<<" oh="<<oh<<" sp="<<sp;
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if (ns2.baselineHeight>outSize.baselineHeight) {
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outSize.overallHeight=outSize.overallHeight+ns2.baselineHeight-outSize.baselineHeight;
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outSize.baselineHeight=ns2.baselineHeight;
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outSize.strikeoutPos=ns2.strikeoutPos;
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}
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if (outSize.baselineHeight+ns2.getDescent()>outSize.overallHeight) {
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outSize.overallHeight=outSize.baselineHeight+ns2.getDescent();
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outSize.strikeoutPos=ns2.strikeoutPos;
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}
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xnew+=qMax(ns.width+spaceWidth, ns2.width+subscript_xcorrection);
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doDraw=false;
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//qDebug()<<"### super+sub";
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//qDebug()<<"### subsupop: super+sub overallHeight="<<overallHeight<<" baselineHeight="<<baselineHeight;
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}
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}
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} else if (nodeI_SubScript) {
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if (i+1<nodes.size()) { // is there one mor node behind?
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JKQTMathTextSuperscriptNode* nodeISucc_SuperScript=dynamic_cast<JKQTMathTextSuperscriptNode*>(nodes[i+1]);
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if (nodeISucc_SuperScript) { // is this subscript?
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const JKQTMathTextNodeSize ns=nodeI_SubScript->getSizeWithSpecialPlacement(painter, currentEv, prevNodeSizePtrForSubscript);
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if (ns.baselineHeight>outSize.baselineHeight) {
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outSize.overallHeight=outSize.overallHeight+ns.baselineHeight-outSize.baselineHeight;
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outSize.baselineHeight=ns.baselineHeight;
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outSize.strikeoutPos=ns.strikeoutPos;
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}
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if (outSize.baselineHeight+ns.overallHeight-ns.baselineHeight>outSize.overallHeight) {
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outSize.overallHeight=outSize.baselineHeight+ns.overallHeight-ns.baselineHeight;
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outSize.strikeoutPos=ns.strikeoutPos;
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}
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i++;
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const JKQTMathTextNodeSize ns2=nodeISucc_SuperScript->getSizeWithSpecialPlacement(painter, currentEv, prevNodeSizePtrForSuperscript);
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if (ns2.baselineHeight>outSize.baselineHeight) {
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outSize.overallHeight=outSize.overallHeight+ns2.baselineHeight-outSize.baselineHeight;
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outSize.baselineHeight=ns2.baselineHeight;
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outSize.strikeoutPos=ns2.strikeoutPos;
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}
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if (outSize.baselineHeight+ns2.overallHeight-ns2.baselineHeight>outSize.overallHeight) {
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outSize.overallHeight=outSize.baselineHeight+ns2.overallHeight-ns2.baselineHeight;
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outSize.strikeoutPos=ns2.strikeoutPos;
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}
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xnew+=qMax(ns.width+subscript_xcorrection, ns2.width+spaceWidth);
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doDraw=false;
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//qDebug()<<"### sub+super";
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//qDebug()<<"### subsupop: sub+super1 overallHeight="<<overallHeight<<" baselineHeight="<<baselineHeight;
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}
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} else {
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const JKQTMathTextNodeSize ns=nodes[i]->getSize(painter, currentEv);
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if (ns.baselineHeight>outSize.baselineHeight) {
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outSize.overallHeight=outSize.overallHeight+ns.baselineHeight-outSize.baselineHeight;
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outSize.baselineHeight=ns.baselineHeight;
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outSize.strikeoutPos=ns.strikeoutPos;
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}
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if (outSize.baselineHeight+ns.getDescent()>outSize.overallHeight) {
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outSize.overallHeight=outSize.baselineHeight+ns.getDescent();
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outSize.strikeoutPos=ns.strikeoutPos;
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}
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xnew+=ns.width+subscript_xcorrection;
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doDraw=false;
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}
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} else {
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if (nodes[i]->isSubSuperscriptAboveBelowNode()) {
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JKQTMathTextSubscriptNode* subn=nullptr;
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JKQTMathTextSuperscriptNode* supn=nullptr;
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JKQTMathTextSubscriptNode* subn2=nullptr;
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JKQTMathTextSuperscriptNode* supn2=nullptr;
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if (i+1<nodes.size()) {
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subn=dynamic_cast<JKQTMathTextSubscriptNode*>(nodes[i+1]);
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supn=dynamic_cast<JKQTMathTextSuperscriptNode*>(nodes[i+1]);
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}
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if (i+2<nodes.size()) {
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subn2=dynamic_cast<JKQTMathTextSubscriptNode*>(nodes[i+2]);
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supn2=dynamic_cast<JKQTMathTextSuperscriptNode*>(nodes[i+2]);
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}
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//std::cout<<"symbol ='"<<s.toStdString()<<"' subn="<<subn<<" supn="<<supn<<"\n";
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if ((subn && supn2) || (subn2 && supn)) { // is this subscript and superscript or superscript and subscript?
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if (!subn) subn=subn2;
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if (!supn) supn=supn2;
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JKQTMathTextEnvironment ev=currentEv;
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ev.fontSize=ev.fontSize*parentMathText->getOperatorsubsuperSizeFactor();
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const JKQTMathTextNodeSize ns=nodes[i]->getSize(painter, currentEv);
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//qDebug()<<"sub_super: node: "<<nodes[i]->getTypeName()<<" ns.width="<<ns.width<<" bh"<<ns.baselineHeight<<" oh="<<ns.overallHeight<<" sp="<<ns.strikeoutPos;
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const JKQTMathTextNodeSize sub=subn->getChild()->getSize(painter, ev);
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//qDebug()<<"sub_super: node: "<<subn->getTypeName()<<" w2="<<w2<<" bh2"<<bh2<<" oh2="<<oh2<<" sp2="<<sp2;
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const JKQTMathTextNodeSize sup=supn->getChild()->getSize(painter, ev);
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//qDebug()<<"sub_super: node: "<<supn->getTypeName()<<" w3="<<w3<<" bh3"<<bh3<<" oh3="<<oh3<<" sp3="<<sp3;
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const double descent1=ns.overallHeight-ns.baselineHeight;
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//double d1=ns.overallHeight-ns.baselineHeight;
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//double d2=oh2-bh2;
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//double d3=oh3-bh3;
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const double neww=qMax(qMax(ns.width, sub.width+prevNodeSize.subSuperAboveBelowXCorrection), sup.width+prevNodeSize.subSuperAboveBelowXCorrection)+subsuperextrawidth;
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const double newBaselineHeight=ns.baselineHeight+sup.overallHeight+subsupershift;
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if (newBaselineHeight>outSize.baselineHeight) {
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const double extraBaselineHeight=newBaselineHeight-outSize.baselineHeight;
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outSize.baselineHeight=newBaselineHeight;
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outSize.overallHeight=outSize.overallHeight+extraBaselineHeight;
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}
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const double newDescent=descent1+sub.overallHeight+subsupershift;
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if (newDescent>outSize.overallHeight-outSize.baselineHeight) {
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const double extraDescent=newDescent-(outSize.overallHeight-outSize.baselineHeight);
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outSize.overallHeight=outSize.overallHeight+extraDescent;
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}
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i++;
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i++;
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doDraw=false;
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xnew+=neww;
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//qDebug()<<"### subsupop: sub+super2 overallHeight="<<overallHeight<<" baselineHeight="<<baselineHeight;
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} else if (subn) { // is this subscript?
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JKQTMathTextEnvironment ev=currentEv;
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ev.fontSize=ev.fontSize*parentMathText->getOperatorsubsuperSizeFactor();
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JKQTMathTextSymbolNode* symbN=dynamic_cast<JKQTMathTextSymbolNode*>(nodes[i]);
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JKQTMathTextSymbolNode::NodeSize nodeSize;
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if (symbN) {
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nodeSize=symbN->getSymbolSize(painter, currentEv);
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} else {
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nodeSize=nodes[i]->getSize(painter, currentEv);
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}
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const JKQTMathTextNodeSize sub=subn->getChild()->getSize(painter, ev);
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const double descent1=nodeSize.getDescent();
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//double d1=ns.overallHeight-ns.baselineHeight;
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//double d2=oh2-bh2;
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const double newDescent=descent1+sub.overallHeight+subsupershift;
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if (newDescent>outSize.overallHeight-outSize.baselineHeight) {
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const double extraDescent=newDescent-(outSize.overallHeight-outSize.baselineHeight);
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outSize.overallHeight=outSize.overallHeight+extraDescent;
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}
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if (nodeSize.baselineHeight>outSize.baselineHeight) {
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outSize.overallHeight=outSize.overallHeight+(nodeSize.baselineHeight-outSize.baselineHeight);
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outSize.baselineHeight=nodeSize.baselineHeight;
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}
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const double neww=qMax(nodeSize.width, sub.width+nodeSize.subSuperAboveBelowXCorrection)+subsuperextrawidth;
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i++;
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doDraw=false;
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xnew+=neww;
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//qDebug()<<"### subsupop: sub overallHeight="<<overallHeight<<" baselineHeight="<<baselineHeight;
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} else if (supn) { // is this superscript?
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JKQTMathTextEnvironment ev=currentEv;
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ev.fontSize=ev.fontSize*parentMathText->getOperatorsubsuperSizeFactor();
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JKQTMathTextSymbolNode::NodeSize nodeSize;
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JKQTMathTextSymbolNode* symbN=dynamic_cast<JKQTMathTextSymbolNode*>(nodes[i]);
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if (symbN) {
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nodeSize=symbN->getSymbolSize(painter, currentEv);
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} else {
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nodeSize=nodes[i]->getSize(painter, currentEv);
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}
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const double descent1=nodeSize.getDescent();
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const JKQTMathTextNodeSize sup=supn->getChild()->getSize(painter, ev);
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//double d1=ns.overallHeight-ns.baselineHeight;
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//double d2=oh2-bh2;
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const double newBaselineHeight=nodeSize.baselineHeight+sup.overallHeight+subsupershift;
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if (newBaselineHeight>outSize.baselineHeight) {
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const double extraBaselineHeight=newBaselineHeight-outSize.baselineHeight;
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outSize.baselineHeight=newBaselineHeight;
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outSize.overallHeight=outSize.overallHeight+extraBaselineHeight;
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}
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if (descent1>outSize.overallHeight-outSize.baselineHeight) {
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outSize.overallHeight=outSize.baselineHeight+descent1;
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}
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const double neww=qMax(nodeSize.width, sup.width+nodeSize.subSuperAboveBelowXCorrection)+subsuperextrawidth;
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i++;
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doDraw=false;
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xnew+=neww;
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//qDebug()<<"### subsupop: sub overallHeight="<<overallHeight<<" baselineHeight="<<baselineHeight;
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}
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}
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}
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if (i<nodes.size() && doDraw) {
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JKQTMathTextNodeSize ns;
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if (nodeI_SubScript) ns=nodeI_SubScript->getSizeWithSpecialPlacement(painter, currentEv, prevNodeSizePtrForSubscript);
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else if (nodeI_SuperScript) ns=nodeI_SuperScript->getSizeWithSpecialPlacement(painter, currentEv, prevNodeSizePtrForSuperscript);
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else ns=nodes[i]->getSize(painter, currentEv);
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const double cDescent=ns.getDescent();
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//qDebug()<<"### else: ns.baselineHeight="<<ns.baselineHeight<<" baselineHeight="<<baselineHeight<<" oh="<<oh<<" overallHeight="<<overallHeight;
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if (ns.baselineHeight>outSize.baselineHeight) {
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outSize.overallHeight=outSize.overallHeight-outSize.baselineHeight+ns.baselineHeight;
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outSize.baselineHeight=ns.baselineHeight;
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outSize.strikeoutPos=ns.strikeoutPos;
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}
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if (outSize.baselineHeight+cDescent>outSize.overallHeight) {
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outSize.overallHeight=outSize.baselineHeight+cDescent;
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outSize.strikeoutPos=ns.strikeoutPos;
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}
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outSize.baselineXCorrection=ns.baselineXCorrection;
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outSize.topXCorrection=ns.topXCorrection;
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//qDebug()<<"### subsupop: else overallHeight="<<overallHeight<<" baselineHeight="<<baselineHeight;
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xnew+=ns.width;
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//qDebug()<<i<<xnew;
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}
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//wasBrace=dynamic_cast<JKQTMathTextBraceNode*>(nodes[i]);
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}
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outSize.width=xnew;
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return outSize;
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}
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double JKQTMathTextHorizontalListNode::draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv) const {
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doDrawBoxes(painter, x, y, currentEv);
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double ynew=y;
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double xnew=x;
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//qDebug()<<"listNode: "<<currentEv.fontSize;
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const QFontMetricsF fm(currentEv.getFont(parentMathText));
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const double subsupershift=fm.xHeight()*parentMathText->getOperatorsubsuperDistanceFactor();
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const double subsuperextrawidth=fm.boundingRect('x').width()*parentMathText->getOperatorsubsuperExtraSpaceFactor();
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const double subsuperSpecialModeAscent=fm.ascent()*parentMathText->getSubsuperModeSelectionBySizeFactor();
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const double subsuperSpecialModeDecent=fm.descent()*parentMathText->getSubsuperModeSelectionBySizeFactor();
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for (int i=0; i<nodes.size(); i++) {
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bool doDraw=true;
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JKQTMathTextSymbolNode::NodeSize prevNodeSize;
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JKQTMathTextNodeSize* prevNodeSizePtrForSubscript=nullptr;
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JKQTMathTextNodeSize* prevNodeSizePtrForSuperscript=nullptr;
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if (i>0) {
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JKQTMathTextSymbolNode* symbN=dynamic_cast<JKQTMathTextSymbolNode*>(nodes[i-1]);
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if (symbN) {
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prevNodeSize=symbN->getSymbolSize(painter, currentEv);
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} else {
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prevNodeSize=nodes[i-1]->getSize(painter, currentEv);
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}
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const double prevAscent=prevNodeSize.baselineHeight;
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const double prevDescent=prevNodeSize.overallHeight-prevNodeSize.baselineHeight;
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const bool shouldUseSpecialSubscriptMode=prevAscent>=subsuperSpecialModeAscent;
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const bool shouldUseSpecialSuperscriptMode=prevDescent>=subsuperSpecialModeDecent;
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if (shouldUseSpecialSubscriptMode) prevNodeSizePtrForSubscript=&prevNodeSize;
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if (shouldUseSpecialSuperscriptMode) prevNodeSizePtrForSuperscript=&prevNodeSize;
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}
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const double subscript_xcorrection=prevNodeSize.baselineXCorrection+fm.lineWidth()*0.5;
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JKQTMathTextSuperscriptNode* nodeI_SuperScript=dynamic_cast<JKQTMathTextSuperscriptNode*>(nodes[i]);
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JKQTMathTextSubscriptNode* nodeI_SubScript=dynamic_cast<JKQTMathTextSubscriptNode*>(nodes[i]);
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// if we find a subscript/superscript node we check whether the next node is super/subscript
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// if so, we typeset them at the same x-psotion, so sub/superscripts appear correctly
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if (nodeI_SuperScript) {
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if (i+1<nodes.size()) { // is there one mor node behind?
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JKQTMathTextSubscriptNode* nodeISucc_SubScript=dynamic_cast<JKQTMathTextSubscriptNode*>(nodes[i+1]);
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if (nodeISucc_SubScript) { // is this subscript?
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//painter.setPen(QPen("red"));
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//painter.drawEllipse(xnew-4,ynew+shift-(ccOverallHeight-ccBaselineHeight)-4,8,8);
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const double xnewidth=nodeI_SuperScript->drawWithSpecialPlacement(painter, xnew, ynew, currentEv, prevNodeSizePtrForSuperscript);
|
|
i++;
|
|
//painter.setPen(QPen("magenta"));
|
|
//painter.drawEllipse(xnew-4,ynew-4,8,8);
|
|
const double xnew2=nodeISucc_SubScript->drawWithSpecialPlacement(painter, xnew+subscript_xcorrection, ynew, currentEv, prevNodeSizePtrForSubscript);
|
|
//i++;
|
|
xnew=qMax(xnewidth, xnew2);
|
|
doDraw=false;
|
|
}
|
|
}
|
|
} else if (nodeI_SubScript) {
|
|
if (i+1<nodes.size()) { // is there one more node behind?
|
|
JKQTMathTextSuperscriptNode* nodeISucc_SuperScript=dynamic_cast<JKQTMathTextSuperscriptNode*>(nodes[i+1]);
|
|
if (nodeISucc_SuperScript) { // is this subscript?
|
|
//painter.setPen(QPen("red"));
|
|
//painter.drawEllipse(xnew-4,ynew+shift-(ccOverallHeight-ccBaselineHeight)-4,8,8);
|
|
double xnewidth=nodeI_SubScript->drawWithSpecialPlacement(painter, xnew+subscript_xcorrection, ynew, currentEv, prevNodeSizePtrForSubscript);
|
|
i++;
|
|
//painter.setPen(QPen("magenta"));
|
|
//painter.drawEllipse(xnew-4,ynew-4,8,8);
|
|
double xnew2=nodeISucc_SuperScript->drawWithSpecialPlacement(painter, xnew, ynew, currentEv, prevNodeSizePtrForSuperscript);
|
|
//i++;
|
|
xnew=qMax(xnewidth, xnew2);
|
|
doDraw=false;
|
|
}
|
|
} else {
|
|
xnew=nodeI_SubScript->drawWithSpecialPlacement(painter, xnew+subscript_xcorrection, ynew, currentEv, prevNodeSizePtrForSubscript);
|
|
doDraw=false;
|
|
}
|
|
} else {
|
|
|
|
if (nodes[i]->isSubSuperscriptAboveBelowNode()) {
|
|
JKQTMathTextSubscriptNode* subn=nullptr;
|
|
JKQTMathTextSuperscriptNode* supn=nullptr;
|
|
JKQTMathTextSubscriptNode* subn2=nullptr;
|
|
JKQTMathTextSuperscriptNode* supn2=nullptr;
|
|
if (i+1<nodes.size()) {
|
|
subn=dynamic_cast<JKQTMathTextSubscriptNode*>(nodes[i+1]);
|
|
supn=dynamic_cast<JKQTMathTextSuperscriptNode*>(nodes[i+1]);
|
|
}
|
|
if (i+2<nodes.size()) {
|
|
subn2=dynamic_cast<JKQTMathTextSubscriptNode*>(nodes[i+2]);
|
|
supn2=dynamic_cast<JKQTMathTextSuperscriptNode*>(nodes[i+2]);
|
|
}
|
|
//std::cout<<"symbol ='"<<s.toStdString()<<"' subn="<<subn<<" supn="<<supn<<"\n";
|
|
if ((subn && supn2) || (subn2 && supn)) { // is this subscript and superscript or superscript and subscript?
|
|
if (!subn) subn=subn2;
|
|
if (!supn) supn=supn2;
|
|
JKQTMathTextEnvironment ev=currentEv;
|
|
ev.fontSize=ev.fontSize*parentMathText->getOperatorsubsuperSizeFactor();
|
|
JKQTMathTextSymbolNode::NodeSize nodeSize;
|
|
JKQTMathTextSymbolNode* symbN=dynamic_cast<JKQTMathTextSymbolNode*>(nodes[i]);
|
|
if (symbN) {
|
|
nodeSize=symbN->getSymbolSize(painter, currentEv);
|
|
} else {
|
|
nodeSize=nodes[i]->getSize(painter, currentEv);
|
|
}
|
|
|
|
|
|
const JKQTMathTextNodeSize sub=subn->getChild()->getSize(painter, ev);
|
|
const JKQTMathTextNodeSize sup=supn->getChild()->getSize(painter, ev);
|
|
const double descent1=nodeSize.getDescent();
|
|
//double d2=oh2-bh2;
|
|
const double descent3=sup.getDescent();
|
|
|
|
const double neww=qMax(qMax(nodeSize.width, sub.width), sup.width)+subsuperextrawidth;
|
|
//double xnewidth=
|
|
const double xn1=nodes[i]->draw(painter, xnew+(neww-nodeSize.width)/2.0, ynew, currentEv);
|
|
i++;
|
|
//double xnew2=
|
|
const double xnsub=subn->getChild()->draw(painter, xnew+(neww-sub.width)/2.0-nodeSize.subSuperAboveBelowXCorrection, ynew+sub.baselineHeight+descent1+subsupershift, ev);
|
|
i++;
|
|
//double xnew3=
|
|
const double xnsup=supn->getChild()->draw(painter, xnew+(neww-sup.width)/2.0+nodeSize.subSuperAboveBelowXCorrection, ynew-nodeSize.baselineHeight-descent3-subsupershift, ev);
|
|
doDraw=false;
|
|
xnew=qMax(qMax(xn1, xnsub), xnsup)+subsuperextrawidth/2.0;
|
|
} else if (subn) { // is this subscript and no following superscript?
|
|
JKQTMathTextEnvironment ev=currentEv;
|
|
ev.fontSize=ev.fontSize*parentMathText->getOperatorsubsuperSizeFactor();
|
|
JKQTMathTextSymbolNode::NodeSize nodeSize;
|
|
JKQTMathTextSymbolNode* symbN=dynamic_cast<JKQTMathTextSymbolNode*>(nodes[i]);
|
|
if (symbN) {
|
|
nodeSize=symbN->getSymbolSize(painter, currentEv);
|
|
} else {
|
|
nodeSize=nodes[i]->getSize(painter, currentEv);
|
|
}
|
|
const JKQTMathTextNodeSize sub=subn->getChild()->getSize(painter, ev);
|
|
const double descent1=nodeSize.getDescent();
|
|
//double d2=oh2-bh2;
|
|
|
|
const double neww=qMax(nodeSize.width, sub.width)+subsuperextrawidth;
|
|
//double xnewidth=
|
|
const double xn1=nodes[i]->draw(painter, xnew+(neww-nodeSize.width)/2.0, ynew, currentEv);
|
|
i++;
|
|
//double xnew2=
|
|
const double xnsub=subn->getChild()->draw(painter, xnew+(neww-sub.width)/2.0-nodeSize.subSuperAboveBelowXCorrection, ynew+sub.baselineHeight+descent1+subsupershift, ev)+subsupershift;
|
|
doDraw=false;
|
|
//xnew+=w;
|
|
xnew=qMax(xnsub, xn1)+subsuperextrawidth/2.0;
|
|
} else if (supn) { // is this superscript and no following subscript?
|
|
JKQTMathTextEnvironment ev=currentEv;
|
|
ev.fontSize=ev.fontSize*parentMathText->getOperatorsubsuperSizeFactor();
|
|
JKQTMathTextSymbolNode::NodeSize nodeSize;
|
|
JKQTMathTextSymbolNode* symbN=dynamic_cast<JKQTMathTextSymbolNode*>(nodes[i]);
|
|
if (symbN) {
|
|
nodeSize=symbN->getSymbolSize(painter, currentEv);
|
|
} else {
|
|
nodeSize=nodes[i]->getSize(painter, currentEv);
|
|
}
|
|
const JKQTMathTextNodeSize sup=supn->getChild()->getSize(painter, ev);
|
|
//double d1=ns.overallHeight-ns.baselineHeight;
|
|
//double d2=oh2-bh2;
|
|
const double descent3=sup.getDescent();
|
|
|
|
const double neww=qMax(nodeSize.width, sup.width)+subsuperextrawidth;
|
|
//double xnewidth=
|
|
const double xn1=nodes[i]->draw(painter, xnew+(neww-nodeSize.width)/2.0, ynew, currentEv);
|
|
i++;
|
|
//double xnew3=
|
|
const double xnsup=supn->getChild()->draw(painter, xnew+(neww-sup.width)/2.0+nodeSize.subSuperAboveBelowXCorrection, ynew-nodeSize.baselineHeight-descent3-subsupershift, ev);
|
|
doDraw=false;
|
|
xnew=qMax(xn1, xnsup)+subsuperextrawidth/2.0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (i<nodes.size() && doDraw) {
|
|
if (nodeI_SuperScript) xnew=nodeI_SuperScript->drawWithSpecialPlacement(painter, xnew, ynew, currentEv, prevNodeSizePtrForSuperscript);
|
|
else if (nodeI_SubScript) xnew=nodeI_SubScript->drawWithSpecialPlacement(painter, xnew+subscript_xcorrection, ynew, currentEv, prevNodeSizePtrForSubscript);
|
|
else xnew=nodes[i]->draw(painter, xnew, ynew, currentEv);
|
|
}
|
|
}
|
|
return xnew;
|
|
}
|
|
|
|
void JKQTMathTextHorizontalListNode::addChild(JKQTMathTextNode *n) {
|
|
n->setParentNode(this);
|
|
nodes.append(n);
|
|
}
|
|
|
|
bool JKQTMathTextHorizontalListNode::toHtml(QString &html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) const {
|
|
bool ok=true;
|
|
for (int i=0; i<nodes.size(); i++) {
|
|
QString h="";
|
|
ok = ok && nodes[i]->toHtml(h, currentEv, defaultEv);
|
|
html=html+h;
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
QList<JKQTMathTextNode *> JKQTMathTextHorizontalListNode::getChildren() {
|
|
return this->nodes;
|
|
}
|
|
|
|
|
|
int JKQTMathTextHorizontalListNode::childCount() const
|
|
{
|
|
return nodes.size();
|
|
}
|
|
|
|
|
|
void JKQTMathTextHorizontalListNode::clearChildrenImpl(bool deleteChildren)
|
|
{
|
|
if (deleteChildren) {
|
|
for (int i=0; i<nodes.size(); i++) {
|
|
delete nodes[i];
|
|
}
|
|
}
|
|
nodes.clear();
|
|
}
|
|
|
|
void JKQTMathTextHorizontalListNode::clearChildren(bool deleteChildren)
|
|
{
|
|
clearChildrenImpl(deleteChildren);
|
|
}
|
|
|
|
void JKQTMathTextHorizontalListNode::deleteChild(int i)
|
|
{
|
|
if (i>=0 && i<nodes.size()) {
|
|
delete nodes[i];
|
|
nodes.removeAt(i);
|
|
}
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextHorizontalListNode::getChild(int i)
|
|
{
|
|
return nodes[i];
|
|
}
|
|
|
|
const JKQTMathTextNode *JKQTMathTextHorizontalListNode::getChild(int i) const
|
|
{
|
|
return nodes[i];
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextHorizontalListNode::replaceChild(int i, JKQTMathTextNode *newChild)
|
|
{
|
|
JKQTMathTextNode* c=nodes[i];
|
|
nodes[i]=newChild;
|
|
newChild->setParentNode(this);
|
|
return c;
|
|
}
|
|
|
|
|
|
JKQTMathTextVerticalListNode::JKQTMathTextVerticalListNode(JKQTMathText *_parent, JKQTMathTextHorizontalAlignment _alignment, double _linespacingFactor, JKQTMathTextLineSpacingMode spacingMode_, JKQTMathTextVerticalOrientation _verticalOrientation):
|
|
JKQTMathTextMultiChildNode(_parent),
|
|
alignment(_alignment),
|
|
lineSpacingFactor(_linespacingFactor),
|
|
verticalOrientation(_verticalOrientation),
|
|
spacingMode(spacingMode_)
|
|
{
|
|
nodes.clear();
|
|
// these operations cause sub/sup script to be typeset over/under the operator, not right besides!
|
|
}
|
|
|
|
JKQTMathTextVerticalListNode::~JKQTMathTextVerticalListNode() {
|
|
clearChildrenImpl(true);
|
|
}
|
|
|
|
QString JKQTMathTextVerticalListNode::getTypeName() const
|
|
{
|
|
return "MTVerticalListNode";
|
|
}
|
|
|
|
JKQTMathTextNodeSize JKQTMathTextVerticalListNode::getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv) const {
|
|
return calcLayout(painter, currentEv);
|
|
}
|
|
|
|
JKQTMathTextVerticalListNode::LayoutInfo JKQTMathTextVerticalListNode::calcLayout(QPainter &painter, JKQTMathTextEnvironment currentEv) const
|
|
{
|
|
LayoutInfo l;
|
|
const QFontMetricsF fm(currentEv.getFont(parentMathText));
|
|
const double linespacing=fm.lineSpacing()*lineSpacingFactor;
|
|
const double fleading=fm.leading();
|
|
const double synLeading=fm.lineWidth();
|
|
const double lineLeading=((fabs(fleading)>1e-6)?fleading:synLeading)*lineSpacingFactor;
|
|
|
|
if (nodes.size()<=0) {
|
|
return l;
|
|
}
|
|
|
|
// from now on we have at least one child node!!!
|
|
|
|
QList<double> widths, heights, ascents, descents, strikeouts;
|
|
double heightSum=0;
|
|
QList<double> ysFromFirstLine; // y-position of each line, where the first line is always at y=0 (i.e. ysFromFirstLine[0]==0)
|
|
double y=0;
|
|
for (int i=0; i<nodes.size(); i++) {
|
|
const JKQTMathTextNodeSize loc=nodes[i]->getSize(painter, currentEv);
|
|
|
|
if (i==0) {
|
|
heightSum=loc.baselineHeight;
|
|
} else if (i>0) {
|
|
double deltaLine=0;
|
|
if (spacingMode==MTSMMinimalSpacing) {
|
|
deltaLine=descents.last()+lineLeading+loc.baselineHeight;
|
|
} else if (spacingMode==MTSMDefaultSpacing) {
|
|
deltaLine=qMax(linespacing, descents.last()+lineLeading+loc.baselineHeight);
|
|
}
|
|
heightSum=heightSum+deltaLine;
|
|
y=y+deltaLine;
|
|
}
|
|
widths<<loc.width;
|
|
l.width=qMax(l.width, loc.width);
|
|
heights<<loc.overallHeight;
|
|
ascents<<loc.baselineHeight;
|
|
descents<<(loc.overallHeight-loc.baselineHeight);
|
|
strikeouts<<loc.strikeoutPos;
|
|
ysFromFirstLine<<y;
|
|
}
|
|
heightSum+=descents.last();
|
|
|
|
l.overallHeight=heightSum;
|
|
double y0=0;
|
|
if (verticalOrientation==MTVOTop) {
|
|
l.baselineHeight=0;
|
|
l.strikeoutPos=0;
|
|
y0=ascents.first();
|
|
} else if (verticalOrientation==MTVOFirstLine) {
|
|
l.baselineHeight=ascents.first();
|
|
l.strikeoutPos=strikeouts.first();
|
|
y0=0;
|
|
} else if (verticalOrientation==MTVOCentered) {
|
|
l.baselineHeight=heightSum/2.0;
|
|
l.strikeoutPos=heightSum/4.0;
|
|
y0=-heightSum/2.0+ascents.first();
|
|
} else if (verticalOrientation==MTVOLastLine) {
|
|
l.baselineHeight=heightSum-descents.last();
|
|
l.strikeoutPos=strikeouts.last();
|
|
y0=-(heightSum-ascents.first()-descents.last());
|
|
} else if (verticalOrientation==MTVOBottom) {
|
|
l.baselineHeight=heightSum;
|
|
l.strikeoutPos=0;
|
|
y0=-(heightSum-ascents.first());
|
|
}
|
|
for (int i=0; i<nodes.size(); i++) {
|
|
double x=0;
|
|
if (alignment==MTHARight) x=l.width-widths[i];
|
|
else if (alignment==MTHACentered) x=(l.width-widths[i])/2.0;
|
|
l.X<<QPointF(x,ysFromFirstLine[i]+y0);
|
|
}
|
|
return l;
|
|
}
|
|
|
|
double JKQTMathTextVerticalListNode::draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv) const {
|
|
doDrawBoxes(painter, x, y, currentEv);
|
|
const LayoutInfo l=calcLayout(painter, currentEv);
|
|
for (int i=0; i<nodes.size(); i++) {
|
|
nodes[i]->draw(painter, x+l.X.at(i).x(), y+l.X.at(i).y(), currentEv);
|
|
}
|
|
return x+l.width;
|
|
}
|
|
|
|
void JKQTMathTextVerticalListNode::addChild(JKQTMathTextNode *n) {
|
|
n->setParentNode(this);
|
|
nodes.append(n);
|
|
}
|
|
|
|
bool JKQTMathTextVerticalListNode::toHtml(QString &html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) const {
|
|
bool ok=true;
|
|
if (alignment==MTHALeft) {
|
|
html+="<div align=\"left\">";
|
|
} else if (alignment==MTHACentered) {
|
|
html+="<div align=\"center\">";
|
|
} else if (alignment==MTHARight) {
|
|
html+="<div align=\"right\">";
|
|
}
|
|
for (int i=0; i<nodes.size(); i++) {
|
|
QString h="";
|
|
ok = ok && nodes[i]->toHtml(h, currentEv, defaultEv);
|
|
if (i==0) html=html+h;
|
|
else html=html+"<br/>"+h;
|
|
}
|
|
html+="</div>";
|
|
return ok;
|
|
}
|
|
|
|
QList<JKQTMathTextNode *> JKQTMathTextVerticalListNode::getChildren() {
|
|
return this->nodes;
|
|
}
|
|
|
|
|
|
int JKQTMathTextVerticalListNode::childCount() const
|
|
{
|
|
return nodes.size();
|
|
}
|
|
|
|
|
|
void JKQTMathTextVerticalListNode::clearChildrenImpl(bool deleteChildren)
|
|
{
|
|
if (deleteChildren) {
|
|
for (int i=0; i<nodes.size(); i++) {
|
|
delete nodes[i];
|
|
}
|
|
}
|
|
nodes.clear();
|
|
}
|
|
|
|
void JKQTMathTextVerticalListNode::deleteChild(int i)
|
|
{
|
|
if (i>=0 && i<nodes.size()) {
|
|
delete nodes[i];
|
|
nodes.removeAt(i);
|
|
}
|
|
}
|
|
void JKQTMathTextVerticalListNode::clearChildren(bool deleteChildren)
|
|
{
|
|
clearChildrenImpl(deleteChildren);
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextVerticalListNode::getChild(int i)
|
|
{
|
|
return nodes[i];
|
|
}
|
|
|
|
const JKQTMathTextNode *JKQTMathTextVerticalListNode::getChild(int i) const
|
|
{
|
|
return nodes[i];
|
|
}
|
|
|
|
JKQTMathTextNode *JKQTMathTextVerticalListNode::replaceChild(int i, JKQTMathTextNode *newChild)
|
|
{
|
|
JKQTMathTextNode* c=nodes[i];
|
|
nodes[i]=newChild;
|
|
newChild->setParentNode(this);
|
|
return c;
|
|
}
|
|
|
|
JKQTMathTextHorizontalAlignment JKQTMathTextVerticalListNode::getAlignment() const
|
|
{
|
|
return alignment;
|
|
}
|
|
|
|
JKQTMathTextVerticalOrientation JKQTMathTextVerticalListNode::getVerticalOrientation() const
|
|
{
|
|
return verticalOrientation;
|
|
}
|
|
|
|
double JKQTMathTextVerticalListNode::getLineSpacingFactor() const
|
|
{
|
|
return lineSpacingFactor;
|
|
}
|
|
|
|
JKQTMathTextLineSpacingMode JKQTMathTextVerticalListNode::getSpacingMode() const
|
|
{
|
|
return spacingMode;
|
|
}
|
|
|
|
void JKQTMathTextVerticalListNode::setAlignment(JKQTMathTextHorizontalAlignment value)
|
|
{
|
|
alignment=value;
|
|
}
|
|
|
|
void JKQTMathTextVerticalListNode::setVerticalOrientation(JKQTMathTextVerticalOrientation value)
|
|
{
|
|
verticalOrientation=value;
|
|
}
|
|
|
|
void JKQTMathTextVerticalListNode::setLineSpacingFactor(double value)
|
|
{
|
|
lineSpacingFactor=value;
|
|
}
|
|
|
|
void JKQTMathTextVerticalListNode::setSpacingMode(JKQTMathTextLineSpacingMode value)
|
|
{
|
|
spacingMode=value;
|
|
}
|
|
|
|
JKQTMathTextVerticalListNode::LayoutInfo::LayoutInfo():
|
|
JKQTMathTextNodeSize(), X()
|
|
{}
|
|
|
|
|
|
|
|
JKQTMathTextVerticalListNode::LayoutInfo::LayoutInfo(const JKQTMathTextNodeSize &other):
|
|
JKQTMathTextNodeSize(other),
|
|
X()
|
|
{
|
|
|
|
}
|
|
|
|
JKQTMathTextVerticalListNode::LayoutInfo &JKQTMathTextVerticalListNode::LayoutInfo::operator=(const JKQTMathTextNodeSize &other)
|
|
{
|
|
JKQTMathTextNodeSize::operator=(other);
|
|
X.clear();
|
|
return *this;
|
|
}
|
|
|
|
JKQTMathTextVerticalListNode::LayoutInfo &JKQTMathTextVerticalListNode::LayoutInfo::operator=(const LayoutInfo &other)
|
|
{
|
|
JKQTMathTextNodeSize::operator=(dynamic_cast<const JKQTMathTextNodeSize&>(other));
|
|
X=other.X;
|
|
return *this;
|
|
}
|
|
|
|
JKQTMathTextVerticalListNode::LayoutInfo::LayoutInfo(const LayoutInfo &other):
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JKQTMathTextNodeSize(dynamic_cast<const JKQTMathTextNodeSize&>(other)),
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X(other.X)
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{
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}
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