mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-15 18:15:52 +08:00
246 lines
9.0 KiB
C++
246 lines
9.0 KiB
C++
/*
|
|
Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
|
|
|
|
|
|
|
|
This software is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License (LGPL) as published by
|
|
the Free Software Foundation, either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License (LGPL) for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License (LGPL)
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
|
|
#include "jkqtmathtext/nodes/jkqtmathtexttextnode.h"
|
|
#include "jkqtmathtext/jkqtmathtexttools.h"
|
|
#include "jkqtmathtext/nodes/jkqtmathtextnode.h"
|
|
#include "jkqtmathtext/jkqtmathtext.h"
|
|
#include "jkqtcommon/jkqtpcodestructuring.h"
|
|
#include "jkqtcommon/jkqtpstringtools.h"
|
|
#include <cmath>
|
|
#include <QFontMetricsF>
|
|
#include <QDebug>
|
|
#include <QFontDatabase>
|
|
#include <QFontInfo>
|
|
#include <QApplication>
|
|
#include <QFont>
|
|
|
|
|
|
JKQTMathTextTextNode::JKQTMathTextTextNode(JKQTMathText* _parent, const QString& textIn, bool addWhitespace, bool stripInnerWhitepace):
|
|
JKQTMathTextNode(_parent)
|
|
{
|
|
QString text=textIn;
|
|
|
|
if (stripInnerWhitepace) {
|
|
text="";
|
|
for (int i=0; i<textIn.size(); i++) {
|
|
if (!textIn[i].isSpace()) text+=textIn[i];
|
|
}
|
|
}
|
|
|
|
this->text=text;
|
|
// strip all whitespace from left
|
|
while (this->text.size()>1 && this->text[0].isSpace()) {
|
|
this->text=this->text.right(this->text.size()-1);
|
|
}
|
|
if (addWhitespace && (this->text.size()>0) && (!this->text[this->text.size()-1].isSpace())) this->text=this->text+" ";
|
|
//qDebug()<<"JKQTMathTextTextNode( text="<<text<<" addWhitespace="<<addWhitespace<<") [=> this->text="<<this->text<<"]";
|
|
}
|
|
|
|
JKQTMathTextTextNode::~JKQTMathTextTextNode() = default;
|
|
|
|
void JKQTMathTextTextNode::getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* /*prevNodeSize*/) {
|
|
QFont f=currentEv.getFont(parentMathText);
|
|
if (currentEv.insideMath && (text=="(" || text=="[" || text=="|" || text=="]" || text==")" || text=="<" || text==">" ||
|
|
text==QString(QChar(0x2329)) || text==QString(QChar(0x232A)) || text==QString(QChar(0x2308)) ||
|
|
text==QString(QChar(0x2309)) || text==QString(QChar(0x230A)) || text==QString(QChar(0x230B)))) {
|
|
f.setItalic(false);
|
|
}
|
|
QString txt=textTransform(text, currentEv, true);
|
|
QFontMetricsF fm(f, painter.device());
|
|
QRectF br=fm.boundingRect(txt);
|
|
QRectF tbr=JKQTMathTextGetTightBoundingRect(f, txt, painter.device()); //fm.tightBoundingRect(txt);
|
|
if (txt=="|") {
|
|
br=fm.boundingRect("X");
|
|
tbr=QRectF(0,0,fm.boundingRect("X").width(), fm.ascent());//fm.boundingRect("X");
|
|
br.setWidth(0.7*br.width());
|
|
}
|
|
width=br.width();//width(text);
|
|
|
|
if (txt.size()>0) {
|
|
if (txt[0].isSpace() /*&& br.width()<=0*/) width=width+fm.boundingRect("I").width();
|
|
if (txt.size()>1 && txt[txt.size()-1].isSpace() /*&& (fm.boundingRect("a ").width()==fm.boundingRect("a").width())*/) width=width+fm.boundingRect("I").width();
|
|
}
|
|
|
|
//qDebug()<<"text: "<<text<<" "<<tbr.height()<<tbr.top()<<tbr.bottom();
|
|
overallHeight=tbr.height()*1.1; //fm.height();
|
|
baselineHeight=1.1*(tbr.height()-(tbr.height()+tbr.top()));//fm.ascent();
|
|
strikeoutPos=fm.strikeOutPos()*1.1;
|
|
}
|
|
|
|
double JKQTMathTextTextNode::draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize* /*prevNodeSize*/) {
|
|
doDrawBoxes(painter, x, y, currentEv);
|
|
double width=0;
|
|
double baselineHeight=0;
|
|
double overallHeight=0;
|
|
double sp=0;
|
|
getSize(painter, currentEv, width, baselineHeight, overallHeight, sp);
|
|
|
|
QString txt=textTransform(text, currentEv);
|
|
|
|
bool hasDigits=false;
|
|
bool onlyDigits=true;
|
|
for (int i=0; i<txt.size(); i++) {
|
|
if (txt[i].isDigit()) {
|
|
hasDigits=true;
|
|
}
|
|
if (!txt[i].isDigit() && !txt[i].isSpace()) {
|
|
onlyDigits=false;
|
|
}
|
|
}
|
|
|
|
|
|
QPen pold=painter.pen();
|
|
QFont fold=painter.font();
|
|
QFont f=currentEv.getFont(parentMathText);
|
|
if (currentEv.insideMath && (text=="(" || text=="[" || text=="|" || text=="]" || text==")" || text=="<" || text==">" ||
|
|
text==QString(QChar(0x2329)) || text==QString(QChar(0x232A)) || text==QString(QChar(0x2308)) ||
|
|
text==QString(QChar(0x2309)) || text==QString(QChar(0x230A)) || text==QString(QChar(0x230B)))) {
|
|
f.setItalic(false);
|
|
}
|
|
|
|
|
|
if (onlyDigits && currentEv.insideMath) {
|
|
f.setItalic(false);
|
|
}
|
|
|
|
painter.setFont(f);
|
|
|
|
//qDebug()<<"JKQTMathTextTextNode: text="<<text<<" font="<<f;
|
|
|
|
QPen p=painter.pen();
|
|
p.setColor(currentEv.color);
|
|
painter.setPen(p);
|
|
double dx=0;
|
|
QFontMetricsF fm(f, painter.device());
|
|
/*if (txt.size()>1 && txt[txt.size()-1].isSpace()) {
|
|
QFontMetricsF fm(f, painter.device());
|
|
//if ((fm.QFMF_WIDTH("a ")==fm.QFMF_WIDTH("a"))) dx=fm.boundingRect("I").QFMF_WIDTH();
|
|
}*/
|
|
|
|
if (!hasDigits || !f.italic()) {
|
|
if (currentEv.font==MTEblackboard && parentMathText->isFontBlackboardSimulated()) {
|
|
QPainterPath path;
|
|
path.addText(QPointF(x+dx, y), f, txt);
|
|
painter.drawPath(path);
|
|
} else {
|
|
painter.drawText(QPointF(x+dx, y), txt);//.simplified());
|
|
}
|
|
} else {
|
|
int i=0;
|
|
double xx=x+dx;
|
|
QFont ff=f;
|
|
QFontMetricsF fmff(ff, painter.device());
|
|
ff.setItalic(false);
|
|
while (i<txt.size()) {
|
|
if (txt[i].isDigit()) {
|
|
if (currentEv.font==MTEblackboard && parentMathText->isFontBlackboardSimulated()) {
|
|
QPainterPath path;
|
|
path.addText(QPointF(xx, y), ff, QString(txt[i]));
|
|
painter.drawPath(path);
|
|
} else {
|
|
painter.setFont(ff);
|
|
painter.drawText(QPointF(xx, y), QString(txt[i]));
|
|
}
|
|
xx=xx+fmff.boundingRect(txt[i]).width();
|
|
} else {
|
|
if (currentEv.font==MTEblackboard && parentMathText->isFontBlackboardSimulated()) {
|
|
QPainterPath path;
|
|
path.addText(QPointF(xx, y), f, QString(txt[i]));
|
|
painter.drawPath(path);
|
|
} else {
|
|
painter.setFont(f);
|
|
painter.drawText(QPointF(xx, y), QString(txt[i]));
|
|
}
|
|
xx=xx+fm.boundingRect(txt[i]).width();
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
painter.setPen(pold);
|
|
painter.setFont(fold);
|
|
|
|
return x+width;
|
|
}
|
|
|
|
bool JKQTMathTextTextNode::toHtml(QString &html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) {
|
|
html=html+currentEv.toHtmlStart(defaultEv, parentMathText)+text+currentEv.toHtmlAfter(defaultEv, parentMathText);
|
|
return true;
|
|
}
|
|
|
|
QString JKQTMathTextTextNode::getText() const {
|
|
return this->text;
|
|
}
|
|
|
|
QString JKQTMathTextTextNode::getTypeName() const
|
|
{
|
|
return QLatin1String("JKQTMathTextTextNode(")+text+")";
|
|
}
|
|
|
|
QString JKQTMathTextTextNode::textTransform(const QString &text, JKQTMathTextEnvironment currentEv, bool /*forSize*/)
|
|
{
|
|
QString txt=text;
|
|
auto fnt=parentMathText->getFontData(currentEv.font, currentEv.insideMath);
|
|
if (fnt.second==MTFEUnicode || fnt.second==MTFEUnicode) {
|
|
if (currentEv.insideMath) {
|
|
txt="";
|
|
for (int i=0; i<text.size(); i++) {
|
|
QChar c=text[i];
|
|
switch(c.unicode()) {
|
|
case '-': txt+=QString(QString(" ")+QChar(0x2212)); break;
|
|
case '+': txt+=QString(QString(" +")); break;
|
|
case '/': txt+=QString(QString(" /")); break;
|
|
case '<': txt+=QString(QString(" <")); break;
|
|
case '>': txt+=QString(QString(" >")); break;
|
|
case '=': txt+=QString(QString(" =")); break;
|
|
case ';': txt+=QString(QString("; ")); break;
|
|
case ',': txt+=QString(QString(", ")); break;
|
|
default: txt+=c; break;
|
|
}
|
|
}
|
|
txt=txt.replace(" ", " ");
|
|
}
|
|
}
|
|
|
|
return txt;
|
|
}
|
|
|
|
|
|
|
|
MTplainTextNode::MTplainTextNode(JKQTMathText *_parent, const QString& _text, bool addWhitespace, bool stripInnerWhitepace):
|
|
JKQTMathTextTextNode(_parent, _text, addWhitespace, stripInnerWhitepace)
|
|
{
|
|
|
|
}
|
|
|
|
QString MTplainTextNode::getTypeName() const
|
|
{
|
|
return QLatin1String("MTplainTextNode(")+text+")";
|
|
}
|
|
|
|
|
|
QString MTplainTextNode::textTransform(const QString &_text, JKQTMathTextEnvironment /*currentEv*/, bool /*forSize*/)
|
|
{
|
|
return _text;
|
|
}
|
|
|
|
|