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#include <QMessageBox>
#include <QTextStream>
#include <QFile>
#include <QDebug>
#include "Backend.hpp"
#include <mgl2/mgl.h>
#undef sprintf // fix libintl bug of defining sprintf
//-----------------------------------------------------------------------------
Backend::Backend(QObject *parent) : QObject(parent) { }
//-----------------------------------------------------------------------------
QString Backend::show(const QString& text) const
{
static size_t counter=size_t(0xffffffff*mgl_rnd());
char tmp[256];
snprintf(tmp,256,"%s/mathgl%lu.json", P_tmpdir, counter);
tmp[255]=0; counter++;
qDebug() << __FUNCTION__;
wchar_t *wtext;
mglGraph gr;
gr.SetFaceNum(200);
mglParse pr;
pr.AllowSetSize(true);
setlocale(LC_ALL, ""); setlocale(LC_NUMERIC, "C");
wtext = new wchar_t[text.size()+1];
text.toWCharArray(wtext);
wtext[text.size()] = 0;
pr.Execute(&gr,wtext);
delete[] wtext;
gr.WriteJSON(tmp);
setlocale(LC_NUMERIC, "");
QFile f(tmp);
f.open(QIODevice::ReadOnly);
QTextStream ts(&f);
ts.setAutoDetectUnicode(true);
const QString json = ts.readAll();
f.remove();
return json;
}
//-----------------------------------------------------------------------------
QString Backend::coor(const QString& xy, const QString& text) const
{
wchar_t *wtext;
qDebug() << __FUNCTION__;
mglGraph gr;
mglParse pr;
pr.AllowSetSize(true);
setlocale(LC_ALL, ""); setlocale(LC_NUMERIC, "C");
wtext = new wchar_t[text.size()+1];
text.toWCharArray(wtext);
wtext[text.size()] = 0;
pr.Execute(&gr,wtext);
delete[] wtext;
gr.Finish();
int x = (int)xy.section(" ",0,0).toDouble();
int y = (int)xy.section(" ",1,1).toDouble();
mglPoint p = gr.CalcXYZ(x,y);
QString res = QString("x = %1, y = %2, z = %3 for point (%4, %5)\n").arg(p.x).arg(p.y).arg(p.z).arg(x).arg(y);
qDebug() << res+"\nask"+xy;
return res+"\nask"+xy;
}
//-----------------------------------------------------------------------------
QString Backend::geometry(const QString& mgl) const
{
qDebug() << __FUNCTION__;
char tmp[256];
static size_t counter=size_t(0xffffffff*mgl_rnd());
snprintf(tmp,256,"%s/mathgl%lu.json", P_tmpdir, counter);
tmp[255]=0; counter++;
wchar_t *wmgl;
mglGraph gr;
#if 0
gr.SetFaceNum(200);
#endif
mglParse pr;
pr.AllowSetSize(true);
setlocale(LC_ALL, ""); setlocale(LC_NUMERIC, "C");
wmgl = new wchar_t[mgl.size()+1];
mgl.toWCharArray(wmgl);
wmgl[mgl.size()] = 0;
pr.Execute(&gr,wmgl);
delete[] wmgl;
gr.WriteJSON(tmp);
setlocale(LC_NUMERIC, "");
QFile f(tmp);
f.open(QIODevice::ReadOnly);
QTextStream ts(&f);
ts.setAutoDetectUnicode(true);
const QString json = ts.readAll();
f.remove();
return json;
}
//-----------------------------------------------------------------------------
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