C++ KstVectorPtr::readLock方法代码示例

int KST::vectorToFile(KstVectorPtr v, QFile *f) {
  KstApp *app = KstApp::inst();
#define BSIZE 128
  char buf[BSIZE];

  v->readLock();

  int vSize = v->length();
  double *value = v->value();
  register int modval;
  QString saving = i18n("Saving vector %1").arg(v->tagName());

  modval = QMAX(vSize/100, 100);

  QString ltxt = "; " + v->tagName() + '\n';
  f->writeBlock(ltxt.ascii(), ltxt.length());
  ltxt.fill('-');
  ltxt[0] = ';';
  ltxt[1] = ' ';
  ltxt[ltxt.length() - 1] = '\n';
  f->writeBlock(ltxt.ascii(), ltxt.length());

  app->slotUpdateProgress(vSize, 0, QString::null);

  for (int i = 0; i < vSize; i++) {
    int l = snprintf(buf, BSIZE, "%.15g\n", value[i]);
    f->writeBlock(buf, l);
    if (i % modval == 0) {
      app->slotUpdateProgress(vSize, i, saving);
    }
  }

  v->readUnlock();

  app->slotUpdateProgress(0, 0, QString::null);

#undef BSIZE
  return 0;
}

void renderLabel(RenderContext& rc, Label::Chunk *fi) {
  // FIXME: RTL support
  int oldSize = rc.size;
  int oldY = rc.y;
  int oldX = rc.x;
  
  while (fi) {
    if (fi->vOffset != Label::Chunk::None) {
      if (fi->vOffset == Label::Chunk::Up) {
        rc.y -= int(0.4 * rc.fontHeight());
      } else { // Down
        rc.y += int(0.4 * rc.fontHeight());
      }
      if (rc.size > 5) {
        rc.size = (rc.size*2)/3;
      }
    }

    QFont f = rc.font();
    if (rc.fontSize() != rc.size) {
      f.setPointSize(rc.size);
    }

    f.setBold(fi->attributes.bold);
    f.setItalic(fi->attributes.italic);
    f.setUnderline(fi->attributes.underline);
    if (rc.p && fi->attributes.color.isValid()) {
      rc.p->setPen(fi->attributes.color);
    } else if (rc.p) {
      rc.p->setPen(rc.pen);
    }
    rc.setFont(f);

    if (fi->linebreak) {
      rc.x = oldX;
      rc.y += rc.fontAscent() + rc.fontDescent() + 1;
      fi = fi->next;
      continue;
    }

    if (!rc.substitute && (fi->scalar || fi->vector)) {
      QString txt = QString("[") + fi->text + "]";
      if (rc.p) {
        rc.p->drawText(rc.x, rc.y, txt);
      }
      rc.x += rc.fontWidth(txt);
    } else if (fi->scalar) { 
      // do scalar/string/fit substitution
      QString txt;
      if (!fi->text.isEmpty() && fi->text[0] == '=') {
        // Parse and evaluate as an equation
        bool ok = false;
        const double eqResult(Equation::interpret(fi->text.mid(1).latin1(), &ok));
        txt = QString::number(eqResult, 'g', rc.precision);
        if (rc._cache) {
          rc._cache->append(DataRef(DataRef::DRExpression, fi->text, QString::null, 0.0, QVariant(eqResult)));
        }
      } else {
        KST::scalarList.lock().readLock();
        KstScalarPtr scp = *KST::scalarList.findTag(fi->text);
        KST::scalarList.lock().unlock();
        if (scp) {
          scp->readLock();
          txt = QString::number(scp->value(), 'g', rc.precision);
          if (rc._cache) {
            rc._cache->append(DataRef(DataRef::DRScalar, fi->text, QString::null, 0.0, QVariant(scp->value())));
          }
          scp->unlock();
        } else {
          KST::stringList.lock().readLock();
          KstStringPtr stp = *KST::stringList.findTag(fi->text);
          KST::stringList.lock().unlock();
          if (stp) {
            stp->readLock();
            txt = stp->value();
            if (rc._cache) {
              rc._cache->append(DataRef(DataRef::DRString, fi->text, QString::null, 0.0, QVariant(stp->value())));
            }
            stp->unlock();
          } else {
            KST::dataObjectList.lock().readLock();
            KstDataObjectList::Iterator oi = KST::dataObjectList.findTag(fi->text);
            KST::dataObjectList.lock().unlock();
            if (oi != KST::dataObjectList.end()) {
              KstPluginPtr fit = kst_cast<KstPlugin>(*oi);
              if (fit) {
                fit->readLock();
                const QString txtAll = fit->label(rc.precision);
                fit->unlock();
                
                const QValueList<QString> strList = QStringList::split('\n', txtAll);
                QValueListConstIterator<QString> last = --(strList.end());
                for (QValueListConstIterator<QString> iter = strList.begin(); iter != strList.end(); ++iter) {
                  txt = (*iter);

                  if (iter != last) {
                    if (rc.p) {
                      rc.p->drawText(rc.x, rc.y, txt);
                    } else {
                      rc.ascent = kMax(rc.ascent, -rc.y + rc.fontAscent());
//.........这里部分代码省略.........

bool KstEqDialogI::newObject() {
  QString tag_name = _tagName->text();
  QString etext = _w->_equation->text();
  etext.remove(QRegExp("[^a-zA-Z0-9\\(\\)\\+\\-\\*/\\%\\^\\|\\&\\!<>=_.]"));
  if (etext.length() > 12) {
    etext.truncate(12);
    etext += "...";
  }

  if (tag_name == defaultTag) {
    tag_name = KST::suggestEQName(etext);
  }

  /* verify that the curve name is unique */
  if (KstData::self()->dataTagNameNotUnique(tag_name)) {
    _tagName->setFocus();
    return false;
  }

  if (!checkEntries()) {
    return false;
  }

  KST::vectorList.lock().readLock();
  /* find *V */
  KstVectorPtr vp = *KST::vectorList.findTag(_w->_xVectors->selectedVector());
  if (!vp) {
    kstdFatal() << "Bug in kst: the Vector field (Eq) "
                << "refers to a non-existent vector..." << endl;
  }
  KST::vectorList.lock().unlock();

  /** Create the equation here */
  vp->readLock();
  KstEquationPtr eq = new KstEquation(tag_name, _w->_equation->text(), vp, _w->_doInterpolation->isChecked());
  vp->unlock();

  if (!eq->isValid()) {
    eq = 0L;
    QString parseErrors;
    for (QStringList::ConstIterator i = Equation::errorStack.begin(); i != Equation::errorStack.end(); ++i) {
      parseErrors += *i;
      parseErrors += "\n";
    }

    KMessageBox::detailedSorry(this, i18n("There is an error in the equation you entered."), parseErrors);
    return false;
  }

  KstVCurvePtr vc = new KstVCurve(KST::suggestCurveName(tag_name, true), eq->vX(), eq->vY(), 0L, 0L, 0L, 0L, _w->_curveAppearance->color());
  vc->setHasPoints(_w->_curveAppearance->showPoints());
  vc->setHasLines(_w->_curveAppearance->showLines());
  vc->setHasBars(_w->_curveAppearance->showBars());
  vc->setLineWidth(_w->_curveAppearance->lineWidth());
  vc->setLineStyle(_w->_curveAppearance->lineStyle());
  vc->pointType = _w->_curveAppearance->pointType();
  vc->setPointDensity(_w->_curveAppearance->pointDensity());
  vc->setBarStyle(_w->_curveAppearance->barStyle());
  
  QString legend_text = _legendText->text();
  if (legend_text == defaultTag) {
    vc->setLegendText(QString(""));
  } else {
    vc->setLegendText(legend_text);
  }

  KstViewWindow *w = dynamic_cast<KstViewWindow*>(KstApp::inst()->findWindow(_w->_curvePlacement->_plotWindow->currentText()));
  if (!w) {
    QString n = KstApp::inst()->newWindow(KST::suggestWinName());
    w = dynamic_cast<KstViewWindow*>(KstApp::inst()->findWindow(n));
  }

  if (w) {
    Kst2DPlotPtr plot;
    if (_w->_curvePlacement->existingPlot()) {
      /* assign curve to plot */
      plot = kst_cast<Kst2DPlot>(w->view()->findChild(_w->_curvePlacement->plotName()));
      if (plot) {
        plot->addCurve(vc.data());
      }
    }

    if (_w->_curvePlacement->newPlot()) {
      /* assign curve to plot */
      QString name = w->createObject<Kst2DPlot>(KST::suggestPlotName());
      if (_w->_curvePlacement->reGrid()) {
        w->view()->cleanup(_w->_curvePlacement->columns());
      }
      plot = kst_cast<Kst2DPlot>(w->view()->findChild(name));
      if (plot) {
        _w->_curvePlacement->update();
        _w->_curvePlacement->setCurrentPlot(plot->tagName());
        plot->addCurve(vc.data());
        plot->generateDefaultLabels();
      }
    }
  }

  KST::dataObjectList.lock().writeLock();
  KST::dataObjectList.append(eq.data());
//.........这里部分代码省略.........

void KstObjectItem::update(bool recursive, int localUseCount) {
  switch (_rtti) {
    case RTTI_OBJ_DATA_VECTOR:
    {
      KST::vectorList.lock().readLock();
      KstRVectorPtr x = kst_cast<KstRVector>(*KST::vectorList.findTag(_tag));
      KST::vectorList.lock().unlock();
      if (x) {
        x->readLock();
        // getUsage: subtract 1 for KstRVectorPtr x
        bool inUse = (x->getUsage() - 1 - localUseCount) > 0;
        if (inUse != _inUse) {
          _inUse = inUse;
          setPixmap(2, inUse ? _dm->yesPixmap() : QPixmap());
        }
        QString field;
        if (inUse) {
          field = QString::number(x->length());
        } else {
          field = "-";
        }
        if (text(3) != field) {
          setText(3, field);
        }
        field = i18n("%3: %4 [%1..%2]").arg(x->reqStartFrame())
            .arg(x->reqStartFrame() + x->reqNumFrames())
            .arg(x->filename())
            .arg(x->field());
        if (text(4) != field) {
          setText(4, field);
        }
        _removable = x->getUsage() == 2;
        x->unlock();
      }
      // Hmmm what happens if this if() fails??  We become inconsistent?
      break;
    }
    case RTTI_OBJ_STATIC_VECTOR:
    {
      KST::vectorList.lock().readLock();
      KstSVectorPtr x = kst_cast<KstSVector>(*KST::vectorList.findTag(_tag));
      KST::vectorList.lock().unlock();
      if (x) {
        x->readLock();
        // getUsage: subtract 1 for KstRVectorPtr x
        bool inUse = (x->getUsage() - 1 - localUseCount) > 0;
        if (inUse != _inUse) {
          _inUse = inUse;
          setPixmap(2, inUse ? _dm->yesPixmap() : QPixmap());
        }
        QString field;
        if (inUse) {
          field = QString::number(x->length());
        } else {
          field = "-";
        }
        if (text(3) != field) {
          setText(3, field);
        }
        field = i18n("%1 to %2").arg(x->min()).arg(x->max());
        if (text(4) != field) {
          setText(4, field);
        }
        _removable = x->getUsage() == 2;
        x->unlock();
      }
      // Hmmm what happens if this if() fails??  We become inconsistent?
      break;
    }
    case RTTI_OBJ_VECTOR:
    {
      KST::vectorList.lock().readLock();
      KstVectorPtr x = *KST::vectorList.findTag(_tag);
      KST::vectorList.lock().unlock();
      if (x) {
        x->readLock();
        // getUsage:
        //  subtract 1 for KstVectorPtr x
        bool inUse = (x->getUsage() - 1 - localUseCount) > 0;
        if (inUse != _inUse) {
          _inUse = inUse;
          setPixmap(2, inUse ? _dm->yesPixmap() : QPixmap());
        }
        QString field = QString::number(x->length());
        if (text(3) != field) {
          setText(3, field);
        }
        field = i18n("[%1..%2]").arg(x->min()).arg(x->max());
        if (text(4) != field) {
          setText(4, field);
        }
        x->unlock();
        _removable = false;
      }
      break;
    }
    case RTTI_OBJ_OBJECT:
    {
      KST::dataObjectList.lock().readLock();
      KstDataObjectPtr x = *KST::dataObjectList.findTag(_tag.tag());
//.........这里部分代码省略.........

void KstViewLabel::DataCache::update() {
  for (QValueVector<DataRef>::ConstIterator i = data.begin(); valid && i != data.end(); ++i) {
    switch ((*i).type) {
      case DataRef::DataRef::DRScalar:
        {
          KST::scalarList.lock().readLock();
          KstScalarPtr p = *KST::scalarList.findTag((*i).name);
          KST::scalarList.lock().unlock();
          if (p) {
            p->readLock();
            if (QVariant(p->value()) != (*i).value) {
              valid = false;
            }
            p->unlock();
          }
        }
        break;

      case DataRef::DRString:
        {
          KST::stringList.lock().readLock();
          KstStringPtr p = *KST::stringList.findTag((*i).name);
          KST::stringList.lock().unlock();
          if (p) {
            p->readLock();
            if (QVariant(p->value()) != (*i).value) {
              valid = false;
            }
            p->unlock();
          }
        }
        break;

      case DataRef::DRExpression:
        {
          bool ok = false;
          const double val = Equation::interpret((*i).name.latin1(), &ok, (*i).name.length());
          if (QVariant(val) != (*i).value) {
            valid = false;
          }
        }
        break;

      case DataRef::DRVector:
        {
          bool ok = false;
          const double idx = Equation::interpret((*i).index.latin1(), &ok, (*i).index.length());
          if (idx != (*i).indexValue) {
            valid = false;
            break;
          }
          KST::vectorList.lock().readLock();
          KstVectorPtr p = *KST::vectorList.findTag((*i).name);
          KST::vectorList.lock().unlock();
          if (p) {
            p->readLock();
            if (QVariant(p->value(int((*i).indexValue))) != (*i).value) {
              valid = false;
            }
            p->unlock();
          }
        }
        break;

      case DataRef::DataRef::DRFit:
        {
          KST::dataObjectList.lock().readLock();
          KstDataObjectList::Iterator oi = KST::dataObjectList.findTag((*i).name);
          KST::dataObjectList.lock().unlock();
          if (oi != KST::dataObjectList.end()) {
            KstCPluginPtr fit = kst_cast<KstCPlugin>(*oi);
            if (fit) {
              fit->readLock(); 
              if (fit->label((int)((*i).indexValue)) != (*i).index) {
                valid = false;
              }
              fit->unlock();
            }
          }
        }
        break;
    }
  }
}

void KstViewFitsDialog::fitChanged(const QString& strFit) {
  KstCPluginList fits;
  KstCPluginPtr plugin;
  double* params = 0L;
  double* covars = 0L;
  double chi2Nu = 0.0;
  int numParams = 0;
  int numCovars = 0;
  int i;

  fits = kstObjectSubList<KstDataObject,KstCPlugin>(KST::dataObjectList);
  plugin = *(fits.findTag(strFit));
  if (plugin) {
    KstScalarPtr scalarChi2Nu;
    KstVectorPtr vectorParam;
    plugin->readLock();

    const KstScalarMap& scalars = plugin->outputScalars();
    
    scalarChi2Nu = scalars["chi^2/nu"];
    if (scalarChi2Nu) {
      scalarChi2Nu->readLock();
      chi2Nu = scalarChi2Nu->value();
      scalarChi2Nu->unlock();
    }

    const KstVectorMap& vectors = plugin->outputVectors();
    vectorParam = vectors["Parameters"];

    if (vectorParam) {
      KstVectorPtr vectorCovar;

      vectorParam->readLock();
      vectorCovar = vectors["Covariance"];
      if (vectorCovar) {
        vectorCovar->readLock();
        numParams = vectorParam->length();
        numCovars = vectorCovar->length();

        if (numParams > 0 && numCovars > 0) {
          params = new double[numParams];
          covars = new double[numCovars];

          for (i = 0; i < numParams; i++) {
            params[i] = vectorParam->value(i);
          }

          for (i = 0; i < numCovars; i++) {
            covars[i] = vectorCovar->value(i);
          }
        }
        vectorCovar->unlock();
      }
      vectorParam->unlock();
    }
    plugin->unlock();
  }

  _tableFits->setParameters(params, numParams, covars, numCovars, chi2Nu);

  if (numParams > 0) {
    _tableFits->horizontalHeaderItem(0)->setText(QObject::tr("Value"));
    _tableFits->horizontalHeaderItem(1)->setText(QObject::tr("Covariance:"));

    _tableFits->verticalHeaderItem(numParams+0)->setText("---");
    _tableFits->verticalHeaderItem(numParams+1)->setText(QObject::tr("Chi^2/Nu"));

    if (plugin) {
      QExplicitlySharedDataPointer<Plugin> pluginBase;

      plugin->readLock();
      pluginBase = plugin->plugin();

      if (pluginBase) {
        textLabelFit->setText(pluginBase->data()._readableName);
        for (i = 0; i < numParams; i++) {
          QString parameterName = pluginBase->parameterName(i);
          _tableFits->horizontalHeaderItem(i+2)->setText(parameterName);
          _tableFits->verticalHeaderItem(i)->setText(parameterName);
        }
      }
      plugin->unlock();
    }
  }

  _tableFits->update();
}