C++ KstVCurvePtr::setPointDensity方法代码示例

void KstBindCurve::setPointDensity(KJS::ExecState *exec, const KJS::Value& value) {
  unsigned i = 0;
  if (value.type() != KJS::NumberType || !value.toUInt32(i)) {
    KJS::Object eobj = KJS::Error::create(exec, KJS::TypeError);
    exec->setException(eobj);
    return;
  }
  KstVCurvePtr d = makeCurve(_d);
  if (d) {
    KstWriteLocker wl(d);
    d->setPointDensity(i);
  }
}

bool KstFilterDialogI::createCurve(KstCPluginPtr plugin) {
  KstVectorPtr xVector;
  KstVectorPtr yVector;

  KST::vectorList.lock().readLock();
  KstVectorList::Iterator it = KST::vectorList.findTag(_xvector);
  if (it != KST::vectorList.end()) {
    xVector = *it;
  }
  KST::vectorList.lock().unlock();

  if (plugin->outputVectors().contains(plugin->plugin()->data()._filterOutputVector)) {
    yVector = plugin->outputVectors()[plugin->plugin()->data()._filterOutputVector];
  }

  if (!xVector || !yVector) {
    return false;
  }
  plugin->setDirty();
  QString c_name = KST::suggestCurveName(plugin->tag(), true);
  QColor color = KstApp::inst()->chooseColorDlg()->getColorForCurve(KstVectorPtr(xVector), KstVectorPtr(yVector));
  if (!color.isValid()) {
    color = _w->_curveAppearance->color();
  }
  KstVCurvePtr fit = new KstVCurve(c_name, KstVectorPtr(xVector), KstVectorPtr(yVector), KstVectorPtr(0L), KstVectorPtr(0L), KstVectorPtr(0L), KstVectorPtr(0L), color);

  fit->setHasPoints(_w->_curveAppearance->showPoints());
  fit->setHasLines(_w->_curveAppearance->showLines());
  fit->setHasBars(_w->_curveAppearance->showBars());
  fit->setLineWidth(_w->_curveAppearance->lineWidth());
  fit->setLineStyle(_w->_curveAppearance->lineStyle());
  fit->setPointStyle(_w->_curveAppearance->pointType());
  fit->setBarStyle(_w->_curveAppearance->barStyle());
  fit->setPointDensity(_w->_curveAppearance->pointDensity());

  KstViewWindow *w = dynamic_cast<KstViewWindow*>(KstApp::inst()->findWindow(_window));
  if (w && w->view()->findChild(_plotName)) {
    Kst2DPlotPtr plot = kst_cast<Kst2DPlot>(w->view()->findChild(_plotName));
    if (plot) {
      plot->addCurve(fit.data());
    }
  }

  KST::dataObjectList.lock().writeLock();
  KST::dataObjectList.append(fit.data());
  KST::dataObjectList.lock().unlock();

  return true;
}

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.........