C++ (Cpp) QwtLinearColorMap::colorStops Examples

Example #1

File: ColorMapEditor.cpp Project: highperformancecoder/scidavis

void ColorMapEditor::setColorMap(const QwtLinearColorMap& map)
{
scaleColorsBox->setChecked(map.mode() == QwtLinearColorMap::ScaledColors);

QwtArray <double> colors = map.colorStops();
int rows = (int)colors.size();
table->setRowCount(rows);
table->blockSignals(true);
	
for (int i = 0; i < rows; i++)
	{
	QwtDoubleInterval range = QwtDoubleInterval(min_val, max_val);
	double val = min_val + colors[i] * range.width();
		
	QTableWidgetItem *it = new QTableWidgetItem(QString::number(val));
    table->setItem(i, 0, it);
		
	QColor c = QColor(map.rgb(QwtDoubleInterval(0, 1), colors[i]));
	it = new QTableWidgetItem(c.name());
	it->setFlags(Qt::ItemFlags(!Qt::ItemIsEditable));
	it->setBackground(QBrush(c));
	it->setForeground(QBrush(c));
    table->setItem(i, 1, it);
	}
table->blockSignals(false);
	
color_map = map;
}

Example #2

File: ColorMapEditor.cpp Project: liyulun/mantid

QString ColorMapEditor::saveToXmlString(const QwtLinearColorMap &color_map) {
  QString s = "<ColorMap>\n";
  s += "\t<Mode>" + QString::number(color_map.mode()) + "</Mode>\n";
  s += "\t<MinColor>" + color_map.color1().name() + "</MinColor>\n";
  s += "\t<MaxColor>" + color_map.color2().name() + "</MaxColor>\n";
  QwtArray<double> colors = color_map.colorStops();
  int stops = (int)colors.size();
  s += "\t<ColorStops>" + QString::number(stops - 2) + "</ColorStops>\n";
  for (int i = 1; i < stops - 1; i++) {
    s += "\t<Stop>" + QString::number(colors[i]) + "\t";
    s += QColor(color_map.rgb(QwtDoubleInterval(0, 1), colors[i])).name();
    s += "</Stop>\n";
  }
  return s += "</ColorMap>\n";
}

Example #3

File: ColorMapEditor.cpp Project: Mantid-Test-Account/mantid

void ColorMapEditor::setColorMap(const QwtLinearColorMap& map)
{
  scaleColorsBox->setChecked(map.mode() == QwtLinearColorMap::ScaledColors);

  QwtArray <double> colors = map.colorStops();
  int rows = (int)colors.size();
  table->setRowCount(rows);
  table->blockSignals(true);

  QwtDoubleInterval range = QwtDoubleInterval(min_val, max_val);
  for (int i = 0; i < rows; i++){
    DoubleSpinBox *sb = new DoubleSpinBox();
    sb->setLocale(d_locale);
    sb->setDecimals(d_precision);
    sb->setValue(min_val + colors[i] * range.width());

    if (i == 0)
      sb->setRange(min_val, min_val);
    else if (i == rows -1)
      sb->setRange(max_val, max_val);
    else
      sb->setRange(min_val, max_val);

    connect(sb, SIGNAL(valueChanged(double)), this, SLOT(updateColorMap()));
    connect(sb, SIGNAL(activated(DoubleSpinBox *)), this, SLOT(spinBoxActivated(DoubleSpinBox *)));
    table->setCellWidget(i, 0, sb);

    QColor c = QColor(map.rgb(QwtDoubleInterval(0, 1), colors[i]));
    QTableWidgetItem *it = new QTableWidgetItem(c.name());
// Avoid compiler warning
//#ifdef Q_CC_MSVC
    it->setFlags(it->flags() & (~Qt::ItemIsEditable));
//#else
//    it->setFlags(!Qt::ItemIsEditable);
//#endif
    it->setBackground(QBrush(c));
    it->setForeground(QBrush(c));
    table->setItem(i, 1, it);
  }
  table->blockSignals(false);

  color_map = map;
}