Method loadPreset

qcustomplot/qcustomplot.cpp:16148–16250

! Clears the current color stops and loads the specified \a preset. A preset consists of predefined color stops and the corresponding color interpolation method. The available presets are: \image html QCPColorGradient.png */

  \image html QCPColorGradient.png
*/
void QCPColorGradient::loadPreset(GradientPreset preset)
{
  clearColorStops();
  switch (preset)
  {
    case gpGrayscale:
      setColorInterpolation(ciRGB);
      setColorStopAt(0, Qt::black);
      setColorStopAt(1, Qt::white);
      break;
    case gpHot:
      setColorInterpolation(ciRGB);
      setColorStopAt(0, QColor(50, 0, 0));
      setColorStopAt(0.2, QColor(180, 10, 0));
      setColorStopAt(0.4, QColor(245, 50, 0));
      setColorStopAt(0.6, QColor(255, 150, 10));
      setColorStopAt(0.8, QColor(255, 255, 50));
      setColorStopAt(1, QColor(255, 255, 255));
      break;
    case gpCold:
      setColorInterpolation(ciRGB);
      setColorStopAt(0, QColor(0, 0, 50));
      setColorStopAt(0.2, QColor(0, 10, 180));
      setColorStopAt(0.4, QColor(0, 50, 245));
      setColorStopAt(0.6, QColor(10, 150, 255));
      setColorStopAt(0.8, QColor(50, 255, 255));
      setColorStopAt(1, QColor(255, 255, 255));
      break;
    case gpNight:
      setColorInterpolation(ciHSV);
      setColorStopAt(0, QColor(10, 20, 30));
      setColorStopAt(1, QColor(250, 255, 250));
      break;
    case gpCandy:
      setColorInterpolation(ciHSV);
      setColorStopAt(0, QColor(0, 0, 255));
      setColorStopAt(1, QColor(255, 250, 250));
      break;
    case gpGeography:
      setColorInterpolation(ciRGB);
      setColorStopAt(0, QColor(70, 170, 210));
      setColorStopAt(0.20, QColor(90, 160, 180));
      setColorStopAt(0.25, QColor(45, 130, 175));
      setColorStopAt(0.30, QColor(100, 140, 125));
      setColorStopAt(0.5, QColor(100, 140, 100));
      setColorStopAt(0.6, QColor(130, 145, 120));
      setColorStopAt(0.7, QColor(140, 130, 120));
      setColorStopAt(0.9, QColor(180, 190, 190));
      setColorStopAt(1, QColor(210, 210, 230));
      break;
    case gpIon:
      setColorInterpolation(ciHSV);
      setColorStopAt(0, QColor(50, 10, 10));
      setColorStopAt(0.45, QColor(0, 0, 255));
      setColorStopAt(0.8, QColor(0, 255, 255));
      setColorStopAt(1, QColor(0, 255, 0));
      break;
    case gpThermal: