effectiveQualifier static method

DpQualifier effectiveQualifier(DpQualifier qualifier, Inverter inverter, bool isLandscape, bool isPortrait,)

Applies the inverter swap rule to qualifier for the given orientation.

Implementation

static DpQualifier effectiveQualifier(
  DpQualifier qualifier,
  Inverter inverter,
  bool isLandscape,
  bool isPortrait,
) {
  switch (inverter) {
    case Inverter.standard:
      return qualifier;
    case Inverter.phToLw:
      if (isLandscape && qualifier == DpQualifier.height) {
        return DpQualifier.width;
      }
      return qualifier;
    case Inverter.pwToLh:
      if (isLandscape && qualifier == DpQualifier.width) {
        return DpQualifier.height;
      }
      return qualifier;
    case Inverter.lhToPw:
      if (isPortrait && qualifier == DpQualifier.height) {
        return DpQualifier.width;
      }
      return qualifier;
    case Inverter.lwToPh:
      if (isPortrait && qualifier == DpQualifier.width) {
        return DpQualifier.height;
      }
      return qualifier;
    case Inverter.swToLh:
      if (isLandscape && qualifier == DpQualifier.smallWidth) {
        return DpQualifier.height;
      }
      return qualifier;
    case Inverter.swToLw:
      if (isLandscape && qualifier == DpQualifier.smallWidth) {
        return DpQualifier.width;
      }
      return qualifier;
    case Inverter.swToPh:
      if (isPortrait && qualifier == DpQualifier.smallWidth) {
        return DpQualifier.height;
      }
      return qualifier;
    case Inverter.swToPw:
      if (isPortrait && qualifier == DpQualifier.smallWidth) {
        return DpQualifier.width;
      }
      return qualifier;
  }
}