Java QPixmap.isNull示例

示例#1

文件： Icons.java 项目： perok/it1901_sheep

    private void updatePixmapLabels() {
      for (int i = 0; i < NumModes; ++i) {
        QIcon.Mode mode;
        if (i == 0) {
          mode = QIcon.Mode.Normal;
        } else if (i == 1) {
          mode = QIcon.Mode.Active;
        } else if (i == 2) {
          mode = QIcon.Mode.Disabled;
        } else {
          mode = QIcon.Mode.Selected;
        }

        for (int j = 0; j < NumStates; ++j) {
          QIcon.State state = (j == 0) ? QIcon.State.Off : QIcon.State.On;
          QPixmap pixmap = icon.pixmap(size, mode, state);
          pixmapLabels[i][j].setPixmap(pixmap);
          pixmapLabels[i][j].setEnabled(!pixmap.isNull());
        }
      }
    }