drawValues method

@override void drawValues(Canvas c)

Loops over all Entrys and draws their values.

@param c

Implementation

@override
void drawValues(Canvas c) {
  BubbleData? bubbleData = _provider!.getBubbleData();

  if (bubbleData == null) return;

  // if values are drawn
  if (isDrawingValuesAllowed(_provider!)) {
    final List<IBubbleDataSet> dataSets = bubbleData.dataSets;

    double lineHeight = Utils.calcTextHeight(valuePaint!, "1").toDouble();

    for (int i = 0; i < dataSets.length; i++) {
      IBubbleDataSet dataSet = dataSets[i];

      if (!shouldDrawValues(dataSet) || dataSet.getEntryCount() < 1) continue;

      // apply the text-styling defined by the DataSet
      applyValueTextStyle(dataSet);

      final double phaseX = max(0.0, min(1.0, animator!.getPhaseX()));
      final double phaseY = animator!.getPhaseY();

      xBounds!.set(_provider!, dataSet);

      List<double?> positions = _provider!
          .getTransformer(dataSet.getAxisDependency())!
          .generateTransformedValuesBubble(
              dataSet, phaseY, xBounds!.min!, xBounds!.max!);

      final double alpha = phaseX == 1 ? phaseY : phaseX;

      ValueFormatter? formatter = dataSet.getValueFormatter();

      MPPointF iconsOffset = MPPointF.getInstance3(dataSet.getIconsOffset());
      iconsOffset.x = Utils.convertDpToPixel(iconsOffset.x);
      iconsOffset.y = Utils.convertDpToPixel(iconsOffset.y);

      for (int j = 0; j < positions.length; j += 2) {
        Color valueTextColor =
            dataSet.getValueTextColor2(j ~/ 2 + xBounds!.min!);
        valueTextColor = Color.fromARGB((255.0 * alpha).round(),
            valueTextColor.red, valueTextColor.green, valueTextColor.blue);

        double? x = positions[j];
        double? y = positions[j + 1];

        if (!viewPortHandler!.isInBoundsRight(x)) break;

        if ((!viewPortHandler!.isInBoundsLeft(x) ||
            !viewPortHandler!.isInBoundsY(y))) continue;

        BubbleEntry entry = dataSet.getEntryForIndex(j ~/ 2 + xBounds!.min!)!;

        if (dataSet.isDrawValuesEnabled()) {
          drawValue(
              c,
              formatter!.getBubbleLabel(entry),
              x!,
              y! + (0.5 * lineHeight),
              valueTextColor,
              dataSet.getValueTextSize(),
              dataSet.getValueTypeface());
        }

        if (entry.mIcon != null && dataSet.isDrawIconsEnabled()) {
          CanvasUtils.drawImage(
              c,
              Offset(x! + iconsOffset.x, y! + iconsOffset.y),
              entry.mIcon!,
              const Size(15, 15),
              drawPaint!);
        }
      }

      MPPointF.recycleInstance(iconsOffset);
    }
  }
}