drawYIntervalSegmentation static method

void drawYIntervalSegmentation(Canvas canvas, List<SectionBeanY> ySectionBeans, double startX, double endX, double startY, double endY,)

Implementation

static void drawYIntervalSegmentation(
    Canvas canvas,
    List<SectionBeanY> ySectionBeans,
    double startX,
    double endX,
    double startY,
    double endY) {
  var _fixedHeight = startY - endY;
  for (var item in ySectionBeans) {
    var tempStartY = endY + (_fixedHeight - _fixedHeight * item.startRatio);
    var tempHeight = _fixedHeight * item.widthRatio;
    var tempPath = Path()
      ..moveTo(startX, tempStartY)
      ..lineTo(endX, tempStartY)
      ..lineTo(endX, tempStartY - tempHeight)
      ..lineTo(startX, tempStartY - tempHeight)
      ..lineTo(startX, tempStartY)
      ..close();
    var tempPaint = Paint()
      ..isAntiAlias = true
      ..strokeWidth = 0
      ..color = item.fillColor!
      ..style = PaintingStyle.fill;
    canvas.drawPath(tempPath, tempPaint);
    //边缘线
    var borderLinePaint = Paint()
      ..isAntiAlias = true
      ..strokeWidth = item.borderWidth ?? 1
      ..color = item.borderColor ?? Colors.transparent
      ..style = PaintingStyle.stroke;
    var borderLinePath1 = Path()
      ..moveTo(startX, tempStartY)
      ..lineTo(endX, tempStartY);
    var borderLinePath2 = Path()
      ..moveTo(startX, tempStartY - tempHeight)
      ..lineTo(endX, tempStartY - tempHeight);
    if (item.isBorderSolid) {
      canvas.drawPath(borderLinePath1, borderLinePaint);
      canvas.drawPath(borderLinePath2, borderLinePaint);
    } else {
      canvas.drawPath(
        dashPath(
          borderLinePath1,
          dashArray: CircularIntervalList<double>(<double>[5.0, 4.0]),
        ),
        borderLinePaint,
      );
      canvas.drawPath(
        dashPath(
          borderLinePath2,
          dashArray: CircularIntervalList<double>(<double>[5.0, 4.0]),
        ),
        borderLinePaint,
      );
    }
  }
}