drawPie method

void drawPie(
  1. Rect bounds,
  2. double startAngle,
  3. double sweepAngle, {
  4. PdfPen? pen,
  5. PdfBrush? brush,
})

Draws a pie shape defined by an ellipse specified by a Rect structure uiand two radial lines.

//Creates a new PDF document.
PdfDocument doc = PdfDocument()
  ..pages
      .add()
      .graphics
      //Draw Pie
      .drawPie(Rect.fromLTWH(10, 10, 100, 200), 90, 270,
          pen: PdfPens.green, brush: PdfBrushes.red);
//Saves the document.
List<int> bytes = doc.save();
//Dispose the document.
doc.dispose();

Implementation

void drawPie(
  Rect bounds,
  double startAngle,
  double sweepAngle, {
  PdfPen? pen,
  PdfBrush? brush,
}) {
  if (sweepAngle != 0) {
    _helper._beginMarkContent();
    _helper._stateControl(pen, brush, null, null);
    _constructArcPath(
      bounds.left,
      bounds.top,
      bounds.left + bounds.width,
      bounds.top + bounds.height,
      startAngle,
      sweepAngle,
    );
    _helper.streamWriter!.appendLineSegment(
      bounds.left + bounds.width / 2,
      bounds.top + bounds.height / 2,
    );
    _drawPath(pen, brush, PdfFillMode.winding, true);
    _helper.endMarkContent();
  }
}