BeginFigure() public method

Begins a new figure.
public BeginFigure ( Point startPoint, bool isFilled ) : void
startPoint Point The starting point for the figure.
isFilled bool Whether the figure is filled.
return void
Exemplo n.º 1
0
        /// <summary>
        /// Parses the specified markup string.
        /// </summary>
        /// <param name="s">The markup string.</param>
        public void Parse(string s)
        {
            bool openFigure = false;

            using (StringReader reader = new StringReader(s))
            {
                Command lastCommand = Command.None;
                Command command;
                Point   point = new Point();

                while ((command = ReadCommand(reader, lastCommand)) != Command.Eof)
                {
                    switch (command)
                    {
                    case Command.FillRule:
                        // TODO: Implement.
                        reader.Read();
                        break;

                    case Command.Move:
                    case Command.MoveRelative:
                        if (openFigure)
                        {
                            _context.EndFigure(false);
                        }

                        point = command == Command.Move ?
                                ReadPoint(reader) :
                                ReadRelativePoint(reader, point);

                        _context.BeginFigure(point, true);
                        openFigure = true;
                        break;

                    case Command.Line:
                        point = ReadPoint(reader);
                        _context.LineTo(point);
                        break;

                    case Command.LineRelative:
                        point = ReadRelativePoint(reader, point);
                        _context.LineTo(point);
                        break;

                    case Command.HorizontalLine:
                        point = point.WithX(ReadDouble(reader));
                        _context.LineTo(point);
                        break;

                    case Command.HorizontalLineRelative:
                        point = new Point(point.X + ReadDouble(reader), point.Y);
                        _context.LineTo(point);
                        break;

                    case Command.VerticalLine:
                        point = point.WithY(ReadDouble(reader));
                        _context.LineTo(point);
                        break;

                    case Command.VerticalLineRelative:
                        point = new Point(point.X, point.Y + ReadDouble(reader));
                        _context.LineTo(point);
                        break;

                    case Command.CubicBezierCurve:
                    {
                        Point point1 = ReadPoint(reader);
                        Point point2 = ReadPoint(reader);
                        point = ReadPoint(reader);
                        _context.CubicBezierTo(point1, point2, point);
                        break;
                    }

                    case Command.Arc:
                    {
                        //example: A10,10 0 0,0 10,20
                        //format - size rotationAngle isLargeArcFlag sweepDirectionFlag endPoint
                        Size size = ReadSize(reader);
                        ReadSeparator(reader);
                        double rotationAngle = ReadDouble(reader);
                        ReadSeparator(reader);
                        bool isLargeArc = ReadBool(reader);
                        ReadSeparator(reader);
                        SweepDirection sweepDirection = ReadBool(reader) ? SweepDirection.Clockwise : SweepDirection.CounterClockwise;
                        point = ReadPoint(reader);

                        _context.ArcTo(point, size, rotationAngle, isLargeArc, sweepDirection);
                        break;
                    }

                    case Command.Close:
                        _context.EndFigure(true);
                        openFigure = false;
                        break;

                    default:
                        throw new NotSupportedException("Unsupported command");
                    }

                    lastCommand = command;
                }

                if (openFigure)
                {
                    _context.EndFigure(false);
                }
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Parses the specified markup string.
        /// </summary>
        /// <param name="s">The markup string.</param>
        public void Parse(string s)
        {
            bool openFigure = false;

            using (StringReader reader = new StringReader(s))
            {
                Command lastCommand = Command.None;
                Command command;
                Point   point = new Point();

                while ((command = ReadCommand(reader, lastCommand)) != Command.Eof)
                {
                    switch (command)
                    {
                    case Command.FillRule:
                        // TODO: Implement.
                        reader.Read();
                        break;

                    case Command.Move:
                    case Command.MoveRelative:
                        if (openFigure)
                        {
                            _context.EndFigure(false);
                        }

                        if (command == Command.Move)
                        {
                            point = ReadPoint(reader);
                        }
                        else
                        {
                            point = ReadRelativePoint(reader, point);
                        }

                        _context.BeginFigure(point, true);
                        openFigure = true;
                        break;

                    case Command.Line:
                        point = ReadPoint(reader);
                        _context.LineTo(point);
                        break;

                    case Command.LineRelative:
                        point = ReadRelativePoint(reader, point);
                        _context.LineTo(point);
                        break;

                    case Command.HorizontalLine:
                        point = point.WithX(ReadDouble(reader));
                        _context.LineTo(point);
                        break;

                    case Command.HorizontalLineRelative:
                        point = new Point(point.X + ReadDouble(reader), point.Y);
                        _context.LineTo(point);
                        break;

                    case Command.VerticalLine:
                        point = point.WithY(ReadDouble(reader));
                        _context.LineTo(point);
                        break;

                    case Command.VerticalLineRelative:
                        point = new Point(point.X, point.Y + ReadDouble(reader));
                        _context.LineTo(point);
                        break;

                    case Command.CubicBezierCurve:
                    {
                        Point point1 = ReadPoint(reader);
                        Point point2 = ReadPoint(reader);
                        point = ReadPoint(reader);
                        _context.BezierTo(point1, point2, point);
                        break;
                    }

                    case Command.Close:
                        _context.EndFigure(true);
                        openFigure = false;
                        break;

                    default:
                        throw new NotSupportedException("Unsupported command");
                    }

                    lastCommand = command;
                }

                if (openFigure)
                {
                    _context.EndFigure(false);
                }
            }
        }