示例#1
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="doc"></param>
        /// <param name="line"></param>
        /// <param name="dx"></param>
        /// <param name="dy"></param>
        /// <param name="db"></param>
        /// <param name="r"></param>
        public void Draw(object doc, Core2D.XLine line, double dx, double dy, ImmutableArray <Core2D.ShapeProperty> db, Core2D.Record r)
        {
            if (!line.IsStroked)
            {
                return;
            }

            var _doc = doc as DxfDocument;

            var style             = line.Style;
            var stroke            = GetColor(style.Stroke);
            var strokeTansparency = GetTransparency(style.Stroke);
            var lineweight        = ThicknessToLineweight(style.Thickness);

            double _x1 = line.Start.X + dx;
            double _y1 = line.Start.Y + dy;
            double _x2 = line.End.X + dx;
            double _y2 = line.End.Y + dy;

            Core2D.XLine.SetMaxLength(line, ref _x1, ref _y1, ref _x2, ref _y2);

            var dxfLine = CreateLine(_x1, _y1, _x2, _y2);

            // TODO: Draw line start arrow.

            // TODO: Draw line end arrow.

            dxfLine.Layer = _currentLayer;
            dxfLine.Color = stroke;
            dxfLine.Transparency.Value = strokeTansparency;
            dxfLine.Lineweight.Value   = lineweight;

            _doc.AddEntity(dxfLine);
        }
示例#2
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="gfx"></param>
        /// <param name="line"></param>
        /// <param name="dx"></param>
        /// <param name="dy"></param>
        /// <param name="db"></param>
        /// <param name="r"></param>
        public void Draw(object gfx, Core2D.XLine line, double dx, double dy, ImmutableArray <Core2D.ShapeProperty> db, Core2D.Record r)
        {
            if (!line.IsStroked)
            {
                return;
            }

            var _gfx = gfx as XGraphics;

            XSolidBrush fillLine   = ToXSolidBrush(line.Style.Fill);
            XPen        strokeLine = ToXPen(line.Style, _scaleToPage);

            XSolidBrush fillStartArrow   = ToXSolidBrush(line.Style.StartArrowStyle.Fill);
            XPen        strokeStartArrow = ToXPen(line.Style.StartArrowStyle, _scaleToPage);

            XSolidBrush fillEndArrow   = ToXSolidBrush(line.Style.EndArrowStyle.Fill);
            XPen        strokeEndArrow = ToXPen(line.Style.EndArrowStyle, _scaleToPage);

            double _x1 = line.Start.X + dx;
            double _y1 = line.Start.Y + dy;
            double _x2 = line.End.X + dx;
            double _y2 = line.End.Y + dy;

            Core2D.XLine.SetMaxLength(line, ref _x1, ref _y1, ref _x2, ref _y2);

            double x1 = _scaleToPage(_x1);
            double y1 = _scaleToPage(_y1);
            double x2 = _scaleToPage(_x2);
            double y2 = _scaleToPage(_y2);

            var    sas = line.Style.StartArrowStyle;
            var    eas = line.Style.EndArrowStyle;
            double a1  = Math.Atan2(y1 - y2, x1 - x2) * 180.0 / Math.PI;
            double a2  = Math.Atan2(y2 - y1, x2 - x1) * 180.0 / Math.PI;

            var t1 = new XMatrix();
            var c1 = new XPoint(x1, y1);

            t1.RotateAtPrepend(a1, c1);

            var t2 = new XMatrix();
            var c2 = new XPoint(x2, y2);

            t2.RotateAtPrepend(a2, c2);

            XPoint pt1;
            XPoint pt2;

            double radiusX1 = sas.RadiusX;
            double radiusY1 = sas.RadiusY;
            double sizeX1   = 2.0 * radiusX1;
            double sizeY1   = 2.0 * radiusY1;

            switch (sas.ArrowType)
            {
            default:
            case Core2D.ArrowType.None:
            {
                pt1 = new XPoint(x1, y1);
            }
            break;

            case Core2D.ArrowType.Rectangle:
            {
                pt1 = t1.Transform(new XPoint(x1 - sizeX1, y1));
                var rect = new XRect(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
                _gfx.Save();
                _gfx.RotateAtTransform(a1, c1);
                DrawRectangleInternal(_gfx, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
                _gfx.Restore();
            }
            break;

            case Core2D.ArrowType.Ellipse:
            {
                pt1 = t1.Transform(new XPoint(x1 - sizeX1, y1));
                _gfx.Save();
                _gfx.RotateAtTransform(a1, c1);
                var rect = new XRect(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
                DrawEllipseInternal(_gfx, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
                _gfx.Restore();
            }
            break;

            case Core2D.ArrowType.Arrow:
            {
                pt1 = t1.Transform(new XPoint(x1, y1));
                var p11 = t1.Transform(new XPoint(x1 - sizeX1, y1 + sizeY1));
                var p21 = t1.Transform(new XPoint(x1, y1));
                var p12 = t1.Transform(new XPoint(x1 - sizeX1, y1 - sizeY1));
                var p22 = t1.Transform(new XPoint(x1, y1));
                DrawLineInternal(_gfx, strokeStartArrow, sas.IsStroked, ref p11, ref p21);
                DrawLineInternal(_gfx, strokeStartArrow, sas.IsStroked, ref p12, ref p22);
            }
            break;
            }

            double radiusX2 = eas.RadiusX;
            double radiusY2 = eas.RadiusY;
            double sizeX2   = 2.0 * radiusX2;
            double sizeY2   = 2.0 * radiusY2;

            switch (eas.ArrowType)
            {
            default:
            case Core2D.ArrowType.None:
            {
                pt2 = new XPoint(x2, y2);
            }
            break;

            case Core2D.ArrowType.Rectangle:
            {
                pt2 = t2.Transform(new XPoint(x2 - sizeX2, y2));
                var rect = new XRect(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
                _gfx.Save();
                _gfx.RotateAtTransform(a2, c2);
                DrawRectangleInternal(_gfx, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
                _gfx.Restore();
            }
            break;

            case Core2D.ArrowType.Ellipse:
            {
                pt2 = t2.Transform(new XPoint(x2 - sizeX2, y2));
                _gfx.Save();
                _gfx.RotateAtTransform(a2, c2);
                var rect = new XRect(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
                DrawEllipseInternal(_gfx, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
                _gfx.Restore();
            }
            break;

            case Core2D.ArrowType.Arrow:
            {
                pt2 = t2.Transform(new XPoint(x2, y2));
                var p11 = t2.Transform(new XPoint(x2 - sizeX2, y2 + sizeY2));
                var p21 = t2.Transform(new XPoint(x2, y2));
                var p12 = t2.Transform(new XPoint(x2 - sizeX2, y2 - sizeY2));
                var p22 = t2.Transform(new XPoint(x2, y2));
                DrawLineInternal(_gfx, strokeEndArrow, eas.IsStroked, ref p11, ref p21);
                DrawLineInternal(_gfx, strokeEndArrow, eas.IsStroked, ref p12, ref p22);
            }
            break;
            }

            _gfx.DrawLine(strokeLine, pt1, pt2);
        }