示例#1
0
        private string ExtractMarkerImplementation(MarkerBase marker, float rotation, bool invert)
        {
            GraphicsPath path = marker.GetPath();

            Matrix     translateMatrix = new Matrix();
            RectangleF rectF           = new RectangleF();

            rectF = path.GetBounds();

            translateMatrix.Translate(-rectF.X, -rectF.Y);
            path.Transform(translateMatrix);
            translateMatrix.Dispose();

            StringBuilder def = new StringBuilder();

            def.Append("<marker id=\"\" viewbox=\"0 0 ");

            //Add viewbox data
            def.Append(XmlConvert.ToString(Math.Round(rectF.Width, 2)));
            def.Append(" ");
            def.Append(XmlConvert.ToString(Math.Round(rectF.Height, 2)));
            def.Append("\" ");

            //Add ref x and y
            if (!invert)
            {
                def.Append("refX=\"");
                def.Append(XmlConvert.ToString(Math.Round(rectF.Width, 2)));
                def.Append("\" ");
            }
            def.Append("refY=\"");
            def.Append(XmlConvert.ToString(Math.Round(rectF.Height / 2, 2)));
            def.Append("\" ");

            //Units
            def.Append("markerUnits=\"strokeWidth\" ");

            //markerWidth and Height
            def.Append("markerWidth=\"");
            def.Append(XmlConvert.ToString(Math.Round(rectF.Width, 2)));
            def.Append("\" ");
            def.Append("markerHeight=\"");
            def.Append(XmlConvert.ToString(Math.Round(rectF.Height, 2)));
            def.Append("\" ");

            //Orient
            def.Append("orient=\"auto\" ");

            //Stroke-width
            def.Append("stroke=\"");
            def.Append(Style.GetCompatibleColor(marker.BorderColor));
            def.Append("\" ");

            //Stroke-width
            def.Append("stroke-width=\"");
            def.Append(XmlConvert.ToString(Math.Round(marker.BorderWidth, 2)));
            def.Append("\" ");

            //Fill
            def.Append("fill=\"");

            if (marker.DrawBackground)
            {
                def.Append(Style.GetCompatibleColor(marker.BackColor));
            }
            else
            {
                def.Append("white");
            }
            def.Append("\" ");

            def.Append(">");

            //Append path
            if (_definition == null)
            {
                _definition           = new Definition(marker.GetPath());
                _definition.IncludeId = false;
            }
            else
            {
                _definition.Path = marker.GetPath();
            }

            _definition.Rotate(rotation);
            def.Append(_definition.ExtractPath());

            //Close tag
            def.Append("</marker>");

            return(def.ToString());
        }