示例#1
0
 /// <summary>
 /// Draw the <see c_ref="ErrorBar"/> to the specified <see c_ref="Graphics"/>
 /// device at the specified location.
 /// </summary>
 /// <param name="g">
 /// A graphic device object to be drawn into.  This is normally e.Graphics from the
 /// PaintEventArgs argument to the Paint() method.
 /// </param>
 /// <param name="pane">
 /// A reference to the <see c_ref="GraphPane"/> object that is the parent or
 /// owner of this object.
 /// </param>
 /// <param name="isXBase">boolean value that indicates if the "base" axis for this
 /// <see c_ref="ErrorBar"/> is the X axis.  True for an <see c_ref="XAxis"/> base,
 /// false for a <see c_ref="YAxis"/> or <see c_ref="Y2Axis"/> base.</param>
 /// <param name="pixBase">The independent axis position of the center of the error bar in
 /// pixel units</param>
 /// <param name="pixValue">The dependent axis position of the top of the error bar in
 /// pixel units</param>
 /// <param name="pixLowValue">The dependent axis position of the bottom of the error bar in
 /// pixel units</param>
 /// <param name="scaleFactor">
 /// The scaling factor for the features of the graph based on the <see c_ref="PaneBase.BaseDimension"/>.  This
 /// scaling factor is calculated by the <see c_ref="PaneBase.CalcScaleFactor"/> method.  The scale factor
 /// represents a linear multiple to be applied to font sizes, symbol sizes, etc.</param>
 /// <param name="pen">A pen with attributes of <see c_ref="Color"/> and
 /// <see c_ref="PenWidth"/> for this <see c_ref="ErrorBar"/></param>
 /// <param name="dataValue">The data value to be used for a value-based
 /// color gradient.  This is only applicable for <see c_ref="FillType.GradientByX"/>,
 /// <see c_ref="FillType.GradientByY"/> or <see c_ref="FillType.GradientByZ"/>.</param>
 /// <param name="isSelected">Indicates that the <see c_ref="ErrorBar" /> should be drawn
 /// with attributes from the <see c_ref="Selection" /> class.
 /// </param>
 public void Draw(Graphics g, GraphPane pane, bool isXBase,
                  float pixBase, float pixValue,
                  float pixLowValue, float scaleFactor, Pen pen, bool isSelected,
                  PointPair dataValue)
 {
     if (isXBase)
     {
         g.DrawLine(pen, pixBase, pixValue, pixBase, pixLowValue);
         _symbol.DrawSymbol(g, pane, (int)pixBase, (int)pixValue,
                            scaleFactor, isSelected, dataValue);
         _symbol.DrawSymbol(g, pane, (int)pixBase, (int)pixLowValue,
                            scaleFactor, isSelected, dataValue);
     }
     else
     {
         g.DrawLine(pen, pixValue, pixBase, pixLowValue, pixBase);
         _symbol.DrawSymbol(g, pane, (int)pixValue, (int)pixBase,
                            scaleFactor, isSelected, dataValue);
         _symbol.DrawSymbol(g, pane, (int)pixLowValue, (int)pixBase,
                            scaleFactor, isSelected, dataValue);
     }
 }
示例#2
0
文件: LineItem.cs 项目: 1907931256/jx
        /// <summary>
        /// Draw a legend key entry for this <see c_ref="LineItem"/> at the specified location
        /// </summary>
        /// <param name="g">
        /// A graphic device object to be drawn into.  This is normally e.Graphics from the
        /// PaintEventArgs argument to the Paint() method.
        /// </param>
        /// <param name="pane">
        /// A reference to the <see c_ref="ZedGraph.GraphPane"/> object that is the parent or
        /// owner of this object.
        /// </param>
        /// <param name="rect">The <see c_ref="RectangleF"/> struct that specifies the
        /// location for the legend key</param>
        /// <param name="scaleFactor">
        /// The scaling factor to be used for rendering objects.  This is calculated and
        /// passed down by the parent <see c_ref="ZedGraph.GraphPane"/> object using the
        /// <see c_ref="PaneBase.CalcScaleFactor"/> method, and is used to proportionally adjust
        /// font sizes, etc. according to the actual size of the graph.
        /// </param>
        override public void DrawLegendKey(Graphics g, GraphPane pane, RectangleF rect, float scaleFactor)
        {
            // Draw a sample curve to the left of the label text
            int xMid = (int)(rect.Left + rect.Width / 2.0F);
            int yMid = (int)(rect.Top + rect.Height / 2.0F);

            //RectangleF rect2 = rect;
            //rect2.Y = yMid;
            //rect2.Height = rect.Height / 2.0f;

            _line.Fill.Draw(g, rect);

            _line.DrawSegment(g, pane, rect.Left, yMid, rect.Right, yMid, scaleFactor);

            // Draw a sample symbol to the left of the label text
            _symbol.DrawSymbol(g, pane, xMid, yMid, scaleFactor, false, null);
        }