190 lines
8.3 KiB
C#
190 lines
8.3 KiB
C#
|
#region PDFsharp Charting - A .NET charting library based on PDFsharp
|
|||
|
|
//
|
|||
|
|
// Authors:
|
|||
|
|
// Niklas Schneider
|
|||
|
|
//
|
|||
|
|
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
|
|||
|
|
//
|
|||
|
|
// http://www.pdfsharp.com
|
|||
|
|
// http://sourceforge.net/projects/pdfsharp
|
|||
|
|
//
|
|||
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|||
|
|
// copy of this software and associated documentation files (the "Software"),
|
|||
|
|
// to deal in the Software without restriction, including without limitation
|
|||
|
|
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|||
|
|
// and/or sell copies of the Software, and to permit persons to whom the
|
|||
|
|
// Software is furnished to do so, subject to the following conditions:
|
|||
|
|
//
|
|||
|
|
// The above copyright notice and this permission notice shall be included
|
|||
|
|
// in all copies or substantial portions of the Software.
|
|||
|
|
//
|
|||
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|||
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|||
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|||
|
|
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|||
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|||
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|||
|
|
// DEALINGS IN THE SOFTWARE.
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
using System;
|
|||
|
|
using PdfSharp.Drawing;
|
|||
|
|
|
|||
|
|
namespace PdfSharp.Charting.Renderers
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Represents a renderer for markers in line charts and legends.
|
|||
|
|
/// </summary>
|
|||
|
|
internal class MarkerRenderer
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Draws the marker given through rendererInfo at the specified position. Position specifies
|
|||
|
|
/// the center of the marker.
|
|||
|
|
/// </summary>
|
|||
|
|
internal static void Draw(XGraphics graphics, XPoint pos, MarkerRendererInfo rendererInfo)
|
|||
|
|
{
|
|||
|
|
#if SILVERLIGHT
|
|||
|
|
return; // BUG: Code crashs Silverlight Path class.
|
|||
|
|
#pragma warning disable 0162
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
if (rendererInfo.MarkerStyle == MarkerStyle.None)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
double size = rendererInfo.MarkerSize;
|
|||
|
|
double size2 = size / 2;
|
|||
|
|
double x0, y0, x1, y1;
|
|||
|
|
double g;
|
|||
|
|
|
|||
|
|
XPen foreground = new XPen(rendererInfo.MarkerForegroundColor, 0.5);
|
|||
|
|
XBrush background = new XSolidBrush(rendererInfo.MarkerBackgroundColor);
|
|||
|
|
|
|||
|
|
XGraphicsPath gp = new XGraphicsPath();
|
|||
|
|
switch (rendererInfo.MarkerStyle)
|
|||
|
|
{
|
|||
|
|
case MarkerStyle.Square:
|
|||
|
|
x0 = pos.X - size2;
|
|||
|
|
y0 = pos.Y - size2;
|
|||
|
|
x1 = pos.X + size2;
|
|||
|
|
y1 = pos.Y + size2;
|
|||
|
|
gp.AddLine(x0, y0, x1, y0);
|
|||
|
|
gp.AddLine(x1, y0, x1, y1);
|
|||
|
|
gp.AddLine(x1, y1, x0, y1);
|
|||
|
|
gp.AddLine(x0, y1, x0, y0);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MarkerStyle.Diamond:
|
|||
|
|
gp.AddLine(x1 = pos.X + size2, pos.Y, pos.X, y0 = pos.Y - size2);
|
|||
|
|
gp.AddLine(pos.X, y0, x0 = pos.X - size2, pos.Y);
|
|||
|
|
gp.AddLine(x0, pos.Y, pos.X, y1 = pos.Y + size2);
|
|||
|
|
gp.AddLine(pos.X, y1, x1, pos.Y);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MarkerStyle.Triangle:
|
|||
|
|
y0 = pos.Y + size / 2;
|
|||
|
|
y1 = pos.Y - size / 2;
|
|||
|
|
g = Math.Sqrt(size * size * 4 / 3) / 2;
|
|||
|
|
gp.AddLine(pos.X, y1, pos.X + g, y0);
|
|||
|
|
gp.AddLine(pos.X + g, y0, pos.X - g, y0);
|
|||
|
|
gp.AddLine(pos.X - g, y0, pos.X, y1);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MarkerStyle.Plus:
|
|||
|
|
g = size2 / 4;
|
|||
|
|
gp.AddLine(pos.X - size2, pos.Y + g, pos.X - g, pos.Y + g);
|
|||
|
|
gp.AddLine(pos.X - g, pos.Y + g, pos.X - g, pos.Y + size2);
|
|||
|
|
gp.AddLine(pos.X - g, pos.Y + size2, pos.X + g, pos.Y + size2);
|
|||
|
|
gp.AddLine(pos.X + g, pos.Y + size2, pos.X + g, pos.Y + g);
|
|||
|
|
gp.AddLine(pos.X + g, pos.Y + g, pos.X + size2, pos.Y + g);
|
|||
|
|
gp.AddLine(pos.X + size2, pos.Y + g, pos.X + size2, pos.Y - g);
|
|||
|
|
gp.AddLine(pos.X + size2, pos.Y - g, pos.X + g, pos.Y - g);
|
|||
|
|
gp.AddLine(pos.X + g, pos.Y - g, pos.X + g, pos.Y - size2);
|
|||
|
|
gp.AddLine(pos.X + g, pos.Y - size2, pos.X - g, pos.Y - size2);
|
|||
|
|
gp.AddLine(pos.X - g, pos.Y - size2, pos.X - g, pos.Y - g);
|
|||
|
|
gp.AddLine(pos.X - g, pos.Y - g, pos.X - size2, pos.Y - g);
|
|||
|
|
gp.AddLine(pos.X - size2, pos.Y - g, pos.X - size2, pos.Y + g);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MarkerStyle.Circle:
|
|||
|
|
case MarkerStyle.Dot:
|
|||
|
|
x0 = pos.X - size2;
|
|||
|
|
y0 = pos.Y - size2;
|
|||
|
|
gp.AddEllipse(x0, y0, size, size);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MarkerStyle.Dash:
|
|||
|
|
x0 = pos.X - size2;
|
|||
|
|
y0 = pos.Y - size2 / 3;
|
|||
|
|
x1 = pos.X + size2;
|
|||
|
|
y1 = pos.Y + size2 / 3;
|
|||
|
|
gp.AddLine(x0, y0, x1, y0);
|
|||
|
|
gp.AddLine(x1, y0, x1, y1);
|
|||
|
|
gp.AddLine(x1, y1, x0, y1);
|
|||
|
|
gp.AddLine(x0, y1, x0, y0);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MarkerStyle.X:
|
|||
|
|
g = size / 4;
|
|||
|
|
gp.AddLine(pos.X - size2 + g, pos.Y - size2, pos.X, pos.Y - g);
|
|||
|
|
gp.AddLine(pos.X, pos.Y - g, pos.X + size2 - g, pos.Y - size2);
|
|||
|
|
gp.AddLine(pos.X + size2 - g, pos.Y - size2, pos.X + size2, pos.Y - size2 + g);
|
|||
|
|
gp.AddLine(pos.X + size2, pos.Y - size2 + g, pos.X + g, pos.Y);
|
|||
|
|
gp.AddLine(pos.X + g, pos.Y, pos.X + size2, pos.Y + size2 - g);
|
|||
|
|
gp.AddLine(pos.X + size2, pos.Y + size2 - g, pos.X + size2 - g, pos.Y + size2);
|
|||
|
|
gp.AddLine(pos.X + size2 - g, pos.Y + size2, pos.X, pos.Y + g);
|
|||
|
|
gp.AddLine(pos.X, pos.Y + g, pos.X - size2 + g, pos.Y + size2);
|
|||
|
|
gp.AddLine(pos.X - size2 + g, pos.Y + size2, pos.X - size2, pos.Y + size2 - g);
|
|||
|
|
gp.AddLine(pos.X - size2, pos.Y + size2 - g, pos.X - g, pos.Y);
|
|||
|
|
gp.AddLine(pos.X - g, pos.Y, pos.X - size2, pos.Y - size2 + g);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case MarkerStyle.Star:
|
|||
|
|
{
|
|||
|
|
XPoint[] points = new XPoint[10];
|
|||
|
|
|
|||
|
|
double radStep = 2 * Math.PI / 5;
|
|||
|
|
double outerCircle = size / 2;
|
|||
|
|
double innerCircle = size / 5;
|
|||
|
|
// outer circle
|
|||
|
|
double rad = -(Math.PI / 2); // 90<39>
|
|||
|
|
for (int idx = 0; idx < 10; idx += 2)
|
|||
|
|
{
|
|||
|
|
points[idx].X = pos.X + outerCircle * Math.Cos(rad);
|
|||
|
|
points[idx].Y = pos.Y + outerCircle * Math.Sin(rad);
|
|||
|
|
rad += radStep;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// inner circle
|
|||
|
|
rad = -(Math.PI / 4); // 45<34>
|
|||
|
|
double x = innerCircle * Math.Cos(rad);
|
|||
|
|
double y = innerCircle * Math.Sin(rad);
|
|||
|
|
points[1].X = pos.X + x;
|
|||
|
|
points[1].Y = pos.Y + y;
|
|||
|
|
points[9].X = pos.X - x;
|
|||
|
|
points[9].Y = pos.Y + y;
|
|||
|
|
rad += radStep;
|
|||
|
|
x = innerCircle * Math.Cos(rad);
|
|||
|
|
y = innerCircle * Math.Sin(rad);
|
|||
|
|
points[3].X = pos.X + x;
|
|||
|
|
points[3].Y = pos.Y + y;
|
|||
|
|
points[7].X = pos.X - x;
|
|||
|
|
points[7].Y = pos.Y + y;
|
|||
|
|
rad += radStep;
|
|||
|
|
y = innerCircle * Math.Sin(rad);
|
|||
|
|
points[5].X = pos.X;
|
|||
|
|
points[5].Y = pos.Y + y;
|
|||
|
|
gp.AddLines(points);
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
gp.CloseFigure();
|
|||
|
|
if (rendererInfo.MarkerStyle != MarkerStyle.Dot)
|
|||
|
|
{
|
|||
|
|
graphics.DrawPath(background, gp);
|
|||
|
|
graphics.DrawPath(foreground, gp);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|