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#W# Initial Commit: Avatars Conquest

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WarrentyExpired 2026-07-03 20:19:48 -04:00
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Scripts/Engines/Reports/Rendering/PieChartRenderer.cs Normal file
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using System;
using System.Collections;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
namespace Server.Engines.Reports
{
// Modified from MS sample
//*********************************************************************
//
// PieChart Class
//
// This class uses GDI+ to render Pie Chart.
//
//*********************************************************************
public class PieChartRenderer : ChartRenderer
{
private const int _bufferSpace = 125;
private ArrayList _chartItems;
private int _perimeter;
private Color _backgroundColor;
private Color _borderColor;
private float _total;
private int _legendWidth;
private int _legendHeight;
private int _legendFontHeight;
private string _legendFontStyle;
private float _legendFontSize;
private bool _showPercents;
public bool ShowPercents{ get{ return _showPercents; } set{ _showPercents = value; } }
public PieChartRenderer()
{
_chartItems = new ArrayList();
_perimeter = 250;
_backgroundColor = Color.White;
_borderColor = Color.FromArgb(63,63,63);
_legendFontSize = 8;
_legendFontStyle = "Verdana";
}
public PieChartRenderer(Color bgColor)
{
_chartItems = new ArrayList();
_perimeter = 250;
_backgroundColor = bgColor;
_borderColor = Color.FromArgb(63,63,63);
_legendFontSize = 8;
_legendFontStyle = "Verdana";
}
//*********************************************************************
//
// This method collects all data points and calculate all the necessary dimensions
// to draw the chart. It is the first method called before invoking the Draw() method.
//
//*********************************************************************
public void CollectDataPoints(string[] xValues, string[] yValues)
{
_total = 0.0f;
for (int i = 0;i < xValues.Length;i++)
{
float ftemp = Convert.ToSingle(yValues[i]);
_chartItems.Add(new DataItem(xValues[i], xValues.ToString(), ftemp, 0, 0, Color.AliceBlue));
_total += ftemp;
}
float nextStartPos = 0.0f;
int counter = 0;
foreach (DataItem item in _chartItems)
{
item.StartPos = nextStartPos;
item.SweepSize = item.Value / _total * 360;
nextStartPos = item.StartPos + item.SweepSize;
item.ItemColor = GetColor(counter++);
}
CalculateLegendWidthHeight();
}
//*********************************************************************
//
// This method returns a bitmap to the calling function. This is the method
// that actually draws the pie chart and the legend with it.
//
//*********************************************************************
public override Bitmap Draw()
{
int perimeter = _perimeter;
Rectangle pieRect = new Rectangle(0, 0, perimeter, perimeter-1);
Bitmap bmp = new Bitmap(perimeter + _legendWidth, perimeter);
Font fnt = null;
Pen pen = null;
Graphics grp = null;
StringFormat sf = null, sfp = null;
try
{
grp = Graphics.FromImage(bmp);
grp.CompositingQuality = CompositingQuality.HighQuality;
grp.SmoothingMode = SmoothingMode.AntiAlias;
sf = new StringFormat();
//Paint Back ground
using ( SolidBrush brsh = new SolidBrush( _backgroundColor ) )
grp.FillRectangle(brsh, -1, -1, perimeter + _legendWidth+1, perimeter+1);
//Align text to the right
sf.Alignment = StringAlignment.Far;
//Draw all wedges and legends
for(int i=0; i<_chartItems.Count; i++)
{
DataItem item = (DataItem) _chartItems[i];
SolidBrush brs = null;
try
{
brs = new SolidBrush(item.ItemColor);
grp.FillPie(brs, pieRect, item.StartPos, item.SweepSize);
//grp.DrawPie(new Pen(_borderColor,1.2f),pieRect,item.StartPos,item.SweepSize);
if ( fnt == null )
fnt = new Font( _legendFontStyle, _legendFontSize );
if ( _showPercents && item.SweepSize > 10 )
{
if ( sfp == null )
{
sfp = new StringFormat();
sfp.Alignment = StringAlignment.Center;
sfp.LineAlignment = StringAlignment.Center;
}
float perc = (item.SweepSize * 100.0f) / 360.0f;
string percString = String.Format( "{0:F0}%", perc );
float px = pieRect.X+(pieRect.Width/2);
float py = pieRect.Y+(pieRect.Height/2);
double angle = item.StartPos + (item.SweepSize/2);
double rads = (angle/180.0)*Math.PI;
px += (float)(Math.Cos( rads ) * perimeter / 3);
py += (float)(Math.Sin( rads ) * perimeter / 3);
grp.DrawString( percString, fnt, Brushes.Gray,
new RectangleF( px - 30 - 1, py - 20, 60, 40 ), sfp );
grp.DrawString( percString, fnt, Brushes.Gray,
new RectangleF( px - 30 + 1, py - 20, 60, 40 ), sfp );
grp.DrawString( percString, fnt, Brushes.Gray,
new RectangleF( px - 30, py - 20 - 1, 60, 40 ), sfp );
grp.DrawString( percString, fnt, Brushes.Gray,
new RectangleF( px - 30, py - 20 + 1, 60, 40 ), sfp );
grp.DrawString( percString, fnt, Brushes.White,
new RectangleF( px - 30, py - 20, 60, 40 ), sfp );
}
if ( pen == null )
pen = new Pen( _borderColor, 0.5f );
grp.FillRectangle(brs, perimeter + _bufferSpace, i * _legendFontHeight + 15, 10, 10);
grp.DrawRectangle(pen, perimeter + _bufferSpace, i * _legendFontHeight + 15, 10, 10);
grp.DrawString(item.Label, fnt,
Brushes.Black, perimeter + _bufferSpace + 20, i * _legendFontHeight + 13);
grp.DrawString(item.Value.ToString("#,###.##"), fnt,
Brushes.Black, perimeter + _bufferSpace + 200, i * _legendFontHeight + 13,sf);
}
finally
{
if (brs !=null)
brs.Dispose();
}
}
for(int i=0; i<_chartItems.Count; i++)
{
DataItem item = (DataItem) _chartItems[i];
SolidBrush brs = null;
try
{
grp.DrawPie(new Pen(_borderColor,0.5f),pieRect,item.StartPos,item.SweepSize);
}
finally
{
if (brs !=null)
brs.Dispose();
}
}
//draws the border around Pie
using ( Pen pen2 = new Pen( _borderColor, 2 ) )
grp.DrawEllipse(pen2, pieRect);
//draw border around legend
using ( Pen pen1 = new Pen( _borderColor, 1 ) )
grp.DrawRectangle(pen1, perimeter + _bufferSpace - 10, 10, 220, _chartItems.Count * _legendFontHeight + 25);
//Draw Total under legend
using ( Font fntb = new Font( _legendFontStyle, _legendFontSize, FontStyle.Bold ) )
{
grp.DrawString("Total", fntb,
Brushes.Black, perimeter + _bufferSpace + 30, (_chartItems.Count+1) * _legendFontHeight,sf);
grp.DrawString(_total.ToString("#,###.##"), fntb,
Brushes.Black, perimeter + _bufferSpace + 200, (_chartItems.Count+1) * _legendFontHeight,sf);
}
grp.SmoothingMode = SmoothingMode.AntiAlias;
}
finally
{
if (sf != null) sf.Dispose();
if (grp != null) grp.Dispose();
if (sfp != null) sfp.Dispose();
if (fnt != null) fnt.Dispose();
if (pen != null) pen.Dispose();
}
return bmp;
}
//*********************************************************************
//
// This method calculates the space required to draw the chart legend.
//
//*********************************************************************
private void CalculateLegendWidthHeight()
{
Font fontLegend = new Font(_legendFontStyle, _legendFontSize);
_legendFontHeight = fontLegend.Height+3;
_legendHeight = fontLegend.Height * (_chartItems.Count + 1);
if (_legendHeight > _perimeter) _perimeter = _legendHeight;
_legendWidth = _perimeter + _bufferSpace;
fontLegend.Dispose();
}
}
}