basic_pie_chart.ps1

#Copyright (c) 2014 Serguei Kouzmine
#
#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.

# http://www.codeguru.com/csharp/csharp/cs_graphics/chartsandgraphing/article.php/c6145/Creating-Simple-Charts-and-Graphs.htm
Add-Type -TypeDefinition @"
//"
using System;
using System.Drawing;
using System.Drawing.Imaging;
// http://msdn.microsoft.com/en-us/library/system.drawing.imaging%28v=vs.100%29.aspx
namespace CodeGuru.SampleCode
{
    /// <summary>
    /// Draw a pie chart using the given information.
    /// </summary>
    public class PieChart
    {
        public Bitmap Draw(Color bgColor, int width, int height,
        decimal[] vals)
        {
            // Create a new image and erase the background
            Bitmap bitmap = new Bitmap(width, height,
            PixelFormat.Format32bppArgb);
            Graphics graphics = Graphics.FromImage(bitmap);
            SolidBrush brush = new SolidBrush(bgColor);
            graphics.FillRectangle(brush, 0, 0, width, height);
            brush.Dispose();

            // Create brushes for coloring the pie chart
            SolidBrush[] brushes = new SolidBrush[10];
            brushes[0] = new SolidBrush(Color.Yellow);
            brushes[1] = new SolidBrush(Color.Green);
            brushes[2] = new SolidBrush(Color.Blue);
            brushes[3] = new SolidBrush(Color.Cyan);
            brushes[4] = new SolidBrush(Color.Magenta);
            brushes[5] = new SolidBrush(Color.Red);
            brushes[6] = new SolidBrush(Color.Black);
            brushes[7] = new SolidBrush(Color.Gray);
            brushes[8] = new SolidBrush(Color.Maroon);
            brushes[9] = new SolidBrush(Color.LightBlue);

            // Sum the inputs to get the total
            decimal total = 0.0m;
            foreach (decimal val in vals)
                total += val;

            // Draw the pie chart
            float start = 0.0f;
            float end = 0.0f;
            decimal current = 0.0m;
            for (int i = 0; i < vals.Length; i++)
            {
                current += vals[i];
                start = end;
                end = (float)(current / total) * 360.0f;
                graphics.FillPie(brushes[i % 10], 0.0f, 0.0f, width,
                height, start, end - start);
            }

            // Clean up the brush resources
            foreach (SolidBrush cleanBrush in brushes)
                cleanBrush.Dispose();

            return bitmap;
        }
    }
}
"@ -ReferencedAssemblies 'System.Windows.Forms.dll','System.Drawing.dll','System.Data.dll'

Add-Type -TypeDefinition @"
using System;
using System.Windows.Forms;
public class Win32Window : IWin32Window
{
    private IntPtr _hWnd;
    private int _data;
    private string _script_directory;

    public int Data
    {
        get { return _data; }
        set { _data = value; }
    }
    public string ScriptDirectory
    {
        get { return _script_directory; }
        set { _script_directory = value; }
    }

    public Win32Window(IntPtr handle)
    {
        _hWnd = handle;
    }

    public IntPtr Handle
    {
        get { return _hWnd; }
    }
}

"@ -ReferencedAssemblies 'System.Windows.Forms.dll'


function PieChart {
  param(
    [object]$caller
  )

  ('System.Drawing','System.Windows.Forms') | ForEach-Object { [void][System.Reflection.Assembly]::LoadWithPartialName($_) }


  $f = New-Object System.Windows.Forms.Form
  $f.MaximizeBox = $f.MinimizeBox = $false
  $f.AutoScaleMode = [System.Windows.Forms.AutoScaleMode]::None
  $f.BackColor = [System.Drawing.Color]::White
  $f.Name = "Chart"
  $f.Size = New-Object System.Drawing.Size (260,260)

  $panel = New-Object System.Windows.Forms.Panel
  $f.SuspendLayout()
  $f.Controls.Add($panel)

  $panel.SuspendLayout()
  $panel.ForeColor = [System.Drawing.Color]::Black
  $panel.Location = New-Object System.Drawing.Point (0,0)
  $panel.Name = 'panel'
  $panel.Size = New-Object System.Drawing.Size (($f.Size.Width),($f.Size.Height))
  $panel.TabIndex = 1


  [System.Windows.Forms.PictureBox]$b = New-Object -TypeName 'System.Windows.Forms.PictureBox'
  $b.Location = New-Object System.Drawing.Point (0,0)
  $b.Size = New-Object System.Drawing.Size (($f.Size.Width),($f.Size.Height))
  $b.SizeMode = [System.Windows.Forms.PictureBoxSizeMode]::AutoSize
  $b.TabIndex = 1
  $b.TabStop = $false
  $b.Name = 'chart'

  $o = New-Object -TypeName 'CodeGuru.SampleCode.PieChart' -ArgumentList @()

  [System.Drawing.Color]$c = [System.Drawing.Color]::Gainsboro
  $width = 230
  $height = 230
  # TODO - parse URL query strings P1=20&P2=15&P3=55&P4=82&P5=102&P6=6
  $vals = @( 20,15,55,72,102,6)
  [System.Drawing.Bitmap]$chart_bitmap = $o.Draw($c,$width,$height,$vals)

  $b.Image = $chart_bitmap
  $panel.Controls.Add($b)
  $panel.ResumeLayout($false)
  $panel.PerformLayout()
  $f.ResumeLayout($false)
  [void]$f.ShowDialog([win32window]($caller))
  $f.Dispose()


}

$DebugPreference = 'Continue'
$title = 'Basic Pie Chart'
$caller = New-Object Win32Window -ArgumentList ([System.Diagnostics.Process]::GetCurrentProcess().MainWindowHandle)
PieChart