ardupilot/Configurator/Configurator.Net/Views/controls/LinearIndicatorControl.cs

384 lines
14 KiB
C#

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
/*
* Starting point for this control:
* http://www.codeproject.com/KB/progress/iTunes_Bar.aspx
*
*/
namespace ArducopterConfigurator.Views.controls
{
/// <summary>
/// </summary>
[ToolboxBitmap(typeof(System.Windows.Forms.ProgressBar))]
public partial class LinearIndicatorControl : UserControl
{
public static readonly Color PreBarBaseDark = Color.FromArgb(199, 200, 201);
public static readonly Color PreBarBaseLight = Color.WhiteSmoke;
public static readonly Color PreBarLight = Color.FromArgb(102, 144, 252);
public static readonly Color PreBarDark = Color.FromArgb(40, 68, 202);
public static readonly Color PreBorderColor = Color.DarkGray;
private Color _barBgLightColour = PreBarBaseLight;
private Color _barBgDarkColor = PreBarBaseDark;
private Color _barLightColour = PreBarLight;
private Color _barDarkColour = PreBarDark;
private Color _borderColor = PreBorderColor;
private Color _watermarkLineColor = PreBorderColor;
private float _borderWidth = 1.0F;
private int _min = 0;
private int _max = 100;
private int _val = 50;
private int _offset = 0;
private int iNumDividers = 10;
private bool _isVertical = false;
private int _minWatermark;
private int _maxWatermark;
public LinearIndicatorControl()
{
SetStyle(ControlStyles.OptimizedDoubleBuffer |
ControlStyles.AllPaintingInWmPaint |
ControlStyles.UserPaint |
ControlStyles.ResizeRedraw, true);
InitializeComponent();
this.Width = 300;
this.Height = 50;
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.Paint"></see> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.PaintEventArgs"></see> that contains the event data.</param>
protected override void OnPaint(PaintEventArgs e)
{
var g = e.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
g.Clear(BackColor);
var bmp = GenerateProcentBarBitmap(Width, Height, BackColor);
g.DrawImage(bmp, 0, 0);
}
// Generate the bar image on graphics g
// g is the graphics of the whole control
private void GenerateBar(Graphics g, float x, float y, float width, float height, bool isVertical)
{
var rect = new RectangleF(x, y, width, height);
// Fill the background
using (var white = new LinearGradientBrush(rect, _barBgLightColour, _barBgDarkColor, isVertical ? 0 : 90.0F, false))
g.FillRectangle(white, rect);
// Now do the progress bar that represents the value
var barSize = (float)Math.Abs(_val - _offset) / (_max - _min) * (isVertical ? height : width);
var barStart = (float)(Math.Min(_offset, _val) - _min) / (_max - _min) * (isVertical ? height : width);
if (barSize > 0.10F)
{
rect = isVertical
? new RectangleF(x, y + height - ( barStart + barSize), width, barSize)
: new RectangleF(x + barStart, y, barSize, height);
using (var bg = new LinearGradientBrush(rect, _barLightColour, _barDarkColour, isVertical ? 0 : 90.0F, false))
g.FillRectangle(bg, rect);
using (Pen p = new Pen(_borderColor, _borderWidth))
{
p.Alignment = PenAlignment.Inset;
p.LineJoin = LineJoin.Round;
g.DrawLine(p, width, y, width, height);
}
}
// Now the line that represents the Offset/Origin
DrawLine(width, height, isVertical, g, _offset,_borderColor);
// Draw the high/low watermarks
if (_minWatermark!=_offset)
DrawLine(width, height, isVertical, g, _minWatermark, _watermarkLineColor);
if (_maxWatermark!=_offset)
DrawLine(width, height, isVertical, g, _maxWatermark, _watermarkLineColor);
// Border around the whole thing
using (Pen p = new Pen(_borderColor, _borderWidth * 2))
{
p.Alignment = PenAlignment.Outset;
p.LineJoin = LineJoin.Round;
g.DrawRectangle(p, x, y, width, height);
}
// using (Pen p = new Pen(_barDarkColour, _borderWidth))
// {
// p.Alignment = PenAlignment.Inset;
// p.LineJoin = LineJoin.Round;
// using (Pen p2 = new Pen(_barLightColour, _borderWidth))
// {
// p2.Alignment = PenAlignment.Inset;
// p2.LineJoin = LineJoin.Round;
//
// float procentMarkerWidth = (width / iNumDividers);
//
// for (float i = procentMarkerWidth; i < totalWidth; i += procentMarkerWidth)
// {
// if (i >= width)
// {
// p.Color = _barBgLightColour;
// p2.Color = _barBgDarkColor;
// }
//
// g.DrawLine(p, i, 0, i, height);
// g.DrawLine(p2, i + _borderWidth, 0, i + _borderWidth, height);
//
// }
// }
// }
}
private void DrawLine(float width, float height, bool isVertical, Graphics g, int position, Color color)
{
if (position > _min && _offset < _max)
using (Pen p = new Pen(color, _borderWidth))
{
var linePos = (float)(position - _min) / (_max - _min) * (isVertical ? height : width);
if (isVertical)
g.DrawLine(p, 0 ,height - linePos, width, height - linePos);
else
g.DrawLine(p, linePos, 0, linePos, height);
}
}
private Bitmap GenerateProcentBarBitmap(int width, int height,Color bgColor)
{
var theImage = new Bitmap(width, height);
using (var g = Graphics.FromImage(theImage))
{
g.SmoothingMode = SmoothingMode.AntiAlias;
g.Clear(bgColor);
//int height1 = height - (height / 3);
int height1 = height;
var bmp1 = new Bitmap(width, height1);
var g1 = Graphics.FromImage(bmp1);
GenerateBar(g1, 0.0F, 0.0F, width, height1, _isVertical);
g1.Dispose();
var bmp = bmp1;
g.DrawImage(bmp, 0, 0);
g.Dispose();
bmp.Dispose();
}
return theImage;
}
/// <summary>
/// Gets or sets the number of bar dividers to display.
/// </summary>
/// <value>The num bar dividers.</value>
[System.ComponentModel.Description("Gets or sets how many dividers to display on the bar")]
[System.ComponentModel.DefaultValue(10)]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public int BarDividersCount
{
get { return iNumDividers; }
set { iNumDividers = value; Refresh(); }
}
/// <summary>
/// Gets or sets the width of the border.
/// </summary>
/// <value>The width of the border.</value>
[System.ComponentModel.Description("Gets or sets the with of the borders")]
[System.ComponentModel.DefaultValue(1.0f)]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public float BarBorderWidth
{
get { return _borderWidth; }
set { _borderWidth = value; Refresh(); }
}
/// <summary>
/// Gets or sets the bar background light.
/// </summary>
/// <value>The bar background light.</value>
[System.ComponentModel.Description("Gets or sets the lighter background color")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public Color BarBackgroundLight
{
get { return _barBgLightColour; }
set { _barBgLightColour = value; Refresh(); }
}
/// <summary>
/// Gets or sets the bar background dark.
/// </summary>
/// <value>The bar background dark.</value>
[System.ComponentModel.Description("Gets or sets the darker background color")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public Color BarBackgroundDark
{
get { return _barBgDarkColor; }
set { _barBgDarkColor = value; Refresh(); }
}
/// <summary>
/// Gets or sets the bar light.
/// </summary>
/// <value>The bar light.</value>
[System.ComponentModel.Description("Gets or sets the light bar color")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public Color BarLight
{
get { return _barLightColour; }
set { _barLightColour = value; Refresh(); }
}
/// <summary>
/// Gets or sets the bar dark.
/// </summary>
/// <value>The bar dark.</value>
[System.ComponentModel.Description("Gets or sets the dark bar color")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public Color BarDark
{
get { return _barDarkColour; }
set { _barDarkColour = value; Refresh(); }
}
/// <summary>
/// Gets or sets the color of the border.
/// </summary>
/// <value>The color of the border.</value>
[System.ComponentModel.Description("The border color")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public Color BarBorderColor
{
get { return _borderColor; }
set { _borderColor = value; Refresh(); }
}
/// <summary>
/// Gets or sets the color of the border.
/// </summary>
/// <value>The color of the border.</value>
[System.ComponentModel.Description("The color for the watermark lines")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public Color WatermarkLineColor
{
get { return _watermarkLineColor; }
set { _watermarkLineColor = value; Refresh(); }
}
[System.ComponentModel.Description("Gets or sets the Minimum Value")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public int Min
{
get { return _min; }
set { _min = value; Refresh(); }
}
[System.ComponentModel.Description("Gets or sets the Minimum Value")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public int Max
{
get { return _max; }
set { _max = value; Refresh(); }
}
[System.ComponentModel.Description("Gets or sets the Offset Value")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public int Offset
{
get { return _offset; }
set { _offset = value; Refresh(); }
}
[System.ComponentModel.Description("Gets or sets the Value")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public int Value
{
get { return _val; }
set
{
if (_val != value)
{
_val = value;
Refresh();
}
}
}
[System.ComponentModel.Description("The position of the Max watermark line. Set to Offset if not needed")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public int MaxWaterMark
{
get { return _maxWatermark; }
set
{
if (_maxWatermark != value)
{
_maxWatermark = value;
Refresh();
}
}
}
[System.ComponentModel.Description("The position of the Min watermark line. Set to Offset if not needed")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public int MinWatermark
{
get { return _minWatermark; }
set
{
if (_minWatermark != value)
{
_minWatermark = value;
Refresh();
}
}
}
[System.ComponentModel.Description("Gets or sets whether the indicator is vertical")]
[System.ComponentModel.RefreshProperties(System.ComponentModel.RefreshProperties.Repaint)]
public bool IsVertical
{
get { return _isVertical; }
set { _isVertical = value; Refresh(); }
}
}
}