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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ShiftOS.WinForms.Controls
{
public partial class ShiftedProgressBar : Control
{
public ShiftedProgressBar()
{
this.SizeChanged += (o, a) =>
{
this.Refresh();
};
var t = new Timer();
t.Interval = 100;
t.Tick += (o, a) =>
{
if(this._style == ProgressBarStyle.Marquee)
{
if(_marqueePos >= this.Width)
{
_marqueePos = 0 - (this.Width / 4);
}
else
{
_marqueePos++;
}
this.Refresh();
}
};
t.Start();
}
private int _value = 0;
private int _max = 100;
public int Value
{
get
{
return _value;
}
set
{
_value = value;
this.Refresh();
}
}
public int Maximum
{
get
{
return _max;
}
set
{
_max = value;
this.Refresh();
}
}
public ProgressBarStyle _style = ProgressBarStyle.Continuous;
public ProgressBarStyle Style
{
get { return _style; }
set { _style = value; this.Refresh(); }
}
private int _blocksize = 5;
public int BlockSize
{
get { return _blocksize; }
set
{
_blocksize = value;
this.Refresh();
}
}
protected override void OnPaint(PaintEventArgs pe)
{
pe.Graphics.Clear(this.BackColor);
switch (_style)
{
case ProgressBarStyle.Continuous:
double width = linear(this.Value, 0, this.Maximum, 0, this.Width);
pe.Graphics.FillRectangle(new SolidBrush(Color.Green), new RectangleF(0, 0, (float)width, this.Height));
break;
case ProgressBarStyle.Blocks:
int block_count = this.Width / (this._blocksize + 2);
int blocks = (int)linear(this.Value, 0, this.Maximum, 0, block_count);
for(int i = 0; i < blocks - 1; i++)
{
int position = i * (_blocksize + 2);
pe.Graphics.FillRectangle(new SolidBrush(Color.Green), new Rectangle(position, 0, _blocksize, this.Height));
}
break;
case ProgressBarStyle.Marquee:
pe.Graphics.FillRectangle(new SolidBrush(Color.Green), new Rectangle(_marqueePos, 0, this.Width / 4, this.Height));
break;
}
}
private int _marqueePos = 0;
static private double linear(double x, double x0, double x1, double y0, double y1)
{
if ((x1 - x0) == 0)
{
return (y0 + y1) / 2;
}
return y0 + (x - x0) * (y1 - y0) / (x1 - x0);
}
}
}
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