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Sygnal.cs
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Sygnal.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
namespace AnalizatorFalkowy
{
abstract class Sygnal
{
protected const int GRANICA_ZAGESZCZENIE_PIKSELI = 7;
protected HScrollBar scrollBar;
protected TrackBar zoomTrackBar;
protected PictureBox pictureBoxSygnal;
protected Graphics graphicsSygnal;
protected int dlugoscSygnalu;
protected int iloscPikseliNaProbke;
private int dlugoscKanalu;
public Sygnal(HScrollBar scrollBar, TrackBar zoomTrackBar, PictureBox pictureBoxSygnal, int dlugoscKanalu)
{
this.scrollBar = scrollBar;
this.zoomTrackBar = zoomTrackBar;
this.pictureBoxSygnal = pictureBoxSygnal;
this.dlugoscKanalu = dlugoscKanalu;
graphicsSygnal = Graphics.FromHwnd(pictureBoxSygnal.Handle);
UstawMaksZoom();
UstawMaksINowaWartoscScroll();
dlugoscSygnalu = ObliczDlugoscSygnalu();
iloscPikseliNaProbke = ObliczIloscPikseliNaProbke();
}
private int ObliczIloscPikseliNaProbke()
{
return dlugoscKanalu / dlugoscSygnalu;
}
private void UstawMaksZoom()
{
zoomTrackBar.Minimum = 0;
zoomTrackBar.Maximum = ObliczMaksZoom();
zoomTrackBar.Value = zoomTrackBar.Maximum;
if (zoomTrackBar.Maximum > 0)
zoomTrackBar.Enabled = true;
}
private int ObliczMaksZoom()
{
return (int)Math.Log(dlugoscKanalu / pictureBoxSygnal.Width, 2) + 1;
}
private int ObliczDlugoscSygnalu()
{
if (zoomTrackBar.Value == zoomTrackBar.Maximum)
return pictureBoxSygnal.Width;
return dlugoscKanalu / (int)Math.Pow(2, zoomTrackBar.Value);
}
private void UstawMaksINowaWartoscScroll()
{
if (zoomTrackBar.Value == zoomTrackBar.Maximum)
{
scrollBar.Value = 0;
scrollBar.Maximum = 0;
scrollBar.Enabled = false;
}
else if (scrollBar.Maximum != 0)
{
scrollBar.Enabled = true;
int staryMaks = scrollBar.Maximum;
scrollBar.Maximum = dlugoscSygnalu - pictureBoxSygnal.Width;
int dScroll = scrollBar.Maximum - staryMaks;
// if (scrollBar.Maximum > staryMaks)
{
double ilorazScroll = scrollBar.Maximum / (double)staryMaks;
scrollBar.Value = (int)(scrollBar.Value * ilorazScroll);
}
//else
//{
// double ilorazScroll = staryMaks / (double)scrollBar.Maximum;
// scrollBar.Value -= (int)(scrollBar.Value * ilorazScroll);
//}
//else if (nowaWartosc > scrollBar.Maximum)
// scrollBar.Value = scrollBar.Maximum;
//else
// scrollBar.Value = nowaWartosc;
}
else
{
scrollBar.Enabled = true;
scrollBar.Maximum = dlugoscSygnalu - pictureBoxSygnal.Width;
}
}
protected void OdswiezPrzyZmianieZoom()
{
dlugoscSygnalu = ObliczDlugoscSygnalu();
iloscPikseliNaProbke = ObliczIloscPikseliNaProbke();
UstawMaksINowaWartoscScroll();
}
protected void OdswiezPrzyZmianieRozmiaruPictureBox()
{
zoomTrackBar.Maximum = ObliczMaksZoom();
OdswiezPrzyZmianieZoom();
}
public abstract void Rysuj();
public abstract void Zoom();
public abstract void Scroll();
}
}