/// <summary>
/// Function: FindTickMarks()
/// Author: Don England
/// Last Modified: 19-Feb-2013
/// Purpose: This function is meant to find the tickType used
/// for generating tickMarkInterval which combine to produce
/// a tickOffset for computing visible tick marks
/// Usage: Call when ever the visible range has been modified
/// </summary>
void FindTickMarks()
{
// Find the Current Visible Range
visibleRange = visibleTimeEnd - visibleTimeStart;
double typeRange = visibleRange.TotalDays;
if (typeRange > (365.25 * numberOfTickMarks))
{
//use years
myTickType = tickType.years;
for (int k = 0; k < (totalRange.Days / 365.25); k++)
{
if (typeRange / (365.25 * k) <= numberOfTickMarks)
{
totalTimeStart.AddYears(1);
}
}
}
else if (typeRange > (30.5 * numberOfTickMarks))
{
//use months
myTickType = tickType.months;
}
else if (typeRange > numberOfTickMarks)
{
//use days
myTickType = tickType.days;
}
else
{
typeRange = visibleRange.TotalMinutes;
if (typeRange > (60 * numberOfTickMarks))
{
//use hours
myTickType = tickType.hours;
}
else if (typeRange > numberOfTickMarks)
{
//use minutes
myTickType = tickType.minutes;
}
else
{
//use seconds
myTickType = tickType.seconds;
}
}
FindTickMarkInterval();
}
private void drawTick(int pos, tickType _tickType)
{
int wd = this.Size.Width;
int ht = this.Size.Height;
//Rulers:
// horizontal: ruler1 = top, ruler2 = bottom
// vertical: ruler1 = right, ruler2 = left
int lineLenght = 0;
Font ft = new Font("Arial", 20, GraphicsUnit.Pixel);
switch (_tickType)
{
case tickType.century:
lineLenght = 15;
ft = new Font("Arial", 20, GraphicsUnit.Pixel);
break;
case tickType.quint:
lineLenght = 12;
ft = new Font("Arial", 12, GraphicsUnit.Pixel);
break;
case tickType.decade:
lineLenght = 5;
ft = new Font("Arial", 8, GraphicsUnit.Pixel);
break;
default:
lineLenght = 3;
break;
}
Graphics g = this.CreateGraphics();
Rectangle ruler1 = new Rectangle();
Rectangle ruler2 = new Rectangle();
Point textPoint1 = new Point();
Point textPoint2 = new Point();
int adjPost = pos;
if (adjPost > 100 && adjPost % 100 != 0)
{
adjPost -= (adjPost - (adjPost % 100));
}
SizeF stringSize = g.MeasureString(adjPost.ToString("#"), ft);
if (IAmVertical)
{
ruler1 = new Rectangle(wd - lineLenght, pos, lineLenght, 0);
ruler2 = new Rectangle(0, pos, lineLenght, 0);
textPoint1 = new Point((int)(wd - lineLenght - stringSize.Width - 2), (int)Math.Floor(pos - (stringSize.Height / 2)));
textPoint2 = new Point((int)(lineLenght + 2), (int)Math.Floor(pos - (stringSize.Height / 2)));
}
else
{
ruler1 = new Rectangle(pos, 0, 0, lineLenght);
ruler2 = new Rectangle(pos, ht - lineLenght, 0, lineLenght);
textPoint1 = new Point((int)Math.Floor(pos - (stringSize.Width / 2)), (int)(lineLenght + 2));
textPoint2 = new Point((int)Math.Floor(pos - (stringSize.Width / 2)), (int)(ht - lineLenght - 2 - stringSize.Height));
}
Pen pen = new Pen(Color.Black);
SolidBrush drawBrush = new SolidBrush(Color.Black);
g.DrawLine(pen, ruler1.X, ruler1.Y, ruler1.X + ruler1.Width, ruler1.Y + ruler1.Height);
g.DrawLine(pen, ruler2.X, ruler2.Y, ruler2.X + ruler2.Width, ruler2.Y + ruler2.Height);
if (_tickType != tickType.fifth)
{
g.DrawString(adjPost.ToString("#"), ft, drawBrush, textPoint1);
g.DrawString(adjPost.ToString("#"), ft, drawBrush, textPoint2);
}
g.Dispose();
}
/// <summary>
/// Function: FindTickMarks()
/// Author: Don England
/// Last Modified: 19-Feb-2013
/// Purpose: This function is meant to find the tickType used
/// for generating tickMarkInterval which combine to produce
/// a tickOffset for computing visible tick marks
/// Usage: Call when ever the visible range has been modified
/// </summary>
void FindTickMarks()
{
// Find the Current Visible Range
visibleRange = visibleTimeEnd - visibleTimeStart;
double typeRange = visibleRange.TotalDays;
if( typeRange > (365.25*numberOfTickMarks)){
//use years
myTickType = tickType.years;
for( int k = 0; k < (totalRange.Days/365.25); k++){
if(typeRange/(365.25*k) <= numberOfTickMarks)
totalTimeStart.AddYears(1);
}
}else if( typeRange > (30.5*numberOfTickMarks)){
//use months
myTickType = tickType.months;
}else if( typeRange > numberOfTickMarks){
//use days
myTickType = tickType.days;
}else{
typeRange = visibleRange.TotalMinutes;
if( typeRange > (60 * numberOfTickMarks)){
//use hours
myTickType = tickType.hours;
}else if( typeRange > numberOfTickMarks){
//use minutes
myTickType = tickType.minutes;
}
else{
//use seconds
myTickType = tickType.seconds;
}
}
FindTickMarkInterval();
}
