public override void DrawSlices(Graphics g, double From, double To)
{
RectangleF r = g.ClipBounds;
if (r.Width == 0 || r.Height == 0)
{
return;
}
PointF[] stp = new PointF[2];
stp[0].X = 0;
stp[1].X = -r.Width;
FTransformer.GTransformation.TransformPoints(stp);
FStart = -stp[0].X / FTransformer.GTimeScale;
FEnd = -stp[1].X / FTransformer.GTimeScale;
int visibleSeconds = (int)(r.Width / FTransformer.GTimeScale);
int firstSecond = (int)Math.Ceiling(-FStart);
double startOffset = -(firstSecond + FStart) * FTransformer.GTimeScale;
//pixel per second: pps
float pps = r.Width / visibleSeconds;
Pen pen = new Pen(Color.Gray);
float s;
int m, ss;
string tt;
int pixPerBar = 60;
double visibleTime = r.Width / FTransformer.GTimeScale;
int secPerBar = Math.Max(1, (int)(visibleTime / (r.Width / pixPerBar)));
int maxBars = (int)r.Width / pixPerBar;
float x;
Font f = new Font("Verdana", 7);
SolidBrush sb = new SolidBrush(Color.Gray);
int t = 0;
do
{
x = (float)(startOffset + t * secPerBar * FTransformer.GTimeScale);
g.DrawLine(pen, x, 0, x, r.Height);
s = -firstSecond + t * secPerBar;
m = (int)s / 60;
ss = (int)(s % 60);
tt = m.ToString() + ":" + ss.ToString("d2");
g.DrawString(tt, f, sb, x, 5);
t++;
}while (x < r.Width);
t = 0;
do
{
x = (float)(startOffset + t * secPerBar / 10.0 * FTransformer.GTimeScale);
g.DrawLine(pen, x, r.Height, x, r.Height - r.Height / 6);
t++;
}while (x < r.Width);
//draw time triangles
float time;
for (int i = 0; i < FTimer.TimeCount; i++)
{
time = FTransformer.TransformPoint(new PointF((float)FTimer.GetTime(i), 0)).X;
g.DrawLine(new Pen(Color.Black), time, 0, time, Height);
PointF[] tri = new PointF[3];
tri[0] = new PointF(time, 7);
tri[1] = new PointF(time - 4, 0);
tri[2] = new PointF(time + 4, 0);
g.FillPolygon(new SolidBrush(Color.Black), tri);
}
}
public float GetDurationAsX()
{
return(FTransformer.TransformPoint(new PointF((float)FEnd, 0)).X - GetTimeAsX());
}
