private void drawBackround_DrawCustomContent(object sender, DrawBackroundImageEventArgs e)
{
Graphics canvas = e.Canvas;
int pixels = this.horizontal ? this.Width : this.Height;
linesPerPixel = (this.TotalLines > pixels) ? ((float)this.TotalLines / pixels) : ((float)pixels / this.TotalLines);
Pen pen = new Pen(Brushes.Red);
foreach (var marker in this.markers)
{
pen.Color = marker.Value;
int position = (int)(this.TotalLines > pixels ? marker.Key / linesPerPixel : marker.Key * linesPerPixel);
if (position > pixels)
{
position = pixels;
}
if (this.horizontal)
{
canvas.DrawLine(pen, position, 0, position, this.Height);
}
else
{
canvas.DrawLine(pen, 0, position, this.Width, position);
}
}
if (this.Horizontal)
{
canvas.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SystemDefault;
canvas.DrawString(this.Text, new Font("Arial", 7), new SolidBrush(Color.FromArgb(100, 0, 0, 0)), new PointF(0, 0));
}
}
private void drawBackround_DrawCustomContent(object sender, DrawBackroundImageEventArgs e)
{
Graphics canvas = e.Canvas;
canvas.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
//Draw timeline
Pen pen = new Pen(Brushes.Black);
Font font = new Font("Microsoft Sans Serif", 8);
SolidBrush brush = new SolidBrush(Color.Black);
float textHeight = canvas.MeasureString("yX", font).Height;
const int minimumPixelsBetweenMinutes = 6;
int numberOfMinutesToDraw = (int)((this.PixelsPerHour / minimumPixelsBetweenMinutes));
numberOfMinutesToDraw = this.minutePeaks.Keys.Where(m => m <= numberOfMinutesToDraw).FirstOrDefault();
int highlightMinute = 0;
float pixelsBetweenMinutes = 0;
if (numberOfMinutesToDraw > 0)
{
highlightMinute = this.minutePeaks[numberOfMinutesToDraw];
pixelsBetweenMinutes = (float)PixelsPerHour / numberOfMinutesToDraw;
}
for (int hour = 0; hour <= this.hoursCount; hour++)
{
DateTime whereWeAre = this.DateStart.AddHours(hour);
float positionX = this.PixelsPerHour * hour;
float positionY = 0;
float textPositionX = positionX;
if (whereWeAre.Hour == 0 || hour == 0)
{
//Draw day text
string dateTxt = whereWeAre.ToShortDateString();
canvas.DrawString(dateTxt, font, brush, new PointF(positionX, positionY));
/*
* //Draw day line
* pen.Width = 2;
* pen.Color = Color.Blue;
* canvas.DrawLine(pen, positionX, positionY, positionX, positionY + 10);
*/
}
positionY = textHeight;
//Draw hour text
string hourTxt = whereWeAre.ToString("HH");
//SizeF textSize = canvas.MeasureString(hourTxt, font);
//textPositionX = (int)(positionX - (textSize.Width / 2));
canvas.DrawString(hourTxt, font, brush, new PointF(positionX - 1, positionY));
//Draw hour line
positionY = positionY + textHeight + 2;
pen.Color = Color.Black;
canvas.DrawLine(pen, positionX, positionY, positionX, positionY + 5);
//Draw minute lines
int highilightCounter = 0;
pen.Color = Color.DarkGray;
for (int i = 0; i < numberOfMinutesToDraw - 1; i++)
{
highilightCounter++;
if (highilightCounter == highlightMinute)
{
highilightCounter = 0;
pen.Width = 2;
}
else
{
pen.Width = 1;
}
positionX += pixelsBetweenMinutes;
canvas.DrawLine(pen, positionX, positionY, positionX, positionY + 5);
}
}
}
