private int _DrawTasks(Graphics graphics, Rectangle clipRect)
{
var viewRect = _mViewport.Rectangle;
int row = 0;
var pen = new Pen(Color.Gray);
float labelMargin = this.MinorWidth / 2.0f + 3.0f;
pen.DashStyle = DashStyle.Dot;
TaskPaintEventArgs e;
foreach (var task in _mChartTaskRects.Keys)
{
// Get the taskrect
var taskrect = _mChartTaskRects[task];
// Only begin drawing when the taskrect is to the left of the clipRect's right edge
if (taskrect.Left <= viewRect.Right)
{
e = new TaskPaintEventArgs(graphics, clipRect, this, task, row, this.Font, task.Format);
PaintTask?.Invoke(this, e);
if (viewRect.IntersectsWith(taskrect))
{
__DrawRegularTaskAndGroup(graphics, e, task, taskrect);
}
// write text
if (this.ShowTaskLabels && task.Name != string.Empty)
{
var name = task.Name;
var txtrect = graphics.TextBoxAlign(name, ChartTextAlign.MiddleLeft, e.Font, taskrect, labelMargin);
txtrect.Offset(taskrect.Width, 0);
if (viewRect.IntersectsWith(txtrect))
{
graphics.DrawString(name, e.Font, e.Format.Color, txtrect);
}
}
// draw slack
if (this.ShowSlack)
{
var slackrect = _mChartSlackRects[task];
if (viewRect.IntersectsWith(slackrect))
{
graphics.FillRectangle(e.Format.SlackFill, slackrect);
}
}
}
row++;
}
return(row);
}
private int DrawScheduleEvents(Graphics graphics, SchedulerModels models, Rectangle clipRect)
{
var viewRect = viewport.Rectangle;
var pen = new Pen(Color.Gray);
float labelMargin = control.MinorWidth / 2.0f + 3.0f;
pen.DashStyle = DashStyle.Dot;
TaskPaintEventArgs e;
foreach (var task in models.EventRectangles.Keys)
{
// Get the taskrect
var taskrect = models.EventRectangles[task];
// Only begin drawing when the taskrect is to the left of the clipRect's right edge
if (taskrect.Left <= viewRect.Right)
{
e = new TaskPaintEventArgs(graphics, clipRect, control, task, task.Row, control.Font, task.Format);
PaintTask?.Invoke(control, e);
if (viewRect.IntersectsWith(taskrect))
{
DrawScheduleEvent(graphics, e, task, taskrect);
}
// write text
if (control.ShowTaskLabels && task.Name != string.Empty)
{
var name = task.Name;
var txtrect = graphics.TextBoxAlign(name, ChartTextAlign.MiddleLeft, e.Font, taskrect, labelMargin);
txtrect.Offset(taskrect.Width, 0);
if (viewRect.IntersectsWith(txtrect))
{
graphics.DrawString(name, e.Font, e.Format.Color, txtrect);
}
}
// draw slack
if (control.ShowSlack)
{
var slackrect = models.EventSlackRectangles[task];
if (viewRect.IntersectsWith(slackrect))
{
graphics.FillRectangle(e.Format.SlackFill, slackrect);
}
}
}
}
return(1);
}