protected void DrawRuler(Graphics g, TimelineViewControlRenderer r, Rectangle rect, bool left)
{
float visibleValueSpan = Math.Abs(this.verticalUnitTop - this.verticalUnitBottom);
int valueDecimals = Math.Max(0, -(int)Math.Log10(visibleValueSpan) + 2);
string verticalTopText = string.Format(
System.Globalization.CultureInfo.InvariantCulture,
"{0:F" + valueDecimals + "}",
this.verticalUnitTop);
string verticalBottomText = string.Format(
System.Globalization.CultureInfo.InvariantCulture,
"{0:F" + valueDecimals + "}",
this.verticalUnitBottom);
SizeF verticalTopTextSize = g.MeasureString(verticalTopText, r.FontSmall);
SizeF verticalBottomTextSize = g.MeasureString(verticalBottomText, r.FontSmall);
// Draw background
Rectangle borderRect;
if (this.ParentView.BorderStyle != System.Windows.Forms.BorderStyle.None)
{
borderRect = new Rectangle(
rect.X - (left ? 1 : 0),
rect.Y,
rect.Width + 1,
rect.Height);
}
else
{
borderRect = rect;
}
g.FillRectangle(new SolidBrush(r.ColorVeryLightBackground), rect);
r.DrawBorder(g, borderRect, Drawing.BorderStyle.Simple, BorderState.Normal);
// Determine drawing geometry
Rectangle rectTrackName;
Rectangle rectUnitMarkings;
Rectangle rectUnitRuler;
{
float markingRatio = 0.5f + 0.5f * (1.0f - Math.Max(Math.Min((float)rect.Height / 32.0f, 1.0f), 0.0f));
rectTrackName = new Rectangle(
rect.X,
rect.Y,
Math.Min(rect.Width, r.FontRegular.Height + 2),
rect.Height);
rectUnitMarkings = new Rectangle(
rect.Right - Math.Min((int)(rect.Width * markingRatio), 16),
rect.Y,
Math.Min((int)(rect.Width * markingRatio), 16),
rect.Height);
int maxUnitWidth = Math.Max(Math.Max(rectUnitMarkings.Width, (int)verticalTopTextSize.Width + 2), (int)verticalBottomTextSize.Width + 2);
rectUnitRuler = new Rectangle(
rect.Right - maxUnitWidth,
rect.Y,
maxUnitWidth,
rect.Height);
if (!left)
{
rectTrackName.X = rect.Right - (rectTrackName .X - rect.Left) - rectTrackName .Width;
rectUnitMarkings.X = rect.Right - (rectUnitMarkings.X - rect.Left) - rectUnitMarkings .Width;
rectUnitRuler.X = rect.Right - (rectUnitRuler .X - rect.Left) - rectUnitRuler .Width;
}
}
// Draw track name
{
Rectangle overlap = rectUnitMarkings;
overlap.Intersect(rectTrackName);
float overlapAmount = Math.Max(Math.Min((float)overlap.Width / (float)rectTrackName.Width, 1.0f), 0.0f);
float textOverlapAlpha = (1.0f - (overlapAmount));
StringFormat format = new StringFormat(StringFormat.GenericDefault);
format.Trimming = StringTrimming.EllipsisCharacter;
SizeF textSize = g.MeasureString(this.Model.TrackName, r.FontRegular, rectTrackName.Height, format);
var state = g.Save();
g.TranslateTransform(
rectTrackName.X + (int)textSize.Height + 2,
rectTrackName.Y);
g.RotateTransform(90);
g.DrawString(
this.Model.TrackName,
r.FontRegular,
new SolidBrush(Color.FromArgb((int)(textOverlapAlpha * 255), r.ColorText)),
new Rectangle(0, 0, rectTrackName.Height, rectTrackName.Width),
format);
g.Restore(state);
}
// Draw vertical unit markings
{
Pen bigLinePen = new Pen(new SolidBrush(r.ColorRulerMarkMajor));
Pen medLinePen = new Pen(new SolidBrush(r.ColorRulerMarkRegular));
Pen minLinePen = new Pen(new SolidBrush(r.ColorRulerMarkMinor));
// Static Top and Bottom marks
SizeF textSize;
textSize = g.MeasureString(verticalTopText, r.FontSmall);
g.DrawString(verticalTopText, r.FontSmall, new SolidBrush(r.ColorText), left ? rectUnitMarkings.Right - textSize.Width : rectUnitMarkings.Left, rectUnitMarkings.Top);
textSize = g.MeasureString(verticalBottomText, r.FontSmall);
g.DrawString(verticalBottomText, r.FontSmall, new SolidBrush(r.ColorText), left ? rectUnitMarkings.Right - textSize.Width : rectUnitMarkings.Left, rectUnitMarkings.Bottom - textSize.Height - 1);
// Dynamic Inbetween marks
foreach (TimelineViewRulerMark mark in this.GetVisibleRulerMarks())
{
float markLen;
Pen markPen;
bool bigMark;
switch (mark.Weight)
{
case TimelineViewRulerMarkWeight.Major:
markLen = 0.5f;
markPen = bigLinePen;
bigMark = true;
break;
default:
case TimelineViewRulerMarkWeight.Regular:
case TimelineViewRulerMarkWeight.Minor:
markLen = 0.25f;
markPen = medLinePen;
bigMark = false;
break;
}
int borderDistInner = r.FontSmall.Height / 2;
int borderDistOuter = r.FontSmall.Height / 2 + 15;
float borderDist = (float)Math.Min(Math.Abs(mark.PixelValue - rect.Top), Math.Abs(mark.PixelValue - rect.Bottom));
float markTopX;
float markBottomX;
if (left)
{
markTopX = rectUnitMarkings.Right - markLen * rectUnitMarkings.Width;
markBottomX = rectUnitMarkings.Right;
}
else
{
markTopX = rectUnitMarkings.Left;
markBottomX = rectUnitMarkings.Left + markLen * rectUnitMarkings.Width;
}
if (borderDist > borderDistInner)
{
float alpha = Math.Min(1.0f, (float)(borderDist - borderDistInner) / (float)(borderDistOuter - borderDistInner));
Color markColor = Color.FromArgb((int)(alpha * markPen.Color.A), markPen.Color);
Color textColor = Color.FromArgb((int)(alpha * markPen.Color.A), r.ColorText);
g.DrawLine(new Pen(markColor), (int)markTopX, (int)mark.PixelValue, (int)markBottomX, (int)mark.PixelValue);
if (bigMark)
{
string text = string.Format(
System.Globalization.CultureInfo.InvariantCulture,
"{0:F" + valueDecimals + "}",
mark.UnitValue);
textSize = g.MeasureString(text, r.FontSmall);
g.DrawString(
text,
r.FontSmall,
new SolidBrush(textColor),
left ? markTopX - textSize.Width : markBottomX,
mark.PixelValue - textSize.Height * 0.5f);
}
}
}
}
}
protected void DrawLegend(Graphics g, TimelineViewControlRenderer r, Rectangle rect)
{
// Draw background
Rectangle borderRect;
if (this.ParentView.BorderStyle != System.Windows.Forms.BorderStyle.None)
{
borderRect = new Rectangle(
rect.X,
rect.Y,
rect.Width + 1,
rect.Height);
}
else
{
borderRect = rect;
}
g.FillRectangle(new SolidBrush(r.ColorVeryLightBackground), rect);
r.DrawBorder(g, borderRect, Drawing.BorderStyle.Simple, BorderState.Normal);
}