/// <summary>
/// Draws the timeline to the display</summary>
/// <param name="timeline">Timeline</param>
/// <param name="selection">Selected timeline objects</param>
/// <param name="activeGroup">Currently active group, or null</param>
/// <param name="activeTrack">Currently active track, or null</param>
/// <param name="transform">Transform taking timeline objects to display coordinates</param>
/// <param name="clientRectangle">Bounds of displayed area of timeline, in screen space</param>
/// <returns>Bounding rectangles for all timeline objects, organized in a dictionary of TimelinePath/RectangleF pairs</returns>
public virtual TimelineLayout Draw(
ITimeline timeline,
ISelectionContext selection,
TimelinePath activeGroup,
TimelinePath activeTrack,
Matrix transform,
RectangleF clientRectangle)
{
Context c = new Context(this, transform, clientRectangle, m_graphics);
TimelineLayout layout = Layout(timeline, c);
c.ClearRecursionData();
try
{
if (m_printing)
{
transform.Translate(m_marginBounds.Left, m_marginBounds.Top, MatrixOrder.Append);
m_graphics.PushAxisAlignedClip(m_marginBounds);
}
// Clear the header column.
m_graphics.FillRectangle(new RectangleF(0, 0, HeaderWidth, c.ClientRectangle.Height), m_headerBrush);
// Draw the main timeline and then any sub-timelines.
DrawSubTimeline(null, timeline, false, true, selection, activeGroup, activeTrack, layout, c);
foreach (TimelinePath path in D2dTimelineControl.GetHierarchy(timeline))
DrawSubTimeline(path, selection, activeGroup, activeTrack, layout, c);
// Draw the dark vertical line on the header that separates the groups and tracks.
m_graphics.DrawLine(new PointF(TrackIndent, m_timeScaleHeight), new PointF(TrackIndent, c.ClientRectangle.Height), m_headerLineBrush);
// Draw the dark vertical line on the right-side of the header, separating it from the canvas.
m_graphics.DrawLine(new PointF(HeaderWidth, m_timeScaleHeight), new PointF(HeaderWidth, c.ClientRectangle.Height), m_headerLineBrush);
// draw scales, etc.
if (m_printing)
c.Graphics.TranslateTransform(0, m_marginBounds.Top);
DrawEventOverlay(c);
// Draw the dark horizontal line underneath the scale.
m_graphics.DrawLine(new PointF(0, m_timeScaleHeight), new PointF(HeaderWidth, m_timeScaleHeight), m_scaleLineBrush);
}
finally
{
if (m_printing)
m_graphics.PopAxisAlignedClip();
}
// Give the Markers in the main timeline precedence over the scale and canvas
RectangleF clipBounds = m_graphics.ClipBounds;
clipBounds.X = HeaderWidth;
//var clipBounds = new RectangleF(HeaderWidth, 0, m_graphics.Size.Width, m_graphics.Size.Height);
DrawMarkers(null, timeline, selection, c, layout, clipBounds);
return layout;
}
/// <summary>
/// Draws the timeline to the display</summary>
/// <param name="timeline">Timeline</param>
/// <param name="selection">Selected timeline objects</param>
/// <param name="activeGroup">Currently active group, or null</param>
/// <param name="activeTrack">Currently active track, or null</param>
/// <param name="transform">Transform taking timeline objects to display coordinates</param>
/// <param name="clientRectangle">Display coordinate bounding rectangle</param>
/// <param name="g">Graphics object</param>
/// <returns>Bounding rectangles for all timeline objects, organized in a dictionary of TimelinePath/RectangleF pairs</returns>
public virtual TimelineLayout Draw(
ITimeline timeline,
ISelectionContext selection,
TimelinePath activeGroup,
TimelinePath activeTrack,
Matrix transform,
RectangleF clientRectangle,
Graphics g)
{
if (m_printing)
{
transform.Translate(m_marginBounds.Left, m_marginBounds.Top, MatrixOrder.Append);
g.SetClip(m_marginBounds);
}
Context c = new Context(this, transform, clientRectangle, g);
TimelineLayout layout = Layout(timeline, c);
c.ClearRecursionData();
// Clear the header column.
g.FillRectangle(SystemBrushes.Control, 0, 0, m_headerWidth, c.ClientRectangle.Height);
// Draw the main timeline and then any sub-timelines.
DrawSubTimeline(null, timeline, false, true, selection, activeGroup, activeTrack, layout, c);
foreach (TimelinePath path in TimelineControl.GetHierarchy(timeline))
DrawSubTimeline(path, selection, activeGroup, activeTrack, layout, c);
// Draw the dark vertical line on the header that separates the groups and tracks.
g.DrawLine(SystemPens.ControlDark, TrackIndent, m_timeScaleHeight, TrackIndent, c.ClientRectangle.Height);
// Draw the dark vertical line on the right-side of the header, separating it from the canvas.
g.DrawLine(SystemPens.ControlDark, m_headerWidth, m_timeScaleHeight, m_headerWidth, c.ClientRectangle.Height);
// draw scales, etc.
if (m_printing)
c.Graphics.TranslateTransform(0, m_marginBounds.Top);
DrawEventOverlay(c);
// Draw the dark horizontal line underneath the scale.
g.DrawLine(SystemPens.ControlDark, 0, m_timeScaleHeight, m_headerWidth, m_timeScaleHeight);
// Give the Markers in the main timeline precedence over the scale and canvas
RectangleF clipBounds = g.ClipBounds;
clipBounds.X = m_headerWidth;
DrawMarkers(null, timeline, selection, c, layout, clipBounds);
return layout;
}
