private async Task <double> RenderTimeSignature(BarRenderingContext renderingContext, double position)
{
var previousDocumentState = this.RenderingContext.PreviousDocumentState;
if (previousDocumentState == null || previousDocumentState.Time != this.Element.DocumentState.Time)
{
return(await renderingContext.DrawTimeSignature(this.Element.DocumentState.Time, position));
}
return(0.0);
}
protected override void OnAssignRenderingContext(BarRenderingContext renderingContext)
{
base.OnAssignRenderingContext(renderingContext);
_beatElementRenderers.AssignRenderingContexts(renderingContext);
}
public static double GetPositionInRow(this BarColumn column, BarRenderingContext rc)
{
return(rc.Owner.GetRelativeX(rc.ColumnRenderingInfos[column.ColumnIndex].Position + rc.Location.X));
}
public async Task Render(Point location, Size size, BarInRowPosition inRowPosition)
{
_barRenderingContext = new BarRenderingContext(this.RenderingContext, location, size, inRowPosition);
_columnRenderers.AssignRenderingContexts(_barRenderingContext);
_voiceRenderers.AssignRenderingContexts(_barRenderingContext);
var width = size.Width;
var position = 0.0;
if (inRowPosition == BarInRowPosition.First)
{
_barRenderingContext.DrawOpenBarLine(OpenBarLine.Standard, position); //todo: implement this in DrawTabHeader
position += await _barRenderingContext.DrawTabHeader();
}
if (this.Element.OpenLine != null)
{
_barRenderingContext.DrawOpenBarLine(this.Element.OpenLine.Value, position);
}
_barRenderingContext.Owner.HeaderWidth = position;
position += _barRenderingContext.Style.BarHorizontalPadding;
position += await this.RenderTimeSignature(_barRenderingContext, position);
var minDuration = this.Element.Columns.Min(c => c.GetDuration());
var minSize = await this.MeasureMinSize(this.RenderingContext.PrimitiveRenderer);
var widthRatio = (width - position) / minSize;
_barRenderingContext.ColumnRenderingInfos = new BarColumnRenderingInfo[this.Element.Columns.Count];
for (var i = 0; i < this.Element.Columns.Count; i++)
{
var column = this.Element.Columns[i];
var columnWidth = await this.GetColumnMinWidthInBar(this.RenderingContext.PrimitiveRenderer, column, minDuration) * widthRatio;
_barRenderingContext.ColumnRenderingInfos[i] = new BarColumnRenderingInfo(column, position, columnWidth);
var barColumnRenderer = _columnRenderers[i];
await barColumnRenderer.PreRender();
position += columnWidth;
}
foreach (var renderer in _voiceRenderers)
{
await renderer.Render();
}
foreach (var barColumnRenderer in _columnRenderers)
{
await barColumnRenderer.Render();
}
if (this.Element.CloseLine != null)
{
_barRenderingContext.DrawCloseBarLine(this.Element.CloseLine.Value, width);
}
else if (this.Element.NextBar == null)
{
_barRenderingContext.DrawCloseBarLine(CloseBarLine.End, width);
}
else if (inRowPosition == BarInRowPosition.Last)
{
_barRenderingContext.DrawCloseBarLine(CloseBarLine.Standard, width);
}
if (this.Element.AlternativeEndingPosition == AlternativeEndingPosition.Start)
{
_barRenderingContext.IsSectionRenderingPostponed = true;
}
else
{
await this.RenderSection();
}
await this.RenderTranspositionSignature();
await this.RenderTempoSignature();
this.RenderingContext.PreviousDocumentState = this.Element.DocumentState;
}
public static double GetPosition(this BarColumn column, BarRenderingContext rc)
{
return(rc.ColumnRenderingInfos[column.ColumnIndex].Position);
}
