public BarRenderingContext(RowRenderingContext owner, Point location, Size availableSize, BarInRowPosition inRowPosition)
: base(owner)
{
this.Location = location;
this.AvailableSize = availableSize;
this.InRowPosition = inRowPosition;
_beamSlopes = new Dictionary <Beam, BeamSlope>();
}
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;
}
