public static IEnumerable <ViewLine> GetVisibleMessagesIterator(DrawContext drawContext, IPresentationDataAccess presentationDataAccess, Rectangle viewRect)
{
var vl = DrawingUtils.GetVisibleMessages(drawContext, presentationDataAccess, viewRect);
return(presentationDataAccess.GetViewLines(vl.begin, vl.end));
}
void DrawMessageBackground(IMessage msg, float textXPos)
{
DrawContext dc = ctx;
Rectangle r = m.MessageRect;
r.Offset(ctx.CollapseBoxesAreaSize, 0);
Brush b = null;
Brush tmpBrush = null;
var hlcl = msg.FilteringResult.GetBackgroundColor();
if (hlcl != null)
{
b = tmpBrush = new Brush(hlcl.Value.ToColor());
}
else if (msg.Thread != null)
{
var coloring = dc.Coloring;
if (coloring == Settings.Appearance.ColoringMode.None)
{
b = dc.DefaultBackgroundBrush;
}
else if (msg.Thread.IsDisposed)
{
b = dc.DefaultBackgroundBrush;
}
else if (coloring == Settings.Appearance.ColoringMode.Threads)
{
b = tmpBrush = new Brush(msg.Thread.ThreadColor.ToColor());
}
else if (coloring == Settings.Appearance.ColoringMode.Sources)
{
b = (msg.LogSource == null || msg.LogSource.IsDisposed) ? dc.DefaultBackgroundBrush : (tmpBrush = new Brush(msg.LogSource.Color.ToColor()));
}
}
if (b == null)
{
b = dc.DefaultBackgroundBrush;
}
dc.Canvas.FillRectangle(b, r);
var normalizedSelection = dc.NormalizedSelection;
if (!normalizedSelection.IsEmpty &&
DisplayIndex >= normalizedSelection.First.DisplayIndex &&
DisplayIndex <= normalizedSelection.Last.DisplayIndex)
{
int selectionStartIdx;
int selectionEndIdx;
var line = dc.GetTextToDisplay(msg).GetNthTextLine(TextLineIdx);
if (DisplayIndex == normalizedSelection.First.DisplayIndex)
{
selectionStartIdx = normalizedSelection.First.LineCharIndex;
}
else
{
selectionStartIdx = 0;
}
if (DisplayIndex == normalizedSelection.Last.DisplayIndex)
{
selectionEndIdx = normalizedSelection.Last.LineCharIndex;
}
else
{
selectionEndIdx = line.Length;
}
if (selectionStartIdx < selectionEndIdx && selectionStartIdx >= 0 && selectionEndIdx <= line.Value.Length)
{
RectangleF tmp = DrawingUtils.GetTextSubstringBounds(
ctx.Canvas, m.MessageRect, line.Value,
selectionStartIdx, selectionEndIdx, dc.Font,
m.OffsetTextRect.X + textXPos, ctx.TextFormat);
dc.Canvas.FillRectangle(dc.SelectedBkBrush, tmp);
}
}
if (ctx.ShowTime)
{
float x = ctx.CollapseBoxesAreaSize + ctx.TimeAreaSize - ctx.ScrollPos.X - 2;
if (x > ctx.CollapseBoxesAreaSize)
{
ctx.Canvas.DrawLine(ctx.TimeSeparatorLine, x, m.MessageRect.Y, x, m.MessageRect.Bottom);
}
}
if (tmpBrush != null)
{
tmpBrush.Dispose();
}
}