public void DrawFoldingMark(bool expand, double x, double y)
{
string str = expand ? "-" : "+";
TextLayout layout = new TextLayout(str, this.FontFamily, this.FontSize, this.Brushes[this.ForegroundColor], this.FoldingWidth);
layout.Draw(this.Context, x, y);
}
public void DrawOneLine(Document doc, LineToIndexTable lti, int row, double x, double y)
{
TextLayout layout = (TextLayout)lti.GetLayout(row);
if (lti.GetLengthFromLineNumber(row) == 0)
{
return;
}
if (this.Printing == false)
{
int lineIndex = lti.GetIndexFromLineNumber(row);
int lineLength = lti.GetLengthFromLineNumber(row);
var SelectRanges = from s in doc.Selections.Get(lineIndex, lineLength)
let n = Util.ConvertAbsIndexToRelIndex(s, lineIndex, lineLength)
select n;
foreach (Selection sel in SelectRanges)
{
if (sel.length == 0 || sel.start == -1)
{
continue;
}
foreach (TextBounds bound in layout.GetTextBounds(sel.start, sel.length))
{
Rect rect = new Rect(x, y, bound.Rectangle.Width, bound.Rectangle.Height);
this.Context.DrawRectangle(this.Brushes[this.Hilight], null, rect);
}
}
}
layout.Draw(this.Context, x, y);
}
public void DrawString(string str, double x, double y, StringAlignment align, Size layoutRect, StringColorType colorType = StringColorType.Forground)
{
TextAlignment TextAlign = TextAlignment.Left;
switch (align)
{
case StringAlignment.Left:
TextAlign = TextAlignment.Left;
break;
case StringAlignment.Center:
TextAlign = TextAlignment.Center;
break;
case StringAlignment.Right:
TextAlign = TextAlignment.Right;
break;
}
TextLayout layout = new TextLayout(str, this.FontFamily, this.FontSize, this.Brushes[this.ForegroundColor], layoutRect.Width, TextAlign);
layout.FlowDirection = this.RightToLeft ? FlowDirection.RightToLeft : FlowDirection.LeftToRight;
layout.Draw(this.Context, x, y);
layout.Dispose();
}
