public D2D.GeometryRealization CreateSymbol(ShowSymbol sym, DW.TextFormat format)
{
D2D.GeometryRealization cached_geo = null;
bool result = symbol_cache.TryGetValue(sym, out cached_geo);
if (!result)
{
const int margin = 2;
D2D.Geometry geo = null;
DW.TextLayout layout = null;
D2D.PathGeometry path = null;
DW.TextMetrics metrics;
D2D.StrokeStyle stroke = null;
switch (sym)
{
case ShowSymbol.FullSpace:
layout = new DW.TextLayout(this._DWFactory, " ", format, float.MaxValue, float.MaxValue);
metrics = layout.Metrics;
Rectangle rect = new Rectangle(margin, margin, Math.Max(1, metrics.WidthIncludingTrailingWhitespace - margin * 2), Math.Max(1, metrics.Height - margin * 2));
geo = new D2D.RectangleGeometry(this.Factory, rect);
stroke = this.GetStroke(HilightType.Dash);
break;
case ShowSymbol.HalfSpace:
layout = new DW.TextLayout(this._DWFactory, " ", format, float.MaxValue, float.MaxValue);
metrics = layout.Metrics;
rect = new Rectangle(margin, margin, Math.Max(1, metrics.WidthIncludingTrailingWhitespace - margin * 2), Math.Max(1, metrics.Height - margin * 2));
geo = new D2D.RectangleGeometry(this.Factory, rect);
stroke = this.GetStroke(HilightType.Sold);
break;
case ShowSymbol.Tab:
layout = new DW.TextLayout(this._DWFactory, "0", format, float.MaxValue, float.MaxValue);
metrics = layout.Metrics;
path = new D2D.PathGeometry(this.Factory);
var sink = path.Open();
sink.BeginFigure(new SharpDX.Mathematics.Interop.RawVector2(1, 1), D2D.FigureBegin.Filled); //少し隙間を開けないと描写されない
sink.AddLine(new SharpDX.Mathematics.Interop.RawVector2((float)1, (float)metrics.Height));
sink.EndFigure(D2D.FigureEnd.Closed);
sink.Close();
geo = path;
stroke = this.GetStroke(HilightType.Sold);
break;
}
cached_geo = new D2D.GeometryRealization(this.Device, geo, 1.0f, 1.0f, stroke);
this.symbol_cache.Add(sym, cached_geo);
}
return(cached_geo);
}
public void DrawOneLine(Document doc, LineToIndexTable lti, int row, double x, double y, PreDrawOneLineHandler PreDrawOneLine)
{
int lineLength = lti.GetLengthFromLineNumber(row);
if (lineLength == 0 || this.render == null || this.render.IsDisposed)
{
return;
}
MyTextLayout layout = (MyTextLayout)lti.GetLayout(row);
if (PreDrawOneLine != null)
{
PreDrawOneLine(layout, lti, row, x, y);
}
if (layout.Markers != null)
{
foreach (Marker sel in layout.Markers)
{
if (sel.length == 0 || sel.start == -1)
{
continue;
}
Color4 color = new Color4()
{
Alpha = sel.color.A, Red = sel.color.R, Blue = sel.color.B, Green = sel.color.G
};
if (sel.hilight == HilightType.Url)
{
color = this.Url;
}
this.DrawMarkerEffect(layout, sel.hilight, sel.start, sel.length, x, y, sel.isBoldLine, color);
}
}
if (layout.Selects != null)
{
foreach (Selection sel in layout.Selects)
{
if (sel.length == 0 || sel.start == -1)
{
continue;
}
this.DrawMarkerEffect(layout, HilightType.Select, sel.start, sel.length, x, y, false);
}
}
if (this.ShowFullSpace || this.ShowHalfSpace || this.ShowTab)
{
string str = lti[row];
D2D.GeometryRealization geo = null;
for (int i = 0; i < lineLength; i++)
{
Point pos = new Point(0, 0);
if (this.ShowTab && str[i] == '\t')
{
pos = layout.GetPostionFromIndex(i);
geo = this._factory.CreateSymbol(ShowSymbol.Tab, this.format);
}
else if (this.ShowFullSpace && str[i] == ' ')
{
pos = layout.GetPostionFromIndex(i);
geo = this._factory.CreateSymbol(ShowSymbol.FullSpace, this.format);
}
else if (this.ShowHalfSpace && str[i] == ' ')
{
pos = layout.GetPostionFromIndex(i);
geo = this._factory.CreateSymbol(ShowSymbol.HalfSpace, this.format);
}
if (geo != null)
{
var old_trans = this.render.Transform;
this.render.Transform = SharpDX.Matrix3x2.Translation(new Vector2((float)(pos.X + x), (float)(pos.Y + y)));
this.render.DrawGeometryRealization(geo, this._factory.GetSolidColorBrush(this.ControlChar));
this.render.Transform = old_trans;
geo = null;
}
}
}
layout.Draw(this.render, (float)x, (float)y, this._factory.GetSolidColorBrush(this.Foreground));
}
