/// <inheritdoc/>
public override void Draw(object dc, ShapeRenderer renderer, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var record = this.Data.Record ?? r;
if (State.Flags.HasFlag(ShapeStateFlags.Visible))
{
renderer.Draw(dc, this, dx, dy, db, record);
}
if (renderer.State.SelectedShape != null)
{
if (this == renderer.State.SelectedShape)
{
_start.Draw(dc, renderer, dx, dy, db, record);
_end.Draw(dc, renderer, dx, dy, db, record);
}
else if (_start == renderer.State.SelectedShape)
{
_start.Draw(dc, renderer, dx, dy, db, record);
}
else if (_end == renderer.State.SelectedShape)
{
_end.Draw(dc, renderer, dx, dy, db, record);
}
}
if (renderer.State.SelectedShapes != null)
{
if (renderer.State.SelectedShapes.Contains(this))
{
_start.Draw(dc, renderer, dx, dy, db, record);
_end.Draw(dc, renderer, dx, dy, db, record);
}
}
}
/// <summary>
/// Draws a <see cref="XLayer"/> using drawing context.
/// </summary>
/// <param name="dc">The native drawing context.</param>
/// <param name="layer">The <see cref="XLayer"/> object.</param>
/// <param name="dx">The X coordinate offset.</param>
/// <param name="dy">The Y coordinate offset.</param>
/// <param name="db">The properties database.</param>
/// <param name="r">The data record.</param>
public virtual void Draw(object dc, XLayer layer, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
foreach (var shape in layer.Shapes)
{
if (shape.State.Flags.HasFlag(State.DrawShapeState.Flags))
{
shape.Draw(dc, this, dx, dy, db, r);
}
}
}
/// <summary>
/// Draws a <see cref="XContainer"/> using drawing context.
/// </summary>
/// <param name="dc">The native drawing context.</param>
/// <param name="container">The <see cref="XContainer"/> object.</param>
/// <param name="dx">The X coordinate offset.</param>
/// <param name="dy">The Y coordinate offset.</param>
/// <param name="db">The properties database.</param>
/// <param name="r">The data record.</param>
public virtual void Draw(object dc, XContainer container, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
foreach (var layer in container.Layers)
{
if (layer.IsVisible)
{
Draw(dc, layer, dx, dy, db, r);
}
}
}
/// <inheritdoc/>
public override void Draw(object dc, ShapeRenderer renderer, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var record = this.Data.Record ?? r;
if (State.Flags.HasFlag(ShapeStateFlags.Visible))
{
renderer.Draw(dc, this, dx, dy, db, record);
base.Draw(dc, renderer, dx, dy, db, record);
}
}
/// <inheritdoc/>
public override void Draw(object dc, ShapeRenderer renderer, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var record = this.Data.Record ?? r;
if (State.Flags.HasFlag(ShapeStateFlags.Visible))
{
renderer.Draw(dc, this, dx, dy, db, record);
}
if (renderer.State.SelectedShape != null)
{
if (this == renderer.State.SelectedShape)
{
var points = this.GetPoints();
foreach (var point in points)
{
point.Draw(dc, renderer, dx, dy, db, record);
}
}
else
{
var points = this.GetPoints();
foreach (var point in points)
{
if (point == renderer.State.SelectedShape)
{
point.Draw(dc, renderer, dx, dy, db, record);
}
}
}
}
if (renderer.State.SelectedShapes != null)
{
if (renderer.State.SelectedShapes.Contains(this))
{
var points = this.GetPoints();
foreach (var point in points)
{
point.Draw(dc, renderer, dx, dy, db, record);
}
}
}
}
/// <summary>
/// Creates a new <see cref="XDatabase"/> instance.
/// </summary>
/// <param name="name">The database name.</param>
/// <param name="fields">The fields collection.</param>
/// <param name="idColumnName">The Id column name.</param>
/// <returns>The new instance of the <see cref="XDatabase"/> class.</returns>
public static XDatabase FromFields(string name, IEnumerable <string[]> fields, string idColumnName = DefaultIdColumnName)
{
var db = XDatabase.Create(name, idColumnName);
var tempColumns = fields.FirstOrDefault().Select(c => XColumn.Create(db, c));
var columns = ImmutableArray.CreateRange <XColumn>(tempColumns);
if (columns.Length >= 1 && columns[0].Name == idColumnName)
{
// Use existing record Id.
var tempRecords = fields
.Skip(1)
.Select(v =>
XRecord.Create(
db,
v.FirstOrDefault(),
columns,
ImmutableArray.CreateRange <XValue>(v.Select(c => XValue.Create(c)))));
var records = ImmutableArray.CreateRange <XRecord>(tempRecords);
db.Columns = columns;
db.Records = records;
}
else
{
// Create records with new Id.
var tempRecords = fields
.Skip(1)
.Select(v =>
XRecord.Create(
db,
columns,
ImmutableArray.CreateRange <XValue>(v.Select(c => XValue.Create(c)))));
var records = ImmutableArray.CreateRange <XRecord>(tempRecords);
db.Columns = columns;
db.Records = records;
}
return(db);
}
/// <inheritdoc/>
public override void Draw(object dc, XImage image, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
if (image.Key == null)
return;
var _dc = dc as DrawingContext;
var style = image.Style;
if (style == null)
return;
double thickness = style.Thickness / _state.ZoomX;
double half = thickness / 2.0;
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fill;
Pen stroke;
if (styleCached != null)
{
fill = styleCached.Item1;
stroke = styleCached.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
_styleCache.Set(style, Tuple.Create(fill, stroke));
}
var rect = CreateRect(image.TopLeft, image.BottomRight, dx, dy);
DrawRectangleInternal(_dc, half, fill, stroke, image.IsStroked, image.IsFilled, ref rect);
var imageCached = _biCache.Get(image.Key);
if (imageCached != null)
{
try
{
_dc.DrawImage(imageCached, rect);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
}
}
else
{
if (_state.ImageCache == null || string.IsNullOrEmpty(image.Key))
return;
try
{
var bytes = _state.ImageCache.GetImage(image.Key);
if (bytes != null)
{
var ms = new System.IO.MemoryStream(bytes);
var bi = new BitmapImage();
bi.BeginInit();
bi.StreamSource = ms;
bi.EndInit();
bi.Freeze();
_biCache.Set(image.Key, bi);
_dc.DrawImage(bi, rect);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
}
}
}
/// <inheritdoc/>
public override void Draw(object dc, XQuadraticBezier quadraticBezier, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _dc = dc as DrawingContext;
var style = quadraticBezier.Style;
if (style == null)
return;
double thickness = style.Thickness / _state.ZoomX;
double half = thickness / 2.0;
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fill;
Pen stroke;
if (styleCached != null)
{
fill = styleCached.Item1;
stroke = styleCached.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
_styleCache.Set(style, Tuple.Create(fill, stroke));
}
PathGeometry pg = _quadraticBezierCache.Get(quadraticBezier);
if (pg != null)
{
var pf = pg.Figures[0];
pf.StartPoint = new Point(quadraticBezier.Point1.X + dx, quadraticBezier.Point1.Y + dy);
pf.IsFilled = quadraticBezier.IsFilled;
var qbs = pf.Segments[0] as QuadraticBezierSegment;
qbs.Point1 = new Point(quadraticBezier.Point2.X + dx, quadraticBezier.Point2.Y + dy);
qbs.Point2 = new Point(quadraticBezier.Point3.X + dx, quadraticBezier.Point3.Y + dy);
qbs.IsStroked = quadraticBezier.IsStroked;
}
else
{
var pf = new PathFigure()
{
StartPoint = new Point(quadraticBezier.Point1.X + dx, quadraticBezier.Point1.Y + dy),
IsFilled = quadraticBezier.IsFilled
};
var qbs = new QuadraticBezierSegment(
new Point(quadraticBezier.Point2.X + dx, quadraticBezier.Point2.Y + dy),
new Point(quadraticBezier.Point3.X + dx, quadraticBezier.Point3.Y + dy),
quadraticBezier.IsStroked);
//bs.Freeze();
pf.Segments.Add(qbs);
//pf.Freeze();
pg = new PathGeometry();
pg.Figures.Add(pf);
//pg.Freeze();
_quadraticBezierCache.Set(quadraticBezier, pg);
}
DrawPathGeometryInternal(_dc, half, fill, stroke, quadraticBezier.IsStroked, quadraticBezier.IsFilled, pg);
}
/// <inheritdoc/>
public override void Draw(object dc, XEllipse ellipse, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _dc = dc as DrawingContext;
var style = ellipse.Style;
if (style == null)
return;
double thickness = style.Thickness / _state.ZoomX;
double half = thickness / 2.0;
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fill;
Pen stroke;
if (styleCached != null)
{
fill = styleCached.Item1;
stroke = styleCached.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
_styleCache.Set(style, Tuple.Create(fill, stroke));
}
var rect = CreateRect(ellipse.TopLeft, ellipse.BottomRight, dx, dy);
double rx = rect.Width / 2.0;
double ry = rect.Height / 2.0;
var center = new Point(rect.X + rx, rect.Y + ry);
DrawEllipseInternal(_dc, half, fill, stroke, ellipse.IsStroked, ellipse.IsFilled, ref center, rx, ry);
}
/// <inheritdoc/>
public override void Draw(object dc, XLine line, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _dc = dc as DrawingContext;
var style = line.Style;
if (style == null)
return;
double zoom = _state.ZoomX;
double thicknessLine = style.Thickness / zoom;
double halfLine = thicknessLine / 2.0;
double thicknessStartArrow = style.StartArrowStyle.Thickness / zoom;
double halfStartArrow = thicknessStartArrow / 2.0;
double thicknessEndArrow = style.EndArrowStyle.Thickness / zoom;
double halfEndArrow = thicknessEndArrow / 2.0;
// Line style.
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fillLine;
Pen strokeLine;
if (styleCached != null)
{
fillLine = styleCached.Item1;
strokeLine = styleCached.Item2;
}
else
{
fillLine = CreateBrush(style.Fill);
strokeLine = CreatePen(style, thicknessLine);
_styleCache.Set(style, Tuple.Create(fillLine, strokeLine));
}
Point pt1, pt2;
DrawLineArrowsInternal(_dc, line, style, halfStartArrow, halfEndArrow, thicknessStartArrow, thicknessEndArrow, dx, dy, out pt1, out pt2);
if (line.Style.LineStyle.IsCurved)
{
DrawLineCurveInternal(_dc, halfLine, strokeLine, line, ref pt1, ref pt2, dx, dy);
}
else
{
DrawLineInternal(_dc, halfLine, strokeLine, line.IsStroked, ref pt1, ref pt2);
}
}
private void Add(XRecord record)
{
if (record == null)
return;
record.PropertyChanged += ObserveRecord;
if (record.Values != null)
{
Add(record.Values);
}
}
/// <inheritdoc/>
public override void Draw(object dc, XPath path, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
using (SKPaint brush = ToSKPaintBrush(path.Style.Fill))
using (SKPaint pen = ToSKPaintPen(path.Style, _scaleToPage, _sourceDpi, _targetDpi))
using (var spath = path.Geometry.ToSKPath(dx, dy, _scaleToPage))
{
DrawPathInternal(canvas, brush, pen, path.IsStroked, path.IsFilled, spath);
}
}
/// <inheritdoc/>
public override void Draw(object dc, XText text, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
var tbind = text.BindText(db, r);
if (string.IsNullOrEmpty(tbind))
return;
SKTypefaceStyle style = SKTypefaceStyle.Normal;
if (text.Style.TextStyle.FontStyle != null)
{
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Bold))
{
style |= SKTypefaceStyle.Bold;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Italic))
{
style |= SKTypefaceStyle.Italic;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Underline))
{
// TODO: Add support for FontStyleFlags.Underline
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Strikeout))
{
// TODO: Add support for FontStyleFlags.Strikeout
}
}
using (var pen = ToSKPaintBrush(text.Style.Stroke))
using (var tf = SKTypeface.FromFamilyName(text.Style.TextStyle.FontName, style))
{
pen.TextEncoding = SKTextEncoding.Utf16;
pen.TextSize = _scaleToPage(text.Style.TextStyle.FontSize * _targetDpi / _sourceDpi);
var fm = pen.FontMetrics;
float offset = -(fm.Top + fm.Bottom);
var rect = CreateRect(text.TopLeft, text.BottomRight, dx, dy, _scaleToPage);
SKRect bounds = new SKRect();
pen.MeasureText(tbind, ref bounds);
SKPoint origin = GetTextOrigin(text.Style, ref rect, ref bounds);
canvas.DrawText(tbind, origin.X, origin.Y + offset, pen);
}
}
/// <inheritdoc/>
public override void Draw(object dc, XQuadraticBezier quadraticBezier, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
// TODO: Implement Draw quadratic bezier.
}
/// <inheritdoc/>
public override void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
// TODO: Implement Draw arc.
}
/// <inheritdoc/>
public override void Draw(object dc, XQuadraticBezier quadraticBezier, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
using (SKPaint brush = ToSKPaintBrush(quadraticBezier.Style.Fill))
using (SKPaint pen = ToSKPaintPen(quadraticBezier.Style, _scaleToPage, _sourceDpi, _targetDpi))
using (var path = new SKPath())
{
path.MoveTo(
_scaleToPage(quadraticBezier.Point1.X + dx),
_scaleToPage(quadraticBezier.Point1.Y + dy));
path.QuadTo(
_scaleToPage(quadraticBezier.Point2.X + dx),
_scaleToPage(quadraticBezier.Point2.Y + dy),
_scaleToPage(quadraticBezier.Point3.X + dx),
_scaleToPage(quadraticBezier.Point3.Y + dy));
DrawPathInternal(canvas, brush, pen, quadraticBezier.IsStroked, quadraticBezier.IsFilled, path);
}
}
/// <inheritdoc/>
public override void Draw(object dc, XText text, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
// TODO: Implement Draw text.
}
/// <inheritdoc/>
public override void Draw(object dc, XImage image, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
var rect = CreateRect(image.TopLeft, image.BottomRight, dx, dy, _scaleToPage);
if (image.IsStroked || image.IsFilled)
{
using (SKPaint brush = ToSKPaintBrush(image.Style.Fill))
using (SKPaint pen = ToSKPaintPen(image.Style, _scaleToPage, _sourceDpi, _targetDpi))
{
DrawRectangleInternal(canvas, brush, pen, image.IsStroked, image.IsFilled, ref rect);
}
}
if (_enableImageCache
&& _biCache.ContainsKey(image.Key))
{
canvas.DrawBitmap(_biCache[image.Key], rect);
}
else
{
if (State.ImageCache == null || string.IsNullOrEmpty(image.Key))
return;
var bytes = State.ImageCache.GetImage(image.Key);
if (bytes != null)
{
var bi = SKBitmap.Decode(bytes);
if (_enableImageCache)
_biCache[image.Key] = bi;
canvas.DrawBitmap(bi, rect);
if (!_enableImageCache)
bi.Dispose();
}
}
}
/// <inheritdoc/>
public override void Draw(object dc, XImage image, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
// TODO: Implement Draw image.
}
public override void Draw(object dc, ShapeRenderer renderer, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
throw new NotImplementedException();
}
/// <inheritdoc/>
public override void Draw(object dc, XPath path, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
// TODO: Implement Draw path.
}
private void Remove(XRecord record)
{
if (record == null)
return;
record.PropertyChanged -= ObserveRecord;
if (record.Values != null)
{
Remove(record.Values);
}
}
/// <inheritdoc/>
public override void Draw(object dc, ShapeRenderer renderer, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var record = this.Data.Record ?? r;
if (State.Flags.HasFlag(ShapeStateFlags.Visible))
{
foreach (var shape in Shapes)
{
shape.Draw(dc, renderer, dx, dy, db, record);
}
}
if (renderer.State.SelectedShape != null)
{
if (this == renderer.State.SelectedShape)
{
foreach (var connector in Connectors)
{
connector.Draw(dc, renderer, dx, dy, db, record);
}
}
else
{
foreach (var connector in Connectors)
{
if (connector == renderer.State.SelectedShape)
{
connector.Draw(dc, renderer, dx, dy, db, record);
}
}
}
}
if (renderer.State.SelectedShapes != null)
{
if (renderer.State.SelectedShapes.Contains(this))
{
foreach (var connector in Connectors)
{
connector.Draw(dc, renderer, dx, dy, db, record);
}
}
}
}
/// <inheritdoc/>
public override void Draw(object dc, XRectangle rectangle, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _dc = dc as DrawingContext;
var style = rectangle.Style;
if (style == null)
return;
double thickness = style.Thickness / _state.ZoomX;
double half = thickness / 2.0;
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fill;
Pen stroke;
if (styleCached != null)
{
fill = styleCached.Item1;
stroke = styleCached.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
_styleCache.Set(style, Tuple.Create(fill, stroke));
}
var rect = CreateRect(rectangle.TopLeft, rectangle.BottomRight, dx, dy);
DrawRectangleInternal(_dc, half, fill, stroke, rectangle.IsStroked, rectangle.IsFilled, ref rect);
if (rectangle.IsGrid)
{
DrawGridInternal(_dc, half, stroke, ref rect, rectangle.OffsetX, rectangle.OffsetY, rectangle.CellWidth, rectangle.CellHeight, true);
}
}
/// <inheritdoc/>
public override void Draw(object dc, XLine line, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
using (SKPaint strokeLine = ToSKPaintPen(line.Style, _scaleToPage, _sourceDpi, _targetDpi))
{
SKPoint pt1, pt2;
DrawLineArrowsInternal(canvas, line, dx, dy, out pt1, out pt2);
if (line.Style.LineStyle.IsCurved)
{
DrawLineCurveInternal(
canvas,
strokeLine, line.IsStroked,
ref pt1, ref pt2,
line.Style.LineStyle.Curvature,
line.Style.LineStyle.CurveOrientation,
line.Start.Alignment,
line.End.Alignment);
}
else
{
DrawLineInternal(canvas, strokeLine, line.IsStroked, ref pt1, ref pt2);
}
}
}
/// <inheritdoc/>
public override void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _dc = dc as DrawingContext;
var style = arc.Style;
if (style == null)
return;
double thickness = style.Thickness / _state.ZoomX;
double half = thickness / 2.0;
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fill;
Pen stroke;
if (styleCached != null)
{
fill = styleCached.Item1;
stroke = styleCached.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
_styleCache.Set(style, Tuple.Create(fill, stroke));
}
var a = WpfArc.FromXArc(arc);
PathGeometry pg = _arcCache.Get(arc);
if (pg != null)
{
var pf = pg.Figures[0];
pf.StartPoint = new Point(a.Start.X + dx, a.Start.Y + dy);
pf.IsFilled = arc.IsFilled;
var segment = pf.Segments[0] as ArcSegment;
segment.Point = new Point(a.End.X + dx, a.End.Y + dy);
segment.Size = new Size(a.Radius.Width, a.Radius.Height);
segment.IsLargeArc = a.IsLargeArc;
segment.IsStroked = arc.IsStroked;
}
else
{
var pf = new PathFigure()
{
StartPoint = new Point(a.Start.X, a.Start.Y),
IsFilled = arc.IsFilled
};
var segment = new ArcSegment(
new Point(a.End.X, a.End.Y),
new Size(a.Radius.Width, a.Radius.Height),
0.0,
a.IsLargeArc, SweepDirection.Clockwise,
arc.IsStroked);
//segment.Freeze();
pf.Segments.Add(segment);
//pf.Freeze();
pg = new PathGeometry();
pg.Figures.Add(pf);
//pg.Freeze();
_arcCache.Set(arc, pg);
}
DrawPathGeometryInternal(_dc, half, fill, stroke, arc.IsStroked, arc.IsFilled, pg);
}
/// <inheritdoc/>
public override void Draw(object dc, XRectangle rectangle, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
using (SKPaint brush = ToSKPaintBrush(rectangle.Style.Fill))
using (SKPaint pen = ToSKPaintPen(rectangle.Style, _scaleToPage, _sourceDpi, _targetDpi))
{
var rect = CreateRect(rectangle.TopLeft, rectangle.BottomRight, dx, dy, _scaleToPage);
DrawRectangleInternal(canvas, brush, pen, rectangle.IsStroked, rectangle.IsFilled, ref rect);
if (rectangle.IsGrid)
{
DrawGridInternal(
canvas,
pen,
ref rect,
rectangle.OffsetX,
rectangle.OffsetY,
rectangle.CellWidth,
rectangle.CellHeight,
isStroked: true);
}
}
}
/// <inheritdoc/>
public override void Draw(object dc, XText text, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _dc = dc as DrawingContext;
var style = text.Style;
if (style == null)
return;
var tbind = text.BindText(db, r);
if (string.IsNullOrEmpty(tbind))
return;
double thickness = style.Thickness / _state.ZoomX;
double half = thickness / 2.0;
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fill;
Pen stroke;
if (styleCached != null)
{
fill = styleCached.Item1;
stroke = styleCached.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
_styleCache.Set(style, Tuple.Create(fill, stroke));
}
var rect = CreateRect(text.TopLeft, text.BottomRight, dx, dy);
Tuple<string, FormattedText, ShapeStyle> tcache = _textCache.Get(text);
FormattedText ft;
string ct;
if (tcache != null && string.Compare(tcache.Item1, tbind) == 0 && tcache.Item3 == style)
{
ct = tcache.Item1;
ft = tcache.Item2;
_dc.DrawText(ft, GetTextOrigin(style, ref rect, ft));
}
else
{
var ci = CultureInfo.InvariantCulture;
var fontStyle = System.Windows.FontStyles.Normal;
var fontWeight = FontWeights.Regular;
if (style.TextStyle.FontStyle != null)
{
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Italic))
{
fontStyle = System.Windows.FontStyles.Italic;
}
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Bold))
{
fontWeight = FontWeights.Bold;
}
}
var tf = new Typeface(new FontFamily(style.TextStyle.FontName), fontStyle, fontWeight, FontStretches.Normal);
ft = new FormattedText(
tbind,
ci,
ci.TextInfo.IsRightToLeft ? FlowDirection.RightToLeft : FlowDirection.LeftToRight,
tf,
style.TextStyle.FontSize > 0.0 ? style.TextStyle.FontSize : double.Epsilon,
stroke.Brush, null, TextFormattingMode.Ideal);
if (style.TextStyle.FontStyle != null)
{
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Underline)
|| style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Strikeout))
{
var decorations = new TextDecorationCollection();
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Underline))
{
decorations = new TextDecorationCollection(
decorations.Union(TextDecorations.Underline));
}
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Strikeout))
{
decorations = new TextDecorationCollection(
decorations.Union(TextDecorations.Strikethrough));
}
ft.SetTextDecorations(decorations);
}
}
_textCache.Set(text, Tuple.Create(tbind, ft, style));
_dc.DrawText(ft, GetTextOrigin(style, ref rect, ft));
}
}
/// <inheritdoc/>
public override void Draw(object dc, XEllipse ellipse, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
using (SKPaint brush = ToSKPaintBrush(ellipse.Style.Fill))
using (SKPaint pen = ToSKPaintPen(ellipse.Style, _scaleToPage, _sourceDpi, _targetDpi))
{
var rect = CreateRect(ellipse.TopLeft, ellipse.BottomRight, dx, dy, _scaleToPage);
DrawEllipseInternal(canvas, brush, pen, ellipse.IsStroked, ellipse.IsFilled, ref rect);
}
}
/// <inheritdoc/>
public override void Draw(object dc, XPath path, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
if (path.Geometry == null)
return;
var _dc = dc as DrawingContext;
var style = path.Style;
if (style == null)
return;
double thickness = style.Thickness / _state.ZoomX;
double half = thickness / 2.0;
Tuple<Brush, Pen> styleCached = _styleCache.Get(style);
Brush fill;
Pen stroke;
if (styleCached != null)
{
fill = styleCached.Item1;
stroke = styleCached.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
_styleCache.Set(style, Tuple.Create(fill, stroke));
}
Tuple<XPathGeometry, StreamGeometry, ShapeStyle> pcache = _pathCache.Get(path);
StreamGeometry sg;
if (pcache != null
&& pcache.Item1 == path.Geometry
&& pcache.Item3 == style)
{
sg = pcache.Item2;
_dc.DrawGeometry(path.IsFilled ? fill : null, path.IsStroked ? stroke : null, sg);
}
else
{
sg = path.Geometry.ToStreamGeometry(dx, dy);
// TODO: Enable XPath caching, cache is disabled to enable PathHelper to work.
//_pathCache.Set(path, Tuple.Create(path.Geometry, sg, style));
_dc.DrawGeometry(path.IsFilled ? fill : null, path.IsStroked ? stroke : null, sg);
}
}
/// <inheritdoc/>
public override void Draw(object dc, XArc arc, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
using (SKPaint brush = ToSKPaintBrush(arc.Style.Fill))
using (SKPaint pen = ToSKPaintPen(arc.Style, _scaleToPage, _sourceDpi, _targetDpi))
using (var path = new SKPath())
{
var a = GdiArc.FromXArc(arc);
var rect = new SKRect(
_scaleToPage(a.X + dx),
_scaleToPage(a.Y + dy),
_scaleToPage(a.X + dx + a.Width),
_scaleToPage(a.Y + dy + a.Height));
path.AddArc(rect, (float)a.StartAngle, (float)a.SweepAngle);
DrawPathInternal(canvas, brush, pen, arc.IsStroked, arc.IsFilled, path);
}
}
