/// <summary>
/// Sets the <see cref="TextDecorations"/>.
/// </summary>
public void SetTextDecorations(TextDecorationCollection value)
{
ExtensionMethods.CheckIsFrozen(value);
if (textDecorations == null)
{
textDecorations = value;
}
else
{
textDecorations = new TextDecorationCollection(textDecorations.Union(value));
}
}
/// <inheritdoc/>
public override void Draw(object dc, TextShape text, double dx, double dy, object db, object r)
{
var _dc = dc as DrawingContext;
var style = text.Style;
if (style == null)
{
return;
}
var properties = (ImmutableArray <Property>)db;
var record = (Record)r;
var tbind = text.BindText(properties, record);
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));
}
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="text"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object dc, XText text, double dx, double dy, ImmutableArray <ShapeProperty> db, Record r)
{
var _dc = dc as DrawingContext;
var style = text.Style;
if (style == null)
{
return;
}
var tbind = text.BindToTextProperty(db, r);
if (string.IsNullOrEmpty(tbind))
{
return;
}
double thickness = style.Thickness / _state.Zoom;
double half = thickness / 2.0;
Tuple <Brush, Pen> cache = null;
Brush fill;
Pen stroke;
if (_enableStyleCache &&
_styleCache.TryGetValue(style, out cache))
{
fill = cache.Item1;
stroke = cache.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
if (_enableStyleCache)
{
_styleCache.Add(style, Tuple.Create(fill, stroke));
}
}
var rect = CreateRect(
text.TopLeft,
text.BottomRight,
dx, dy);
Tuple <string, FormattedText, ShapeStyle> tcache = null;
FormattedText ft;
string ct;
if (_enableTextCache &&
_textCache.TryGetValue(text, out tcache) &&
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;
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.FontStyleFlags.Italic))
{
fontStyle = System.Windows.FontStyles.Italic;
}
var fontWeight = FontWeights.Regular;
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.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.Flags.HasFlag(Core2D.FontStyleFlags.Underline) ||
style.TextStyle.FontStyle.Flags.HasFlag(Core2D.FontStyleFlags.Strikeout))
{
var decorations = new TextDecorationCollection();
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.FontStyleFlags.Underline))
{
decorations = new TextDecorationCollection(
decorations.Union(TextDecorations.Underline));
}
if (style.TextStyle.FontStyle.Flags.HasFlag(Core2D.FontStyleFlags.Strikeout))
{
decorations = new TextDecorationCollection(
decorations.Union(TextDecorations.Strikethrough));
}
ft.SetTextDecorations(decorations);
}
if (_enableTextCache)
{
var tuple = Tuple.Create(tbind, ft, style);
if (_textCache.ContainsKey(text))
{
_textCache[text] = tuple;
}
else
{
_textCache.Add(text, tuple);
}
}
_dc.DrawText(
ft,
GetTextOrigin(style, ref rect, ft));
}
}
