|
public BindText ( ImmutableArray |
||
| db | ImmutableArray |
The properties database used for binding. |
| r | The external data record used for binding. | |
| Результат | string | |
/// <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, XText text, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _gfx = dc as AM.DrawingContext;
var tbind = text.BindText(db, r);
if (string.IsNullOrEmpty(tbind))
return;
AM.IBrush brush = ToBrush(text.Style.Stroke);
var fontStyle = AM.FontStyle.Normal;
var fontWeight = AM.FontWeight.Normal;
//var fontDecoration = PM.FontDecoration.None;
if (text.Style.TextStyle.FontStyle != null)
{
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Italic))
{
fontStyle |= AM.FontStyle.Italic;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Bold))
{
fontWeight |= AM.FontWeight.Bold;
}
// TODO: Implement font decoration after Avalonia adds support.
/*
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Underline))
{
fontDecoration |= PM.FontDecoration.Underline;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Strikeout))
{
fontDecoration |= PM.FontDecoration.Strikethrough;
}
*/
}
if (text.Style.TextStyle.FontSize >= 0.0)
{
var ft = new AM.FormattedText(
tbind,
text.Style.TextStyle.FontName,
text.Style.TextStyle.FontSize * _textScaleFactor,
fontStyle,
AM.TextAlignment.Left,
fontWeight);
var rect = CreateRect(text.TopLeft, text.BottomRight, dx, dy);
var size = ft.Measure();
var origin = GetTextOrigin(text.Style, ref rect, ref size);
_gfx.DrawText(brush, origin, ft);
ft.Dispose();
}
}
/// <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, XText text, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _gfx = dc as Graphics;
var tbind = text.BindText(db, r);
if (string.IsNullOrEmpty(tbind))
return;
Brush brush = ToSolidBrush(text.Style.Stroke);
var fontStyle = System.Drawing.FontStyle.Regular;
if (text.Style.TextStyle.FontStyle != null)
{
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Bold))
{
fontStyle |= System.Drawing.FontStyle.Bold;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Italic))
{
fontStyle |= System.Drawing.FontStyle.Italic;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Underline))
{
fontStyle |= System.Drawing.FontStyle.Underline;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(Core2D.Style.FontStyleFlags.Strikeout))
{
fontStyle |= System.Drawing.FontStyle.Strikeout;
}
}
Font font = new Font(
text.Style.TextStyle.FontName,
(float)(text.Style.TextStyle.FontSize * _textScaleFactor),
fontStyle);
var rect = CreateRect(
text.TopLeft,
text.BottomRight,
dx, dy);
var srect = new RectangleF(
_scaleToPage(rect.X),
_scaleToPage(rect.Y),
_scaleToPage(rect.Width),
_scaleToPage(rect.Height));
var format = new StringFormat();
switch (text.Style.TextStyle.TextHAlignment)
{
case TextHAlignment.Left:
format.Alignment = StringAlignment.Near;
break;
case TextHAlignment.Center:
format.Alignment = StringAlignment.Center;
break;
case TextHAlignment.Right:
format.Alignment = StringAlignment.Far;
break;
}
switch (text.Style.TextStyle.TextVAlignment)
{
case TextVAlignment.Top:
format.LineAlignment = StringAlignment.Near;
break;
case TextVAlignment.Center:
format.LineAlignment = StringAlignment.Center;
break;
case TextVAlignment.Bottom:
format.LineAlignment = StringAlignment.Far;
break;
}
format.FormatFlags = StringFormatFlags.NoWrap | StringFormatFlags.NoClip;
format.Trimming = StringTrimming.None;
_gfx.DrawString(
tbind,
font,
ToSolidBrush(text.Style.Stroke),
srect,
format);
brush.Dispose();
font.Dispose();
}
