/// <summary>
/// Initialize new instance of <see cref="TextSelection"/> class.
/// </summary>
/// <param name="layer">The selection shapes layer.</param>
/// <param name="shape">The selected shape.</param>
/// <param name="style">The selection shapes style.</param>
/// <param name="point">The selection point shape.</param>
public TextSelection(XLayer layer, XText shape, ShapeStyle style, BaseShape point)
{
_layer = layer;
_text = shape;
_style = style;
_point = point;
}
/// <inheritdoc/>
public override void LeftDown(double x, double y)
{
base.LeftDown(x, y);
var editor = _serviceProvider.GetService<ProjectEditor>();
double sx = editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(x, editor.Project.Options.SnapX) : x;
double sy = editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(y, editor.Project.Options.SnapY) : y;
switch (_currentState)
{
case ToolState.None:
{
var style = editor.Project.CurrentStyleLibrary.Selected;
_text = XText.Create(
sx, sy,
editor.Project.Options.CloneStyle ? style.Clone() : style,
editor.Project.Options.PointShape,
"Text",
editor.Project.Options.DefaultIsStroked);
var result = editor.TryToGetConnectionPoint(sx, sy);
if (result != null)
{
_text.TopLeft = result;
}
editor.Project.CurrentContainer.WorkingLayer.Shapes = editor.Project.CurrentContainer.WorkingLayer.Shapes.Add(_text);
editor.Project.CurrentContainer.WorkingLayer.Invalidate();
ToStateOne();
Move(_text);
_currentState = ToolState.One;
editor.CancelAvailable = true;
}
break;
case ToolState.One:
{
if (_text != null)
{
_text.BottomRight.X = sx;
_text.BottomRight.Y = sy;
var result = editor.TryToGetConnectionPoint(sx, sy);
if (result != null)
{
_text.BottomRight = result;
}
editor.Project.CurrentContainer.WorkingLayer.Shapes = editor.Project.CurrentContainer.WorkingLayer.Shapes.Remove(_text);
Remove();
Finalize(_text);
editor.Project.AddShape(editor.Project.CurrentContainer.CurrentLayer, _text);
_currentState = ToolState.None;
editor.CancelAvailable = false;
}
}
break;
}
}
/// <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));
}
}
public void GetPoints_Returns_Shapes_And_Connector_Points()
{
var target = new XGroup();
var text = new XText();
text.Data.Properties = text.Data.Properties.Add(new XProperty());
target.Shapes = target.Shapes.Add(text);
var point = new XPoint();
point.Data.Properties = point.Data.Properties.Add(new XProperty());
target.Connectors = target.Connectors.Add(point);
Assert.Equal(3, target.GetPoints().Count());
}
/// <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)
{
// TODO: Implement Draw text.
}
/// <summary>
///
/// </summary>
/// <param name="text"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestText(XText text, Vector2 v, double threshold, double dx, double dy)
{
if (ShapeBounds.GetPointBounds(text.TopLeft, threshold, dx, dy).Contains(v))
{
return text.TopLeft;
}
if (ShapeBounds.GetPointBounds(text.BottomRight, threshold, dx, dy).Contains(v))
{
return text.BottomRight;
}
if (ShapeBounds.GetTextBounds(text, dx, dy).Contains(v))
{
return text;
}
return null;
}
/// <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();
}
}
/// <summary> /// Draws a <see cref="XText"/> shape using drawing context. /// </summary> /// <param name="dc">The native drawing context.</param> /// <param name="text">The <see cref="XText"/> shape.</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 abstract void Draw(object dc, XText text, double dx, double dy, ImmutableArray<XProperty> db, XRecord r);
/// <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();
}
public void Inherits_From_BaseShape()
{
var target = new XText();
Assert.True(target is BaseShape);
}
/// <summary>
/// Get the bounding rectangle for <see cref="XText"/> shape.
/// </summary>
/// <param name="text"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static Rect2 GetTextBounds(XText text, double dx, double dy)
{
return Rect2.Create(text.TopLeft, text.BottomRight, dx, dy);
}
/// <summary>
///
/// </summary>
/// <param name="text"></param>
/// <param name="rect"></param>
/// <param name="selected"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool HitTestText(XText text, Rect2 rect, ISet<BaseShape> selected, double dx, double dy)
{
if (ShapeBounds.GetTextBounds(text, dx, dy).IntersectsWith(rect))
{
if (selected != null)
{
selected.Add(text);
return false;
}
else
{
return true;
}
}
return false;
}
