add SimpleText
This commit is contained in:
NaBian committed
1 parent
a448702108
commit
2d40b03334
4 files changed
+273
-15
No files matched your search
@@ -0,0 +1,248 @@
|
||||
using System;
|
||||
using System.ComponentModel;
|
||||
using System.Globalization;
|
||||
using System.Windows;
|
||||
using System.Windows.Documents;
|
||||
using System.Windows.Media;
|
||||
using HandyControl.Data;
|
||||
|
||||
namespace HandyControl.Controls
|
||||
{
|
||||
public class SimpleText : FrameworkElement
|
||||
{
|
||||
private Pen _pen;
|
||||
|
||||
private FormattedText _formattedText;
|
||||
|
||||
static SimpleText()
|
||||
{
|
||||
SnapsToDevicePixelsProperty.OverrideMetadata(typeof(SimpleText), new FrameworkPropertyMetadata(ValueBoxes.TrueBox));
|
||||
UseLayoutRoundingProperty.OverrideMetadata(typeof(SimpleText), new FrameworkPropertyMetadata(ValueBoxes.TrueBox));
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty StrokePositionProperty = DependencyProperty.Register(
|
||||
"StrokePosition", typeof(StrokePosition), typeof(SimpleText), new PropertyMetadata(default(StrokePosition)));
|
||||
|
||||
public StrokePosition StrokePosition
|
||||
{
|
||||
get => (StrokePosition)GetValue(StrokePositionProperty);
|
||||
set => SetValue(StrokePositionProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty TextProperty = DependencyProperty.Register(
|
||||
"Text", typeof(string), typeof(SimpleText), new FrameworkPropertyMetadata(
|
||||
string.Empty,
|
||||
FrameworkPropertyMetadataOptions.AffectsMeasure |
|
||||
FrameworkPropertyMetadataOptions.AffectsRender, OnFormattedTextInvalidated));
|
||||
|
||||
public string Text
|
||||
{
|
||||
get => (string)GetValue(TextProperty);
|
||||
set => SetValue(TextProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty TextAlignmentProperty = DependencyProperty.Register(
|
||||
"TextAlignment", typeof(TextAlignment), typeof(SimpleText),
|
||||
new PropertyMetadata(default(TextAlignment), OnFormattedTextUpdated));
|
||||
|
||||
public TextAlignment TextAlignment
|
||||
{
|
||||
get => (TextAlignment)GetValue(TextAlignmentProperty);
|
||||
set => SetValue(TextAlignmentProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty TextTrimmingProperty = DependencyProperty.Register(
|
||||
"TextTrimming", typeof(TextTrimming), typeof(SimpleText),
|
||||
new PropertyMetadata(default(TextTrimming), OnFormattedTextInvalidated));
|
||||
|
||||
public TextTrimming TextTrimming
|
||||
{
|
||||
get => (TextTrimming)GetValue(TextTrimmingProperty);
|
||||
set => SetValue(TextTrimmingProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty TextWrappingProperty = DependencyProperty.Register(
|
||||
"TextWrapping", typeof(TextWrapping), typeof(SimpleText),
|
||||
new PropertyMetadata(TextWrapping.NoWrap, OnFormattedTextInvalidated));
|
||||
|
||||
public TextWrapping TextWrapping
|
||||
{
|
||||
get => (TextWrapping)GetValue(TextWrappingProperty);
|
||||
set => SetValue(TextWrappingProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty FillProperty = DependencyProperty.Register(
|
||||
"Fill", typeof(Brush), typeof(SimpleText), new PropertyMetadata(Brushes.Black, OnFormattedTextUpdated));
|
||||
|
||||
public Brush Fill
|
||||
{
|
||||
get => (Brush)GetValue(FillProperty);
|
||||
set => SetValue(FillProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty StrokeProperty = DependencyProperty.Register(
|
||||
"Stroke", typeof(Brush), typeof(SimpleText), new PropertyMetadata(Brushes.Black, OnFormattedTextUpdated));
|
||||
|
||||
public Brush Stroke
|
||||
{
|
||||
get => (Brush)GetValue(StrokeProperty);
|
||||
set => SetValue(StrokeProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty StrokeThicknessProperty = DependencyProperty.Register(
|
||||
"StrokeThickness", typeof(double), typeof(SimpleText), new PropertyMetadata(ValueBoxes.Double0Box, OnFormattedTextUpdated));
|
||||
|
||||
public double StrokeThickness
|
||||
{
|
||||
get => (double)GetValue(StrokeThicknessProperty);
|
||||
set => SetValue(StrokeThicknessProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty FontFamilyProperty = TextElement.FontFamilyProperty.AddOwner(
|
||||
typeof(SimpleText),
|
||||
new FrameworkPropertyMetadata(OnFormattedTextUpdated));
|
||||
|
||||
public FontFamily FontFamily
|
||||
{
|
||||
get => (FontFamily)GetValue(FontFamilyProperty);
|
||||
set => SetValue(FontFamilyProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty FontSizeProperty = TextElement.FontSizeProperty.AddOwner(
|
||||
typeof(SimpleText),
|
||||
new FrameworkPropertyMetadata(OnFormattedTextUpdated));
|
||||
|
||||
[TypeConverter(typeof(FontSizeConverter))]
|
||||
public double FontSize
|
||||
{
|
||||
get => (double)GetValue(FontSizeProperty);
|
||||
set => SetValue(FontSizeProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty FontStretchProperty = TextElement.FontStretchProperty.AddOwner(
|
||||
typeof(SimpleText),
|
||||
new FrameworkPropertyMetadata(OnFormattedTextUpdated));
|
||||
|
||||
public FontStretch FontStretch
|
||||
{
|
||||
get => (FontStretch)GetValue(FontStretchProperty);
|
||||
set => SetValue(FontStretchProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty FontStyleProperty = TextElement.FontStyleProperty.AddOwner(
|
||||
typeof(SimpleText),
|
||||
new FrameworkPropertyMetadata(OnFormattedTextUpdated));
|
||||
|
||||
public FontStyle FontStyle
|
||||
{
|
||||
get => (FontStyle)GetValue(FontStyleProperty);
|
||||
set => SetValue(FontStyleProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty FontWeightProperty = TextElement.FontWeightProperty.AddOwner(
|
||||
typeof(SimpleText),
|
||||
new FrameworkPropertyMetadata(OnFormattedTextUpdated));
|
||||
|
||||
public FontWeight FontWeight
|
||||
{
|
||||
get => (FontWeight)GetValue(FontWeightProperty);
|
||||
set => SetValue(FontWeightProperty, value);
|
||||
}
|
||||
|
||||
protected override void OnRender(DrawingContext drawingContext) => drawingContext.DrawText(_formattedText, new Point());
|
||||
|
||||
private void UpdatePen()
|
||||
{
|
||||
_pen = new Pen(Stroke, StrokeThickness);
|
||||
|
||||
if (StrokePosition == StrokePosition.Outside || StrokePosition == StrokePosition.Inside)
|
||||
{
|
||||
_pen.Thickness = StrokeThickness * 2;
|
||||
}
|
||||
}
|
||||
|
||||
private void EnsureFormattedText()
|
||||
{
|
||||
if (_formattedText != null || Text == null)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
#if netle45
|
||||
_formattedText = new FormattedText(
|
||||
Text,
|
||||
CultureInfo.CurrentUICulture,
|
||||
FlowDirection,
|
||||
new Typeface(FontFamily, FontStyle, FontWeight, FontStretch),
|
||||
FontSize, Fill);
|
||||
#else
|
||||
var source = PresentationSource.FromVisual(this);
|
||||
var dpi = 1.0;
|
||||
if (source?.CompositionTarget != null)
|
||||
{
|
||||
dpi = 96.0 * source.CompositionTarget.TransformToDevice.M11 / 96.0;
|
||||
}
|
||||
_formattedText = new FormattedText(
|
||||
Text,
|
||||
CultureInfo.CurrentUICulture,
|
||||
FlowDirection,
|
||||
new Typeface(FontFamily, FontStyle, FontWeight, FontStretch),
|
||||
FontSize, Fill, dpi);
|
||||
#endif
|
||||
|
||||
UpdateFormattedText();
|
||||
}
|
||||
|
||||
private void UpdateFormattedText()
|
||||
{
|
||||
if (_formattedText == null)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
_formattedText.MaxLineCount = TextWrapping == TextWrapping.NoWrap ? 1 : int.MaxValue;
|
||||
_formattedText.TextAlignment = TextAlignment;
|
||||
_formattedText.Trimming = TextTrimming;
|
||||
|
||||
_formattedText.SetFontSize(FontSize);
|
||||
_formattedText.SetFontStyle(FontStyle);
|
||||
_formattedText.SetFontWeight(FontWeight);
|
||||
_formattedText.SetFontFamily(FontFamily);
|
||||
_formattedText.SetFontStretch(FontStretch);
|
||||
}
|
||||
|
||||
private static void OnFormattedTextUpdated(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
var outlinedTextBlock = (SimpleText)d;
|
||||
outlinedTextBlock.UpdateFormattedText();
|
||||
|
||||
outlinedTextBlock.InvalidateMeasure();
|
||||
outlinedTextBlock.InvalidateVisual();
|
||||
}
|
||||
|
||||
private static void OnFormattedTextInvalidated(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
var outlinedTextBlock = (SimpleText)d;
|
||||
outlinedTextBlock._formattedText = null;
|
||||
|
||||
outlinedTextBlock.InvalidateMeasure();
|
||||
outlinedTextBlock.InvalidateVisual();
|
||||
}
|
||||
|
||||
protected override Size MeasureOverride(Size availableSize)
|
||||
{
|
||||
EnsureFormattedText();
|
||||
|
||||
// constrain the formatted text according to the available size
|
||||
// the Math.Min call is important - without this constraint (which seems arbitrary, but is the maximum allowable text width), things blow up when availableSize is infinite in both directions
|
||||
// the Math.Max call is to ensure we don't hit zero, which will cause MaxTextHeight to throw
|
||||
_formattedText.MaxTextWidth = Math.Min(3579139, availableSize.Width);
|
||||
_formattedText.MaxTextHeight = Math.Max(0.0001d, availableSize.Height);
|
||||
|
||||
UpdatePen();
|
||||
|
||||
// return the desired size
|
||||
return new Size(_formattedText.Width, _formattedText.Height);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user