From 2d40b03334e65d337a7cedbf41af112bdf32ab8e Mon Sep 17 00:00:00 2001 From: NaBian <836904362@qq.com> Date: Wed, 25 Mar 2020 23:14:55 +0800 Subject: [PATCH] add SimpleText --- src/HandyControl.sln | 2 + .../Controls/Text/OutlineText.cs | 37 +-- .../Controls/Text/SimpleText.cs | 248 ++++++++++++++++++ .../HandyControl_Shared.projitems | 1 + 4 files changed, 273 insertions(+), 15 deletions(-) create mode 100644 src/Shared/HandyControl_Shared/Controls/Text/SimpleText.cs diff --git a/src/HandyControl.sln b/src/HandyControl.sln index 1154962f..5040fb3e 100644 --- a/src/HandyControl.sln +++ b/src/HandyControl.sln @@ -34,7 +34,9 @@ Global Shared\HandyControl_Shared\HandyControl_Shared.projitems*{32204503-2ef0-4681-ae13-aa1feb6c658a}*SharedItemsImports = 4 Shared\HandyControlDemo_Shared\HandyControlDemo_Shared.projitems*{9a7b52e6-94bb-4e7e-bb6a-7cf6761b79a7}*SharedItemsImports = 4 Shared\HandyControl_Shared\HandyControl_Shared.projitems*{aac11083-faca-405d-9197-5c1212d65656}*SharedItemsImports = 13 + Shared\HandyControl_Shared\HandyControl_Shared.projitems*{be4a567d-b6e0-413e-8f64-e1a53b4f9366}*SharedItemsImports = 5 Shared\HandyControlDemo_Shared\HandyControlDemo_Shared.projitems*{c4694269-c9b8-45d5-87f8-d0088c532510}*SharedItemsImports = 13 + Shared\HandyControlDemo_Shared\HandyControlDemo_Shared.projitems*{d7107690-8592-4f9f-9379-9b82c1c15d2a}*SharedItemsImports = 5 Shared\HandyControlDemo_Shared\HandyControlDemo_Shared.projitems*{d8ae88f8-c36b-4d10-a7f9-22ffcfba5231}*SharedItemsImports = 4 Shared\HandyControl_Shared\HandyControl_Shared.projitems*{dc966e3d-bcff-4652-98cf-070e5494749a}*SharedItemsImports = 4 EndGlobalSection diff --git a/src/Shared/HandyControl_Shared/Controls/Text/OutlineText.cs b/src/Shared/HandyControl_Shared/Controls/Text/OutlineText.cs index 038480de..abc6a971 100644 --- a/src/Shared/HandyControl_Shared/Controls/Text/OutlineText.cs +++ b/src/Shared/HandyControl_Shared/Controls/Text/OutlineText.cs @@ -155,24 +155,31 @@ namespace HandyControl.Controls protected override void OnRender(DrawingContext drawingContext) { - EnsureGeometry(); - - drawingContext.DrawGeometry(Fill, null, _textGeometry); - - if (StrokePosition == StrokePosition.Outside) + if (StrokeThickness > 0) { - drawingContext.PushClip(_clipGeometry); + EnsureGeometry(); + + drawingContext.DrawGeometry(Fill, null, _textGeometry); + + if (StrokePosition == StrokePosition.Outside) + { + drawingContext.PushClip(_clipGeometry); + } + else if (StrokePosition == StrokePosition.Inside) + { + drawingContext.PushClip(_textGeometry); + } + + drawingContext.DrawGeometry(null, _pen, _textGeometry); + + if (StrokePosition == StrokePosition.Outside || StrokePosition == StrokePosition.Inside) + { + drawingContext.Pop(); + } } - else if (StrokePosition == StrokePosition.Inside) + else { - drawingContext.PushClip(_textGeometry); - } - - drawingContext.DrawGeometry(null, _pen, _textGeometry); - - if (StrokePosition == StrokePosition.Outside || StrokePosition == StrokePosition.Inside) - { - drawingContext.Pop(); + drawingContext.DrawText(_formattedText, new Point()); } } diff --git a/src/Shared/HandyControl_Shared/Controls/Text/SimpleText.cs b/src/Shared/HandyControl_Shared/Controls/Text/SimpleText.cs new file mode 100644 index 00000000..f8f873ba --- /dev/null +++ b/src/Shared/HandyControl_Shared/Controls/Text/SimpleText.cs @@ -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); + } + } +} \ No newline at end of file diff --git a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems index a78fba08..1ec85042 100644 --- a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems +++ b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems @@ -44,6 +44,7 @@ +