public static Label TextDecorations(this Label label, TextDecorations decorations)
{
label.TextDecorations = decorations;
return(label);
}
public static FontStyle GetStyleFontStyle(FontStyles style, FontWeights weight, TextDecorations textDecoration)
{
FontStyle fontStyle = FontStyle.Regular;
if (style == FontStyles.Italic)
{
fontStyle = FontStyle.Italic;
}
switch (weight)
{
case FontWeights.SemiBold:
case FontWeights.Bold:
case FontWeights.ExtraBold:
case FontWeights.Heavy:
fontStyle |= FontStyle.Bold;
break;
}
switch (textDecoration)
{
case TextDecorations.LineThrough:
fontStyle |= FontStyle.Strikeout;
break;
case TextDecorations.Underline:
fontStyle |= FontStyle.Underline;
break;
}
return(fontStyle);
}
public void TestTextDecorationConverter(string input, TextDecorations expected)
{
var converter = new TextDecorationConverter();
Assert.AreEqual(converter.ConvertFromInvariantString(input), expected);
}
/// <summary>
/// Builds a TextPaint configuration.
/// </summary>
/// <remarks>
/// This is required for some JNI related reason.
/// At some point, the reference to a member field TextPaint gets collected if used
/// in some of the StaticLayout methods, so we create a local copy of the
/// paint to be used in this context.
/// One solution could be to use a <see cref="Android.Runtime.JNIEnv.NewGlobalRef"/>, but the release of the reference
/// can be tricky to place properly.
/// </remarks>
/// <returns>A <see cref="TextPaint"/> instance.</returns>
public static TextPaint GetPaint(FontWeight fontWeight, FontStyle fontStyle, FontFamily fontFamily, double fontSize, double characterSpacing, Windows.UI.Color foreground, Shader shader, BaseLineAlignment baselineAlignment, TextDecorations textDecorations)
{
if (shader != null)
{
// The "Shader" native object can't be use as a cache key
return(InnerBuildPaint(fontWeight, fontStyle, fontFamily, fontSize, characterSpacing, foreground, shader, baselineAlignment, textDecorations));
}
var key = new Entry(fontWeight, fontStyle, fontFamily, fontSize, characterSpacing, foreground, baselineAlignment, textDecorations);
if (!_entries.TryGetValue(key, out var paint))
{
_entries.Add(key, paint = InnerBuildPaint(fontWeight, fontStyle, fontFamily, fontSize, characterSpacing, foreground, shader, baselineAlignment, textDecorations));
}
return(paint);
}
public static Span TextDecorations(this Span span, TextDecorations decorations)
{
span.TextDecorations = decorations;
return(span);
}
private static TextPaint InnerBuildPaint(FontWeight fontWeight, FontStyle fontStyle, FontFamily fontFamily, double fontSize, double characterSpacing, Color foreground, Shader shader, BaseLineAlignment baselineAlignment, TextDecorations textDecorations)
{
var paint = new TextPaint(PaintFlags.AntiAlias);
var paintSpecs = BuildPaintValueSpecs(fontSize, characterSpacing);
paint.Density = paintSpecs.density;
paint.TextSize = paintSpecs.textSize;
paint.UnderlineText = (textDecorations & TextDecorations.Underline) == TextDecorations.Underline;
paint.StrikeThruText = (textDecorations & TextDecorations.Strikethrough) == TextDecorations.Strikethrough;
if (shader != null)
{
paint.SetShader(shader);
}
if (baselineAlignment == BaseLineAlignment.Superscript)
{
paint.BaselineShift += (int)(paint.Ascent() / 2);
}
if (Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Lollipop)
{
paint.LetterSpacing = paintSpecs.letterSpacing;
}
else
{
LogCharacterSpacingNotSupported();
}
var typefaceStyle = TypefaceStyleHelper.GetTypefaceStyle(fontStyle, fontWeight);
var typeface = FontHelper.FontFamilyToTypeFace(fontFamily, fontWeight, typefaceStyle);
paint.SetTypeface(typeface);
paint.Color = foreground;
return(paint);
}
public Entry(FontWeight fontWeight, FontStyle fontStyle, FontFamily fontFamily, double fontSize, double characterSpacing, Windows.UI.Color foreground, BaseLineAlignment baselineAlignment, TextDecorations textDecorations)
{
FontWeight = fontWeight;
FontStyle = fontStyle;
FontFamily = fontFamily;
FontSize = fontSize;
CharacterSpacing = characterSpacing;
Foreground = foreground;
BaseLineAlignment = baselineAlignment;
TextDecorations = textDecorations;
}
public static IntPtr Box_TextDecorations(TextDecorations val)
{
IntPtr ret = NoesisGUI_PINVOKE.Box_TextDecorations((int)val);
return(ret);
}
public static TextDecorations Unbox_TextDecorations(IntPtr val)
{
TextDecorations ret = (TextDecorations)NoesisGUI_PINVOKE.Unbox_TextDecorations(val);
return(ret);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
try
{
FontChooserDialogView dialog = new FontChooserDialogView();
dialog.SelectedFamily = TextFormat.FontFamily;
dialog.SelectedTypeface = new Typeface(TextFormat.FontFamily, TextFormat.FontStyle, TextFormat.FontWeight, FontStretches.Normal);
dialog.SelectedSize = TextFormat.FontSize;
if (TextFormat.Decorations.HasFlag(TextDecorations.Underline))
{
dialog.IsUnderline = true;
}
if (TextFormat.Decorations.HasFlag(TextDecorations.Strikethrough))
{
dialog.IsStrikethrough = true;
}
if (TextFormat.Decorations.HasFlag(TextDecorations.Baseline))
{
dialog.IsBaseline = true;
}
if (TextFormat.Decorations.HasFlag(TextDecorations.Overline))
{
dialog.IsOverLine = true;
}
dialog.Owner = Window.GetWindow(this);
Nullable <bool> results = dialog.ShowDialog();
if (results != null && results == true)
{
//ConfigManager.UndoManager.StartBatch();
TextFormat.FontFamily = dialog.SelectedTypeface.FontFamily;
TextFormat.FontStyle = dialog.SelectedTypeface.Style;
TextFormat.FontWeight = dialog.SelectedTypeface.Weight;
TextFormat.FontSize = dialog.SelectedSize;
TextDecorations newDecorations = 0;
if (dialog.IsUnderline)
{
newDecorations |= TextDecorations.Underline;
}
if (dialog.IsStrikethrough)
{
newDecorations |= TextDecorations.Strikethrough;
}
if (dialog.IsBaseline)
{
newDecorations |= TextDecorations.Baseline;
}
if (dialog.IsOverLine)
{
newDecorations |= TextDecorations.Overline;
}
TextFormat.Decorations = newDecorations;
//ConfigManager.UndoManager.CloseBatch();
}
}
catch (Exception re)
{
//ConfigManager.LogManager.LogError("Error opening text format editor.", re);
}
}
public async Task TextDecorationsDoesNotAffectHorizontalTextAlignment(TextDecorations initialDecorations, TextDecorations newDecorations)
{
var label = new LabelStub
{
Text = "This is TEXT!",
HorizontalTextAlignment = TextAlignment.Center,
TextDecorations = initialDecorations,
};
await ValidateUnrelatedPropertyUnaffected(
label,
GetNativeHorizontalTextAlignment,
nameof(ILabel.TextDecorations),
() => label.TextDecorations = newDecorations);
}
public static NSMutableAttributedString?WithDecorations(this NSAttributedString attributedString, TextDecorations decorations)
{
if (attributedString == null || attributedString.Length == 0)
{
return(null);
}
var mutable = new NSMutableAttributedString(attributedString);
var range = new NSRange(0, mutable.Length);
UpdateDecoration(mutable, UIStringAttributeKey.StrikethroughStyle, range,
decorations & TextDecorations.Strikethrough);
UpdateDecoration(mutable, UIStringAttributeKey.UnderlineStyle, range,
decorations & TextDecorations.Underline);
return(mutable);
}
