open-maui/OpenMaui
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Label completed

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This commit is contained in:
David H. Friedel Jr.
2026-01-16 04:23:47 +00:00
parent 9a49185183
commit 209c56e592
2 changed files with 639 additions and 854 deletions
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106
Handlers/LabelHandler.cs
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@@ -97,7 +97,7 @@ public partial class LabelHandler : ViewHandler<ILabel, SkiaLabel>
if (handler.PlatformView is null) return; if (handler.PlatformView is null) return;
if (label.TextColor is not null) if (label.TextColor is not null)
handler.PlatformView.TextColor = label.TextColor.ToSKColor(); handler.PlatformView.TextColor = label.TextColor;
} }
public static void MapFont(LabelHandler handler, ILabel label) public static void MapFont(LabelHandler handler, ILabel label)
@@ -106,32 +106,37 @@ public partial class LabelHandler : ViewHandler<ILabel, SkiaLabel>
var font = label.Font; var font = label.Font;
if (font.Size > 0) if (font.Size > 0)
handler.PlatformView.FontSize = (float)font.Size; handler.PlatformView.FontSize = font.Size;
if (!string.IsNullOrEmpty(font.Family)) if (!string.IsNullOrEmpty(font.Family))
handler.PlatformView.FontFamily = font.Family; handler.PlatformView.FontFamily = font.Family;
handler.PlatformView.IsBold = font.Weight >= FontWeight.Bold; // Convert Font weight/slant to FontAttributes
handler.PlatformView.IsItalic = font.Slant == FontSlant.Italic || font.Slant == FontSlant.Oblique; FontAttributes attrs = FontAttributes.None;
if (font.Weight >= FontWeight.Bold)
attrs |= FontAttributes.Bold;
if (font.Slant == FontSlant.Italic || font.Slant == FontSlant.Oblique)
attrs |= FontAttributes.Italic;
handler.PlatformView.FontAttributes = attrs;
} }
public static void MapCharacterSpacing(LabelHandler handler, ILabel label) public static void MapCharacterSpacing(LabelHandler handler, ILabel label)
{ {
if (handler.PlatformView is null) return; if (handler.PlatformView is null) return;
handler.PlatformView.CharacterSpacing = (float)label.CharacterSpacing; handler.PlatformView.CharacterSpacing = label.CharacterSpacing;
} }
public static void MapHorizontalTextAlignment(LabelHandler handler, ILabel label) public static void MapHorizontalTextAlignment(LabelHandler handler, ILabel label)
{ {
if (handler.PlatformView is null) return; if (handler.PlatformView is null) return;
// Map MAUI TextAlignment to our internal TextAlignment // Map MAUI TextAlignment to our TextAlignment
handler.PlatformView.HorizontalTextAlignment = label.HorizontalTextAlignment switch handler.PlatformView.HorizontalTextAlignment = label.HorizontalTextAlignment switch
{ {
Microsoft.Maui.TextAlignment.Start => Platform.TextAlignment.Start, Microsoft.Maui.TextAlignment.Start => TextAlignment.Start,
Microsoft.Maui.TextAlignment.Center => Platform.TextAlignment.Center, Microsoft.Maui.TextAlignment.Center => TextAlignment.Center,
Microsoft.Maui.TextAlignment.End => Platform.TextAlignment.End, Microsoft.Maui.TextAlignment.End => TextAlignment.End,
_ => Platform.TextAlignment.Start _ => TextAlignment.Start
}; };
} }
@@ -141,25 +146,23 @@ public partial class LabelHandler : ViewHandler<ILabel, SkiaLabel>
handler.PlatformView.VerticalTextAlignment = label.VerticalTextAlignment switch handler.PlatformView.VerticalTextAlignment = label.VerticalTextAlignment switch
{ {
Microsoft.Maui.TextAlignment.Start => Platform.TextAlignment.Start, Microsoft.Maui.TextAlignment.Start => TextAlignment.Start,
Microsoft.Maui.TextAlignment.Center => Platform.TextAlignment.Center, Microsoft.Maui.TextAlignment.Center => TextAlignment.Center,
Microsoft.Maui.TextAlignment.End => Platform.TextAlignment.End, Microsoft.Maui.TextAlignment.End => TextAlignment.End,
_ => Platform.TextAlignment.Center _ => TextAlignment.Center
}; };
} }
public static void MapTextDecorations(LabelHandler handler, ILabel label) public static void MapTextDecorations(LabelHandler handler, ILabel label)
{ {
if (handler.PlatformView is null) return; if (handler.PlatformView is null) return;
handler.PlatformView.TextDecorations = label.TextDecorations;
handler.PlatformView.IsUnderline = (label.TextDecorations & TextDecorations.Underline) != 0;
handler.PlatformView.IsStrikethrough = (label.TextDecorations & TextDecorations.Strikethrough) != 0;
} }
public static void MapLineHeight(LabelHandler handler, ILabel label) public static void MapLineHeight(LabelHandler handler, ILabel label)
{ {
if (handler.PlatformView is null) return; if (handler.PlatformView is null) return;
handler.PlatformView.LineHeight = (float)label.LineHeight; handler.PlatformView.LineHeight = label.LineHeight;
} }
public static void MapLineBreakMode(LabelHandler handler, ILabel label) public static void MapLineBreakMode(LabelHandler handler, ILabel label)
@@ -169,16 +172,7 @@ public partial class LabelHandler : ViewHandler<ILabel, SkiaLabel>
// LineBreakMode is on Label control, not ILabel interface // LineBreakMode is on Label control, not ILabel interface
if (label is Microsoft.Maui.Controls.Label mauiLabel) if (label is Microsoft.Maui.Controls.Label mauiLabel)
{ {
handler.PlatformView.LineBreakMode = mauiLabel.LineBreakMode switch handler.PlatformView.LineBreakMode = mauiLabel.LineBreakMode;
{
Microsoft.Maui.LineBreakMode.NoWrap => Platform.LineBreakMode.NoWrap,
Microsoft.Maui.LineBreakMode.WordWrap => Platform.LineBreakMode.WordWrap,
Microsoft.Maui.LineBreakMode.CharacterWrap => Platform.LineBreakMode.CharacterWrap,
Microsoft.Maui.LineBreakMode.HeadTruncation => Platform.LineBreakMode.HeadTruncation,
Microsoft.Maui.LineBreakMode.TailTruncation => Platform.LineBreakMode.TailTruncation,
Microsoft.Maui.LineBreakMode.MiddleTruncation => Platform.LineBreakMode.MiddleTruncation,
_ => Platform.LineBreakMode.TailTruncation
};
} }
} }
@@ -198,11 +192,11 @@ public partial class LabelHandler : ViewHandler<ILabel, SkiaLabel>
if (handler.PlatformView is null) return; if (handler.PlatformView is null) return;
var padding = label.Padding; var padding = label.Padding;
handler.PlatformView.Padding = new SKRect( handler.PlatformView.Padding = new Thickness(
(float)padding.Left, padding.Left,
(float)padding.Top, padding.Top,
(float)padding.Right, padding.Right,
(float)padding.Bottom); padding.Bottom);
} }
public static void MapBackground(LabelHandler handler, ILabel label) public static void MapBackground(LabelHandler handler, ILabel label)
@@ -211,7 +205,11 @@ public partial class LabelHandler : ViewHandler<ILabel, SkiaLabel>
if (label.Background is SolidPaint solidPaint && solidPaint.Color is not null) if (label.Background is SolidPaint solidPaint && solidPaint.Color is not null)
{ {
handler.PlatformView.BackgroundColor = solidPaint.Color.ToSKColor(); handler.PlatformView.BackgroundColor = new SKColor(
(byte)(solidPaint.Color.Red * 255),
(byte)(solidPaint.Color.Green * 255),
(byte)(solidPaint.Color.Blue * 255),
(byte)(solidPaint.Color.Alpha * 255));
} }
} }
@@ -249,46 +247,10 @@ public partial class LabelHandler : ViewHandler<ILabel, SkiaLabel>
if (label is not Label mauiLabel) if (label is not Label mauiLabel)
{ {
handler.PlatformView.FormattedSpans = null; handler.PlatformView.FormattedText = null;
return; return;
} }
var formattedText = mauiLabel.FormattedText; handler.PlatformView.FormattedText = mauiLabel.FormattedText;
if (formattedText == null || formattedText.Spans.Count == 0)
{
handler.PlatformView.FormattedSpans = null;
return;
}
var spans = new List<SkiaTextSpan>();
foreach (var span in formattedText.Spans)
{
var skiaSpan = new SkiaTextSpan
{
Text = span.Text ?? "",
IsBold = span.FontAttributes.HasFlag(FontAttributes.Bold),
IsItalic = span.FontAttributes.HasFlag(FontAttributes.Italic),
IsUnderline = (span.TextDecorations & TextDecorations.Underline) != 0,
IsStrikethrough = (span.TextDecorations & TextDecorations.Strikethrough) != 0,
CharacterSpacing = (float)span.CharacterSpacing,
LineHeight = (float)span.LineHeight
};
if (span.TextColor != null)
skiaSpan.TextColor = span.TextColor.ToSKColor();
if (span.BackgroundColor != null)
skiaSpan.BackgroundColor = span.BackgroundColor.ToSKColor();
if (!string.IsNullOrEmpty(span.FontFamily))
skiaSpan.FontFamily = span.FontFamily;
if (span.FontSize > 0)
skiaSpan.FontSize = (float)span.FontSize;
spans.Add(skiaSpan);
}
handler.PlatformView.FormattedSpans = spans;
} }
} }

1387
Views/SkiaLabel.cs
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