/// <summary>
/// Builds a new layout with the specified parameters.
/// </summary>
public LayoutBuilder(
Java.Lang.ICharSequence textFormatted,
TextPaint paint,
TextUtils.TruncateAt ellipsize,
Android.Text.Layout.Alignment layoutAlignment,
TextWrapping textWrapping,
int maxLines,
Size availableSize,
bool exactWidth,
float lineHeight,
LineStackingStrategy lineStackingStrategy,
LayoutBuilder existingBuilder
)
{
_textFormatted = textFormatted;
_paint = paint;
_ellipsize = ellipsize;
_layoutAlignment = layoutAlignment;
_textWrapping = textWrapping;
_maxLines = maxLines;
AvailableSize = availableSize;
_exactWidth = exactWidth;
_lineHeight = lineHeight;
_lineStackingStrategy = lineStackingStrategy;
Layout = existingBuilder?.Layout;
_metrics = existingBuilder?._metrics;
}
private void MakeLayout(int width, int maxLines = int.MaxValue)
{
if (_textWrapping == TextWrapping.NoWrap)
{
maxLines = 1;
}
if (maxLines == 1)
{
_metrics = BoringLayout.IsBoring(_textFormatted, _paint, _metrics);
if (_metrics != null)
{
if (Layout is BoringLayout boring)
{
Layout = boring.ReplaceOrMake(
_textFormatted,
_paint,
width,
_layoutAlignment,
1,
_addedSpacing = GetSpacingAdd(_paint),
_metrics,
true,
_ellipsize,
width
);
return;
}
else
{
Layout = new BoringLayout(
_textFormatted,
_paint,
width,
_layoutAlignment,
1,
_addedSpacing = GetSpacingAdd(_paint),
_metrics,
true,
_ellipsize,
width
);
return;
}
}
}
if ((int)Android.OS.Build.VERSION.SdkInt < 28)
{
Layout = UnoStaticLayoutBuilder.Build(
/*source:*/ _textFormatted,
/*paint: */ _paint,
/*outerwidth: */ width,
/*align: */ _layoutAlignment,
/*spacingmult:*/ 1,
/*spacingadd: */ _addedSpacing = GetSpacingAdd(_paint),
/*includepad:*/ true,
/*ellipsize: */ _ellipsize,
/*ellipsizedWidth: */ width,
/*maxLines: */ maxLines
);
}
else
{
Layout = StaticLayout.Builder.Obtain(_textFormatted, 0, _textFormatted.Length(), _paint, width)
.SetLineSpacing(_addedSpacing = GetSpacingAdd(_paint), 1)
.SetMaxLines(maxLines)
.SetEllipsize(_ellipsize)
.SetEllipsizedWidth(width)
.SetAlignment(_layoutAlignment)
.SetIncludePad(true)
.Build();
}
}
private void MakeLayout(int width, int maxLines = int.MaxValue)
{
if (_textWrapping == TextWrapping.NoWrap)
{
maxLines = 1;
}
if (maxLines == 1)
{
_metrics = BoringLayout.IsBoring(_textFormatted, _paint, _metrics);
if (_metrics != null)
{
if (Layout is BoringLayout boring)
{
Layout = boring.ReplaceOrMake(
_textFormatted,
_paint,
width,
_layoutAlignment,
1,
_addedSpacing = GetSpacingAdd(_paint),
_metrics,
true,
_ellipsize,
width
);
return;
}
else
{
Layout = new BoringLayout(
_textFormatted,
_paint,
width,
_layoutAlignment,
1,
_addedSpacing = GetSpacingAdd(_paint),
_metrics,
true,
_ellipsize,
width
);
return;
}
}
}
Layout = UnoStaticLayoutBuilder.Build(
/*source:*/ _textFormatted,
/*paint: */ _paint,
/*outerwidth: */ width,
/*align: */ _layoutAlignment,
/*spacingmult:*/ 1,
/*spacingadd: */ _addedSpacing = GetSpacingAdd(_paint),
/*includepad:*/ true,
/*ellipsize: */ _ellipsize,
/*ellipsizedWidth: */ width,
/*maxLines: */ maxLines
);
}
