RenderParagraph constructor
Creates a paragraph render object.
The text
, textAlign
, textDirection
, overflow
, softWrap
, and
textScaleFactor
arguments must not be null.
The maxLines
property may be null (and indeed defaults to null), but if
it is not null, it must be greater than zero.
Implementation
RenderParagraph(TextSpan text, {
TextAlign textAlign = TextAlign.start,
@required TextDirection textDirection,
bool softWrap = true,
TextOverflow overflow = TextOverflow.clip,
double textScaleFactor = 1.0,
int maxLines,
Locale locale,
}) : assert(text != null),
assert(text.debugAssertIsValid()),
assert(textAlign != null),
assert(textDirection != null),
assert(softWrap != null),
assert(overflow != null),
assert(textScaleFactor != null),
assert(maxLines == null || maxLines > 0),
_softWrap = softWrap,
_overflow = overflow,
_textPainter = TextPainter(
text: text,
textAlign: textAlign,
textDirection: textDirection,
textScaleFactor: textScaleFactor,
maxLines: maxLines,
ellipsis: overflow == TextOverflow.ellipsis ? _kEllipsis : null,
locale: locale,
);