protected void paintInkCircle(
Canvas canvas,
Matrix4 transform,
Paint paint,
Offset center,
float radius,
TextDirection?textDirection = null,
ShapeBorder customBorder = null,
BorderRadius borderRadius = null,
RectCallback clipCallback = null)
{
borderRadius = borderRadius ?? BorderRadius.zero;
D.assert(canvas != null);
D.assert(transform != null);
D.assert(paint != null);
D.assert(center != null);
D.assert(borderRadius != null);
Offset originOffset = MatrixUtils.getAsTranslation(transform);
canvas.save();
if (originOffset == null)
{
canvas.transform(transform.storage);
}
else
{
canvas.translate(originOffset.dx, originOffset.dy);
}
if (clipCallback != null)
{
Rect rect = clipCallback();
if (customBorder != null)
{
canvas.clipPath(customBorder.getOuterPath(rect, textDirection: textDirection));
}
else if (borderRadius != BorderRadius.zero)
{
canvas.clipRRect(RRect.fromRectAndCorners(
rect,
topLeft: borderRadius.topLeft, topRight: borderRadius.topRight,
bottomLeft: borderRadius.bottomLeft, bottomRight: borderRadius.bottomRight
));
}
else
{
canvas.clipRect(rect);
}
}
canvas.drawCircle(center, radius, paint);
canvas.restore();
}
void _paintHighlight(Canvas canvas, Rect rect, Paint paint)
{
canvas.save();
if (_customBorder != null)
{
canvas.clipPath(_customBorder.getOuterPath(rect, textDirection: _textDirection));
}
switch (_shape)
{
case BoxShape.circle: {
canvas.drawCircle(rect.center, Material.defaultSplashRadius, paint);
break;
}
case BoxShape.rectangle: {
if (_borderRadius != BorderRadius.zero)
{
RRect clipRRect = RRect.fromRectAndCorners(
rect,
topLeft: _borderRadius.topLeft,
topRight: _borderRadius.topRight,
bottomLeft: _borderRadius.bottomLeft,
bottomRight: _borderRadius.bottomRight);
canvas.drawRRect(clipRRect, paint);
}
else
{
canvas.drawRect(rect, paint);
}
break;
}
}
canvas.restore();
}
public override Path getOuterPath(Rect rect, TextDirection?textDirection)
{
return(shape.getOuterPath(rect));
}