85 lines
2.1 KiB
Dart
85 lines
2.1 KiB
Dart
import 'package:flutter/cupertino.dart';
|
|
|
|
class ChatBubble extends CustomPainter {
|
|
final Color color;
|
|
final Alignment? alignment;
|
|
|
|
ChatBubble({
|
|
required this.color,
|
|
this.alignment,
|
|
});
|
|
|
|
final _radius = 10.0;
|
|
final _x = 10.0;
|
|
|
|
@override
|
|
void paint(Canvas canvas, Size size) {
|
|
if (alignment == Alignment.topRight) {
|
|
canvas.drawRRect(
|
|
RRect.fromLTRBAndCorners(
|
|
0,
|
|
0,
|
|
size.width - 8,
|
|
size.height,
|
|
bottomLeft: Radius.circular(_radius),
|
|
topRight: Radius.circular(_radius),
|
|
topLeft: Radius.circular(_radius),
|
|
),
|
|
Paint()
|
|
..color = color
|
|
..style = PaintingStyle.fill);
|
|
var path = Path();
|
|
path.moveTo(size.width - _x, size.height - 20);
|
|
path.lineTo(size.width - _x, size.height);
|
|
path.lineTo(size.width, size.height);
|
|
canvas.clipPath(path);
|
|
canvas.drawRRect(
|
|
RRect.fromLTRBAndCorners(
|
|
size.width - _x,
|
|
0.0,
|
|
size.width,
|
|
size.height,
|
|
topRight: Radius.circular(_radius),
|
|
),
|
|
Paint()
|
|
..color = color
|
|
..style = PaintingStyle.fill);
|
|
} else {
|
|
canvas.drawRRect(
|
|
RRect.fromLTRBAndCorners(
|
|
_x,
|
|
0,
|
|
size.width,
|
|
size.height,
|
|
bottomRight: Radius.circular(_radius),
|
|
topRight: Radius.circular(_radius),
|
|
topLeft: Radius.circular(_radius),
|
|
),
|
|
Paint()
|
|
..color = color
|
|
..style = PaintingStyle.fill);
|
|
var path = Path();
|
|
path.moveTo(0, size.height);
|
|
path.lineTo(_x, size.height);
|
|
path.lineTo(_x, size.height - 20);
|
|
canvas.clipPath(path);
|
|
canvas.drawRRect(
|
|
RRect.fromLTRBAndCorners(
|
|
0,
|
|
0.0,
|
|
_x,
|
|
size.height,
|
|
topRight: Radius.circular(_radius),
|
|
),
|
|
Paint()
|
|
..color = color
|
|
..style = PaintingStyle.fill);
|
|
}
|
|
}
|
|
|
|
@override
|
|
bool shouldRepaint(CustomPainter oldDelegate) {
|
|
return true;
|
|
}
|
|
}
|