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Add top and bottom BubbleNips #40

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Add top and bottom BubbleNips #40

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6 changes: 6 additions & 0 deletions lib/bubble.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,12 @@ enum BubbleNip {
rightTop,
rightCenter,
rightBottom,
topRight,
topLeft,
topCenter,
bottomRight,
bottomLeft,
bottomCenter,
}

class Bubble extends StatelessWidget {
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159 changes: 154 additions & 5 deletions lib/bubble_clipper.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -76,8 +76,23 @@ class BubbleClipper extends CustomClipper<Path> {
top: padding.top,
right: _startOffset + padding.right,
bottom: padding.bottom);

default:
case BubbleNip.topRight:
case BubbleNip.topLeft:
case BubbleNip.topCenter:
return EdgeInsets.only(
left: padding.left,
top: _startOffset + padding.top,
right: padding.right,
bottom: _endOffset + padding.bottom);
case BubbleNip.bottomRight:
case BubbleNip.bottomLeft:
case BubbleNip.bottomCenter:
return EdgeInsets.only(
left: padding.left,
top: _endOffset + padding.top,
right: padding.right,
bottom: _startOffset + padding.bottom);
case BubbleNip.no:
return EdgeInsets.only(
left: _endOffset + padding.left,
top: padding.top,
Expand Down Expand Up @@ -118,8 +133,19 @@ class BubbleClipper extends CustomClipper<Path> {
path.addRRect(RRect.fromLTRBR(
_endOffset, 0, size.width - _startOffset, size.height, radius));
break;

default:
case BubbleNip.topRight:
case BubbleNip.topLeft:
case BubbleNip.topCenter:
path.addRRect(RRect.fromLTRBR(
0, _startOffset, size.width, size.height - _endOffset, radius));
break;
case BubbleNip.bottomRight:
case BubbleNip.bottomLeft:
case BubbleNip.bottomCenter:
path.addRRect(RRect.fromLTRBR(
0, _endOffset, size.width, size.height - _startOffset, radius));
break;
case BubbleNip.no:
path.addRRect(RRect.fromLTRBR(
_endOffset, 0, size.width - _endOffset, size.height, radius));
}
Expand Down Expand Up @@ -266,8 +292,131 @@ class BubbleClipper extends CustomClipper<Path> {
path2.close();
path = Path.combine(PathOperation.union, path, path2);
break;
case BubbleNip.topRight:
final path2 = Path();
path2.moveTo(size.width - nipOffset, _startOffset + radiusX);
path2.lineTo(
size.width - nipOffset - nipHeight, _startOffset + radiusX);
path2.lineTo(size.width - nipOffset - nipHeight, _startOffset);
if (nipRadius == 0) {
path2.lineTo(size.width - nipOffset, 0);
} else {
path2
..lineTo(size.width - nipOffset - _nipPY, _nipPX)
..arcToPoint(Offset(size.width - nipOffset, _nipCX),
radius: Radius.circular(nipRadius));
}
path2.close();
path = Path.combine(PathOperation.union, path, path2);
break;
case BubbleNip.topLeft:
final path2 = Path();
path2.moveTo(nipOffset, _startOffset + radiusX);
path2.lineTo(nipOffset + nipHeight, _startOffset + radiusX);
path2.lineTo(nipOffset + nipHeight, _startOffset);
if (nipRadius == 0) {
path2.lineTo(nipOffset, 0);
} else {
path2
..lineTo(nipOffset + _nipPY, _nipPX)
..arcToPoint(
Offset(nipOffset, _nipCX),
radius: Radius.circular(nipRadius),
clockwise: false,
);
}
path2.close();
path = Path.combine(PathOperation.union, path, path2);
break;
case BubbleNip.topCenter:
final cx = nipOffset + size.width / 2;
final nipHalf = nipWidth / 2;

final path2 = Path()
..moveTo(cx - nipHalf, _startOffset)
..lineTo(cx - nipHalf, _startOffset + radiusY)
..lineTo(cx + nipHalf, _startOffset + radiusY)
..lineTo(cx + nipHalf, _startOffset);

if (nipRadius == 0) {
path2.lineTo(cx, 0);
} else {
path2
..lineTo(cx + _nipPX, _nipPY)
..arcToPoint(
Offset(cx - _nipPX, _nipPY),
radius: Radius.circular(nipRadius),
);
}

path2.close();
path = Path.combine(PathOperation.union, path, path2);
break;
case BubbleNip.bottomRight:
final path2 = Path();
path2.moveTo(
size.width - nipOffset, size.height - _startOffset - radiusX);
path2.lineTo(size.width - nipOffset - nipHeight,
size.height - _startOffset - radiusX);
path2.lineTo(
size.width - nipOffset - nipHeight, size.height - _startOffset);
if (nipRadius == 0) {
path2.lineTo(size.width - nipOffset, size.height);
} else {
path2
..lineTo(size.width - nipOffset - _nipPY, size.height - _nipPX)
..arcToPoint(Offset(size.width - nipOffset, size.height - _nipCX),
radius: Radius.circular(nipRadius));
}
path2.close();
path = Path.combine(PathOperation.union, path, path2);
break;
case BubbleNip.bottomLeft:
final path2 = Path();
path2.moveTo(nipOffset, size.height - _startOffset - radiusX);
path2.lineTo(
nipOffset + nipHeight, size.height - _startOffset - radiusX);
path2.lineTo(nipOffset + nipHeight, size.height - _startOffset);
if (nipRadius == 0) {
path2.lineTo(nipOffset, size.height);
} else {
path2
..lineTo(nipOffset + _nipPY, size.height - _nipPX)
..arcToPoint(
Offset(nipOffset, size.height - _nipCX),
radius: Radius.circular(nipRadius),
clockwise: false,
);
}
path2.close();
path = Path.combine(PathOperation.union, path, path2);
break;
case BubbleNip.bottomCenter:
final cx = nipOffset + size.width / 2;
final nipHalf = nipWidth / 2;

final path2 = Path()
..moveTo(cx - nipHalf, size.height - _startOffset)
..lineTo(cx - nipHalf, size.height - _startOffset - radiusY)
..lineTo(cx + nipHalf, size.height - _startOffset - radiusY)
..lineTo(cx + nipHalf, size.height - _startOffset);

if (nipRadius == 0) {
path2.lineTo(cx, size.height);
} else {
path2
..lineTo(cx + _nipPX, size.height - _nipPY)
..arcToPoint(
Offset(cx - _nipPX, size.height - _nipPY),
radius: Radius.circular(nipRadius),
);
}

default:
path2.close();
path = Path.combine(PathOperation.union, path, path2);
break;
case BubbleNip.no:
break;
}
}

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