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adding shader #50

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adding shader #50

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4 changes: 3 additions & 1 deletion lib/curved_navigation_bar.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ class CurvedNavigationBar extends StatefulWidget {
final Curve animationCurve;
final Duration animationDuration;
final double height;
final Shader shader;

CurvedNavigationBar({
Key key,
Expand All @@ -25,6 +26,7 @@ class CurvedNavigationBar extends StatefulWidget {
this.animationCurve = Curves.easeOut,
this.animationDuration = const Duration(milliseconds: 600),
this.height = 75.0,
this.shader,
}) : assert(items != null),
assert(items.length >= 1),
assert(0 <= index && index < items.length),
Expand Down Expand Up @@ -127,7 +129,7 @@ class CurvedNavigationBarState extends State<CurvedNavigationBar>
bottom: 0 - (75.0 - widget.height),
child: CustomPaint(
painter: NavCustomPainter(
_pos, _length, widget.color, Directionality.of(context)),
_pos, _length, widget.color, widget.shader, Directionality.of(context)),
child: Container(
height: 75.0,
),
Expand Down
4 changes: 3 additions & 1 deletion lib/src/nav_custom_painter.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,11 @@ class NavCustomPainter extends CustomPainter {
double loc;
double s;
Color color;
Shader shader;
TextDirection textDirection;

NavCustomPainter(
double startingLoc, int itemsLength, this.color, this.textDirection) {
double startingLoc, int itemsLength, this.color, this.shader, this.textDirection) {
final span = 1.0 / itemsLength;
s = 0.2;
double l = startingLoc + (span - s) / 2;
Expand All @@ -18,6 +19,7 @@ class NavCustomPainter extends CustomPainter {
void paint(Canvas canvas, Size size) {
final paint = Paint()
..color = color
..shader = shader
..style = PaintingStyle.fill;

final path = Path()
Expand Down