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Improve map marker readability

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This commit is contained in:
Ming Ming 2024-07-17 00:51:57 +08:00
parent 17e7aa55f3
commit 0c8b611e46
1 changed files with 17 additions and 6 deletions
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23
app/lib/widget/map_browser/view.dart
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@ -60,7 +60,13 @@ class _MapViewState extends State<_MapView> {
}) async {
final PictureRecorder pictureRecorder = PictureRecorder();
final Canvas canvas = Canvas(pictureRecorder);
final Paint paint1 = Paint()..color = color;
final fillPaint = Paint()..color = color;
final outlinePaint = Paint()
..color = Theme.of(context).brightness == Brightness.light
? Colors.black.withOpacity(.28)
: Colors.white.withOpacity(.6)
..strokeWidth = size / 28
..style = PaintingStyle.stroke;
const shadowPadding = 6.0;
const shadowPaddingHalf = shadowPadding / 2;
@ -71,7 +77,12 @@ class _MapViewState extends State<_MapView> {
canvas.drawCircle(
Offset(size / 2 - shadowPaddingHalf, size / 2 - shadowPaddingHalf),
size / 2 - shadowPaddingHalf,
paint1,
fillPaint,
);
canvas.drawCircle(
Offset(size / 2 - shadowPaddingHalf, size / 2 - shadowPaddingHalf),
size / 2 - shadowPaddingHalf - (size / 28 / 2),
outlinePaint,
);
if (text != null) {
@ -79,7 +90,7 @@ class _MapViewState extends State<_MapView> {
painter.text = TextSpan(
text: text,
style: TextStyle(
fontSize: size / 3.5,
fontSize: size / 3 - ((text.length / 6) * (size * 0.1)),
color: Theme.of(context).colorScheme.onPrimaryContainer,
fontWeight: FontWeight.normal,
),
@ -134,14 +145,14 @@ class _MapViewState extends State<_MapView> {
return HSLColor.fromAHSL(
1,
_colorHsl.hue,
r * .8 + .2,
r * .7 + .3,
(_colorHsl.lightness - (.1 - r * .1)).clamp(0, 1),
).toColor();
} else {
return HSLColor.fromAHSL(
1,
_colorHsl.hue,
r * .65 + .35,
r * .6 + .4,
(_colorHsl.lightness - (.1 - r * .1)).clamp(0, 1),
).toColor();
}
@ -162,7 +173,7 @@ class _MapViewState extends State<_MapView> {
default:
r = (count / 10) * step;
}
return (r * 85).toInt() + 75;
return (r * 85).toInt() + 85;
}
late final _clusterManager = ClusterManager<_DataPoint>(