Initial commit — DLS lab-app Flutter project

2026-06-10 23:22:15 +03:00
commit d1acc1d367
225 changed files with 31294 additions and 0 deletions
@@ -0,0 +1,104 @@
+import 'package:flutter/material.dart';
+
+/// Renders the DLS brand logo — navy tooth + cyan chevrons.
+///
+/// [color] null → brand colors (#00397C tooth + #57B8CE chevrons).
+/// Pass a color (e.g. Colors.white) for monochrome override on dark backgrounds.
+class ToothLogo extends StatelessWidget {
+  const ToothLogo({
+    super.key,
+    required this.size,
+    this.color,
+  });
+
+  final double size;
+  final Color? color;
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      width: size * 1.9,
+      height: size,
+      child: CustomPaint(
+        painter: _DlsLogoPainter(color: color),
+      ),
+    );
+  }
+}
+
+class _DlsLogoPainter extends CustomPainter {
+  const _DlsLogoPainter({this.color});
+  final Color? color;
+
+  static const _navy = Color(0xFF00397C);
+  static const _cyan = Color(0xFF57B8CE);
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final toothColor = color ?? _navy;
+    final chevronColor = color ?? _cyan;
+
+    // Content bounding box in SVG 200×200 space: x=[42.5..157.5], y=[72..133]
+    // Width=115, Height=61 → aspect ~1.885 ≈ widget aspect 1.9
+    const svgLeft = 42.5, svgTop = 72.0, svgWidth = 115.0, svgHeight = 61.0;
+    final s = size.height / svgHeight;
+    final dx = (size.width - svgWidth * s) / 2.0 - svgLeft * s;
+    final dy = (size.height - svgHeight * s) / 2.0 - svgTop * s;
+
+    canvas.translate(dx, dy);
+    canvas.scale(s);
+
+    _drawTooth(canvas, toothColor);
+    _drawChevrons(canvas, chevronColor);
+  }
+
+  static void _drawTooth(Canvas canvas, Color color) {
+    // SVG path with scale(0.58) + translate(100,100) applied inline.
+    const cx = 100.0, cy = 100.0, sc = 0.58;
+    double px(double v) => cx + v * sc;
+    double py(double v) => cy + v * sc;
+
+    final path = Path()
+      ..moveTo(px(0), py(-46))
+      ..cubicTo(px(-22), py(-50), px(-44), py(-38), px(-44), py(-12))
+      ..cubicTo(px(-44), py(8), px(-34), py(32), px(-26), py(46))
+      ..cubicTo(px(-20), py(57), px(-11), py(53), px(-8), py(33))
+      ..cubicTo(px(-6), py(19), px(-2), py(17), px(0), py(17))
+      ..cubicTo(px(2), py(17), px(6), py(19), px(8), py(33))
+      ..cubicTo(px(11), py(53), px(20), py(57), px(26), py(46))
+      ..cubicTo(px(34), py(32), px(44), py(8), px(44), py(-12))
+      ..cubicTo(px(44), py(-38), px(22), py(-50), px(0), py(-46))
+      ..close();
+
+    canvas.drawPath(path, Paint()..color = color..style = PaintingStyle.fill);
+  }
+
+  static void _drawChevrons(Canvas canvas, Color color) {
+    final paint = Paint()
+      ..color = color
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 11.0
+      ..strokeCap = StrokeCap.round
+      ..strokeJoin = StrokeJoin.round;
+
+    // Polyline points + translate(100,100). Left: (-52,-22)→(-34,0)→(-52,22)
+    canvas.drawPath(
+      Path()
+        ..moveTo(48, 78)
+        ..lineTo(66, 100)
+        ..lineTo(48, 122),
+      paint,
+    );
+    // Right: (52,-22)→(34,0)→(52,22)
+    canvas.drawPath(
+      Path()
+        ..moveTo(152, 78)
+        ..lineTo(134, 100)
+        ..lineTo(152, 122),
+      paint,
+    );
+  }
+
+  @override
+  bool shouldRepaint(_DlsLogoPainter old) => old.color != color;
+}