import 'package:flutter/widgets.dart';

/// Wraps [provider] so it decodes at most [scale] × the screen's longest
/// physical side (capped at [maxPx]). Camera-sized photos otherwise decode at
/// full resolution — 50–200 MB each — which gets the app killed on
/// low-memory devices.
ImageProvider screenBoundImage(
  BuildContext context,
  ImageProvider provider, {
  double scale = 1,
  int maxPx = 4096,
}) {
  final bound =
      (MediaQuery.sizeOf(context).longestSide *
              MediaQuery.devicePixelRatioOf(context) *
              scale)
          .round()
          .clamp(1, maxPx);
  return ResizeImage(
    provider,
    width: bound,
    height: bound,
    policy: ResizeImagePolicy.fit,
  );
}