init (#88427)

packages/flutter_test/lib/src/image.dart

@@ -6,7 +6,6 @@ import 'dart:async';
 import 'dart:typed_data';
 import 'dart:ui' as ui;
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/painting.dart';
 
 import 'test_async_utils.dart';
@@ -49,13 +48,6 @@ Future<ui.Image> createTestImage({
 });
 
 Future<ui.Image> _createImage(int width, int height) async {
-  if (kIsWeb) {
-    return _webCreateTestImage(
-      width: width,
-      height: height,
-    );
-  }
-
   final Completer<ui.Image> completer = Completer<ui.Image>();
   ui.decodeImageFromPixels(
     Uint8List.fromList(List<int>.filled(width * height * 4, 0, growable: false)),
@@ -68,52 +60,3 @@ Future<ui.Image> _createImage(int width, int height) async {
   );
   return completer.future;
 }
-
-/// Web doesn't support [decodeImageFromPixels]. Instead, generate a 1bpp BMP
-/// and just use [instantiateImageCodec].
-// TODO(dnfield): Remove this when https://github.com/flutter/flutter/issues/49244
-// is resolved.
-Future<ui.Image> _webCreateTestImage({
-  required int width,
-  required int height,
-}) async {
-  // See https://en.wikipedia.org/wiki/BMP_file_format for format examples.
-  final int bufferSize = 0x36 + (width * height);
-  final ByteData bmpData = ByteData(bufferSize);
-  // 'BM' header
-  bmpData.setUint8(0x00, 0x42);
-  bmpData.setUint8(0x01, 0x4D);
-  // Size of data
-  bmpData.setUint32(0x02, bufferSize, Endian.little);
-  // Offset where pixel array begins
-  bmpData.setUint32(0x0A, 0x36, Endian.little);
-  // Bytes in DIB header
-  bmpData.setUint32(0x0E, 0x28, Endian.little);
-  // width
-  bmpData.setUint32(0x12, width, Endian.little);
-  // height
-  bmpData.setUint32(0x16, height, Endian.little);
-  // Color panes
-  bmpData.setUint16(0x1A, 0x01, Endian.little);
-  // bpp
-  bmpData.setUint16(0x1C, 0x01, Endian.little);
-  // no compression
-  bmpData.setUint32(0x1E, 0x00, Endian.little);
-  // raw bitmap data size
-  bmpData.setUint32(0x22, width * height, Endian.little);
-  // print DPI width
-  bmpData.setUint32(0x26, width, Endian.little);
-  // print DPI height
-  bmpData.setUint32(0x2A, height, Endian.little);
-  // colors in the palette
-  bmpData.setUint32(0x2E, 0x00, Endian.little);
-  // important colors
-  bmpData.setUint32(0x32, 0x00, Endian.little);
-  // rest of data is zeroed as black pixels.
-
-  final ui.Codec codec = await ui.instantiateImageCodec(
-    bmpData.buffer.asUint8List(),
-  );
-  final ui.FrameInfo frameInfo = await codec.getNextFrame();
-  return frameInfo.image;
-}