당신이 사용할 수 있습 copyCrop()함께 이미지:
이미지 copyCrop(Image src,int x,int y,int w,int h);
import 'dart:io';
import 'package:image/image.dart';
void main(List<String> argv) {
String path = argv[0];
Directory dir = Directory(path);
List files = dir.listSync();
List<int> trimRect;
for (var f in files) {
if (f is! File) {
continue;
}
List<int> bytes = f.readBytesSync();
Image image = decodeImage(bytes);
if (image == null) {
continue;
}
if (trimRect == null) {
trimRect = findTrim(image, mode: TrimMode.transparent);
}
Image trimmed = copyCrop(image, trimRect[0], trimRect[1],
trimRect[2], trimRect[3]);
String name = f.path.split(RegExp(r'(/|\\)')).last;
File('$path/trimmed-$name').writeBytesSync(encodeNamedImage(image, f.path));
}
}