使用image_clicker和pdf包将从手机中点击的图片转换为flutter中的pdf

dependencies:
  image_clicker: ^版本号
  pdf: ^版本号

import 'package:image_clicker/image_clicker.dart';
import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart' as pw;

import 'package:image_clicker/image_clicker.dart';

Future<String> getImagePath() async {
  final imageClicker = ImageClicker();
  final imagePath = await imageClicker.pickImage();
  return imagePath;
}

import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart' as pw;

Future<pw.Document> convertImageToPdf(String imagePath) async {
  final pdf = pw.Document();
  final image = pw.MemoryImage(File(imagePath).readAsBytesSync());

  pdf.addPage(
    pw.Page(
      build: (pw.Context context) {
        return pw.Image(image);
      },
    ),
  );

  return pdf;
}

import 'package:path_provider/path_provider.dart';

Future<void> savePdf(pw.Document pdf) async {
  final outputDir = await getTemporaryDirectory();
  final outputFile = File('${outputDir.path}/output.pdf');
  await outputFile.writeAsBytes(await pdf.save());
}