pdf_manipulator 0.4.1 
pdf_manipulator: ^0.4.1 copied to clipboard
deepanshuchaudhary.comA flutter plugin for easy pdf manipualtions.
import 'dart:developer';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:pdf_manipulator/pdf_manipulator.dart';
import 'package:pick_or_save/pick_or_save.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final _mergePdfsPlugin = PdfManipulator();
final _pickOrSavePlugin = PickOrSave();
String? _mergedPDFPath;
List<String>? _splitPDFPaths;
String? _resultPDFPath;
bool _isBusy = false;
final bool _localOnly = false;
final bool _copyFileToCacheDir = true;
List<String>? _pickedFilesPaths;
List<String>? _savedFilePath;
@override
void initState() {
super.initState();
}
Future<void> _filePicker(FilePickerParams params) async {
List<String>? result;
try {
setState(() {
_isBusy = true;
});
result = await _pickOrSavePlugin.filePicker(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_pickedFilesPaths = result;
_isBusy = false;
});
}
Future<void> _fileSaver(FileSaverParams params) async {
List<String>? result;
try {
setState(() {
_isBusy = true;
});
result = await _pickOrSavePlugin.fileSaver(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_savedFilePath = result ?? _savedFilePath;
_isBusy = false;
});
}
Future<void> _mergePDFs(PDFMergerParams params) async {
String? result;
try {
setState(() {
_isBusy = true;
});
result = await _mergePdfsPlugin.mergePDFs(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_mergedPDFPath = result;
_isBusy = false;
});
}
Future<void> _splitPDF(PDFSplitterParams params) async {
List<String>? result;
try {
setState(() {
_isBusy = true;
});
result = await _mergePdfsPlugin.splitPDF(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_splitPDFPaths = result;
_isBusy = false;
});
}
Future<void> _pdfPageDeleter(PDFPageDeleterParams params) async {
String? result;
try {
setState(() {
_isBusy = true;
});
result = await _mergePdfsPlugin.pdfPageDeleter(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_resultPDFPath = result;
_isBusy = false;
});
}
Future<void> _pdfPageReorder(PDFPageReorderParams params) async {
String? result;
try {
setState(() {
_isBusy = true;
});
result = await _mergePdfsPlugin.pdfPageReorder(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_resultPDFPath = result;
_isBusy = false;
});
}
Future<void> _pdfPageRotator(PDFPageRotatorParams params) async {
String? result;
try {
setState(() {
_isBusy = true;
});
result = await _mergePdfsPlugin.pdfPageRotator(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_resultPDFPath = result;
_isBusy = false;
});
}
Future<void> _pdfPageRotatorDeleterReorder(
PDFPageRotatorDeleterReorderParams params) async {
String? result;
try {
setState(() {
_isBusy = true;
});
result =
await _mergePdfsPlugin.pdfPageRotatorDeleterReorder(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_resultPDFPath = result;
_isBusy = false;
});
}
Future<void> _pdfWatermark(PDFWatermarkParams params) async {
String? result;
try {
setState(() {
_isBusy = true;
});
result = await _mergePdfsPlugin.pdfWatermark(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_resultPDFPath = result;
_isBusy = false;
});
}
Future<void> _pdfCompressor(PDFCompressorParams params) async {
String? result;
try {
setState(() {
_isBusy = true;
});
result = await _mergePdfsPlugin.pdfCompressor(params: params);
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
if (!mounted) return;
setState(() {
_resultPDFPath = result;
_isBusy = false;
});
}
Future<void> _cancelTask() async {
String? result;
try {
setState(() {
_isBusy = false;
});
result = await _mergePdfsPlugin.cancelManipulations();
log(result.toString());
} on PlatformException catch (e) {
log(e.toString());
}
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: ListView(
children: [
const Text("Merging PDF"),
Card(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FilePickerParams(
localOnly: _localOnly,
copyFileToCacheDir: _copyFileToCacheDir,
filePickingType: FilePickingType.multiple,
mimeTypeFilter: ["application/pdf"],
);
await _filePicker(params);
},
child: const Text("Pick multiple file")),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFMergerParams(
pdfsPaths: _pickedFilesPaths!,
);
await _mergePDFs(params);
},
child: const Text("Merge picked pdfs")),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FileSaverParams(
localOnly: _localOnly,
sourceFilesPaths: [_mergedPDFPath!],
filesNames: ["merged pdf.pdf"],
);
await _fileSaver(params);
},
child: const Text("Save merged pdf")),
OutlinedButton(
onPressed: () async {
await _cancelTask();
},
child: const Text("Cancel manipulation task")),
],
),
],
),
),
const Text("Split PDF"),
Card(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FilePickerParams(
localOnly: _localOnly,
copyFileToCacheDir: _copyFileToCacheDir,
filePickingType: FilePickingType.single,
mimeTypeFilter: ["application/pdf"],
);
await _filePicker(params);
},
child: const Text("Pick single file")),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFSplitterParams(
pdfPath: _pickedFilesPaths![0],
pageCount: 1,
);
await _splitPDF(params);
},
child: const Text("split(Page count)")),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFSplitterParams(
pdfPath: _pickedFilesPaths![0],
byteSize: 12000000
// BigInt.from(1000).pow(3).toInt()
// BigInt.from(1000).pow(12).toInt(),
);
await _splitPDF(params);
},
child: const Text("split(byte size)")),
],
),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFSplitterParams(
pdfPath: _pickedFilesPaths![0],
pageNumbers: [2, 10],
);
await _splitPDF(params);
},
child: const Text("split(page numbers)")),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFSplitterParams(
pdfPath: _pickedFilesPaths![0],
pageRanges: ["2", "10-15"],
);
await _splitPDF(params);
},
child:
const Text("split(extract page ranges)")),
],
),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFSplitterParams(
pdfPath: _pickedFilesPaths![0],
pageRange: "2, 10-11, 3",
);
await _splitPDF(params);
},
child: const Text("split(extract page range)")),
],
),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FileSaverParams(
localOnly: _localOnly,
sourceFilesPaths: _splitPDFPaths,
);
await _fileSaver(params);
},
child: const Text("Save split pdfs")),
OutlinedButton(
onPressed: () async {
await _cancelTask();
},
child: const Text("Cancel manipulation task")),
],
),
],
),
),
const Text("Delete PDF pages"),
Card(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FilePickerParams(
localOnly: _localOnly,
copyFileToCacheDir: _copyFileToCacheDir,
filePickingType: FilePickingType.single,
mimeTypeFilter: ["application/pdf"],
);
await _filePicker(params);
},
child: const Text("Pick single file")),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFPageDeleterParams(
pdfPath: _pickedFilesPaths![0],
pageNumbers: [1, 2, 3],
);
await _pdfPageDeleter(params);
},
child: const Text("delete pages")),
],
),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FileSaverParams(
localOnly: _localOnly,
sourceFilesPaths: [_resultPDFPath!],
);
await _fileSaver(params);
},
child: const Text("Save new pdf")),
OutlinedButton(
onPressed: () async {
await _cancelTask();
},
child: const Text("Cancel manipulation task")),
],
),
],
),
),
const Text("Reorder PDF pages"),
Card(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FilePickerParams(
localOnly: _localOnly,
copyFileToCacheDir: _copyFileToCacheDir,
filePickingType: FilePickingType.single,
mimeTypeFilter: ["application/pdf"],
);
await _filePicker(params);
},
child: const Text("Pick single file")),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFPageReorderParams(
pdfPath: _pickedFilesPaths![0],
pageNumbers: [4, 1],
);
await _pdfPageReorder(params);
},
child: const Text("reorder pages")),
],
),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FileSaverParams(
localOnly: _localOnly,
sourceFilesPaths: [_resultPDFPath!],
);
await _fileSaver(params);
},
child: const Text("Save new pdf")),
OutlinedButton(
onPressed: () async {
await _cancelTask();
},
child: const Text("Cancel manipulation task")),
],
),
],
),
),
const Text("Rotate PDF pages"),
Card(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FilePickerParams(
localOnly: _localOnly,
copyFileToCacheDir: _copyFileToCacheDir,
filePickingType: FilePickingType.single,
mimeTypeFilter: ["application/pdf"],
);
await _filePicker(params);
},
child: const Text("Pick single file")),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFPageRotatorParams(
pdfPath: _pickedFilesPaths![0],
pagesRotationInfo: [
PageRotationInfo(
pageNumber: 1,
rotationAngle: 180)
],
);
await _pdfPageRotator(params);
},
child: const Text("rotate pages")),
],
),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FileSaverParams(
localOnly: _localOnly,
sourceFilesPaths: [_resultPDFPath!],
);
await _fileSaver(params);
},
child: const Text("Save new pdf")),
OutlinedButton(
onPressed: () async {
await _cancelTask();
},
child: const Text("Cancel manipulation task")),
],
),
],
),
),
const Text("Rotate, Delete, Reorder PDF pages"),
Card(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FilePickerParams(
localOnly: _localOnly,
copyFileToCacheDir: _copyFileToCacheDir,
filePickingType: FilePickingType.single,
mimeTypeFilter: ["application/pdf"],
);
await _filePicker(params);
},
child: const Text("Pick single file")),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params =
PDFPageRotatorDeleterReorderParams(
pdfPath: _pickedFilesPaths![0],
pagesRotationInfo: [
PageRotationInfo(
pageNumber: 1,
rotationAngle: 180)
],
pageNumbersForReorder: [
4,
3,
2,
1,
],
pageNumbersForDeleter: [3, 2],
);
await _pdfPageRotatorDeleterReorder(
params);
},
child: const Text(
"Rotate, Delete, Reorder pages")),
],
),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FileSaverParams(
localOnly: _localOnly,
sourceFilesPaths: [_resultPDFPath!],
);
await _fileSaver(params);
},
child: const Text("Save new pdf")),
OutlinedButton(
onPressed: () async {
await _cancelTask();
},
child: const Text("Cancel manipulation task")),
],
),
],
),
),
const Text("PDF Compressor"),
Card(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FilePickerParams(
localOnly: _localOnly,
copyFileToCacheDir: _copyFileToCacheDir,
filePickingType: FilePickingType.single,
mimeTypeFilter: ["application/pdf"],
);
await _filePicker(params);
},
child: const Text("Pick single file")),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFCompressorParams(
pdfPath: _pickedFilesPaths![0],
imageQuality: 100,
imageScale: 1,
);
await _pdfCompressor(params);
},
child: const Text("Compress")),
],
),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FileSaverParams(
localOnly: _localOnly,
sourceFilesPaths: [_resultPDFPath!],
);
await _fileSaver(params);
},
child: const Text("Save new pdf")),
OutlinedButton(
onPressed: () async {
await _cancelTask();
},
child: const Text("Cancel manipulation task")),
],
),
],
),
),
const Text("PDF Watermark"),
Card(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Column(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FilePickerParams(
localOnly: _localOnly,
copyFileToCacheDir: _copyFileToCacheDir,
filePickingType: FilePickingType.single,
mimeTypeFilter: ["application/pdf"],
);
await _filePicker(params);
},
child: const Text("Pick single file")),
Row(
children: [
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = PDFWatermarkParams(
pdfPath: _pickedFilesPaths![0],
text: "LOL Lol Watermark",
watermarkColor: Colors.red,
fontSize: 50,
watermarkLayer:
WatermarkLayer.overContent,
opacity: 0.7,
);
await _pdfWatermark(params);
},
child: const Text("Watermark")),
],
),
OutlinedButton(
onPressed: _isBusy
? null
: () async {
final params = FileSaverParams(
localOnly: _localOnly,
sourceFilesPaths: [_resultPDFPath!],
);
await _fileSaver(params);
},
child: const Text("Save new pdf")),
OutlinedButton(
onPressed: () async {
await _cancelTask();
},
child: const Text("Cancel manipulation task")),
],
),
],
),
),
],
),
),
),
);
}
}Metadata
58
likes
0
pub points
88%
popularity
Publisher
Metadata
A flutter plugin for easy pdf manipualtions.
Repository (GitHub)
View/report issues
License
unknown (license)
Dependencies
flutter, plugin_platform_interface
