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use camera_macos package on macos for qr code scanning

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sneurlax 2024-07-22 16:34:03 -05:00 committed by julian-CStack
parent f2b1653ea4
commit 1d49cc83e9
1 changed files with 90 additions and 29 deletions

119
lib/pages_desktop_specific/my_stack_view/wallet_view/sub_widgets/desktop_send.dart
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@ -13,8 +13,11 @@ import 'dart:convert';
import 'dart:io';
import 'package:camera_linux/camera_linux.dart';
import 'package:camera_windows/camera_windows.dart';
import 'package:camera_macos/camera_macos_controller.dart';
import 'package:camera_macos/camera_macos_device.dart';
import 'package:camera_macos/camera_macos_platform_interface.dart';
import 'package:camera_platform_interface/camera_platform_interface.dart';
import 'package:camera_windows/camera_windows.dart';
import 'package:cw_core/monero_transaction_priority.dart';
import 'package:decimal/decimal.dart';
import 'package:dropdown_button2/dropdown_button2.dart';
@ -24,7 +27,6 @@ import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:image/image.dart' as img;
import 'package:share_plus/share_plus.dart';
import 'package:zxing2/qrcode.dart';
import '../../../../models/isar/models/contact_entry.dart';
@ -149,7 +151,8 @@ class _DesktopSendState extends ConsumerState<DesktopSend> {
"Calculating..",
"Calculating...",
];
final CameraLinux? _cameraLinuxPlugin = Platform.isLinux ? CameraLinux() : null;
final CameraLinux? _cameraLinuxPlugin =
Platform.isLinux ? CameraLinux() : null;
Future<void> scanWebcam() async {
try {
@ -1989,12 +1992,16 @@ class QrCodeScannerDialog extends StatefulWidget {
}
class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
final CameraLinux? _cameraLinuxPlugin = Platform.isLinux ? CameraLinux() : null;
final CameraWindows? _cameraWindowsPlugin = Platform.isWindows ? CameraWindows() : null;
final CameraLinux? _cameraLinuxPlugin =
Platform.isLinux ? CameraLinux() : null;
final CameraWindows? _cameraWindowsPlugin =
Platform.isWindows ? CameraWindows() : null;
CameraMacOSController? _macOSController;
bool _isCameraOpen = false;
Image? _image;
bool _isScanning = false;
int _cameraId = -1;
String? _macOSDeviceId;
@override
void initState() {
@ -2020,7 +2027,8 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
await _cameraLinuxPlugin!.initializeCamera();
Logging.instance.log("Linux Camera initialized", level: LogLevel.Info);
} else if (Platform.isWindows && _cameraWindowsPlugin != null) {
final List<CameraDescription> cameras = await _cameraWindowsPlugin!.availableCameras();
final List<CameraDescription> cameras =
await _cameraWindowsPlugin!.availableCameras();
if (cameras.isEmpty) {
throw CameraException('No cameras available', 'No cameras found.');
}
@ -2037,7 +2045,23 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
await _cameraWindowsPlugin!.initializeCamera(_cameraId);
// await _cameraWindowsPlugin!.onCameraInitialized(_cameraId).first;
// TODO [prio=low]: Make this work. ^^^
Logging.instance.log("Windows Camera initialized with ID: $_cameraId", level: LogLevel.Info);
Logging.instance.log("Windows Camera initialized with ID: $_cameraId",
level: LogLevel.Info);
} else if (Platform.isMacOS) {
final List<CameraMacOSDevice> videoDevices = await CameraMacOS.instance
.listDevices(deviceType: CameraMacOSDeviceType.video);
if (videoDevices.isEmpty) {
throw Exception('No cameras available');
}
_macOSDeviceId = videoDevices.first.deviceId;
setState(() {
_isCameraOpen = true;
});
Logging.instance.log(
"macOS Camera initialized with ID: $_macOSDeviceId",
level: LogLevel.Info);
}
if (mounted) {
setState(() {
@ -2047,7 +2071,8 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
}
unawaited(_captureAndScanImage()); // Could be awaited.
} catch (e, s) {
Logging.instance.log("Failed to initialize camera: $e\n$s", level: LogLevel.Error);
Logging.instance
.log("Failed to initialize camera: $e\n$s", level: LogLevel.Error);
if (mounted) {
widget.onSnackbar("Failed to initialize camera. Please try again.");
setState(() {
@ -2063,15 +2088,27 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
_cameraLinuxPlugin!.stopCamera();
Logging.instance.log("Linux Camera stopped", level: LogLevel.Info);
} else if (Platform.isWindows && _cameraWindowsPlugin != null) {
if (_cameraId >= 0) {
await _cameraWindowsPlugin!.dispose(_cameraId);
Logging.instance.log("Windows Camera stopped with ID: $_cameraId", level: LogLevel.Info);
} else {
Logging.instance.log("Windows Camera ID is null. Cannot dispose.", level: LogLevel.Error);
}
// if (_cameraId >= 0) {
await _cameraWindowsPlugin!.dispose(_cameraId);
Logging.instance.log("Windows Camera stopped with ID: $_cameraId",
level: LogLevel.Info);
// } else {
// Logging.instance.log("Windows Camera ID is null. Cannot dispose.",
// level: LogLevel.Error);
// }
} else if (Platform.isMacOS) {
// if (_macOSDeviceId != null) {
await CameraMacOS.instance.stopImageStream();
Logging.instance.log("macOS Camera stopped with ID: $_macOSDeviceId",
level: LogLevel.Info);
// } else {
// Logging.instance.log("macOS Camera ID is null. Cannot stop.",
// level: LogLevel.Error);
// }
}
} catch (e, s) {
Logging.instance.log("Failed to stop camera: $e\n$s", level: LogLevel.Error);
Logging.instance
.log("Failed to stop camera: $e\n$s", level: LogLevel.Error);
} finally {
if (mounted) {
setState(() {
@ -2089,13 +2126,31 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
if (Platform.isLinux && _cameraLinuxPlugin != null) {
base64Image = await _cameraLinuxPlugin!.captureImage();
} else if (Platform.isWindows) {
final XFile xfile = await _cameraWindowsPlugin!.takePicture(_cameraId);
final XFile xfile =
await _cameraWindowsPlugin!.takePicture(_cameraId);
final bytes = await xfile.readAsBytes();
base64Image = base64Encode(bytes);
// We could use a Uint8List to optimize for Windows and macOS.
} else if (Platform.isMacOS) {
final macOSimg = await CameraMacOS.instance.takePicture();
if (macOSimg == null) {
Logging.instance
.log("Failed to capture image", level: LogLevel.Error);
await Future.delayed(const Duration(milliseconds: 250));
continue;
}
final img.Image? image = img.decodeImage(macOSimg.bytes!);
if (image == null) {
Logging.instance
.log("Failed to capture image", level: LogLevel.Error);
await Future.delayed(const Duration(milliseconds: 250));
continue;
}
base64Image = base64Encode(Uint8List.fromList(img.encodePng(image)));
}
if (base64Image == null || base64Image.isEmpty) {
Logging.instance.log("Failed to capture image", level: LogLevel.Error);
Logging.instance
.log("Failed to capture image", level: LogLevel.Error);
await Future.delayed(const Duration(milliseconds: 250));
continue;
}
@ -2138,7 +2193,8 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
// Logging.instance.log("Failed to capture and scan image: $e\n$s", level: LogLevel.Error);
// Spammy.
if (mounted) {
widget.onSnackbar("Error capturing or scanning the image. Please try again.");
widget.onSnackbar(
"Error capturing or scanning the image. Please try again.");
}
}
}
@ -2155,7 +2211,8 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
.buffer
.asInt32List(),
);
final BinaryBitmap bitmap = BinaryBitmap(GlobalHistogramBinarizer(source));
final BinaryBitmap bitmap =
BinaryBitmap(GlobalHistogramBinarizer(source));
final QRCodeReader reader = QRCodeReader();
final qrDecode = reader.decode(bitmap);
@ -2194,13 +2251,14 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
Expanded(
child: _isCameraOpen
? _image != null
? _image!
? _image!
: const Center(
child: CircularProgressIndicator(),
)
: const Center(
child: CircularProgressIndicator(),
)
: const Center(
child: CircularProgressIndicator(), // Show progress indicator immediately
),
child:
CircularProgressIndicator(), // Show progress indicator immediately
),
),
Padding(
padding: const EdgeInsets.all(16),
@ -2226,9 +2284,10 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
final filePath = result.files.single.path!;
try {
final img.Image? image =
img.decodeImage(File(filePath).readAsBytesSync());
img.decodeImage(File(filePath).readAsBytesSync());
if (image == null) {
widget.onSnackbar("Failed to decode image. Please select a valid image file.");
widget.onSnackbar(
"Failed to decode image. Please select a valid image file.");
return;
}
@ -2240,8 +2299,10 @@ class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
widget.onSnackbar("No QR code found in the image.");
}
} catch (e, s) {
Logging.instance.log("Failed to decode image: $e\n$s", level: LogLevel.Error);
widget.onSnackbar("Error processing the image. Please try again.");
Logging.instance.log("Failed to decode image: $e\n$s",
level: LogLevel.Error);
widget.onSnackbar(
"Error processing the image. Please try again.");
}
},
),