Ecosystem/stack_wallet
1
0
Fork 0
mirror of https://github.com/cypherstack/stack_wallet.git synced 2025-01-18 16:44:32 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

poc of getting an image from webcam

Browse source 
but doesn't work as pushed, need to parse image correctly
This commit is contained in:
sneurlax 2024-07-12 11:34:26 -05:00 committed by julian-CStack
parent 32380c3ac1
commit f5ca4ffdd0
1 changed files with 127 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

127
lib/pages_desktop_specific/my_stack_view/wallet_view/sub_widgets/desktop_send.dart
View file

@ -10,6 +10,7 @@
import 'dart:async';
import 'package:camera_linux/camera_linux.dart';
import 'package:cw_core/monero_transaction_priority.dart';
import 'package:decimal/decimal.dart';
import 'package:dropdown_button2/dropdown_button2.dart';
@ -64,6 +65,7 @@ import '../../../../widgets/dialogs/firo_exchange_address_dialog.dart';
import '../../../../widgets/fee_slider.dart';
import '../../../../widgets/icon_widgets/addressbook_icon.dart';
import '../../../../widgets/icon_widgets/clipboard_icon.dart';
import '../../../../widgets/icon_widgets/qrcode_icon.dart';
import '../../../../widgets/icon_widgets/x_icon.dart';
import '../../../../widgets/rounded_container.dart';
import '../../../../widgets/stack_text_field.dart';
@ -139,6 +141,121 @@ class _DesktopSendState extends ConsumerState<DesktopSend> {
"Calculating..",
"Calculating...",
];
final _cameraLinuxPlugin = CameraLinux();
bool _isCameraOpen = false;
late String _base64Image;
@override
void initState() {
super.initState();
_initializeCamera();
}
// Below this point is WIP.
// Open Default Camera
Future<void> _initializeCamera() async {
await _cameraLinuxPlugin.initializeCamera();
}
// Capture The Image
Future<void> _captureImage() async {
_base64Image = await _cameraLinuxPlugin.captureImage();
setState(() {
_isCameraOpen = true;
});
return;
}
// Close The Camera
void _stopCamera() {
_cameraLinuxPlugin.stopCamera();
setState(() {
_isCameraOpen = false;
});
}
// WIP, copied from mobile view. Need to redo.
Future<void> _scanQr() async {
try {
// ref
// .read(
// shouldShowLockscreenOnResumeStateProvider
// .state)
// .state = false;
if (FocusScope.of(context).hasFocus) {
FocusScope.of(context).unfocus();
await Future<void>.delayed(const Duration(milliseconds: 75));
}
// final qrResult = await scanner.scan();
await _captureImage();
print("Image Captured: $_base64Image");
// Parse the base64 _base64Image to get the QR code data.
// TODO.
final results = AddressUtils.parseUri(
_base64Image); // Doesn't work (of course--need to parse image for QR then decode *that*).
Logging.instance.log("qrResult parsed: $results", level: LogLevel.Info);
if (results.isNotEmpty && results["scheme"] == coin.uriScheme) {
// auto fill address
_address = (results["address"] ?? "").trim();
sendToController.text = _address!;
// // autofill notes field
// if (results["message"] != null) {
// noteController.text = results["message"]!;
// } else if (results["label"] != null) {
// noteController.text = results["label"]!;
// }
// autofill amount field
if (results["amount"] != null) {
final Amount amount = Decimal.parse(results["amount"]!).toAmount(
fractionDigits: coin.fractionDigits,
);
cryptoAmountController.text = ref.read(pAmountFormatter(coin)).format(
amount,
withUnitName: false,
);
ref.read(pSendAmount.notifier).state = amount;
}
_setValidAddressProviders(_address);
setState(() {
_addressToggleFlag = sendToController.text.isNotEmpty;
});
// now check for non standard encoded basic address
} else if (ref
.read(pWallets)
.getWallet(walletId)
.cryptoCurrency
.validateAddress(qrResult.rawContent)) {
_address = qrResult.rawContent.trim();
sendToController.text = _address ?? "";
_setValidAddressProviders(_address);
setState(() {
_addressToggleFlag = sendToController.text.isNotEmpty;
});
}
} on PlatformException catch (e, s) {
// ref
// .read(
// shouldShowLockscreenOnResumeStateProvider
// .state)
// .state = true;
// here we ignore the exception caused by not giving permission
// to use the camera to scan a qr code
Logging.instance.log(
"Failed to get camera permissions while trying to scan qr code in SendView: $e\n$s",
level: LogLevel.Warning,
);
}
}
Future<void> previewSend() async {
final wallet = ref.read(pWallets).getWallet(walletId);
@ -1482,6 +1599,16 @@ class _DesktopSendState extends ConsumerState<DesktopSend> {
// onTap: scanQr,
// child: const QrCodeIcon(),
// )
if (sendToController.text.isEmpty)
TextFieldIconButton(
semanticsLabel:
"Scan QR Button. Opens Camera For Scanning QR Code.",
key: const Key(
"sendViewScanQrButtonKey",
),
onTap: _scanQr,
child: const QrCodeIcon(),
),
],
),
),