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rgba -> image

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This commit is contained in:
open-trade
2020-11-18 00:28:55 +08:00
parent 676278920f
commit 1a3a2cf6c7
3 changed files with 59 additions and 27 deletions
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42
flutter_hbb/lib/common.dart
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@@ -6,6 +6,7 @@ import 'dart:ffi';
import 'dart:async';
import 'dart:convert';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'dart:typed_data';
class RgbaFrame extends Struct {
@Uint32()
@@ -55,14 +56,15 @@ class FFI {
static F3 _setByName;
static F4 _freeRgba;
static F5 _getRgba;
static Pointer<RgbaFrame> _lastRgbaFrame;
static String getId() {
return getByName("remote_id");
return getByName('remote_id');
}
static List<Peer> peers() {
try {
List<dynamic> peers = json.decode(getByName("peers"));
List<dynamic> peers = json.decode(getByName('peers'));
return peers
.map((s) => s as List<dynamic>)
.map((s) =>
@@ -75,12 +77,25 @@ class FFI {
}
static void connect(String id) {
setByName("connect", id);
setByName('connect', id);
}
static void _clearRgbaFrame() {
if (_lastRgbaFrame != null && _lastRgbaFrame != nullptr)
_freeRgba(_lastRgbaFrame);
}
static Uint8List getRgba() {
_clearRgbaFrame();
_lastRgbaFrame = _getRgba();
if (_lastRgbaFrame == null || _lastRgbaFrame == nullptr) return null;
final ref = _lastRgbaFrame.ref;
return Uint8List.sublistView(ref.data.asTypedList(ref.len));
}
static Map<String, String> popEvent() {
var s = getByName("event");
if (s == "") return null;
var s = getByName('event');
if (s == '') return null;
try {
Map<String, String> event = json.decode(s);
return event;
@@ -92,24 +107,25 @@ class FFI {
static void login(String password, bool remember) {
setByName(
"login",
'login',
json.encode({
"password": password,
"remember": remember ? "true" : "false",
'password': password,
'remember': remember ? 'true' : 'false',
}));
}
static void close() {
setByName("close", "");
_clearRgbaFrame();
setByName('close', '');
}
static void setByName(String name, String value) {
_setByName(Utf8.toUtf8(name), Utf8.toUtf8(value));
}
static String getByName(String name, {String arg = ""}) {
static String getByName(String name, {String arg = ''}) {
var p = _getByName(Utf8.toUtf8(name), Utf8.toUtf8(arg));
assert(p != null);
assert(p != nullptr && p != null);
var res = Utf8.fromUtf8(p);
// https://github.com/brickpop/flutter-rust-ffi
_freeCString(p);
@@ -130,7 +146,7 @@ class FFI {
.lookupFunction<Void Function(Pointer<RgbaFrame>), F4>('free_rgba');
_getRgba = dylib.lookupFunction<F5, F5>('get_rgba');
final dir = (await getApplicationDocumentsDirectory()).path;
setByName("init", dir);
setByName('init', dir);
}
}
@@ -162,7 +178,7 @@ void showSuccess(String text) {
// https://material.io/develop/flutter/components/dialogs
void enterPasswordDialog(String id, BuildContext context) {
var remember = FFI.getByName("remember", arg: id) == "true";
var remember = FFI.getByName('remember', arg: id) == 'true';
var dialog = AlertDialog(
title: Text('Please enter your password'),
contentPadding: EdgeInsets.zero,