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rust ffi for rgba

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This commit is contained in:
open-trade 2020-11-17 18:10:49 +08:00
parent 0ee311b5e2
commit 676278920f
1 changed files with 13 additions and 0 deletions
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13
flutter_hbb/lib/common.dart
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@ -7,6 +7,12 @@ import 'dart:async';
import 'dart:convert'; import 'dart:convert';
import 'package:flutter_easyloading/flutter_easyloading.dart'; import 'package:flutter_easyloading/flutter_easyloading.dart';
class RgbaFrame extends Struct {
@Uint32()
int len;
Pointer<Uint8> data;
}
class HexColor extends Color { class HexColor extends Color {
HexColor(final String hexColor) : super(_getColorFromHex(hexColor)); HexColor(final String hexColor) : super(_getColorFromHex(hexColor));
@ -28,6 +34,8 @@ class MyTheme {
typedef F1 = void Function(Pointer<Utf8>); typedef F1 = void Function(Pointer<Utf8>);
typedef F2 = Pointer<Utf8> Function(Pointer<Utf8>, Pointer<Utf8>); typedef F2 = Pointer<Utf8> Function(Pointer<Utf8>, Pointer<Utf8>);
typedef F3 = void Function(Pointer<Utf8>, Pointer<Utf8>); typedef F3 = void Function(Pointer<Utf8>, Pointer<Utf8>);
typedef F4 = void Function(Pointer<RgbaFrame>);
typedef F5 = Pointer<RgbaFrame> Function();
// https://juejin.im/post/6844903864852807694 // https://juejin.im/post/6844903864852807694
class FfiModel with ChangeNotifier { class FfiModel with ChangeNotifier {
@ -45,6 +53,8 @@ class FFI {
static F1 _freeCString; static F1 _freeCString;
static F2 _getByName; static F2 _getByName;
static F3 _setByName; static F3 _setByName;
static F4 _freeRgba;
static F5 _getRgba;
static String getId() { static String getId() {
return getByName("remote_id"); return getByName("remote_id");
@ -116,6 +126,9 @@ class FFI {
'set_by_name'); 'set_by_name');
_freeCString = dylib _freeCString = dylib
.lookupFunction<Void Function(Pointer<Utf8>), F1>('rust_cstr_free'); .lookupFunction<Void Function(Pointer<Utf8>), F1>('rust_cstr_free');
_freeRgba = dylib
.lookupFunction<Void Function(Pointer<RgbaFrame>), F4>('free_rgba');
_getRgba = dylib.lookupFunction<F5, F5>('get_rgba');
final dir = (await getApplicationDocumentsDirectory()).path; final dir = (await getApplicationDocumentsDirectory()).path;
setByName("init", dir); setByName("init", dir);
} }