aurora
/
flutter-plugins
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

[texture] Add OrientationChanged event and method

embedder_texture
Vitaliy Zarubin 1 year ago
parent
32a481b213
commit
ec4b86573c
5 changed files with 170 additions and 25 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 28
      packages/embedder_texture/aurora/embedder_texture_plugin.cpp
  2. 2
      packages/embedder_texture/aurora/include/embedder_texture/embedder_texture_plugin.h
  3. 127
      packages/embedder_texture/lib/embedder_texture.dart
  4. 33
      packages/embedder_texture/lib/embedder_texture_method_channel.dart
  5. 5
      packages/embedder_texture/lib/embedder_texture_platform_interface.dart

28
packages/embedder_texture/aurora/embedder_texture_plugin.cpp
Unescape View File

@ -4,6 +4,19 @@
*/
#include <embedder_texture/embedder_texture_plugin.h>
#include <flutter/method-channel.h>
#include <flutter/platform-data.h>
#include <flutter/platform-events.h>
#include <flutter/platform-methods.h>
EmbedderTexturePlugin::EmbedderTexturePlugin()
{
PlatformEvents::SubscribeOrientationChanged([this](DisplayRotation orientation) {
if (this->m_isEnableOrientationChanged) {
EventChannel("embedder_texture_orientation", MethodCodecType::Standard)
.SendEvent(static_cast<int>(orientation));
}
});
}
void EmbedderTexturePlugin::RegisterWithRegistrar(PluginRegistrar &registrar)
{
@ -14,6 +27,19 @@ void EmbedderTexturePlugin::RegisterWithRegistrar(PluginRegistrar &registrar)
registrar.RegisterMethodChannel("embedder_texture",
MethodCodecType::Standard,
[this](const MethodCall &call) { this->onMethodCall(call); });
registrar.RegisterEventChannel(
"embedder_texture_orientation",
MethodCodecType::Standard,
[this](const Encodable &) {
this->m_isEnableOrientationChanged = true;
return EventResponse();
},
[this](const Encodable &) {
this->m_isEnableOrientationChanged = false;
return EventResponse();
});
}
void EmbedderTexturePlugin::onMethodCall(const MethodCall &call)
@ -41,6 +67,8 @@ void EmbedderTexturePlugin::onCreate(const MethodCall &call)
auto result = m_camera->Register(cameraId, width, height);
result["orientation"] = static_cast<int>(PlatformMethods::GetOrientation());
call.SendSuccessResponse(result);
}

2
packages/embedder_texture/aurora/include/embedder_texture/embedder_texture_plugin.h
Unescape View File

@ -18,6 +18,7 @@
class PLUGIN_EXPORT EmbedderTexturePlugin final : public PluginInterface
{
public:
EmbedderTexturePlugin();
void RegisterWithRegistrar(PluginRegistrar &registrar) override;
private:
@ -28,6 +29,7 @@ private:
private:
Camera *m_camera;
bool m_isEnableOrientationChanged = false;
};
#endif /* EMBEDDER_TEXTURE_PLUGIN_H */

127
packages/embedder_texture/lib/embedder_texture.dart
Unescape View File

@ -1,8 +1,15 @@
import 'package:flutter/material.dart';
import 'embedder_texture_platform_interface.dart';
enum OrientationEvent {
undefined,
portrait,
landscape,
portraitFlipped,
landscapeFlipped,
}
class EmbedderTexture extends StatefulWidget {
const EmbedderTexture({
super.key,
@ -19,8 +26,9 @@ class EmbedderTexture extends StatefulWidget {
class _EmbedderTextureState extends State<EmbedderTexture> {
int _textureID = 0;
int _camera_width = 0;
int _camera_height = 0;
int _cameraWidth = 0;
int _cameraHeight = 0;
OrientationEvent _orientation = OrientationEvent.undefined;
@override
initState() {
@ -28,13 +36,39 @@ class _EmbedderTextureState extends State<EmbedderTexture> {
EmbedderTexturePlatform.instance
.create(widget.width, widget.height)
.then((data) => setState(() {
if (mounted) {
_textureID = data['textureId']!;
_camera_width = data['width']!;
_camera_height = data['height']!;
debugPrint(_textureID.toString());
}
}));
if (mounted) {
_textureID = data['textureId']!;
_cameraWidth = data['width']!;
_cameraHeight = data['height']!;
switch (data['orientation']!) {
case 0:
_orientation = OrientationEvent.portrait;
break;
case 90:
_orientation = OrientationEvent.landscape;
break;
case 180:
_orientation = OrientationEvent.portraitFlipped;
break;
case 270:
_orientation = OrientationEvent.landscapeFlipped;
break;
default:
_orientation = OrientationEvent.undefined;
}
debugPrint(data.toString());
}
}));
EmbedderTexturePlatform.instance.onChangeOrientation().listen((event) {
setState(() {
if (mounted) {
_orientation = event;
}
});
});
}
@override
@ -43,34 +77,83 @@ class _EmbedderTextureState extends State<EmbedderTexture> {
EmbedderTexturePlatform.instance.remove(_textureID);
}
// @override
// Widget build(BuildContext context) {
// if (_textureID != 0) {
// double w = 0;
// double h = 0;
// if (MediaQuery.of(context).orientation == Orientation.portrait) {
// w = _cameraWidth * widget.height / (widget.width - 40);
// h = widget.width - 40;
// } else {
// w = _cameraHeight.toDouble();
// h = widget.height - 40 - 56;
// }
// return Container(
// color: Colors.black,
// width: widget.width,
// height: widget.height,
// child: RotationTransition(
// turns: AlwaysStoppedAnimation(
// _orientation == OrientationEvent.portrait ? 90 / 360 : 0,
// ),
// child: SizedBox(
// width: w,
// height: h,
// child: Texture(textureId: _textureID),
// ),
// ),
// );
// }
// return const SizedBox.shrink();
// }
@override
Widget build(BuildContext context) {
if (_textureID != 0) {
double w = 0;
double h = 0;
if (MediaQuery.of(context).orientation == Orientation.portrait) {
w = _camera_width * widget.height / (widget.width - 40);
if (_orientation == OrientationEvent.portrait ||
_orientation == OrientationEvent.portraitFlipped) {
w = _cameraWidth * widget.height / (widget.width - 40);
h = widget.width - 40;
} else {
w = _camera_height.toDouble();
w = _cameraHeight.toDouble();
h = widget.height - 40 - 56;
}
AlwaysStoppedAnimation<double>? turns;
switch (_orientation) {
case OrientationEvent.portrait:
turns = const AlwaysStoppedAnimation(90 / 360);
break;
case OrientationEvent.portraitFlipped:
turns = const AlwaysStoppedAnimation(270 / 360);
break;
case OrientationEvent.landscapeFlipped:
turns = const AlwaysStoppedAnimation(180 / 360);
break;
default:
turns = const AlwaysStoppedAnimation(0);
}
return Container(
color: Colors.black,
width: widget.width,
height: widget.height,
child: Center(
child: RotationTransition(
turns: AlwaysStoppedAnimation(MediaQuery.of(context).orientation == Orientation.portrait ? 90 / 360 : 0),
child: SizedBox(
width: w,
height: h,
child: Texture(textureId: _textureID)
),
)
child: RotationTransition(
turns: turns,
child: SizedBox(
width: w,
height: h,
child: Texture(textureId: _textureID),
),
),
),
);
}

33
packages/embedder_texture/lib/embedder_texture_method_channel.dart
Unescape View File

@ -1,3 +1,4 @@
import 'package:embedder_texture/embedder_texture.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';
@ -11,7 +12,8 @@ class MethodChannelEmbedderTexture extends EmbedderTexturePlatform {
@override
Future<Map<dynamic, dynamic>> create(double width, double height) async {
final data = await methodChannel.invokeMethod<Map<dynamic, dynamic>?>('create', {
final data =
await methodChannel.invokeMethod<Map<dynamic, dynamic>?>('create', {
'width': width.round(),
'height': height.round(),
});
@ -21,7 +23,32 @@ class MethodChannelEmbedderTexture extends EmbedderTexturePlatform {
@override
Future<bool> remove(int textureId) async {
return await methodChannel.invokeMethod<bool>('remove', {
'textureId': textureId,
}) ?? false;
'textureId': textureId,
}) ??
false;
}
@override
Stream<OrientationEvent> onChangeOrientation() async* {
await for (final orientation
in const EventChannel('embedder_texture_orientation')
.receiveBroadcastStream()) {
switch (orientation) {
case 0:
yield OrientationEvent.portrait;
break;
case 90:
yield OrientationEvent.landscape;
break;
case 180:
yield OrientationEvent.portraitFlipped;
break;
case 270:
yield OrientationEvent.landscapeFlipped;
break;
default:
yield OrientationEvent.undefined;
}
}
}
}

5
packages/embedder_texture/lib/embedder_texture_platform_interface.dart
Unescape View File

@ -1,3 +1,4 @@
import 'package:embedder_texture/embedder_texture.dart';
import 'package:plugin_platform_interface/plugin_platform_interface.dart';
import 'embedder_texture_method_channel.dart';
@ -23,6 +24,10 @@ abstract class EmbedderTexturePlatform extends PlatformInterface {
_instance = instance;
}
Stream<OrientationEvent> onChangeOrientation() {
throw UnimplementedError('onChangeOrientation() has not been implemented.');
}
Future<Map<dynamic, dynamic>> create(double width, double height) {
throw UnimplementedError('create() has not been implemented.');
}

Write Preview
Loading…
Cancel
Save