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Merge pull request #32 from fluttercandies/mix-image
mix image
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.pub/ | ||
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build/ | ||
.settings | ||
.settings | ||
.idea/ |
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20 changes: 20 additions & 0 deletions
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android/src/main/kotlin/top/kikt/flutter_image_editor/option/MixImageOpt.kt
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package top.kikt.flutter_image_editor.option | ||
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import android.graphics.PorterDuff | ||
import top.kikt.flutter_image_editor.util.ConvertUtils | ||
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class MixImageOpt(map: Map<*, *>) : Option { | ||
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val img: ByteArray = (map["target"] as Map<*, *>)["memory"] as ByteArray | ||
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val x = map["x"] as Int | ||
val y = map["y"] as Int | ||
val w = map["w"] as Int | ||
val h = map["h"] as Int | ||
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private val type = map["mixMode"] as String | ||
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val porterDuffMode: PorterDuff.Mode | ||
get() = ConvertUtils.convertToPorterDuffMode(type) | ||
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} |
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/// generate by resouce_generator library, shouldn't edit. | ||
/// Generate by [resource_generator](https://github.com/CaiJingLong/flutter_resource_generator) library. | ||
/// PLEASE DO NOT EDIT MANUALLY. | ||
class R { | ||
/// ![preview](file:///Users/cai/Documents/GitHub/flutter_image_editor/example/./assets/have-exif-3.jpg) | ||
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/// ![preview](file:///Volumes/Samsung-T5/code/flutter/plugins/flutter_image_editor/example/./assets/dst.png) | ||
static const String ASSETS_DST_PNG = "assets/dst.png"; | ||
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/// ![preview](file:///Volumes/Samsung-T5/code/flutter/plugins/flutter_image_editor/example/./assets/have-exif-3.jpg) | ||
static const String ASSETS_HAVE_EXIF_3_JPG = "assets/have-exif-3.jpg"; | ||
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/// ![preview](file:///Users/cai/Documents/GitHub/flutter_image_editor/example/./assets/icon.png) | ||
/// ![preview](file:///Volumes/Samsung-T5/code/flutter/plugins/flutter_image_editor/example/./assets/icon.png) | ||
static const String ASSETS_ICON_PNG = "assets/icon.png"; | ||
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/// ![preview](file:///Volumes/Samsung-T5/code/flutter/plugins/flutter_image_editor/example/./assets/src.png) | ||
static const String ASSETS_SRC_PNG = "assets/src.png"; | ||
} |
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import 'dart:typed_data'; | ||
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import 'package:flutter/material.dart'; | ||
import 'package:flutter/services.dart'; | ||
import 'package:flutter_image_editor_example/const/resource.dart'; | ||
import 'package:image_editor/image_editor.dart'; | ||
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class MixImagePage extends StatefulWidget { | ||
@override | ||
_MixImagePageState createState() => _MixImagePageState(); | ||
} | ||
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class _MixImagePageState extends State<MixImagePage> { | ||
ImageProvider image; | ||
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var blendMode = BlendMode.srcOver; | ||
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@override | ||
Widget build(BuildContext context) { | ||
return Scaffold( | ||
appBar: AppBar( | ||
title: Text('mix image'), | ||
), | ||
body: Column( | ||
children: <Widget>[ | ||
AspectRatio( | ||
aspectRatio: 2 / 1, | ||
child: Row( | ||
children: <Widget>[ | ||
AspectRatio( | ||
aspectRatio: 1, | ||
child: Image.asset(R.ASSETS_SRC_PNG), | ||
), | ||
AspectRatio( | ||
aspectRatio: 1, | ||
child: Image.asset(R.ASSETS_DST_PNG), | ||
), | ||
], | ||
), | ||
), | ||
Container( | ||
width: 270, | ||
height: 270, | ||
child: image != null | ||
? Image( | ||
image: image, | ||
) | ||
: Container(), | ||
), | ||
DropdownButton<BlendMode>( | ||
items: supportBlendModes.map((e) => _buildItem(e)).toList(), | ||
onChanged: _onChange, | ||
value: blendMode, | ||
), | ||
RaisedButton( | ||
child: Text('mix'), | ||
onPressed: () { | ||
mix(); | ||
}, | ||
), | ||
], | ||
), | ||
); | ||
} | ||
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DropdownMenuItem<BlendMode> _buildItem(BlendMode e) { | ||
return DropdownMenuItem( | ||
child: Text(e.toString()), | ||
value: e, | ||
); | ||
} | ||
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void _onChange(BlendMode value) { | ||
setState(() { | ||
this.blendMode = value; | ||
}); | ||
} | ||
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void mix() async { | ||
final src = await loadFromAsset(R.ASSETS_SRC_PNG); | ||
final dst = await loadFromAsset(R.ASSETS_DST_PNG); | ||
final optionGroup = ImageEditorOption(); | ||
optionGroup.outputFormat = OutputFormat.png(); | ||
optionGroup.addOption( | ||
MixImageOption( | ||
x: 300, | ||
y: 300, | ||
width: 150, | ||
height: 150, | ||
target: MemoryImageSource(src), | ||
blendMode: blendMode, | ||
), | ||
); | ||
final result = | ||
await ImageEditor.editImage(image: dst, imageEditorOption: optionGroup); | ||
this.image = MemoryImage(result); | ||
setState(() {}); | ||
} | ||
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Future<Uint8List> loadFromAsset(String key) async { | ||
final byteData = await rootBundle.load(key); | ||
return byteData.buffer.asUint8List(); | ||
} | ||
} |
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