image_editor 0.4.0+2 image_editor: ^0.4.0+2 copied to clipboard
Rotate ,flip, crop your image. Use objc/kotlin to handle it.
image_editor #
Support android ios, use the native way to flip, crop, rotate pictures.
The version of readme pub and github may be inconsistent, please refer to github.
Screenshot #
Platform of support #
Android, iOS.
Usage #
dependencies:
image_editor: ^0.4.0
Import
import 'package:image_editor/image_editor.dart';
Method list:
ImageEditor.editImage();
ImageEditor.editFileImage();
ImageEditor.editFileImageAndGetFile();
ImageEditor.editImageAndGetFile();
ImageEditor method params #
Name | Description |
---|---|
image | dart.typed_data.Uint8List |
file | dart.io.File |
imageEditorOption | flutter_image_editor.ImageEditorOption |
ImageEditorOption #
final editorOption = ImageEditorOption();
editorOption.addOption(FlipOption());
editorOption.addOption(ClipOption());
editorOption.addOption(RotateOption());
editorOption.addOption(); // and other option.
editorOption.outputFormat = OutputFormat.png(88);
Option #
Flip
FlipOption(horizontal:true, vertical:false);
Clip
ClipOption(x:0, y:0, width:1920, height:1920);
Rotate
RotateOption(degree: 180);
Color
ColorOption();
In android, it's use 5x4 matrix : https://developer.android.google.cn/reference/android/graphics/ColorMatrix.html
a, b, c, d, e,
f, g, h, i, j,
k, l, m, n, o,
p, q, r, s, t
In iOS, it's use 4x4 matrix. The last of line will be ignored.
a, b, c, d,
f, g, h, i,
k, l, m, n,
p, q, r, s
ScaleOption
ScaleOption(width,height);
After specifying the width and height, it is not clipped, but stretched to the specified width and height (Does not maintain the aspect ratio of the image).
OutputFormat #
var outputFormat = OutputFormat.png();
var outputFormat = OutputFormat.jpeg(95);
Common issue #
iOS #
Privacy of camera
Because, I include [GPUImage](https://github.com/BradLarson/GPUImage.git)
to handle image data, and the library have Camera api, so you must add next Usage String in info.plist. It was introduced in version 0.3.x, if you don't need the new features added after 0.3, you can keep using the old version.
Why need add it by apple
How to add it by apple
LICENSE #
MIT Style.
Third party #
Under BSD3 style: GPUImage
Under Apache 2.0 style: Some martix code come from android sdk.