✨ Expose ImageFormatGroup

Author: AlexV525

README-ZH.md

@@ -58,6 +58,7 @@ Flutter SDK：`>=1.20.0` 。
 | textDelegate                 | `CameraPickerTextDelegate`     | 控制部件中的文字实现                                             | `DefaultCameraPickerTextDelegate`      |
 | resolutionPreset             | `ResolutionPreset`             | 相机的分辨率预设                                                 | `ResolutionPreset.max`                 |
 | cameraQuarterTurns           | `int`                          | 摄像机视图顺时针旋转次数，每次90度                               | `0`                                    |
+| imageFormatGroup             | `ImageFormatGroup`             | 输出图像的格式描述                                        | `ImageFormatGroup.jpeg`                |
 | foregroundBuilder            | `Widget Function(CameraValue)` | 覆盖在相机预览上方的前景构建                                   | null                                   |
 
 ### 简单的使用方法

README.md

@@ -84,6 +84,7 @@ Reference:
 | textDelegate                 | `CameraPickerTextDelegate`     | Text delegate that controls text in widgets.                                                | `DefaultCameraPickerTextDelegate`      |
 | resolutionPreset             | `ResolutionPreset`             | Present resolution for the camera.                                                          | `ResolutionPreset.max`                 |
 | cameraQuarterTurns           | `int`                          | The number of clockwise quarter turns the camera view should be rotated.                    | `0`                                    |
+| imageFormatGroup             | `ImageFormatGroup`             | Describes the output of the raw image format.                                               | `ImageFormatGroup.jpeg`                |
 | foregroundBuilder            | `Widget Function(CameraValue)` | The foreground widget builder which will cover the whole camera preview.                    | null                                   |
 
 ### Simple usage

lib/src/widget/camera_picker.dart

@@ -38,6 +38,7 @@ class CameraPicker extends StatefulWidget {
     this.maximumRecordingDuration = const Duration(seconds: 15),
     this.theme,
     this.resolutionPreset = ResolutionPreset.max,
+    this.imageFormatGroup = ImageFormatGroup.jpeg,
     this.cameraQuarterTurns = 0,
     this.foregroundBuilder,
     CameraPickerTextDelegate textDelegate,
@@ -108,6 +109,13 @@ class CameraPicker extends StatefulWidget {
   /// 相机的分辨率预设
   final ResolutionPreset resolutionPreset;
 
+  /// The [ImageFormatGroup] describes the output of the raw image format.
+  /// 输出图像的格式描述
+  ///
+  /// When null the imageFormat will fallback to the platforms default.
+  /// 为空时将使用平台默认值
+  final ImageFormatGroup imageFormatGroup;
+
   /// The foreground widget builder which will cover the whole camera preview.
   /// 覆盖在相机预览上方的前景构建
   final Widget Function(CameraValue) foregroundBuilder;
@@ -127,6 +135,7 @@ class CameraPicker extends StatefulWidget {
     int cameraQuarterTurns = 0,
     CameraPickerTextDelegate textDelegate,
     ResolutionPreset resolutionPreset = ResolutionPreset.max,
+    ImageFormatGroup imageFormatGroup = ImageFormatGroup.jpeg,
     Widget Function(CameraValue) foregroundBuilder,
   }) async {
     if (enableRecording != true && onlyEnableRecording == true) {
@@ -152,6 +161,7 @@ class CameraPicker extends StatefulWidget {
           cameraQuarterTurns: cameraQuarterTurns,
           textDelegate: textDelegate,
           resolutionPreset: resolutionPreset,
+          imageFormatGroup: imageFormatGroup,
           foregroundBuilder: foregroundBuilder,
         ),
         transitionCurve: Curves.easeIn,
@@ -449,6 +459,7 @@ class CameraPickerState extends State<CameraPicker>
         cameraDescription ?? cameras[0],
         widget.resolutionPreset,
         enableAudio: enableAudio,
+        imageFormatGroup: widget.imageFormatGroup,
       )..addListener(() {
           if (controller.value.hasError) {
             realDebugPrint('Camera error ${controller.value.errorDescription}');