focussurfaceview's Introduction

FocusSurfaceView

该库大部分参考IsseiAoki的SimpleCropView https://github.com/IsseiAoki/SimpleCropView
实现了在相机的预览界面指定一个区域的大小，形状和位置，只拍摄该指定区域里的图像
支持 API Level 10 and above.

##使用方法：
在工程和module里的build.gradle分别添加

allprojects {
		repositories {
			...
			maven { url 'https://jitpack.io' }
		}
	}
dependencies {
	        compile 'com.github.CGmaybe10:FocusSurfaceView:v1.0.1'
	}

<com.cymaybe.foucsurfaceview.FocusSurfaceView
        android:id="@+id/preview_sv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@android:color/transparent"
        android:visibility="visible"
        app:focus_crop_height="267dp"
        app:focus_crop_width="200dp"
        app:focus_frame_can_change="true"
        app:focus_frame_color="@android:color/holo_green_dark"
        app:focus_frame_stroke_weight="1dp"
        app:focus_guide_color="@android:color/holo_green_dark"
        app:focus_guide_show_mode="not_show"
        app:focus_guide_stroke_weight="1dp"
        app:focus_handle_color="@android:color/holo_green_dark"
        app:focus_handle_show_mode="not_show"
        app:focus_handle_size="14dp"
        app:focus_min_frame_size="50dp"
        app:focus_mode="circle"
        app:focus_overlay_color="#66000000"
        app:focus_touch_padding="8dp"/>

private FocusSurfaceView previewSFV = (FocusSurfaceView) findViewById(R.id.preview_sv);
mCamera.autoFocus(new Camera.AutoFocusCallback() {
            @Override
            public void onAutoFocus(boolean success, Camera camera) {             
                    mCamera.takePicture(new Camera.ShutterCallback() {
                        @Override
                        public void onShutter() {
                        }
                    }, null, null, new Camera.PictureCallback() {
                        @Override
                        public void onPictureTaken(byte[] data, Camera camera) {
                            Bitmap cropBitmap = previewSFV.getPicture(data);                       
                        }
                    });
                }
            }
        });

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