library/src/main/java/com/lqr/imagepicker/ui/ImageCropActivity.java

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package com.lqr.imagepicker.ui;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.lqr.imagepicker.ImagePicker;
import com.lqr.imagepicker.R;
import com.lqr.imagepicker.bean.ImageItem;
import com.lqr.imagepicker.view.CropImageView;

import java.io.File;
import java.util.ArrayList;

public class ImageCropActivity extends ImageBaseActivity implements View.OnClickListener, CropImageView.OnBitmapSaveCompleteListener {

    private CropImageView mCropImageView;
    private Bitmap mBitmap;
    private boolean mIsSaveRectangle;
    private int mOutputX;
    private int mOutputY;
    private ArrayList<ImageItem> mImageItems;
    private ImagePicker imagePicker;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_image_crop);

        imagePicker = ImagePicker.getInstance();

        //初始化View
        findViewById(R.id.btn_back).setOnClickListener(this);
        Button btn_ok = (Button) findViewById(R.id.btn_ok);
        btn_ok.setText(getString(R.string.complete));
        btn_ok.setOnClickListener(this);
        TextView tv_des = (TextView) findViewById(R.id.tv_des);
        tv_des.setText(getString(R.string.photo_crop));
        mCropImageView = (CropImageView) findViewById(R.id.cv_crop_image);
        mCropImageView.setOnBitmapSaveCompleteListener(this);

        //获取需要的参数
        mOutputX = imagePicker.getOutPutX();
        mOutputY = imagePicker.getOutPutY();
        mIsSaveRectangle = imagePicker.isSaveRectangle();
        mImageItems = imagePicker.getSelectedImages();
        String imagePath = mImageItems.get(0).path;

        mCropImageView.setFocusStyle(imagePicker.getStyle());
        mCropImageView.setFocusWidth(imagePicker.getFocusWidth());
        mCropImageView.setFocusHeight(imagePicker.getFocusHeight());

        //缩放图片
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;