package com.gh.common.view;

import android.content.Context;
import android.graphics.Bitmap;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.widget.ImageView;
import android.widget.RelativeLayout;

import java.io.*;

public class CropImageCustom extends RelativeLayout {

    private CropImageZoomView mZoomImageView;
    private CropImageBorderView mClipImageView;

    private int mHorizontalPadding = 20;

    public CropImageCustom(Context context, AttributeSet attrs) {
        super(context, attrs);

        mZoomImageView = new CropImageZoomView(context);
        mClipImageView = new CropImageBorderView(context);

        android.view.ViewGroup.LayoutParams lp = new LayoutParams(
                android.view.ViewGroup.LayoutParams.MATCH_PARENT,
                android.view.ViewGroup.LayoutParams.MATCH_PARENT);

        this.addView(mZoomImageView, lp);
        this.addView(mClipImageView, lp);

        // 计算padding的px
        mHorizontalPadding = (int) TypedValue.applyDimension(
                TypedValue.COMPLEX_UNIT_DIP, mHorizontalPadding, getResources()
                        .getDisplayMetrics());
        mZoomImageView.setHorizontalPadding(mHorizontalPadding);
        mClipImageView.setHorizontalPadding(mHorizontalPadding);
    }

    /**
     * 对外公布设置边距的方法,单位为dp
     *
     * @param mHorizontalPadding
     */
    public void setHorizontalPadding(int mHorizontalPadding) {
        this.mHorizontalPadding = mHorizontalPadding;
    }

    /**
     * 裁切图片
     *
     * @return
     */
    public Bitmap clip() {
        return mZoomImageView.clip();
    }

    public boolean savePicture(String path) {
        Bitmap bitmap = mZoomImageView.clip();
        File file = new File(path);
        int quality = 80;
        do {
            try {
                BufferedOutputStream bos = new BufferedOutputStream(
                        new FileOutputStream(file));
                bitmap.compress(Bitmap.CompressFormat.JPEG, quality, bos);
                bos.flush();
                bos.close();
            } catch (IOException e) {
                file.delete();
                e.printStackTrace();
                return false;
            }
            quality -= 10;
        } while (file.length() > 81920);
        return true;
    }

    public ImageView getCropImageZoomView() {
        return mZoomImageView;
    }

    public void setBitmap(Bitmap bitmap) {
        mZoomImageView.setImageBitmap(bitmap);
    }

}