【首發】AndroidStudio配置JavaCV環境

以上環境搭建完成

測試程序

圖片翻轉：

注：本代碼來自網絡，若作者要求停止使用，請聯系本人立即刪除

package com.act.studiotestjavacv;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;

import static com.googlecode.javacv.cpp.opencv_core.IPL_DEPTH_8U;
import static com.googlecode.javacv.cpp.opencv_core.cvFlip;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.widget.ImageView;

import com.googlecode.javacv.cpp.opencv_core.IplImage;

public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ImageView imageView = (ImageView) findViewById(R.id.img1);
        imageView.setImageResource(R.drawable.p4);
        // 實例化控件
        ImageView img = (ImageView) findViewById(R.id.img);
        // 創建圖像, p4是隨便找的一張圖像，這裡可以自己隨便找一張圖片代替
        Drawable drawable = idToDrawable(R.drawable.p4);
        Bitmap bitmap = this.drawableToBitmap(drawable);
        // 將Bitmap轉化為IplImage
        IplImage iplImage = this.bitmapToIplImage(bitmap);
        // 處理圖像，比如旋轉圖像
        cvFlip(iplImage, iplImage, 0);
        // 再將IplImage轉化為Bitmap
        bitmap = this.IplImageToBitmap(iplImage);
        img.setImageBitmap(bitmap);

    }

    /**
     * IplImage轉化為Bitmap
     * @param iplImage
     * @return
     */
    public Bitmap IplImageToBitmap(IplImage iplImage) {
        Bitmap bitmap = null;
        bitmap = Bitmap.createBitmap(iplImage.width(), iplImage.height(),
                Bitmap.Config.ARGB_8888);
        bitmap.copyPixelsFromBuffer(iplImage.getByteBuffer());
        return bitmap;
    }

    /**
     * Bitmap轉化為IplImage
     * @param bitmap
     * @return
     */
    public IplImage bitmapToIplImage(Bitmap bitmap) {
        IplImage iplImage;
        iplImage = IplImage.create(bitmap.getWidth(), bitmap.getHeight(),
                IPL_DEPTH_8U, 4);
        bitmap.copyPixelsToBuffer(iplImage.getByteBuffer());
        return iplImage;
    }

    /**
     * 將資源ID轉化為Drawable
     * @param id
     * @return
     */
    public Drawable idToDrawable(int id) {
        return this.getResources().getDrawable(R.drawable.p4);
    }

    /**
     * 將Drawable轉化為Bitmap
     * @param drawable
     * @return
     */
    public Bitmap drawableToBitmap(Drawable drawable) {
        if(drawable == null)
            return null;
        return ((BitmapDrawable)drawable).getBitmap();
    }
}