import ru.donstroy.parusamobile.MainActivity;
import android.app.ActivityManager;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.ImageView;

public class GalleryAdapter extends BaseAdapter{
    private int mGalleryItemBackground;
    private Context mContext;
    private final int[] mImage=VerboseMediaArhitechture.DataImg;

    public GalleryAdapter(Context сontext) {
        mContext = сontext;
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return mImage.length;
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return mImage[position];
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return mImage[position];
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        ImageView view = new ImageView(mContext);

        view.setImageBitmap(decodeSampledBitmapFromResource(MainActivity.resourcesApp, mImage[position],MainActivity.HightSreenSize/8,MainActivity.HightSreenSize/8););

        //view.setImageResource(mImage[position]);
        //view.setPadding(20,0, 20, 0);
        view.setLayoutParams(new Gallery.LayoutParams(MainActivity.WidthSreenSize/3, LayoutParams.WRAP_CONTENT));
        view.setScaleType(ImageView.ScaleType.FIT_XY);
        view.setBackgroundResource(mGalleryItemBackground);
        return view;
    }

    public static Bitmap decodeSampledBitmapFromResource(Resources res, int resId,int reqWidth, int reqHeight) {

        // First decode with inJustDecodeBounds=true to check dimensions
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeResource(res, resId, options);

        // Calculate inSampleSize
        options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);

        // Decode bitmap with inSampleSize set
        options.inJustDecodeBounds = false;
        return BitmapFactory.decodeResource(res, resId, options);
    }

    private static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
    // Raw height and width of image
    final int height = options.outHeight;
    final int width = options.outWidth;
    int inSampleSize = 1;

    if (height > reqHeight || width > reqWidth) {

        final int halfHeight = height / 2;
        final int halfWidth = width / 2;

        // Calculate the largest inSampleSize value that is a power of 2 and keeps both
        // height and width larger than the requested height and width.
        while ((halfHeight / inSampleSize) > reqHeight
                && (halfWidth / inSampleSize) > reqWidth) {
            inSampleSize *= 2;
        }
    }

    return inSampleSize;
}
}