/*
 *
 *  * Copyright (C) 2015 Eason.Lai (easonline7@gmail.com)
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *      http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */

package com.pizidea.imagepicker;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.os.Environment;
import android.util.Log;
import android.util.TypedValue;

import com.nostra13.universalimageloader.utils.L;

/**
 * <b>desc your class</b><br/>
 * Created by Eason.Lai on 2015/11/1 10:42 <br/>
 * contact：easonline7@gmail.com <br/>
 */
public class Util {

    /**
     * Convert a dp float value to pixels
     * @param context
     * @param dp
     * @return the responsive pixels
     */
    public static int dp2px(Context context, float dp) {
        float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics());
        return Math.round(px);
    }

    public static boolean isStorageEnable(){
        Log.e("test", "langneng isStorageEnable getExternalStorageState");
        String sdStatus = Environment.getExternalStorageState();
        if(!sdStatus.equals(Environment.MEDIA_MOUNTED)) {
            L.d("TestFile", "SD card is not available/writable right now.");
            return false;
        }
        return true;
    }

    // Rotates the bitmap by the specified degree.
    // If a new bitmap is created, the original bitmap is recycled.
    public static Bitmap rotate(Bitmap b, int degrees) {
        if (degrees != 0 && b != null) {
            Matrix m = new Matrix();
            m.setRotate(degrees, (float) b.getWidth() / 2, (float) b.getHeight() / 2);
            try {
                Bitmap b2 = Bitmap.createBitmap(b, 0, 0, b.getWidth(), b.getHeight(), m, true);
                if (b != b2) {
                    b.recycle();
                    b = b2;
                }
            } catch (OutOfMemoryError ex) {
                // We have no memory to rotate. Return the original bitmap.
            }
        }
        return b;
    }

    private Util() {
        throw new AssertionError("No Instances");
    }

}