//package com.day.util;
import java.io.FileNotFoundException;
import java.io.IOException;
import android.content.ContentResolver;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.util.Log;
public class ImageResize {
private Context mContext;
private int mWidth;
private int mHeight;
private Uri mImageUri;
private BitmapFactory.Options mBitMapOptions;
private Bitmap mBitMap;
private Bitmap tempBitMap;
public ImageResize(Context context, int width, int height, Uri imgUri){
this.mContext = context;
this.mWidth = width;
this.mHeight = height;
this.mImageUri = imgUri;
}
public Bitmap getResizeImage(){
ContentResolver resolver = mContext.getContentResolver();
mBitMapOptions = new BitmapFactory.Options();
if(mImageUri != null){
ParcelFileDescriptor fd = null;
try {
fd = resolver.openFileDescriptor(mImageUri, "r");
int sampleSize = 1;
mBitMapOptions.inJustDecodeBounds = true;
BitmapFactory.decodeFileDescriptor(fd.getFileDescriptor(), null, mBitMapOptions);
int nextWidth = mBitMapOptions.outWidth >> 1;
int nextHeight = mBitMapOptions.outHeight >> 1;
while(nextWidth > mWidth && nextHeight > mHeight){
sampleSize <<= 1;
nextWidth >>= 1;
nextHeight >>= 1;
}
mBitMapOptions.inSampleSize = sampleSize;
mBitMapOptions.inJustDecodeBounds = false;
mBitMap = BitmapFactory.decodeFileDescriptor(fd.getFileDescriptor(), null, mBitMapOptions);
Log.d("Result","Image use Size : " +mWidth+"," +mHeight);
Log.d("Result","Image Size : " +mBitMap.getWidth()+"," + mBitMap.getHeight());
Log.d("Result","aa : " +(mWidth*mBitMap.getHeight())/mBitMap.getWidth());
if(mBitMap!=null){
if(mBitMapOptions.outWidth != mWidth || mBitMapOptions.outHeight != mHeight){
//??????? : ???? ???????? = (???? ???????? * ?????????) / ?????????
tempBitMap = Bitmap.createScaledBitmap(mBitMap, mWidth, (mWidth*mBitMap.getHeight())/mBitMap.getWidth(), true);
mBitMap.recycle();
mBitMap = tempBitMap;
}
}
return mBitMap;
} catch (FileNotFoundException e) {
Log.e(getClass().getSimpleName(), e.getMessage(), e);
} finally {
try { if(fd != null) fd.close(); } catch (IOException e) { Log.e(getClass().getSimpleName(), e.getMessage(), e);}
if(mBitMap != null) mBitMap = null;
if(tempBitMap != null) tempBitMap = null;
}
}
return null;
}
}