ImageUtils.java

/**
 * @Author Benson
 * @Time 2013-11-22
 */
package zjut.soft.finalwork.util;

import java.io.IOException;
import java.io.InputStream;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;

import zjut.soft.finalwork.core.YCApplication;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;

public class ImageUtils {

	public static Bitmap getBitmapFromServer(Context context, String imagePath) {

		HttpGet get = new HttpGet(imagePath);

		Bitmap pic = null;
		try {
			YCApplication application = (YCApplication) context
					.getApplicationContext();
			HttpResponse response = application.getClient().execute(get);
			HttpEntity entity = response.getEntity();
			InputStream is = entity.getContent();

			pic = BitmapFactory.decodeStream(is); // �ؼ���������

		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return pic;
	}

	public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
		Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),
				bitmap.getHeight(), Config.ARGB_8888);
		Canvas canvas = new Canvas(output);

		final int color = 0xff424242;
		final Paint paint = new Paint();
		final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
		final RectF rectF = new RectF(rect);
		final float roundPx = pixels;

		paint.setAntiAlias(true);
		canvas.drawARGB(0, 0, 0, 0);
		paint.setColor(color);
		canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

		paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
		canvas.drawBitmap(bitmap, rect, rect, paint);

		return output;
	}
}