Unscaled Bitmap Loader : Bitmap « 2D Graphics « Android






  1. Android
  2. 2D Graphics
  3. Bitmap

Unscaled Bitmap Loader

    
/*   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
   Copyright (c) 2010 Seleuco.
*/

//package com.seleuco.xpectrum.util;

import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.BitmapFactory.Options;
import android.os.Build;

public abstract class UnscaledBitmapLoader {

  public static final UnscaledBitmapLoader instance;
  public static boolean canScale = true;

  static {
    canScale = (Integer.parseInt(Build.VERSION.SDK) >= 4);
    instance = Integer.parseInt(Build.VERSION.SDK) < 4 ? new Old() : new New();
  }

  public static Bitmap loadFromResource(Resources resources, int resId,
      BitmapFactory.Options options) {
    return instance.load(resources, resId, options);
  }

  public static void setDensity(Bitmap bmp) {
    instance.setDen(bmp);
  }

  private static class Old extends UnscaledBitmapLoader {
    @Override
    Bitmap load(Resources resources, int resId, Options options) {
      return BitmapFactory.decodeResource(resources, resId, options);
    }

    void setDen(Bitmap bmp) {
    }
  }

  private static class New extends UnscaledBitmapLoader {
    @Override
    Bitmap load(Resources resources, int resId, Options options) {
      if (options == null)
        options = new BitmapFactory.Options();
      options.inScaled = false;
      return BitmapFactory.decodeResource(resources, resId, options);
    }

    @Override
    void setDen(Bitmap bmp) {
      bmp.setDensity(Bitmap.DENSITY_NONE);
    }
  }

  abstract Bitmap load(Resources resources, int resId,
      BitmapFactory.Options options);

  abstract void setDen(Bitmap bmp);
}








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