Android Open Source - slider Image Factory

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License

The source code is released under:

Apache License

Java Source Code

package de.devisnik.android.sliding;
//from   w  w  w.j a va2  s .  c om
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.BitmapFactory.Options;
import de.devisnik.sliding.Point;

public class ImageFactory {

  private static final String TAG = "ImageFactory";
  private String itsImagePath;
  private int itsMinSize;

  public ImageFactory() {
  }

  public Bitmap createFromPath(String imagePath, int minSize) {
    itsImagePath = imagePath;
    itsMinSize = minSize;
    return createBitmapFromPath();
  }

  private Bitmap createBitmapFromPath() {
    int sampleSize = computeSampleSize();
    Logger.d(TAG, "samplesize: " + sampleSize);
    Options options = new BitmapFactory.Options();
    options.inSampleSize = sampleSize;
    Bitmap bitmap = BitmapFactory.decodeFile(itsImagePath, options);
    Logger.d(TAG, "bitmapsize: " + options.outWidth + ", " + options.outHeight);
    return bitmap;
  }

  private Point computeImageSize() {
    Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeFile(itsImagePath, options);
    return new Point(options.outWidth, options.outHeight);
  }

  private int computeSampleSize() {
    Point imageSize = computeImageSize();
    Logger.d(TAG, "imagesize: " + imageSize);
    Point ratio = Point.divide(imageSize, itsMinSize);
    return ratio.min();
  }
}

Java Source Code List

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