Android Open Source - fireflies_android Utils

From Project

License

The source code is released under:

MIT License

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Java Source Code

package donothingbox.game.utils;
/* w ww  .  j  av a  2s.  co m*/
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.graphics.Point;
import android.view.View;

import java.util.Random;


public class Utils {

  public static float getRandomNumber(float minF, float maxF) {
    return (new Random().nextFloat() * (maxF - minF) + minF);
  }


  public static Bitmap getBitmapFromView(View paramView) {
    paramView.setDrawingCacheEnabled(true);
    paramView.measure(View.MeasureSpec.makeMeasureSpec(0, 0),
        View.MeasureSpec.makeMeasureSpec(0, 0));
    paramView.layout(0, 0, paramView.getMeasuredWidth(),
        paramView.getMeasuredHeight());
    paramView.buildDrawingCache(true);
    Bitmap localBitmap = Bitmap.createBitmap(paramView.getDrawingCache());
    paramView.setDrawingCacheEnabled(false);
    return localBitmap;
  }

  public static Bitmap getResizedBitmap(Bitmap paramBitmap, int paramInt1,
      int paramInt2) {
    int i = paramBitmap.getWidth();
    int j = paramBitmap.getHeight();
    float f1 = paramInt2 / i;
    float f2 = paramInt1 / j;
    Matrix localMatrix = new Matrix();
    localMatrix.postScale(f1, f2);
    return Bitmap.createBitmap(paramBitmap, 0, 0, i, j, localMatrix, false);
  }

  public static float lerp(float paramFloat1, float paramFloat2,
      float paramFloat3) {
    if (paramFloat3 < 0F)
      return paramFloat1;
    if (paramFloat3 > 1F)
      return paramFloat2;
    return (paramFloat1 + paramFloat3 * (paramFloat2 - paramFloat1));
  }

  public static int lerp(int paramInt1, int paramInt2, float paramFloat) {
    if (paramFloat < 0F)
      return paramInt1;
    if (paramFloat > 1F)
      return paramInt2;
    return Math.round(paramInt1 + paramFloat * (paramInt2 - paramInt1));
  }

  public static Point lerp(Point paramPoint1, Point paramPoint2,
      float paramFloat) {
    if (paramFloat < 0F)
      return paramPoint1;
    if (paramFloat > 1F)
      return paramPoint2;
    return new Point(lerp(paramPoint1.x, paramPoint2.x, paramFloat), lerp(
        paramPoint1.y, paramPoint2.y, paramFloat));
  }
}

Java Source Code List