org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramScaledData.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.lttng.ui.views.histogram;
  14
  15 import java.util.Arrays;
  16
  17 /**
  18  * <b><u>HistogramScaledData</u></b>
  19  * <p>
  20  * Convenience class/struct for scaled histogram data.
  21  */
  22 public class HistogramScaledData {
  23
  24     // ------------------------------------------------------------------------
  25     // Constants
  26     // ------------------------------------------------------------------------
  27
  28     public static final int OUT_OF_RANGE_BUCKET = -1;
  29
  30     // ------------------------------------------------------------------------
  31     // Attributes
  32     // ------------------------------------------------------------------------
  33
  34     public int fWidth;
  35     public int fHeight;
  36     public int[] fData;
  37     public long fBucketDuration;
  38     public long fMaxValue;
  39     public int fCurrentBucket;
  40     public int fLastBucket;
  41     public double fScalingFactor;
  42
  43     // ------------------------------------------------------------------------
  44     // Constructor
  45     // ------------------------------------------------------------------------
  46
  47     public HistogramScaledData(int width, int height) {
  48         fWidth = width;
  49         fHeight = height;
  50         fData = new int[width];
  51         Arrays.fill(fData, 0);
  52         fBucketDuration = 1;
  53         fMaxValue = 0;
  54         fCurrentBucket = 0;
  55         fLastBucket = 0;
  56         fScalingFactor = 1;
  57     }
  58
  59     public HistogramScaledData(HistogramScaledData other) {
  60         fWidth = other.fWidth;
  61         fHeight = other.fHeight;
  62         fData = Arrays.copyOf(other.fData, fWidth);
  63         fBucketDuration = other.fBucketDuration;
  64         fMaxValue = other.fMaxValue;
  65         fCurrentBucket = other.fCurrentBucket;
  66         fLastBucket = other.fLastBucket;
  67         fScalingFactor = other.fScalingFactor;
  68     }
  69
  70 }