1 /*
   2  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.java2d.xr;
  27 
  28 /**
  29  * Class to efficiently store rectangles.
  30  *
  31  * @author Clemens Eisserer
  32  */
  33 public class GrowableRectArray extends GrowableIntArray {
  34 
  35     private static final int RECT_SIZE = 4;
  36 
  37     public GrowableRectArray(int initialSize) {
  38         super(RECT_SIZE, initialSize);
  39     }
  40     
  41     public final void pushRectValues(int x, int y, int width, int height) {
  42         int currSize = size;
  43         size += RECT_SIZE;
  44 
  45         if (size >= array.length) {
  46             growArray();
  47         }
  48         
  49         array[currSize] = x;
  50         array[currSize + 1] = y;
  51         array[currSize + 2] = width;
  52         array[currSize + 3] = height;
  53     }
  54 
  55     public final void setX(int index, int x) {
  56         array[getCellIndex(index)] = x;
  57     }
  58 
  59     public final void setY(int index, int y) {
  60         array[getCellIndex(index) + 1] = y;
  61     }
  62 
  63     public final void setWidth(int index, int width) {
  64         array[getCellIndex(index) + 2] = width;
  65     }
  66 
  67     public final void setHeight(int index, int height) {
  68         array[getCellIndex(index) + 3] = height;
  69     }
  70 
  71     public final int getX(int index) {
  72         return array[getCellIndex(index)];
  73     }
  74 
  75     public final int getY(int index) {
  76         return array[getCellIndex(index) + 1];
  77     }
  78 
  79     public final int getWidth(int index) {
  80         return array[getCellIndex(index) + 2];
  81     }
  82 
  83     public final int getHeight(int index) {
  84         return array[getCellIndex(index) + 3];
  85     }
  86 
  87     public final void translateRects(int x, int y) {
  88         for (int i = 0; i < getSize(); i++) {
  89             setX(i, getX(i) + x);
  90             setY(i, getY(i) + y);
  91         }
  92     }
  93 }