001: /*
002: * Licensed to the Apache Software Foundation (ASF) under one or more
003: * contributor license agreements. See the NOTICE file distributed with
004: * this work for additional information regarding copyright ownership.
005: * The ASF licenses this file to You under the Apache License, Version 2.0
006: * (the "License"); you may not use this file except in compliance with
007: * the License. You may obtain a copy of the License at
008: *
009: * http://www.apache.org/licenses/LICENSE-2.0
010: *
011: * Unless required by applicable law or agreed to in writing, software
012: * distributed under the License is distributed on an "AS IS" BASIS,
013: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014: * See the License for the specific language governing permissions and
015: * limitations under the License.
016: */
017: /**
018: * @author Sergey V. Kuksenko
019: * @version $Revision$
020: */package org.apache.harmony.awt.nativebridge;
021:
022: public class Int32Pointer extends VoidPointer {
023:
024: private static final int INT32_SIZE_FACTOR = 4;
025:
026: Int32Pointer(int size, boolean direct) {
027: super (size * INT32_SIZE_FACTOR, direct);
028: }
029:
030: Int32Pointer(VoidPointer p) {
031: super (p);
032: }
033:
034: Int32Pointer(long addr) {
035: super (addr);
036: }
037:
038: Int32Pointer(ByteBase base) {
039: super (base);
040: }
041:
042: /** returns the number of elements in array referenced by this object. If size is unknown returns -1. */
043: @Override
044: public int size() {
045: return byteBase.size() / INT32_SIZE_FACTOR;
046: }
047:
048: /** returns the element at the specified position. */
049: public int get(int index) {
050: return byteBase.getInt32(index * INT32_SIZE_FACTOR);
051: }
052:
053: /** sets the element at the specified position. */
054: public void set(int index, int value) {
055: byteBase.setInt32(index * INT32_SIZE_FACTOR, value);
056: }
057:
058: /**
059: * This method transfers int values into the given destination array.
060: *
061: * @param dst - The array into which values are to be written
062: * @param offset - The offset within the array of the first element to be written;
063: * must be non-negative and no larger than dst.length
064: * @param length - The maximum number of elements to be written to the given array;
065: * must be non-negative and no larger than dst.length - offset
066: */
067: public void get(int[] dst, int offset, int length) {
068: byteBase.getInt32(dst, offset, length);
069: }
070:
071: /**
072: * This method transfers short values from the given destination array.
073: *
074: * @param src - The array from which values are to be read
075: * @param offset - The offset within the array of the first element to be read;
076: * must be non-negative and no larger than dst.length
077: * @param length - The maximum number of elements to be read from the given array;
078: * must be non-negative and no larger than dst.length - offset
079: */
080: public void set(int[] src, int offset, int length) {
081: byteBase.setInt32(src, offset, length);
082: }
083:
084: /**
085: * returns class that represents the pointer to specified index.
086: */
087: public Int32Pointer getElementPointer(int index) {
088: return new Int32Pointer(byteBase.getBytesBaseElementPointer(
089: index * INT32_SIZE_FACTOR, INT32_SIZE_FACTOR));
090: }
091:
092: /**
093: * Fills the memory with the gven value
094: * @param value
095: * @param size
096: */
097: public void fill(int value, int size) {
098: int this Size = size();
099: for (int i = 0; i < size && i < thisSize; i++) {
100: byteBase.setInt32(i * INT32_SIZE_FACTOR, value);
101: }
102: }
103: }
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