| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /** |
| * @author Igor V. Stolyarov |
| * @version $Revision$ |
| */ |
| |
| package java.awt.image; |
| |
| /** |
| * The Class DataBufferInt is the subclass of DataBuffer for the case where the |
| * underlying data is of type integer. |
| * |
| * @since Android 1.0 |
| */ |
| public final class DataBufferInt extends DataBuffer { |
| |
| /** |
| * The data. |
| */ |
| int data[][]; |
| |
| /** |
| * Instantiates a new data buffer of type integer. |
| * |
| * @param dataArrays |
| * the data arrays to copy the data from. |
| * @param size |
| * the length (number of elements) to use from the data arrays. |
| * @param offsets |
| * the starting indices for reading the data from the internal |
| * data arrays. |
| */ |
| public DataBufferInt(int dataArrays[][], int size, int offsets[]) { |
| super(TYPE_INT, size, dataArrays.length, offsets); |
| data = dataArrays.clone(); |
| } |
| |
| /** |
| * Instantiates a new data buffer of type integer. |
| * |
| * @param dataArrays |
| * the data arrays to copy the data from. |
| * @param size |
| * the length (number of elements) to use from the data arrays. |
| */ |
| public DataBufferInt(int dataArrays[][], int size) { |
| super(TYPE_INT, size, dataArrays.length); |
| data = dataArrays.clone(); |
| } |
| |
| /** |
| * Instantiates a new data buffer of type integer with a single underlying |
| * array of data. |
| * |
| * @param dataArray |
| * the data array to copy the data from. |
| * @param size |
| * the length (number of elements) to use. |
| * @param offset |
| * the starting index to use when reading the data. |
| */ |
| public DataBufferInt(int dataArray[], int size, int offset) { |
| super(TYPE_INT, size, 1, offset); |
| data = new int[1][]; |
| data[0] = dataArray; |
| } |
| |
| /** |
| * Instantiates a new data buffer of type integer with a single underlying |
| * array of data starting at index 0. |
| * |
| * @param dataArray |
| * the data array to copy the data from. |
| * @param size |
| * the length (number of elements) to use. |
| */ |
| public DataBufferInt(int dataArray[], int size) { |
| super(TYPE_INT, size); |
| data = new int[1][]; |
| data[0] = dataArray; |
| } |
| |
| /** |
| * Instantiates a new empty data buffer of type integer with offsets equal |
| * to zero. |
| * |
| * @param size |
| * the length (number of elements) to use from the data arrays. |
| * @param numBanks |
| * the number of data arrays to create. |
| */ |
| public DataBufferInt(int size, int numBanks) { |
| super(TYPE_INT, size, numBanks); |
| data = new int[numBanks][]; |
| int i = 0; |
| while (i < numBanks) { |
| data[i++] = new int[size]; |
| } |
| } |
| |
| /** |
| * Instantiates a new empty data buffer of type integer with a single |
| * underlying array of data starting at index 0. |
| * |
| * @param size |
| * the length (number of elements) to use. |
| */ |
| public DataBufferInt(int size) { |
| super(TYPE_INT, size); |
| data = new int[1][]; |
| data[0] = new int[size]; |
| } |
| |
| @Override |
| public void setElem(int bank, int i, int val) { |
| data[bank][offsets[bank] + i] = val; |
| notifyChanged(); |
| } |
| |
| @Override |
| public void setElem(int i, int val) { |
| data[0][offset + i] = val; |
| notifyChanged(); |
| } |
| |
| @Override |
| public int getElem(int bank, int i) { |
| return data[bank][offsets[bank] + i]; |
| } |
| |
| /** |
| * Gets the data of the specified internal data array. |
| * |
| * @param bank |
| * the index of the desired data array. |
| * @return the data. |
| */ |
| public int[] getData(int bank) { |
| notifyTaken(); |
| return data[bank]; |
| } |
| |
| @Override |
| public int getElem(int i) { |
| return data[0][offset + i]; |
| } |
| |
| /** |
| * Gets the bank data. |
| * |
| * @return the bank data. |
| */ |
| public int[][] getBankData() { |
| notifyTaken(); |
| return data.clone(); |
| } |
| |
| /** |
| * Gets the data of the first data array. |
| * |
| * @return the data. |
| */ |
| public int[] getData() { |
| notifyTaken(); |
| return data[0]; |
| } |
| } |