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/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8194489
* @summary The test checks whether BandedSampleModel computes appropriate
* size for allocating memory in DataBuffer.
* @run main BandedSampleModelSizeTest
*/
import java.awt.image.BandedSampleModel;
import java.awt.image.DataBuffer;
import java.util.Arrays;
public class BandedSampleModelSizeTest {
// Constants
private static final int TEST_NUM_BANDS = 3;
private static final int TEST_SRC_IMG_DIM = 10;
// Required sample models
private static BandedSampleModel singleBankModel = null;
private static BandedSampleModel multiBankModel = null;
private static void initTest() {
int[] bandOffsets = new int[TEST_NUM_BANDS];
int[] bankIndices = new int[TEST_NUM_BANDS];
/*
* Create a BandedSampleModel to store samples of all bands in one
* bank of DataBuffer.
*/
bandOffsets[0] = 0;
bandOffsets[1] = 120;
bandOffsets[2] = 240;
bankIndices[0] = 0;
bankIndices[1] = 0;
bankIndices[2] = 0;
singleBankModel = new BandedSampleModel(DataBuffer.TYPE_BYTE,
TEST_SRC_IMG_DIM, TEST_SRC_IMG_DIM, TEST_SRC_IMG_DIM,
bankIndices, bandOffsets);
/*
* Create a BandedSampleModel to store samples of all bands in
* different banks of DataBuffer.
*/
bandOffsets[0] = 0;
bandOffsets[1] = 20;
bandOffsets[2] = 40;
bankIndices[0] = 0;
bankIndices[1] = 1;
bankIndices[2] = 2;
multiBankModel = new BandedSampleModel(DataBuffer.TYPE_BYTE,
TEST_SRC_IMG_DIM, TEST_SRC_IMG_DIM, TEST_SRC_IMG_DIM,
bankIndices, bandOffsets);
}
private static void testSingleBankModel() {
int[] srcSamples = new int[TEST_NUM_BANDS];
int[] resSamples = new int[TEST_NUM_BANDS];
// Create image buffer for the requried sample model
DataBuffer imgBuffer = singleBankModel.createDataBuffer();
// Test the sample model by setting a pixel value & inspecting the same.
Arrays.fill(srcSamples, 125);
singleBankModel.setPixel(0, 0, srcSamples, imgBuffer);
singleBankModel.getPixel(0, 0, resSamples, imgBuffer);
if (!Arrays.equals(srcSamples, resSamples)) {
throw new RuntimeException("Test Failed. Incorrect samples found"
+ " in the image");
}
Arrays.fill(srcSamples, 250);
singleBankModel.setPixel(9, 9, srcSamples, imgBuffer);
singleBankModel.getPixel(9, 9, resSamples, imgBuffer);
if (!Arrays.equals(srcSamples, resSamples)) {
throw new RuntimeException("Test Failed. Incorrect samples found"
+ " in the image");
}
}
private static void testMultiBankModel() {
int[] srcSamples = new int[TEST_NUM_BANDS];
int[] resSamples = new int[TEST_NUM_BANDS];
// Create image buffer for the required sample model
DataBuffer imgBuffer = multiBankModel.createDataBuffer();
// Test the sample model by setting a pixel value & inspecting the same.
Arrays.fill(srcSamples, 125);
multiBankModel.setPixel(0, 0, srcSamples, imgBuffer);
multiBankModel.getPixel(0, 0, resSamples, imgBuffer);
if (!Arrays.equals(srcSamples, resSamples)) {
throw new RuntimeException("Test Failed. Incorrect samples found"
+ " in the image");
}
Arrays.fill(srcSamples, 250);
multiBankModel.setPixel(9, 9, srcSamples, imgBuffer);
multiBankModel.getPixel(9, 9, resSamples, imgBuffer);
if (!Arrays.equals(srcSamples, resSamples)) {
throw new RuntimeException("Test Failed. Incorrect samples found"
+ " in the image");
}
}
public static void main(String args[]) {
// Initialize the test
initTest();
// Test banded sample model with single bank of data buffer
testSingleBankModel();
// Test banded sample model with multiple banks of data buffer
testMultiBankModel();
}
}
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