| /* |
| * 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. |
| */ |
| package org.apache.sis.image; |
| |
| import java.awt.Dimension; |
| import java.awt.Rectangle; |
| import java.awt.image.DataBuffer; |
| import java.awt.image.WritableRaster; |
| import java.awt.image.WritableRenderedImage; |
| |
| // Test dependencies |
| import static org.junit.jupiter.api.Assertions.*; |
| |
| |
| /** |
| * Tests {@link BandedIterator} on floating point values. |
| * |
| * @author Martin Desruisseaux (Geomatys) |
| */ |
| public final class BandedIteratorTest extends PixelIteratorTest { |
| /** |
| * Creates a new test case. |
| */ |
| public BandedIteratorTest() { |
| dataType = DataBuffer.TYPE_FLOAT; |
| useBandedSampleModel = true; |
| } |
| |
| /** |
| * Creates a {@code PixelIterator} for a sub-area of given raster. |
| */ |
| @Override |
| void createPixelIterator(final WritableRaster raster, final Rectangle subArea) { |
| final int scanlineStride = PixelIterator.Builder.getScanlineStride(raster.getSampleModel()); |
| assertTrue(scanlineStride >= raster.getWidth()); |
| iterator = new BandedIterator(raster, isWritable ? raster : null, subArea, null, null, scanlineStride); |
| assertEquals(SequenceType.LINEAR, iterator.getIterationOrder().get()); |
| assertEquals(isWritable, iterator.isWritable()); |
| } |
| |
| /** |
| * Creates a {@code PixelIterator} for a sub-area of given image. |
| */ |
| @Override |
| void createPixelIterator(final WritableRenderedImage image, final Rectangle subArea) { |
| final int scanlineStride = PixelIterator.Builder.getScanlineStride(image.getSampleModel()); |
| assertTrue(scanlineStride >= image.getTileWidth()); |
| iterator = new BandedIterator(image, isWritable ? image : null, subArea, null, null, scanlineStride); |
| assertEquals(isWritable, iterator.isWritable()); |
| } |
| |
| /** |
| * Creates a {@code PixelIterator} for a window in the given image. |
| * The iterator shall be assigned to the {@link #iterator} field. |
| */ |
| @Override |
| void createWindowIterator(final WritableRenderedImage image, final Dimension window) { |
| final int scanlineStride = PixelIterator.Builder.getScanlineStride(image.getSampleModel()); |
| assertTrue(scanlineStride >= image.getTileWidth()); |
| iterator = new BandedIterator(image, isWritable ? image : null, null, window, null, scanlineStride); |
| assertEquals(isWritable, iterator.isWritable()); |
| } |
| } |