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 */ 017package org.apache.commons.imaging.formats.tiff.photometricinterpreters; 018 019import java.io.IOException; 020 021import org.apache.commons.imaging.ImagingException; 022import org.apache.commons.imaging.common.ImageBuilder; 023 024public class PhotometricInterpreterBiLevel extends PhotometricInterpreter { 025 private final boolean invert; 026 027 // private final int bitsPerPixel; 028 029 public PhotometricInterpreterBiLevel(final int samplesPerPixel, final int[] bitsPerSample, final int predictor, final int width, final int height, 030 final boolean invert) { 031 super(samplesPerPixel, bitsPerSample, predictor, width, height); 032 033 this.invert = invert; 034 // this.bitsPerPixel = fBitsPerPixel; 035 } 036 037 @Override 038 public void interpretPixel(final ImageBuilder imageBuilder, final int[] samples, final int x, final int y) throws ImagingException, IOException { 039 int sample = samples[0]; 040 041 if (invert) { 042 sample = 255 - sample; 043 } 044 045 final int red = sample; 046 final int green = sample; 047 final int blue = sample; 048 049 final int alpha = 0xff; 050 final int rgb = alpha << 24 | red << 16 | green << 8 | blue << 0; 051 052 imageBuilder.setRgb(x, y, rgb); 053 } 054}