/*
    * 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.commons.imaging.formats.tiff.photometricinterpreters;
  
  import java.io.IOException;
  
  import org.apache.commons.imaging.ImagingException;
  import org.apache.commons.imaging.common.ImageBuilder;
  
  public class PhotometricInterpreterBiLevel extends PhotometricInterpreter {
      private final boolean invert;
  
      // private final int bitsPerPixel;
  
      public PhotometricInterpreterBiLevel(final int samplesPerPixel, final int[] bitsPerSample, final int predictor, final int width, final int height,
              final boolean invert) {
          super(samplesPerPixel, bitsPerSample, predictor, width, height);
  
          this.invert = invert;
          // this.bitsPerPixel = fBitsPerPixel;
      }
  
      @Override
      public void interpretPixel(final ImageBuilder imageBuilder, final int[] samples, final int x, final int y) throws ImagingException, IOException {
          int sample = samples[0];
  
          if (invert) {
              sample = 255 - sample;
          }
  
          final int red = sample;
          final int green = sample;
          final int blue = sample;
  
          final int alpha = 0xff;
          final int rgb = alpha << 24 | red << 16 | green << 8 | blue << 0;
  
          imageBuilder.setRgb(x, y, rgb);
      }
  }