<commit_before>/*
 * Copyright 2009 ZXing authors
 *
 * Licensed 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 com.google.zxing.client.j2se;

import com.google.zxing.LuminanceSource;

import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;

/**
 * This LuminanceSource implementation is meant for J2SE clients and our blackbox unit tests.
 *
 * @author <EMAIL> (<NAME>)
 * @author <NAME>
 * @author <EMAIL> (<NAME>)
 */
public final class BufferedImageLuminanceSource extends LuminanceSource {

  private final BufferedImage image;
  private final int left;
  private final int top;

  public BufferedImageLuminanceSource(BufferedImage image) {
    this(image, 0, 0, image.getWidth(), image.getHeight());
  }

  public BufferedImageLuminanceSource(BufferedImage image, int left, int top, int width, int height) {
    super(width, height);

    int sourceWidth = image.getWidth();
    int sourceHeight = image.getHeight();
    if (left + width > sourceWidth || top + height > sourceHeight) {
      throw new IllegalArgumentException("Crop rectangle does not fit within image data.");
    }

    // The color of fully-transparent pixels is irrelevant. They are often, technically, fully-transparent
    // black (0 alpha, and then 0 RGB). They are often used, of course as the "white" area in a
    // barcode image. Force any such pixel to be white:
    for (int i = top; i < top + height; i++) {
      for (int j = left; j < left + width; j++) {
        if ((image.getRGB(i, j) & 0xFF000000) == 0) {
          image.setRGB(i, j, 0xFFFFFFFF); // = white
        }
      }
    }

    // Create a grayscale copy, no need to calculate the luminance manually
    this.image = new BufferedImage(sourceWidth, sourceHeight, BufferedImage.TYPE_BYTE_GRAY);
    this.image.getGraphics().drawImage(image, 0, 0, null);
    this.left = left;
    this.top = top;
  }

  @Override
  public byte[] getRow(int y, byte[] row) {
    if (y < 0 || y >= getHeight()) {
      throw new IllegalArgumentException("Requested row is outside the image: " + y);
    }
    int width = getWidth();
    if (row == null || row.length < width) {
      row = new byte[width];
    }
    // The underlying raster of image consists of bytes with the luminance values
    image.getRaster().getDataElements(left, top + y, width, 1, row);
    return row;
  }

  @Override
  public byte[] getMatrix() {
    int width = getWidth();
    int height = getHeight();
    int area = width * height;
    byte[] matrix = new byte[area];
    // The underlying raster of image consists of area bytes with the luminance values
    image.getRaster().getDataElements(left, top, width, height, matrix);
    return matrix;
  }

  @Override
  public boolean isCropSupported() {
    return true;
  }

  @Override
  public LuminanceSource crop(int left, int top, int width, int height) {
    return new BufferedImageLuminanceSource(image, this.left + left, this.top + top, width, height);
  }

  /**
   * This is always true, since the image is a gray-scale image.
   *
   * @return true
   */
  @Override
  public boolean isRotateSupported() {
    return true;
  }

  @Override
  public LuminanceSource rotateCounterClockwise() {
    //if (!isRotateSupported()) {
    //  throw new IllegalStateException("Rotate not supported");
    //}
    int sourceWidth = image.getWidth();
    int sourceHeight = image.getHeight();

    // Rotate 90 degrees counterclockwise.
    AffineTransform transform = new AffineTransform(0.0, -1.0, 1.0, 0.0, 0.0, sourceWidth);

    // Note width/height are flipped since we are rotating 90 degrees.
    BufferedImage rotatedImage = new BufferedImage(sourceHeight, sourceWidth, BufferedImage.TYPE_BYTE_GRAY);

    // Draw the original image into rotated, via transformation
    Graphics2D g = rotatedImage.createGraphics();
    g.drawImage(image, transform, null);
    g.dispose();

    // Maintain the cropped region, but rotate it too.
    int width = getWidth();
    return new BufferedImageLuminanceSource(rotatedImage, top, sourceWidth - (left + width), getHeight(), width);
  }

}
<commit_msg>Typo fix - mixed up x/y!<commit_after>/*
 * Copyright 2009 ZXing authors
 *
 * Licensed 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 com.google.zxing.client.j2se;

import com.google.zxing.LuminanceSource;

import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;

/**
 * This LuminanceSource implementation is meant for J2SE clients and our blackbox unit tests.
 *
 * @author <EMAIL> (<NAME>)
 * @author <NAME>
 * @author <EMAIL> (<NAME>)
 */
public final class BufferedImageLuminanceSource extends LuminanceSource {

  private final BufferedImage image;
  private final int left;
  private final int top;

  public BufferedImageLuminanceSource(BufferedImage image) {
    this(image, 0, 0, image.getWidth(), image.getHeight());
  }

  public BufferedImageLuminanceSource(BufferedImage image, int left, int top, int width, int height) {
    super(width, height);

    int sourceWidth = image.getWidth();
    int sourceHeight = image.getHeight();
    if (left + width > sourceWidth || top + height > sourceHeight) {
      throw new IllegalArgumentException("Crop rectangle does not fit within image data.");
    }

    // The color of fully-transparent pixels is irrelevant. They are often, technically, fully-transparent
    // black (0 alpha, and then 0 RGB). They are often used, of course as the "white" area in a
    // barcode image. Force any such pixel to be white:
    for (int y = top; y < top + height; y++) {
      for (int x = left; x < left + width; x++) {
        if ((image.getRGB(x, y) & 0xFF000000) == 0) {
          image.setRGB(x, y, 0xFFFFFFFF); // = white
        }
      }
    }

    // Create a grayscale copy, no need to calculate the luminance manually
    this.image = new BufferedImage(sourceWidth, sourceHeight, BufferedImage.TYPE_BYTE_GRAY);
    this.image.getGraphics().drawImage(image, 0, 0, null);
    this.left = left;
    this.top = top;
  }

  @Override
  public byte[] getRow(int y, byte[] row) {
    if (y < 0 || y >= getHeight()) {
      throw new IllegalArgumentException("Requested row is outside the image: " + y);
    }
    int width = getWidth();
    if (row == null || row.length < width) {
      row = new byte[width];
    }
    // The underlying raster of image consists of bytes with the luminance values
    image.getRaster().getDataElements(left, top + y, width, 1, row);
    return row;
  }

  @Override
  public byte[] getMatrix() {
    int width = getWidth();
    int height = getHeight();
    int area = width * height;
    byte[] matrix = new byte[area];
    // The underlying raster of image consists of area bytes with the luminance values
    image.getRaster().getDataElements(left, top, width, height, matrix);
    return matrix;
  }

  @Override
  public boolean isCropSupported() {
    return true;
  }

  @Override
  public LuminanceSource crop(int left, int top, int width, int height) {
    return new BufferedImageLuminanceSource(image, this.left + left, this.top + top, width, height);
  }

  /**
   * This is always true, since the image is a gray-scale image.
   *
   * @return true
   */
  @Override
  public boolean isRotateSupported() {
    return true;
  }

  @Override
  public LuminanceSource rotateCounterClockwise() {
    //if (!isRotateSupported()) {
    //  throw new IllegalStateException("Rotate not supported");
    //}
    int sourceWidth = image.getWidth();
    int sourceHeight = image.getHeight();

    // Rotate 90 degrees counterclockwise.
    AffineTransform transform = new AffineTransform(0.0, -1.0, 1.0, 0.0, 0.0, sourceWidth);

    // Note width/height are flipped since we are rotating 90 degrees.
    BufferedImage rotatedImage = new BufferedImage(sourceHeight, sourceWidth, BufferedImage.TYPE_BYTE_GRAY);

    // Draw the original image into rotated, via transformation
    Graphics2D g = rotatedImage.createGraphics();
    g.drawImage(image, transform, null);
    g.dispose();

    // Maintain the cropped region, but rotate it too.
    int width = getWidth();
    return new BufferedImageLuminanceSource(rotatedImage, top, sourceWidth - (left + width), getHeight(), width);
  }

}

{'fraction_non_alphanumeric': 0.10554175218753375, 'fraction_numerical': 0.009290266825105326, 'mean_word_length': 3.310055865921788, 'pattern_counts': {'":': 0, '<': 21, '<?xml version=': 0, '>': 19, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 2, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6441941', 'n_tokens_mistral': 2792, 'n_tokens_neox': 2671, 'n_words': 966}