text: "use strict";
  /*
   * 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.
   */
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  Object.defineProperty(exports, "__esModule", { value: true });
  /*namespace com.google.zxing {*/
  var System_1 = require("./util/System");
  var LuminanceSource_1 = require("./LuminanceSource");
  var InvertedLuminanceSource_1 = require("./InvertedLuminanceSource");
  var IllegalArgumentException_1 = require("./IllegalArgumentException");
  /**
   * This object extends LuminanceSource around an array of YUV data returned from the camera driver,
   * with the option to crop to a rectangle within the full data. This can be used to exclude
   * superfluous pixels around the perimeter and speed up decoding.
   *
   * It works for any pixel format where the Y channel is planar and appears first, including
   * YCbCr_420_SP and YCbCr_422_SP.
   *
   * @author dswitkin@google.com (Daniel Switkin)
   */
  var PlanarYUVLuminanceSource = /** @class */ (function (_super) {
      __extends(PlanarYUVLuminanceSource, _super);
      function PlanarYUVLuminanceSource(yuvData, dataWidth /*int*/, dataHeight /*int*/, left /*int*/, top /*int*/, width /*int*/, height /*int*/, reverseHorizontal) {
          var _this = _super.call(this, width, height) || this;
          _this.yuvData = yuvData;
          _this.dataWidth = dataWidth;
          _this.dataHeight = dataHeight;
          _this.left = left;
          _this.top = top;
          if (left + width > dataWidth || top + height > dataHeight) {
              throw new IllegalArgumentException_1.default('Crop rectangle does not fit within image data.');
          }
          if (reverseHorizontal) {
              _this.reverseHorizontal(width, height);
          }
          return _this;
      }
      /*@Override*/
      PlanarYUVLuminanceSource.prototype.getRow = function (y /*int*/, row) {
          if (y < 0 || y >= this.getHeight()) {
              throw new IllegalArgumentException_1.default('Requested row is outside the image: ' + y);
          }
          var width = this.getWidth();
          if (row === null || row === undefined || row.length < width) {
              row = new Uint8ClampedArray(width);
          }
          var offset = (y + this.top) * this.dataWidth + this.left;
          System_1.default.arraycopy(this.yuvData, offset, row, 0, width);
          return row;
      };
      /*@Override*/
      PlanarYUVLuminanceSource.prototype.getMatrix = function () {
          var width = this.getWidth();
          var height = this.getHeight();
          // If the caller asks for the entire underlying image, save the copy and give them the
          // original data. The docs specifically warn that result.length must be ignored.
          if (width === this.dataWidth && height === this.dataHeight) {
              return this.yuvData;
          }
          var area = width * height;
          var matrix = new Uint8ClampedArray(area);
          var inputOffset = this.top * this.dataWidth + this.left;
          // If the width matches the full width of the underlying data, perform a single copy.
          if (width === this.dataWidth) {
              System_1.default.arraycopy(this.yuvData, inputOffset, matrix, 0, area);
              return matrix;
          }
          // Otherwise copy one cropped row at a time.
          for (var y = 0; y < height; y++) {
              var outputOffset = y * width;
              System_1.default.arraycopy(this.yuvData, inputOffset, matrix, outputOffset, width);
              inputOffset += this.dataWidth;
          }
          return matrix;
      };
      /*@Override*/
      PlanarYUVLuminanceSource.prototype.isCropSupported = function () {
          return true;
      };
      /*@Override*/
      PlanarYUVLuminanceSource.prototype.crop = function (left /*int*/, top /*int*/, width /*int*/, height /*int*/) {
          return new PlanarYUVLuminanceSource(this.yuvData, this.dataWidth, this.dataHeight, this.left + left, this.top + top, width, height, false);
      };
      PlanarYUVLuminanceSource.prototype.renderThumbnail = function () {
          var width = this.getWidth() / PlanarYUVLuminanceSource.THUMBNAIL_SCALE_FACTOR;
          var height = this.getHeight() / PlanarYUVLuminanceSource.THUMBNAIL_SCALE_FACTOR;
          var pixels = new Int32Array(width * height);
          var yuv = this.yuvData;
          var inputOffset = this.top * this.dataWidth + this.left;
          for (var y = 0; y < height; y++) {
              var outputOffset = y * width;
              for (var x = 0; x < width; x++) {
                  var grey = yuv[inputOffset + x * PlanarYUVLuminanceSource.THUMBNAIL_SCALE_FACTOR] & 0xff;
                  pixels[outputOffset + x] = 0xFF000000 | (grey * 0x00010101);
              }
              inputOffset += this.dataWidth * PlanarYUVLuminanceSource.THUMBNAIL_SCALE_FACTOR;
          }
          return pixels;
      };
      /**
       * @return width of image from {@link #renderThumbnail()}
       */
      PlanarYUVLuminanceSource.prototype.getThumbnailWidth = function () {
          return this.getWidth() / PlanarYUVLuminanceSource.THUMBNAIL_SCALE_FACTOR;
      };
      /**
       * @return height of image from {@link #renderThumbnail()}
       */
      PlanarYUVLuminanceSource.prototype.getThumbnailHeight = function () {
          return this.getHeight() / PlanarYUVLuminanceSource.THUMBNAIL_SCALE_FACTOR;
      };
      PlanarYUVLuminanceSource.prototype.reverseHorizontal = function (width /*int*/, height /*int*/) {
          var yuvData = this.yuvData;
          for (var y = 0, rowStart = this.top * this.dataWidth + this.left; y < height; y++, rowStart += this.dataWidth) {
              var middle = rowStart + width / 2;
              for (var x1 = rowStart, x2 = rowStart + width - 1; x1 < middle; x1++, x2--) {
                  var temp = yuvData[x1];
                  yuvData[x1] = yuvData[x2];
                  yuvData[x2] = temp;
              }
          }
      };
      PlanarYUVLuminanceSource.prototype.invert = function () {
          return new InvertedLuminanceSource_1.default(this);
      };
      PlanarYUVLuminanceSource.THUMBNAIL_SCALE_FACTOR = 2;
      return PlanarYUVLuminanceSource;
  }(LuminanceSource_1.default));
  exports.default = PlanarYUVLuminanceSource;
  //# sourceMappingURL=PlanarYUVLuminanceSource.js.map