/* * Copyright 2012 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. */ @class ZXBinaryBitmap, ZXBitArray, ZXBitMatrix, ZXDecodeHints, ZXPDF417DetectorResult; /** * Encapsulates logic that can detect a PDF417 Code in an image, even if the * PDF417 Code is rotated or skewed, or partially obscured. */ @interface ZXPDF417Detector : NSObject /** * Detects a PDF417 Code in an image. Only checks 0 and 180 degree rotations. * * @param hints optional hints to detector * @param multiple if true, then the image is searched for multiple codes. If false, then at most one code will * be found and returned * @return ZXPDF417DetectorResult encapsulating results of detecting a PDF417 code or nil * if no PDF417 Code can be found */ + (ZXPDF417DetectorResult *)detect:(ZXBinaryBitmap *)image hints:(ZXDecodeHints *)hints multiple:(BOOL)multiple error:(NSError **)error; @end