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-rw-r--r--xfa/fxbarcode/pdf417/BC_PDF417Reader.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417Reader.cpp b/xfa/fxbarcode/pdf417/BC_PDF417Reader.cpp
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+++ b/xfa/fxbarcode/pdf417/BC_PDF417Reader.cpp
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+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+// Original code is licensed as follows:
+/*
+ * 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.
+ */
+
+#include <limits>
+
+#include "xfa/fxbarcode/BC_BinaryBitmap.h"
+#include "xfa/fxbarcode/BC_BinaryBitmap.h"
+#include "xfa/fxbarcode/BC_DecoderResult.h"
+#include "xfa/fxbarcode/BC_Reader.h"
+#include "xfa/fxbarcode/BC_ResultPoint.h"
+#include "xfa/fxbarcode/common/BC_CommonBitArray.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/common/BC_CommonDecoderResult.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeMetadata.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeValue.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417BoundingBox.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417Codeword.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417CodewordDecoder.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417Common.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResult.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417Detector.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DetectorResult.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417DetectorResult.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417ECModulusPoly.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417Reader.h"
+#include "xfa/fxbarcode/pdf417/BC_PDF417ScanningDecoder.h"
+#include "xfa/fxbarcode/utils.h"
+
+CBC_PDF417Reader::CBC_PDF417Reader() {}
+CBC_PDF417Reader::~CBC_PDF417Reader() {}
+
+CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image, int32_t& e) {
+ return Decode(image, 0, e);
+}
+CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image,
+ FX_BOOL multiple,
+ int32_t hints,
+ int32_t& e) {
+ CFX_ByteString results;
+ CBC_PDF417DetectorResult* detectorResult =
+ CBC_Detector::detect(image, hints, multiple, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, "");
+ for (int32_t i = 0; i < detectorResult->getPoints()->GetSize(); i++) {
+ CFX_PtrArray* points = (CFX_PtrArray*)detectorResult->getPoints()->GetAt(i);
+ CBC_CommonDecoderResult* ResultTemp = CBC_PDF417ScanningDecoder::decode(
+ detectorResult->getBits(), (CBC_ResultPoint*)points->GetAt(4),
+ (CBC_ResultPoint*)points->GetAt(5), (CBC_ResultPoint*)points->GetAt(6),
+ (CBC_ResultPoint*)points->GetAt(7), getMinCodewordWidth(*points),
+ getMaxCodewordWidth(*points), e);
+ if (ResultTemp == NULL) {
+ delete detectorResult;
+ e = BCExceptiontNotFoundInstance;
+ return "";
+ }
+ results += ResultTemp->GetText();
+ delete ResultTemp;
+ }
+ delete detectorResult;
+ return results;
+}
+CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image,
+ int32_t hints,
+ int32_t& e) {
+ CFX_ByteString bs = Decode(image, FALSE, 0, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, "");
+ return bs;
+}
+int32_t CBC_PDF417Reader::getMaxWidth(CBC_ResultPoint* p1,
+ CBC_ResultPoint* p2) {
+ if (p1 == NULL || p2 == NULL) {
+ return 0;
+ }
+ return (int32_t)FXSYS_fabs(p1->GetX() - p2->GetX());
+}
+int32_t CBC_PDF417Reader::getMinWidth(CBC_ResultPoint* p1,
+ CBC_ResultPoint* p2) {
+ if (!p1 || !p2)
+ return std::numeric_limits<int32_t>::max();
+ return (int32_t)FXSYS_fabs(p1->GetX() - p2->GetX());
+}
+int32_t CBC_PDF417Reader::getMaxCodewordWidth(CFX_PtrArray& p) {
+ int32_t a =
+ getMaxWidth((CBC_ResultPoint*)p.GetAt(6), (CBC_ResultPoint*)p.GetAt(2)) *
+ CBC_PDF417Common::MODULES_IN_CODEWORD /
+ CBC_PDF417Common::MODULES_IN_STOP_PATTERN;
+ int32_t b =
+ getMaxWidth((CBC_ResultPoint*)p.GetAt(7), (CBC_ResultPoint*)p.GetAt(3)) *
+ CBC_PDF417Common::MODULES_IN_CODEWORD /
+ CBC_PDF417Common::MODULES_IN_STOP_PATTERN;
+ int32_t c = getMaxWidth((CBC_ResultPoint*)p.GetAt(0),
+ (CBC_ResultPoint*)p.GetAt(4)) < a
+ ? getMaxWidth((CBC_ResultPoint*)p.GetAt(0),
+ (CBC_ResultPoint*)p.GetAt(4))
+ : a;
+ int32_t d = getMaxWidth((CBC_ResultPoint*)p.GetAt(1),
+ (CBC_ResultPoint*)p.GetAt(5)) < b
+ ? getMaxWidth((CBC_ResultPoint*)p.GetAt(1),
+ (CBC_ResultPoint*)p.GetAt(5))
+ : b;
+ return c < d ? c : d;
+}
+int32_t CBC_PDF417Reader::getMinCodewordWidth(CFX_PtrArray& p) {
+ int32_t a =
+ getMinWidth((CBC_ResultPoint*)p.GetAt(6), (CBC_ResultPoint*)p.GetAt(2)) *
+ CBC_PDF417Common::MODULES_IN_CODEWORD /
+ CBC_PDF417Common::MODULES_IN_STOP_PATTERN;
+ int32_t b =
+ getMinWidth((CBC_ResultPoint*)p.GetAt(7), (CBC_ResultPoint*)p.GetAt(3)) *
+ CBC_PDF417Common::MODULES_IN_CODEWORD /
+ CBC_PDF417Common::MODULES_IN_STOP_PATTERN;
+ int32_t c = getMinWidth((CBC_ResultPoint*)p.GetAt(0),
+ (CBC_ResultPoint*)p.GetAt(4)) < a
+ ? getMinWidth((CBC_ResultPoint*)p.GetAt(0),
+ (CBC_ResultPoint*)p.GetAt(4))
+ : a;
+ int32_t d = getMinWidth((CBC_ResultPoint*)p.GetAt(1),
+ (CBC_ResultPoint*)p.GetAt(5)) < b
+ ? getMinWidth((CBC_ResultPoint*)p.GetAt(1),
+ (CBC_ResultPoint*)p.GetAt(5))
+ : b;
+ return c < d ? c : d;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-06 23:41:40 +0000