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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 14:14:16 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 14:14:16 -0400
commit1770c021cf998ff1b33855b1397f6ea8ff9f7cd7 (patch)
tree285e39abd4b5872d8cd632b9e331b0667fdc3eae /xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp
parentf766ad219f66543654520f6a1955836f519e26d1 (diff)
downloadpdfium-1770c021cf998ff1b33855b1397f6ea8ff9f7cd7.tar.xz
Move xfa/src up to xfa/.
This CL moves the xfa/src files up to the xfa/ directory and fixes the includes, include guards, and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1803723002 .
Diffstat (limited to 'xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp')
-rw-r--r--xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp183
1 files changed, 183 insertions, 0 deletions
diff --git a/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp b/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp
new file mode 100644
index 0000000000..53803588b5
--- /dev/null
+++ b/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp
@@ -0,0 +1,183 @@
+// 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 2007 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 "xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.h"
+
+#include <memory>
+
+#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.h"
+#include "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h"
+#include "xfa/fxbarcode/qrcode/BC_QRDataMask.h"
+#include "xfa/fxbarcode/utils.h"
+
+CBC_QRBitMatrixParser::CBC_QRBitMatrixParser() {}
+void CBC_QRBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix, int32_t& e) {
+ m_dimension = bitMatrix->GetDimension(e);
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ m_tempBitMatrix = bitMatrix;
+ if (m_dimension < 21 || (m_dimension & 0x03) != 1) {
+ e = BCExceptionRead;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ m_bitMatrix = m_tempBitMatrix;
+ m_parsedFormatInfo = NULL;
+ m_version = NULL;
+}
+CBC_QRBitMatrixParser::~CBC_QRBitMatrixParser() {
+ delete m_parsedFormatInfo;
+}
+CBC_QRCoderFormatInformation* CBC_QRBitMatrixParser::ReadFormatInformation(
+ int32_t& e) {
+ if (m_parsedFormatInfo) {
+ return m_parsedFormatInfo;
+ }
+ int32_t formatInfoBits = 0;
+ int32_t j;
+ for (j = 0; j < 6; j++) {
+ formatInfoBits = CopyBit(8, j, formatInfoBits);
+ }
+ formatInfoBits = CopyBit(8, 7, formatInfoBits);
+ formatInfoBits = CopyBit(8, 8, formatInfoBits);
+ formatInfoBits = CopyBit(7, 8, formatInfoBits);
+ for (int32_t i = 5; i >= 0; i--) {
+ formatInfoBits = CopyBit(i, 8, formatInfoBits);
+ }
+ m_parsedFormatInfo =
+ CBC_QRCoderFormatInformation::DecodeFormatInformation(formatInfoBits);
+ if (m_parsedFormatInfo) {
+ return m_parsedFormatInfo;
+ }
+ int32_t dimension = m_bitMatrix->GetDimension(e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ formatInfoBits = 0;
+ int32_t iMin = dimension - 8;
+ for (j = dimension - 1; j >= iMin; j--) {
+ formatInfoBits = CopyBit(j, 8, formatInfoBits);
+ }
+ for (int32_t k = dimension - 7; k < dimension; k++) {
+ formatInfoBits = CopyBit(8, k, formatInfoBits);
+ }
+ m_parsedFormatInfo =
+ CBC_QRCoderFormatInformation::DecodeFormatInformation(formatInfoBits);
+ if (m_parsedFormatInfo) {
+ return m_parsedFormatInfo;
+ }
+ e = BCExceptionRead;
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return NULL;
+}
+CBC_QRCoderVersion* CBC_QRBitMatrixParser::ReadVersion(int32_t& e) {
+ if (m_version) {
+ return m_version;
+ }
+ int32_t dimension = m_bitMatrix->GetDimension(e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ int32_t provisionVersion = (dimension - 17) >> 2;
+ if (provisionVersion <= 6) {
+ CBC_QRCoderVersion* qrv =
+ CBC_QRCoderVersion::GetVersionForNumber(provisionVersion, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return qrv;
+ }
+ int32_t versionBits = 0;
+ for (int32_t i = 5; i >= 0; i--) {
+ int32_t jMin = dimension - 11;
+ for (int32_t j = dimension - 9; j >= jMin; j--) {
+ versionBits = CopyBit(i, j, versionBits);
+ }
+ }
+ m_version = CBC_QRCoderVersion::DecodeVersionInformation(versionBits, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ if (m_version && m_version->GetDimensionForVersion() == dimension) {
+ return m_version;
+ }
+ versionBits = 0;
+ for (int32_t j = 5; j >= 0; j--) {
+ int32_t iMin = dimension - 11;
+ for (int32_t i = dimension - 9; i >= iMin; i--) {
+ versionBits = CopyBit(i, j, versionBits);
+ }
+ }
+ m_version = CBC_QRCoderVersion::DecodeVersionInformation(versionBits, e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ if (m_version && m_version->GetDimensionForVersion() == dimension) {
+ return m_version;
+ }
+ e = BCExceptionRead;
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ return NULL;
+}
+int32_t CBC_QRBitMatrixParser::CopyBit(int32_t i,
+ int32_t j,
+ int32_t versionBits) {
+ return m_bitMatrix->Get(j, i) ? (versionBits << 1) | 0x1 : versionBits << 1;
+}
+CFX_ByteArray* CBC_QRBitMatrixParser::ReadCodewords(int32_t& e) {
+ CBC_QRCoderFormatInformation* formatInfo = ReadFormatInformation(e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL) CBC_QRCoderVersion* version =
+ ReadVersion(e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ CBC_QRDataMask* dataMask =
+ CBC_QRDataMask::ForReference((int32_t)(formatInfo->GetDataMask()), e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ int32_t dimension = m_bitMatrix->GetDimension(e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ dataMask->UnmaskBitMatirx(m_bitMatrix, dimension);
+ std::unique_ptr<CBC_CommonBitMatrix> functionPattern(
+ version->BuildFunctionPattern(e));
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ FX_BOOL readingUp = TRUE;
+ std::unique_ptr<CFX_ByteArray> result(new CFX_ByteArray);
+ result->SetSize(version->GetTotalCodeWords());
+ int32_t resultOffset = 0;
+ int32_t currentByte = 0;
+ int32_t bitsRead = 0;
+ for (int32_t j = dimension - 1; j > 0; j -= 2) {
+ if (j == 6) {
+ j--;
+ }
+ for (int32_t count = 0; count < dimension; count++) {
+ int32_t i = readingUp ? dimension - 1 - count : count;
+ for (int32_t col = 0; col < 2; col++) {
+ if (!functionPattern->Get(j - col, i)) {
+ bitsRead++;
+ currentByte <<= 1;
+ if (m_bitMatrix->Get(j - col, i)) {
+ currentByte |= 1;
+ }
+ if (bitsRead == 8) {
+ (*result)[resultOffset++] = (uint8_t)currentByte;
+ bitsRead = 0;
+ currentByte = 0;
+ }
+ }
+ }
+ }
+ readingUp ^= TRUE;
+ }
+ if (resultOffset != version->GetTotalCodeWords()) {
+ e = BCExceptionRead;
+ BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ }
+ return result.release();
+}