diff options
Diffstat (limited to 'xfa/src/fxbarcode/qrcode/BC_QRCoderBitVector.cpp')
-rw-r--r-- | xfa/src/fxbarcode/qrcode/BC_QRCoderBitVector.cpp | 262 |
1 files changed, 131 insertions, 131 deletions
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRCoderBitVector.cpp b/xfa/src/fxbarcode/qrcode/BC_QRCoderBitVector.cpp index 825d527388..605aacc79a 100644 --- a/xfa/src/fxbarcode/qrcode/BC_QRCoderBitVector.cpp +++ b/xfa/src/fxbarcode/qrcode/BC_QRCoderBitVector.cpp @@ -1,131 +1,131 @@ -// 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/src/fxbarcode/barcode.h"
-#include "BC_QRCoderBitVector.h"
-CBC_QRCoderBitVector::CBC_QRCoderBitVector() {
- m_sizeInBits = 0;
- m_size = 32;
-}
-void CBC_QRCoderBitVector::Init() {
- m_array = FX_Alloc(uint8_t, m_size);
-}
-CBC_QRCoderBitVector::~CBC_QRCoderBitVector() {
- if (m_array != NULL) {
- FX_Free(m_array);
- }
- m_size = 0;
- m_sizeInBits = 0;
-}
-void CBC_QRCoderBitVector::Clear() {
- if (m_array != NULL) {
- FX_Free(m_array);
- m_array = NULL;
- }
- m_sizeInBits = 0;
- m_size = 32;
- m_array = FX_Alloc(uint8_t, m_size);
-}
-int32_t CBC_QRCoderBitVector::At(int32_t index, int32_t& e) {
- if (index < 0 || index >= m_sizeInBits) {
- e = BCExceptionBadIndexException;
- BC_EXCEPTION_CHECK_ReturnValue(e, 0);
- }
- int32_t value = m_array[index >> 3] & 0xff;
- return (value >> (7 - (index & 0x7))) & 1;
-}
-int32_t CBC_QRCoderBitVector::sizeInBytes() {
- return (m_sizeInBits + 7) >> 3;
-}
-int32_t CBC_QRCoderBitVector::Size() {
- return m_sizeInBits;
-}
-void CBC_QRCoderBitVector::AppendBit(int32_t bit, int32_t& e) {
- if (!(bit == 0 || bit == 1)) {
- e = BCExceptionBadValueException;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
- int32_t numBitsInLastByte = m_sizeInBits & 0x7;
- if (numBitsInLastByte == 0) {
- AppendByte(0);
- m_sizeInBits -= 8;
- }
- m_array[m_sizeInBits >> 3] |= (bit << (7 - numBitsInLastByte));
- ++m_sizeInBits;
-}
-void CBC_QRCoderBitVector::AppendBits(int32_t value,
- int32_t numBits,
- int32_t& e) {
- if (numBits < 0 || numBits > 32) {
- e = BCExceptionBadNumBitsException;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
- int32_t numBitsLeft = numBits;
- while (numBitsLeft > 0) {
- if ((m_sizeInBits & 0x7) == 0 && numBitsLeft >= 8) {
- int32_t newByte = (value >> (numBitsLeft - 8)) & 0xff;
- AppendByte(newByte);
- numBitsLeft -= 8;
- } else {
- int32_t bit = (value >> (numBitsLeft - 1)) & 1;
- AppendBit(bit, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- --numBitsLeft;
- }
- }
-}
-void CBC_QRCoderBitVector::AppendBitVector(CBC_QRCoderBitVector* bits,
- int32_t& e) {
- int32_t size = bits->Size();
- for (int32_t i = 0; i < size; i++) {
- int32_t num = bits->At(i, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- AppendBit(num, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e)
- }
-}
-void CBC_QRCoderBitVector::XOR(CBC_QRCoderBitVector* other, int32_t& e) {
- if (m_sizeInBits != other->Size()) {
- e = BCExceptioncanNotOperatexorOperator;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
- int32_t sizeInBytes = (m_sizeInBits + 7) >> 3;
- for (int32_t i = 0; i < sizeInBytes; ++i) {
- m_array[i] ^= (other->GetArray())[i];
- }
-}
-uint8_t* CBC_QRCoderBitVector::GetArray() {
- return m_array;
-}
-void CBC_QRCoderBitVector::AppendByte(int32_t value) {
- if ((m_sizeInBits >> 3) == m_size) {
- uint8_t* newArray = FX_Alloc(uint8_t, m_size << 1);
- FXSYS_memcpy(newArray, m_array, m_size);
- if (m_array != NULL) {
- FX_Free(m_array);
- }
- m_array = newArray;
- m_size = m_size << 1;
- }
- m_array[m_sizeInBits >> 3] = (uint8_t)value;
- m_sizeInBits += 8;
-}
+// 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/src/fxbarcode/barcode.h" +#include "BC_QRCoderBitVector.h" +CBC_QRCoderBitVector::CBC_QRCoderBitVector() { + m_sizeInBits = 0; + m_size = 32; +} +void CBC_QRCoderBitVector::Init() { + m_array = FX_Alloc(uint8_t, m_size); +} +CBC_QRCoderBitVector::~CBC_QRCoderBitVector() { + if (m_array != NULL) { + FX_Free(m_array); + } + m_size = 0; + m_sizeInBits = 0; +} +void CBC_QRCoderBitVector::Clear() { + if (m_array != NULL) { + FX_Free(m_array); + m_array = NULL; + } + m_sizeInBits = 0; + m_size = 32; + m_array = FX_Alloc(uint8_t, m_size); +} +int32_t CBC_QRCoderBitVector::At(int32_t index, int32_t& e) { + if (index < 0 || index >= m_sizeInBits) { + e = BCExceptionBadIndexException; + BC_EXCEPTION_CHECK_ReturnValue(e, 0); + } + int32_t value = m_array[index >> 3] & 0xff; + return (value >> (7 - (index & 0x7))) & 1; +} +int32_t CBC_QRCoderBitVector::sizeInBytes() { + return (m_sizeInBits + 7) >> 3; +} +int32_t CBC_QRCoderBitVector::Size() { + return m_sizeInBits; +} +void CBC_QRCoderBitVector::AppendBit(int32_t bit, int32_t& e) { + if (!(bit == 0 || bit == 1)) { + e = BCExceptionBadValueException; + BC_EXCEPTION_CHECK_ReturnVoid(e); + } + int32_t numBitsInLastByte = m_sizeInBits & 0x7; + if (numBitsInLastByte == 0) { + AppendByte(0); + m_sizeInBits -= 8; + } + m_array[m_sizeInBits >> 3] |= (bit << (7 - numBitsInLastByte)); + ++m_sizeInBits; +} +void CBC_QRCoderBitVector::AppendBits(int32_t value, + int32_t numBits, + int32_t& e) { + if (numBits < 0 || numBits > 32) { + e = BCExceptionBadNumBitsException; + BC_EXCEPTION_CHECK_ReturnVoid(e); + } + int32_t numBitsLeft = numBits; + while (numBitsLeft > 0) { + if ((m_sizeInBits & 0x7) == 0 && numBitsLeft >= 8) { + int32_t newByte = (value >> (numBitsLeft - 8)) & 0xff; + AppendByte(newByte); + numBitsLeft -= 8; + } else { + int32_t bit = (value >> (numBitsLeft - 1)) & 1; + AppendBit(bit, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + --numBitsLeft; + } + } +} +void CBC_QRCoderBitVector::AppendBitVector(CBC_QRCoderBitVector* bits, + int32_t& e) { + int32_t size = bits->Size(); + for (int32_t i = 0; i < size; i++) { + int32_t num = bits->At(i, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + AppendBit(num, e); + BC_EXCEPTION_CHECK_ReturnVoid(e) + } +} +void CBC_QRCoderBitVector::XOR(CBC_QRCoderBitVector* other, int32_t& e) { + if (m_sizeInBits != other->Size()) { + e = BCExceptioncanNotOperatexorOperator; + BC_EXCEPTION_CHECK_ReturnVoid(e); + } + int32_t sizeInBytes = (m_sizeInBits + 7) >> 3; + for (int32_t i = 0; i < sizeInBytes; ++i) { + m_array[i] ^= (other->GetArray())[i]; + } +} +uint8_t* CBC_QRCoderBitVector::GetArray() { + return m_array; +} +void CBC_QRCoderBitVector::AppendByte(int32_t value) { + if ((m_sizeInBits >> 3) == m_size) { + uint8_t* newArray = FX_Alloc(uint8_t, m_size << 1); + FXSYS_memcpy(newArray, m_array, m_size); + if (m_array != NULL) { + FX_Free(m_array); + } + m_array = newArray; + m_size = m_size << 1; + } + m_array[m_sizeInBits >> 3] = (uint8_t)value; + m_sizeInBits += 8; +} |