diff options
author | Dan Sinclair <dsinclair@chromium.org> | 2016-03-14 14:14:16 -0400 |
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committer | Dan Sinclair <dsinclair@chromium.org> | 2016-03-14 14:14:16 -0400 |
commit | 1770c021cf998ff1b33855b1397f6ea8ff9f7cd7 (patch) | |
tree | 285e39abd4b5872d8cd632b9e331b0667fdc3eae /xfa/fxbarcode/common/BC_CommonBitArray.cpp | |
parent | f766ad219f66543654520f6a1955836f519e26d1 (diff) | |
download | pdfium-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/common/BC_CommonBitArray.cpp')
-rw-r--r-- | xfa/fxbarcode/common/BC_CommonBitArray.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/xfa/fxbarcode/common/BC_CommonBitArray.cpp b/xfa/fxbarcode/common/BC_CommonBitArray.cpp new file mode 100644 index 0000000000..b39e4acd88 --- /dev/null +++ b/xfa/fxbarcode/common/BC_CommonBitArray.cpp @@ -0,0 +1,113 @@ +// 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/common/BC_CommonBitArray.h" +#include "xfa/fxbarcode/utils.h" + +CBC_CommonBitArray::CBC_CommonBitArray(CBC_CommonBitArray* array) { + m_size = array->GetSize(); + m_bits.Copy(array->GetBits()); +} +CBC_CommonBitArray::CBC_CommonBitArray() { + m_bits.SetSize(1); + m_size = 0; +} +CBC_CommonBitArray::CBC_CommonBitArray(int32_t size) { + m_bits.SetSize((size + 31) >> 5); + m_size = size; +} +CBC_CommonBitArray::~CBC_CommonBitArray() { + m_size = 0; +} +int32_t CBC_CommonBitArray::GetSize() { + return m_size; +} +CFX_Int32Array& CBC_CommonBitArray::GetBits() { + return m_bits; +} +int32_t CBC_CommonBitArray::GetSizeInBytes() { + return (m_size + 7) >> 3; +} +FX_BOOL CBC_CommonBitArray::Get(int32_t i) { + return (m_bits[i >> 5] & (1 << (i & 0x1f))) != 0; +} +void CBC_CommonBitArray::Set(int32_t i) { + m_bits[i >> 5] |= 1 << (i & 0x1F); +} +void CBC_CommonBitArray::Flip(int32_t i) { + m_bits[i >> 5] ^= 1 << (i & 0x1F); +} +void CBC_CommonBitArray::SetBulk(int32_t i, int32_t newBits) { + m_bits[i >> 5] = newBits; +} +void CBC_CommonBitArray::Clear() { + FXSYS_memset(&m_bits[0], 0x00, m_bits.GetSize() * sizeof(int32_t)); +} +FX_BOOL CBC_CommonBitArray::IsRange(int32_t start, + int32_t end, + FX_BOOL value, + int32_t& e) { + if (end < start) { + e = BCExceptionEndLessThanStart; + return FALSE; + } + if (end == start) { + return TRUE; + } + end--; + int32_t firstInt = start >> 5; + int32_t lastInt = end >> 5; + int32_t i; + for (i = firstInt; i <= lastInt; i++) { + int32_t firstBit = i > firstInt ? 0 : start & 0x1F; + int32_t lastBit = i < lastInt ? 31 : end & 0x1F; + int32_t mask; + if (firstBit == 0 && lastBit == 31) { + mask = -1; + } else { + mask = 0; + for (int32_t j = firstBit; j <= lastBit; j++) { + mask |= 1 << j; + } + } + if ((m_bits[i] & mask) != (value ? mask : 0)) { + return FALSE; + } + } + return TRUE; +} +int32_t* CBC_CommonBitArray::GetBitArray() { + return &m_bits[0]; +} +void CBC_CommonBitArray::Reverse() { + int32_t* newBits = FX_Alloc(int32_t, m_bits.GetSize()); + FXSYS_memset(newBits, 0x00, m_bits.GetSize() * sizeof(int32_t)); + int32_t size = m_size; + int32_t i; + for (i = 0; i < size; i++) { + if (Get(size - i - 1)) { + newBits[i >> 5] |= 1 << (i & 0x1F); + } + } + FXSYS_memcpy(&m_bits[0], newBits, m_bits.GetSize() * sizeof(int32_t)); + FX_Free(newBits); +} |