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path: root/xfa/fxbarcode/common/BC_CommonBitMatrix.cpp
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-rw-r--r--xfa/fxbarcode/common/BC_CommonBitMatrix.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/xfa/fxbarcode/common/BC_CommonBitMatrix.cpp b/xfa/fxbarcode/common/BC_CommonBitMatrix.cpp
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+++ b/xfa/fxbarcode/common/BC_CommonBitMatrix.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 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/common/BC_CommonBitMatrix.h"
+#include "xfa/fxbarcode/utils.h"
+
+CBC_CommonBitMatrix::CBC_CommonBitMatrix() {
+ m_width = 0;
+ m_height = 0;
+ m_rowSize = 0;
+ m_bits = NULL;
+}
+void CBC_CommonBitMatrix::Init(int32_t dimension) {
+ m_width = dimension;
+ m_height = dimension;
+ int32_t rowSize = (m_height + 31) >> 5;
+ m_rowSize = rowSize;
+ m_bits = FX_Alloc2D(int32_t, m_rowSize, m_height);
+ FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t));
+}
+void CBC_CommonBitMatrix::Init(int32_t width, int32_t height) {
+ m_width = width;
+ m_height = height;
+ int32_t rowSize = (width + 31) >> 5;
+ m_rowSize = rowSize;
+ m_bits = FX_Alloc2D(int32_t, m_rowSize, m_height);
+ FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t));
+}
+CBC_CommonBitMatrix::~CBC_CommonBitMatrix() {
+ FX_Free(m_bits);
+}
+FX_BOOL CBC_CommonBitMatrix::Get(int32_t x, int32_t y) {
+ int32_t offset = y * m_rowSize + (x >> 5);
+ if (offset >= m_rowSize * m_height || offset < 0) {
+ return false;
+ }
+ return ((((FX_DWORD)m_bits[offset]) >> (x & 0x1f)) & 1) != 0;
+}
+int32_t* CBC_CommonBitMatrix::GetBits() {
+ return m_bits;
+}
+void CBC_CommonBitMatrix::Set(int32_t x, int32_t y) {
+ int32_t offset = y * m_rowSize + (x >> 5);
+ if (offset >= m_rowSize * m_height || offset < 0) {
+ return;
+ }
+ m_bits[offset] |= 1 << (x & 0x1f);
+}
+void CBC_CommonBitMatrix::Flip(int32_t x, int32_t y) {
+ int32_t offset = y * m_rowSize + (x >> 5);
+ m_bits[offset] ^= 1 << (x & 0x1f);
+}
+void CBC_CommonBitMatrix::Clear() {
+ FXSYS_memset(m_bits, 0, m_rowSize * m_height * sizeof(int32_t));
+}
+void CBC_CommonBitMatrix::SetRegion(int32_t left,
+ int32_t top,
+ int32_t width,
+ int32_t height,
+ int32_t& e) {
+ if (top < 0 || left < 0) {
+ e = BCExceptionLeftAndTopMustBeNonnegative;
+ return;
+ }
+ if (height < 1 || width < 1) {
+ e = BCExceptionHeightAndWidthMustBeAtLeast1;
+ return;
+ }
+ int32_t right = left + width;
+ int32_t bottom = top + height;
+ if (m_height < bottom || m_width < right) {
+ e = BCExceptionRegionMustFitInsideMatrix;
+ return;
+ }
+ int32_t y;
+ for (y = top; y < bottom; y++) {
+ int32_t offset = y * m_rowSize;
+ int32_t x;
+ for (x = left; x < right; x++) {
+ m_bits[offset + (x >> 5)] |= 1 << (x & 0x1f);
+ }
+ }
+}
+CBC_CommonBitArray* CBC_CommonBitMatrix::GetRow(int32_t y,
+ CBC_CommonBitArray* row) {
+ CBC_CommonBitArray* rowArray = NULL;
+ if (row == NULL || row->GetSize() < m_width) {
+ rowArray = new CBC_CommonBitArray(m_width);
+ } else {
+ rowArray = new CBC_CommonBitArray(row);
+ }
+ int32_t offset = y * m_rowSize;
+ int32_t x;
+ for (x = 0; x < m_rowSize; x++) {
+ rowArray->SetBulk(x << 5, m_bits[offset + x]);
+ }
+ return rowArray;
+}
+void CBC_CommonBitMatrix::SetRow(int32_t y, CBC_CommonBitArray* row) {
+ int32_t l = y * m_rowSize;
+ for (int32_t i = 0; i < m_rowSize; i++) {
+ m_bits[l] = row->GetBitArray()[i];
+ l++;
+ }
+}
+void CBC_CommonBitMatrix::SetCol(int32_t y, CBC_CommonBitArray* col) {
+ for (int32_t i = 0; i < col->GetBits().GetSize(); i++) {
+ m_bits[i * m_rowSize + y] = col->GetBitArray()[i];
+ }
+}
+int32_t CBC_CommonBitMatrix::GetWidth() {
+ return m_width;
+}
+int32_t CBC_CommonBitMatrix::GetHeight() {
+ return m_height;
+}
+int32_t CBC_CommonBitMatrix::GetRowSize() {
+ return m_rowSize;
+}
+int32_t CBC_CommonBitMatrix::GetDimension(int32_t& e) {
+ if (m_width != m_height) {
+ e = BCExceptionCanNotCallGetDimensionOnNonSquareMatrix;
+ return 0;
+ }
+ return m_width;
+}