Merge to XFA: Use stdint.h types throughout PDFium.

xfa/src/fxbarcode/oned/BC_OneDimReader.cpp

 // 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 2008 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 "../barcode.h"
 #include "../BC_Reader.h"
 #include "../common/BC_CommonBitArray.h"
 #include "BC_OneDReader.h"
 #include "BC_OneDimReader.h"
-const FX_INT32 CBC_OneDimReader::MAX_AVG_VARIANCE = (FX_INT32)(256 * 0.48f);
-const FX_INT32 CBC_OneDimReader::MAX_INDIVIDUAL_VARIANCE = (FX_INT32)(256 * 0.7f);
-const FX_INT32 CBC_OneDimReader::START_END_PATTERN[3] = {1, 1, 1};
-const FX_INT32 CBC_OneDimReader::MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1};
-const FX_INT32 CBC_OneDimReader::L_PATTERNS[10][4] = {
+const int32_t CBC_OneDimReader::MAX_AVG_VARIANCE = (int32_t)(256 * 0.48f);
+const int32_t CBC_OneDimReader::MAX_INDIVIDUAL_VARIANCE = (int32_t)(256 * 0.7f);
+const int32_t CBC_OneDimReader::START_END_PATTERN[3] = {1, 1, 1};
+const int32_t CBC_OneDimReader::MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1};
+const int32_t CBC_OneDimReader::L_PATTERNS[10][4] = {
     {3, 2, 1, 1},
     {2, 2, 2, 1},
     {2, 1, 2, 2},
     {1, 4, 1, 1},
     {1, 1, 3, 2},
     {1, 2, 3, 1},
     {1, 1, 1, 4},
     {1, 3, 1, 2},
     {1, 2, 1, 3},
     {3, 1, 1, 2}
 };
-const FX_INT32 CBC_OneDimReader::L_AND_G_PATTERNS[20][4] = {
+const int32_t CBC_OneDimReader::L_AND_G_PATTERNS[20][4] = {
     {3, 2, 1, 1},
     {2, 2, 2, 1},
     {2, 1, 2, 2},
     {1, 4, 1, 1},
     {1, 1, 3, 2},
     {1, 2, 3, 1},
     {1, 1, 1, 4},
     {1, 3, 1, 2},
     {1, 2, 1, 3},
     {3, 1, 1, 2},
     {1, 1, 2, 3},
     {1, 2, 2, 2},
     {2, 2, 1, 2},
     {1, 1, 4, 1},
     {2, 3, 1, 1},
     {1, 3, 2, 1},
     {4, 1, 1, 1},
     {2, 1, 3, 1},
     {3, 1, 2, 1},
     {2, 1, 1, 3}
 };
 CBC_OneDimReader::CBC_OneDimReader()
 {
 }
 CBC_OneDimReader::~CBC_OneDimReader()
 {
 }
-CFX_Int32Array *CBC_OneDimReader::FindStartGuardPattern(CBC_CommonBitArray *row, FX_INT32 &e)
+CFX_Int32Array *CBC_OneDimReader::FindStartGuardPattern(CBC_CommonBitArray *row, int32_t &e)
 {
     FX_BOOL foundStart = FALSE;
     CFX_Int32Array *startRange = NULL;
     CFX_Int32Array startEndPattern;
     startEndPattern.SetSize(3);
     startEndPattern[0] = START_END_PATTERN[0];
     startEndPattern[1] = START_END_PATTERN[1];
     startEndPattern[2] = START_END_PATTERN[2];
-    FX_INT32 nextStart = 0;
+    int32_t nextStart = 0;
     while (!foundStart) {
         if(startRange != NULL) {
             delete startRange;
             startRange = NULL;
         }
         startRange = FindGuardPattern(row, nextStart, FALSE, &startEndPattern, e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-        FX_INT32 start = (*startRange)[0];
+        int32_t start = (*startRange)[0];
         nextStart = (*startRange)[1];
         if (start <= 1) {
             break;
         }
-        FX_INT32 quietStart = start - (nextStart - start);
+        int32_t quietStart = start - (nextStart - start);
         if (quietStart >= 0) {
             FX_BOOL booT = row->IsRange(quietStart, start, FALSE, e);
             BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
             foundStart = booT;
         }
     }
     return startRange;
 }
-CFX_ByteString CBC_OneDimReader::DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, FX_INT32 hints, FX_INT32 &e)
+CFX_ByteString CBC_OneDimReader::DecodeRow(int32_t rowNumber, CBC_CommonBitArray *row, int32_t hints, int32_t &e)
 {
     CFX_Int32Array* StartPattern = FindStartGuardPattern(row, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, "");
     CBC_AutoPtr<CFX_Int32Array > result(StartPattern);
     CFX_ByteString temp = DecodeRow(rowNumber, row, result.get(), hints, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, "");
     return temp;
 }
-CFX_ByteString CBC_OneDimReader::DecodeRow(FX_INT32 rowNumber, CBC_CommonBitArray *row, CFX_Int32Array *startGuardRange, FX_INT32 hints, FX_INT32 &e)
+CFX_ByteString CBC_OneDimReader::DecodeRow(int32_t rowNumber, CBC_CommonBitArray *row, CFX_Int32Array *startGuardRange, int32_t hints, int32_t &e)
 {
     CFX_ByteString result;
-    FX_INT32 endStart = DecodeMiddle(row, startGuardRange, result, e);
+    int32_t endStart = DecodeMiddle(row, startGuardRange, result, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, "");
     FX_BOOL b = CheckChecksum(result, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, "");
     if (!b) {
         e = BCExceptionChecksumException;
         return "";
     }
     return result;
 }
-FX_BOOL CBC_OneDimReader::CheckChecksum(CFX_ByteString &s, FX_INT32 &e)
+FX_BOOL CBC_OneDimReader::CheckChecksum(CFX_ByteString &s, int32_t &e)
 {
     FX_BOOL temp = CheckStandardUPCEANChecksum(s, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
     return temp;
 }
-FX_BOOL CBC_OneDimReader::CheckStandardUPCEANChecksum(CFX_ByteString &s, FX_INT32 &e)
+FX_BOOL CBC_OneDimReader::CheckStandardUPCEANChecksum(CFX_ByteString &s, int32_t &e)
 {
-    FX_INT32 length = s.GetLength();
+    int32_t length = s.GetLength();
     if (length == 0) {
         return FALSE;
     }
-    FX_INT32 sum = 0;
-    for (FX_INT32 i = length - 2; i >= 0; i -= 2) {
-        FX_INT32 digit = (FX_INT32) s[i] - (FX_INT32) '0';
+    int32_t sum = 0;
+    for (int32_t i = length - 2; i >= 0; i -= 2) {
+        int32_t digit = (int32_t) s[i] - (int32_t) '0';
         if (digit < 0 || digit > 9) {
             e = BCExceptionFormatException;
             return FALSE;
         }
         sum += digit;
     }
     sum *= 3;
-    for (FX_INT32 j = length - 1; j >= 0; j -= 2) {
-        FX_INT32 digit = (FX_INT32) s[j] - (FX_INT32) '0';
+    for (int32_t j = length - 1; j >= 0; j -= 2) {
+        int32_t digit = (int32_t) s[j] - (int32_t) '0';
         if (digit < 0 || digit > 9) {
             e = BCExceptionFormatException;
             return FALSE;
         }
         sum += digit;
     }
     return sum % 10 == 0;
 }
-CFX_Int32Array *CBC_OneDimReader::DecodeEnd(CBC_CommonBitArray* row, FX_INT32 endStart, FX_INT32 &e)
+CFX_Int32Array *CBC_OneDimReader::DecodeEnd(CBC_CommonBitArray* row, int32_t endStart, int32_t &e)
 {
     CFX_Int32Array startEndPattern;
     startEndPattern.Add(START_END_PATTERN[0]);
     startEndPattern.Add(START_END_PATTERN[1]);
     startEndPattern.Add(START_END_PATTERN[2]);
     CFX_Int32Array* FindGuard = FindGuardPattern(row, endStart, FALSE, &startEndPattern, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return FindGuard;
 }
-CFX_Int32Array *CBC_OneDimReader::FindGuardPattern(CBC_CommonBitArray *row, FX_INT32 rowOffset, FX_BOOL whiteFirst, CFX_Int32Array *pattern, FX_INT32 &e)
+CFX_Int32Array *CBC_OneDimReader::FindGuardPattern(CBC_CommonBitArray *row, int32_t rowOffset, FX_BOOL whiteFirst, CFX_Int32Array *pattern, int32_t &e)
 {
-    FX_INT32 patternLength = pattern->GetSize();
+    int32_t patternLength = pattern->GetSize();
     CFX_Int32Array counters;
     counters.SetSize(patternLength);
-    FX_INT32 width = row->GetSize();
+    int32_t width = row->GetSize();
     FX_BOOL isWhite = FALSE;
     while (rowOffset < width) {
         isWhite = !row->Get(rowOffset);
         if (whiteFirst == isWhite) {
             break;
         }
         rowOffset++;
     }
-    FX_INT32 counterPosition = 0;
-    FX_INT32 patternStart = rowOffset;
-    for (FX_INT32 x = rowOffset; x < width; x++) {
+    int32_t counterPosition = 0;
+    int32_t patternStart = rowOffset;
+    for (int32_t x = rowOffset; x < width; x++) {
         FX_BOOL pixel = row->Get(x);
         if (pixel ^ isWhite) {
             counters[counterPosition]++;
         } else {
             if (counterPosition == patternLength - 1) {
                 if (PatternMatchVariance(&counters, &(*pattern)[0], MAX_INDIVIDUAL_VARIANCE) < MAX_AVG_VARIANCE) {
                     CFX_Int32Array *result = FX_NEW CFX_Int32Array();
                     result->SetSize(2);
                     (*result)[0] = patternStart;
                     (*result)[1] = x;
                     return result;
                 }
                 patternStart += counters[0] + counters[1];
-                for (FX_INT32 y = 2; y < patternLength; y++) {
+                for (int32_t y = 2; y < patternLength; y++) {
                     counters[y - 2] = counters[y];
                 }
                 counters[patternLength - 2] = 0;
                 counters[patternLength - 1] = 0;
                 counterPosition--;
             } else {
                 counterPosition++;
             }
             counters[counterPosition] = 1;
             isWhite = !isWhite;
         }
     }
     e = BCExceptionNotFound;
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return NULL;
 }
-FX_INT32 CBC_OneDimReader::DecodeDigit(CBC_CommonBitArray *row, CFX_Int32Array *counters, FX_INT32 rowOffset, const FX_INT32* patterns, FX_INT32 patternLength, FX_INT32 &e)
+int32_t CBC_OneDimReader::DecodeDigit(CBC_CommonBitArray *row, CFX_Int32Array *counters, int32_t rowOffset, const int32_t* patterns, int32_t patternLength, int32_t &e)
 {
     RecordPattern(row, rowOffset, counters, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-    FX_INT32 bestVariance = MAX_AVG_VARIANCE;
-    FX_INT32 bestMatch = -1;
-    FX_INT32 max = patternLength;
-    for (FX_INT32 i = 0; i < max; i++) {
-        FX_INT32 variance = PatternMatchVariance(counters, &patterns[i * 4], MAX_INDIVIDUAL_VARIANCE);
+    int32_t bestVariance = MAX_AVG_VARIANCE;
+    int32_t bestMatch = -1;
+    int32_t max = patternLength;
+    for (int32_t i = 0; i < max; i++) {
+        int32_t variance = PatternMatchVariance(counters, &patterns[i * 4], MAX_INDIVIDUAL_VARIANCE);
         if (variance < bestVariance) {
             bestVariance = variance;
             bestMatch = i;
         }
     }
     if (bestMatch >= 0) {
         return bestMatch;
     } else {
         e = BCExceptionNotFound;
         return 0;
     }
     return 0;
 }