Make a few more const tables smaller.

xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.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 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_QRCoderErrorCorrectionLevel.h"
 #include "xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.h"
 #include "xfa/fxbarcode/utils.h"
 
-const int32_t CBC_QRCoderFormatInformation::FORMAT_INFO_MASK_QR = 0X5412;
-const int32_t CBC_QRCoderFormatInformation::FORMAT_INFO_DECODE_LOOKUP[32][2] = {
-    {0x5412, 0x00}, {0x5125, 0x01}, {0x5E7C, 0x02}, {0x5B4B, 0x03},
-    {0x45F9, 0x04}, {0x40CE, 0x05}, {0x4F97, 0x06}, {0x4AA0, 0x07},
-    {0x77C4, 0x08}, {0x72F3, 0x09}, {0x7DAA, 0x0A}, {0x789D, 0x0B},
-    {0x662F, 0x0C}, {0x6318, 0x0D}, {0x6C41, 0x0E}, {0x6976, 0x0F},
-    {0x1689, 0x10}, {0x13BE, 0x11}, {0x1CE7, 0x12}, {0x19D0, 0x13},
-    {0x0762, 0x14}, {0x0255, 0x15}, {0x0D0C, 0x16}, {0x083B, 0x17},
-    {0x355F, 0x18}, {0x3068, 0x19}, {0x3F31, 0x1A}, {0x3A06, 0x1B},
-    {0x24B4, 0x1C}, {0x2183, 0x1D}, {0x2EDA, 0x1E}, {0x2BED, 0x1F},
+const uint16_t CBC_QRCoderFormatInformation::FORMAT_INFO_MASK_QR = 0X5412;
+const uint16_t CBC_QRCoderFormatInformation::FORMAT_INFO_DECODE_LOOKUP[32][2] =
+    {
+        {0x5412, 0x00}, {0x5125, 0x01}, {0x5E7C, 0x02}, {0x5B4B, 0x03},
+        {0x45F9, 0x04}, {0x40CE, 0x05}, {0x4F97, 0x06}, {0x4AA0, 0x07},
+        {0x77C4, 0x08}, {0x72F3, 0x09}, {0x7DAA, 0x0A}, {0x789D, 0x0B},
+        {0x662F, 0x0C}, {0x6318, 0x0D}, {0x6C41, 0x0E}, {0x6976, 0x0F},
+        {0x1689, 0x10}, {0x13BE, 0x11}, {0x1CE7, 0x12}, {0x19D0, 0x13},
+        {0x0762, 0x14}, {0x0255, 0x15}, {0x0D0C, 0x16}, {0x083B, 0x17},
+        {0x355F, 0x18}, {0x3068, 0x19}, {0x3F31, 0x1A}, {0x3A06, 0x1B},
+        {0x24B4, 0x1C}, {0x2183, 0x1D}, {0x2EDA, 0x1E}, {0x2BED, 0x1F},
 };
-const int32_t CBC_QRCoderFormatInformation::BITS_SET_IN_HALF_BYTE[] = {
+const uint8_t CBC_QRCoderFormatInformation::BITS_SET_IN_HALF_BYTE[] = {
     0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4};
 
 CBC_QRCoderFormatInformation::CBC_QRCoderFormatInformation(int32_t formatInfo) {
   m_errorCorrectLevl =
       CBC_QRCoderErrorCorrectionLevel::ForBits((formatInfo >> 3) & 0x03);
   m_dataMask = (uint8_t)(formatInfo & 0x07);
 }
 CBC_QRCoderFormatInformation::~CBC_QRCoderFormatInformation() {}
 int32_t CBC_QRCoderFormatInformation::NumBitsDiffering(int32_t a, int32_t b) {
   a ^= b;
@@ skipping 21 matching lines @@
   if (formatInfo)
     return formatInfo;
   return DoDecodeFormatInformation(maskedFormatInfo ^ FORMAT_INFO_MASK_QR);
 }
 CBC_QRCoderFormatInformation*
 CBC_QRCoderFormatInformation::DoDecodeFormatInformation(
     int32_t maskedFormatInfo) {
   int32_t bestDifference = (int32_t)FXSYS_nan();
   int32_t bestFormatInfo = 0;
   for (int32_t i = 0; i < 32; i++) {
-    int32_t const* decodeInfo = &FORMAT_INFO_DECODE_LOOKUP[i][0];
-    int32_t targetInfo = decodeInfo[0];
+    uint16_t const* decodeInfo = &FORMAT_INFO_DECODE_LOOKUP[i][0];
+    uint16_t targetInfo = decodeInfo[0];
     if (targetInfo == maskedFormatInfo) {
       return new CBC_QRCoderFormatInformation(decodeInfo[1]);
     }
     int32_t bitsDifference = NumBitsDiffering(maskedFormatInfo, targetInfo);
     if (bitsDifference < bestDifference) {
       bestFormatInfo = decodeInfo[1];
       bestDifference = bitsDifference;
     }
   }
   if (bestDifference <= 3) {
     return new CBC_QRCoderFormatInformation(bestFormatInfo);
   }
   return NULL;
 }