Replace CFX_PtrArray with typesafe CFX_ArrayTemplate, Part 5

Remove unused m_pdf417byteSegments, which was coped into from
an empty array and never again referenced.

Review-Url: https://codereview.chromium.org/1927253002

11 files changed, 104 insertions, 96 deletions

diff --git a/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp b/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp
index d28a88bfbc..45aff1cae1 100644
--- a/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp
+++ b/xfa/fxbarcode/common/BC_CommonDecoderResult.cpp
@@ -44,7 +44,6 @@ void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes,
 }
 void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes,
                                    const CFX_ByteString& text,
-                                   const CFX_PtrArray& byteSegments,
                                    const CFX_ByteString& ecLevel,
                                    int32_t& e) {
   if (text.IsEmpty()) {
@@ -53,7 +52,6 @@ void CBC_CommonDecoderResult::Init(const CFX_ByteArray& rawBytes,
   }
   m_rawBytes.Copy(rawBytes);
   m_text = text;
-  m_pdf417byteSegments.Copy(byteSegments);
   m_pdf417ecLevel = ecLevel;
   m_other = NULL;
 }
diff --git a/xfa/fxbarcode/common/BC_CommonDecoderResult.h b/xfa/fxbarcode/common/BC_CommonDecoderResult.h
index 9dc4b66dce..cec7431119 100644
--- a/xfa/fxbarcode/common/BC_CommonDecoderResult.h
+++ b/xfa/fxbarcode/common/BC_CommonDecoderResult.h
@@ -27,7 +27,6 @@ class CBC_CommonDecoderResult {
                     int32_t& e);
   virtual void Init(const CFX_ByteArray& rawBytes,
                     const CFX_ByteString& text,
-                    const CFX_PtrArray& byteSegments,
                     const CFX_ByteString& ecLevel,
                     int32_t& e);
   void setOther(CBC_PDF417ResultMetadata* other);
@@ -36,7 +35,6 @@ class CBC_CommonDecoderResult {
   CFX_ByteArray m_rawBytes;
   CFX_ByteString m_text;
   CFX_Int32Array m_byteSegments;
-  CFX_PtrArray m_pdf417byteSegments;
   CBC_QRCoderErrorCorrectionLevel* m_ecLevel;
   CFX_ByteString m_pdf417ecLevel;
   CBC_PDF417ResultMetadata* m_other;
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.cpp b/xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.cpp
index 04246bd5d8..92351d0c61 100644
--- a/xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.cpp
+++ b/xfa/fxbarcode/pdf417/BC_PDF417DecodedBitStreamParser.cpp
@@ -113,9 +113,8 @@ CBC_CommonDecoderResult* CBC_DecodedBitStreamPaser::decode(
     return NULL;
   }
   CFX_ByteArray rawBytes;
-  CFX_PtrArray byteSegments;
   CBC_CommonDecoderResult* tempCd = new CBC_CommonDecoderResult();
-  tempCd->Init(rawBytes, result, byteSegments, ecLevel, e);
+  tempCd->Init(rawBytes, result, ecLevel, e);
   if (e != BCExceptionNO) {
     delete resultMetadata;
     return NULL;
diff --git a/xfa/fxbarcode/qrcode/BC_FinderPatternInfo.cpp b/xfa/fxbarcode/qrcode/BC_FinderPatternInfo.cpp
index 25dc28b3f3..63b3ab790d 100644
--- a/xfa/fxbarcode/qrcode/BC_FinderPatternInfo.cpp
+++ b/xfa/fxbarcode/qrcode/BC_FinderPatternInfo.cpp
@@ -24,18 +24,23 @@
 #include "xfa/fxbarcode/qrcode/BC_FinderPatternInfo.h"
 #include "xfa/fxbarcode/qrcode/BC_QRFinderPattern.h"
 
-CBC_QRFinderPatternInfo::CBC_QRFinderPatternInfo(CFX_PtrArray* patternCenters) {
-  m_bottomLeft = (CBC_QRFinderPattern*)(*patternCenters)[0];
-  m_topLeft = (CBC_QRFinderPattern*)(*patternCenters)[1];
-  m_topRight = (CBC_QRFinderPattern*)(*patternCenters)[2];
+CBC_QRFinderPatternInfo::CBC_QRFinderPatternInfo(
+    CFX_ArrayTemplate<CBC_QRFinderPattern*>* patternCenters) {
+  m_bottomLeft = (*patternCenters)[0];
+  m_topLeft = (*patternCenters)[1];
+  m_topRight = (*patternCenters)[2];
 }
+
 CBC_QRFinderPatternInfo::~CBC_QRFinderPatternInfo() {}
-CBC_QRFinderPattern* CBC_QRFinderPatternInfo::GetBottomLeft() {
+
+CBC_QRFinderPattern* CBC_QRFinderPatternInfo::GetBottomLeft() const {
   return m_bottomLeft;
 }
-CBC_QRFinderPattern* CBC_QRFinderPatternInfo::GetTopLeft() {
+
+CBC_QRFinderPattern* CBC_QRFinderPatternInfo::GetTopLeft() const {
   return m_topLeft;
 }
-CBC_QRFinderPattern* CBC_QRFinderPatternInfo::GetTopRight() {
+
+CBC_QRFinderPattern* CBC_QRFinderPatternInfo::GetTopRight() const {
   return m_topRight;
 }
diff --git a/xfa/fxbarcode/qrcode/BC_FinderPatternInfo.h b/xfa/fxbarcode/qrcode/BC_FinderPatternInfo.h
index 1091d6723d..6d0cb60f2f 100644
--- a/xfa/fxbarcode/qrcode/BC_FinderPatternInfo.h
+++ b/xfa/fxbarcode/qrcode/BC_FinderPatternInfo.h
@@ -12,17 +12,19 @@
 class CBC_QRFinderPattern;
 
 class CBC_QRFinderPatternInfo {
+ public:
+  explicit CBC_QRFinderPatternInfo(
+      CFX_ArrayTemplate<CBC_QRFinderPattern*>* patternCenters);
+  ~CBC_QRFinderPatternInfo();
+
+  CBC_QRFinderPattern* GetBottomLeft() const;
+  CBC_QRFinderPattern* GetTopLeft() const;
+  CBC_QRFinderPattern* GetTopRight() const;
+
  private:
   CBC_QRFinderPattern* m_bottomLeft;
   CBC_QRFinderPattern* m_topLeft;
   CBC_QRFinderPattern* m_topRight;
-
- public:
-  CBC_QRFinderPatternInfo(CFX_PtrArray* patternCenters);
-  virtual ~CBC_QRFinderPatternInfo();
-  CBC_QRFinderPattern* GetBottomLeft();
-  CBC_QRFinderPattern* GetTopLeft();
-  CBC_QRFinderPattern* GetTopRight();
 };
 
 #endif  // XFA_FXBARCODE_QRCODE_BC_FINDERPATTERNINFO_H_
diff --git a/xfa/fxbarcode/qrcode/BC_QRAlignmentPatternFinder.cpp b/xfa/fxbarcode/qrcode/BC_QRAlignmentPatternFinder.cpp
index 8c462bf328..75565ca641 100644
--- a/xfa/fxbarcode/qrcode/BC_QRAlignmentPatternFinder.cpp
+++ b/xfa/fxbarcode/qrcode/BC_QRAlignmentPatternFinder.cpp
@@ -40,12 +40,12 @@ CBC_QRAlignmentPatternFinder::CBC_QRAlignmentPatternFinder(
       m_moduleSize(moduleSize) {
   m_crossCheckStateCount.SetSize(3);
 }
+
 CBC_QRAlignmentPatternFinder::~CBC_QRAlignmentPatternFinder() {
-  for (int32_t i = 0; i < m_possibleCenters.GetSize(); i++) {
-    delete (CBC_QRAlignmentPattern*)m_possibleCenters[i];
-  }
-  m_possibleCenters.RemoveAll();
+  for (int32_t i = 0; i < m_possibleCenters.GetSize(); i++)
+    delete m_possibleCenters[i];
 }
+
 CBC_QRAlignmentPattern* CBC_QRAlignmentPatternFinder::Find(int32_t& e) {
   int32_t startX = m_startX;
   int32_t height = m_height;
@@ -102,7 +102,7 @@ CBC_QRAlignmentPattern* CBC_QRAlignmentPatternFinder::Find(int32_t& e) {
     }
   }
   if (m_possibleCenters.GetSize() != 0) {
-    return ((CBC_QRAlignmentPattern*)(m_possibleCenters[0]))->Clone();
+    return m_possibleCenters[0]->Clone();
   }
   e = BCExceptionRead;
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
@@ -186,8 +186,7 @@ CBC_QRAlignmentPattern* CBC_QRAlignmentPatternFinder::HandlePossibleCenter(
         (FX_FLOAT)(stateCount[0] + stateCount[1] + stateCount[2]) / 3.0f;
     int32_t max = m_possibleCenters.GetSize();
     for (int32_t index = 0; index < max; index++) {
-      CBC_QRAlignmentPattern* center =
-          (CBC_QRAlignmentPattern*)(m_possibleCenters[index]);
+      CBC_QRAlignmentPattern* center = m_possibleCenters[index];
       if (center->AboutEquals(estimatedModuleSize, centerI, centerJ)) {
         return new CBC_QRAlignmentPattern(centerJ, centerI,
                                           estimatedModuleSize);
diff --git a/xfa/fxbarcode/qrcode/BC_QRAlignmentPatternFinder.h b/xfa/fxbarcode/qrcode/BC_QRAlignmentPatternFinder.h
index d227708fd8..e524c4bdaf 100644
--- a/xfa/fxbarcode/qrcode/BC_QRAlignmentPatternFinder.h
+++ b/xfa/fxbarcode/qrcode/BC_QRAlignmentPatternFinder.h
@@ -14,16 +14,6 @@ class CBC_CommonBitMatrix;
 class CBC_QRAlignmentPattern;
 
 class CBC_QRAlignmentPatternFinder {
- private:
-  CBC_CommonBitMatrix* m_image;
-  CFX_PtrArray m_possibleCenters;
-  int32_t m_startX;
-  int32_t m_startY;
-  int32_t m_width;
-  int32_t m_height;
-  FX_FLOAT m_moduleSize;
-  CFX_Int32Array m_crossCheckStateCount;
-
  public:
   CBC_QRAlignmentPatternFinder(CBC_CommonBitMatrix* image,
                                int32_t startX,
@@ -42,6 +32,16 @@ class CBC_QRAlignmentPatternFinder {
                                                int32_t i,
                                                int32_t j);
   static FX_FLOAT CenterFromEnd(const CFX_Int32Array& stateCount, int32_t end);
+
+ private:
+  CBC_CommonBitMatrix* m_image;
+  CFX_ArrayTemplate<CBC_QRAlignmentPattern*> m_possibleCenters;
+  int32_t m_startX;
+  int32_t m_startY;
+  int32_t m_width;
+  int32_t m_height;
+  FX_FLOAT m_moduleSize;
+  CFX_Int32Array m_crossCheckStateCount;
 };
 
 #endif  // XFA_FXBARCODE_QRCODE_BC_QRALIGNMENTPATTERNFINDER_H_
diff --git a/xfa/fxbarcode/qrcode/BC_QRFinderPattern.cpp b/xfa/fxbarcode/qrcode/BC_QRFinderPattern.cpp
index 5039920e32..1bc9648835 100644
--- a/xfa/fxbarcode/qrcode/BC_QRFinderPattern.cpp
+++ b/xfa/fxbarcode/qrcode/BC_QRFinderPattern.cpp
@@ -44,7 +44,7 @@ CBC_QRFinderPattern* CBC_QRFinderPattern::Clone() {
 FX_FLOAT CBC_QRFinderPattern::GetEstimatedModuleSize() {
   return m_estimatedModuleSize;
 }
-int32_t CBC_QRFinderPattern::GetCount() {
+int32_t CBC_QRFinderPattern::GetCount() const {
   return m_count;
 }
 void CBC_QRFinderPattern::IncrementCount() {
diff --git a/xfa/fxbarcode/qrcode/BC_QRFinderPattern.h b/xfa/fxbarcode/qrcode/BC_QRFinderPattern.h
index bf3adffea4..0dc2f3cfcb 100644
--- a/xfa/fxbarcode/qrcode/BC_QRFinderPattern.h
+++ b/xfa/fxbarcode/qrcode/BC_QRFinderPattern.h
@@ -18,7 +18,7 @@ class CBC_QRFinderPattern : public CBC_ResultPoint {
   CBC_QRFinderPattern(FX_FLOAT x, FX_FLOAT posY, FX_FLOAT estimatedModuleSize);
   virtual ~CBC_QRFinderPattern();
 
-  int32_t GetCount();
+  int32_t GetCount() const;
   FX_FLOAT GetX();
   FX_FLOAT GetY();
   FX_FLOAT GetEstimatedModuleSize();
diff --git a/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.cpp b/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.cpp
index ea08f1550d..dc63131d01 100644
--- a/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.cpp
+++ b/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.cpp
@@ -42,12 +42,12 @@ CBC_QRFinderPatternFinder::CBC_QRFinderPatternFinder(
   m_crossCheckStateCount.SetSize(5);
   m_hasSkipped = FALSE;
 }
+
 CBC_QRFinderPatternFinder::~CBC_QRFinderPatternFinder() {
-  for (int32_t i = 0; i < m_possibleCenters.GetSize(); i++) {
-    delete (CBC_QRFinderPattern*)m_possibleCenters[i];
-  }
-  m_possibleCenters.RemoveAll();
+  for (int32_t i = 0; i < m_possibleCenters.GetSize(); i++)
+    delete m_possibleCenters[i];
 }
+
 class ClosestToAverageComparator {
  private:
   FX_FLOAT m_averageModuleSize;
@@ -80,9 +80,12 @@ CFX_Int32Array& CBC_QRFinderPatternFinder::GetCrossCheckStateCount() {
   m_crossCheckStateCount[4] = 0;
   return m_crossCheckStateCount;
 }
-CFX_PtrArray* CBC_QRFinderPatternFinder::GetPossibleCenters() {
+
+CFX_ArrayTemplate<CBC_QRFinderPattern*>*
+CBC_QRFinderPatternFinder::GetPossibleCenters() {
   return &m_possibleCenters;
 }
+
 CBC_QRFinderPatternInfo* CBC_QRFinderPatternFinder::Find(int32_t hint,
                                                          int32_t& e) {
   int32_t maxI = m_image->GetHeight();
@@ -161,31 +164,32 @@ CBC_QRFinderPatternInfo* CBC_QRFinderPatternFinder::Find(int32_t hint,
       }
     }
   }
-  std::unique_ptr<CFX_PtrArray> patternInfo(SelectBestpatterns(e));
+  std::unique_ptr<CFX_ArrayTemplate<CBC_QRFinderPattern*>> patternInfo(
+      SelectBestpatterns(e));
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   OrderBestPatterns(patternInfo.get());
   return new CBC_QRFinderPatternInfo(patternInfo.get());
 }
-void CBC_QRFinderPatternFinder::OrderBestPatterns(CFX_PtrArray* patterns) {
-  FX_FLOAT abDistance = Distance((CBC_ResultPoint*)(*patterns)[0],
-                                 (CBC_ResultPoint*)(*patterns)[1]);
-  FX_FLOAT bcDistance = Distance((CBC_ResultPoint*)(*patterns)[1],
-                                 (CBC_ResultPoint*)(*patterns)[2]);
-  FX_FLOAT acDistance = Distance((CBC_ResultPoint*)(*patterns)[0],
-                                 (CBC_ResultPoint*)(*patterns)[2]);
-  CBC_QRFinderPattern *topLeft, *topRight, *bottomLeft;
+void CBC_QRFinderPatternFinder::OrderBestPatterns(
+    CFX_ArrayTemplate<CBC_QRFinderPattern*>* patterns) {
+  FX_FLOAT abDistance = Distance((*patterns)[0], (*patterns)[1]);
+  FX_FLOAT bcDistance = Distance((*patterns)[1], (*patterns)[2]);
+  FX_FLOAT acDistance = Distance((*patterns)[0], (*patterns)[2]);
+  CBC_QRFinderPattern* topLeft;
+  CBC_QRFinderPattern* topRight;
+  CBC_QRFinderPattern* bottomLeft;
   if (bcDistance >= abDistance && bcDistance >= acDistance) {
-    topLeft = (CBC_QRFinderPattern*)(*patterns)[0];
-    topRight = (CBC_QRFinderPattern*)(*patterns)[1];
-    bottomLeft = (CBC_QRFinderPattern*)(*patterns)[2];
+    topLeft = (*patterns)[0];
+    topRight = (*patterns)[1];
+    bottomLeft = (*patterns)[2];
   } else if (acDistance >= bcDistance && acDistance >= abDistance) {
-    topLeft = (CBC_QRFinderPattern*)(*patterns)[1];
-    topRight = (CBC_QRFinderPattern*)(*patterns)[0];
-    bottomLeft = (CBC_QRFinderPattern*)(*patterns)[2];
+    topLeft = (*patterns)[1];
+    topRight = (*patterns)[0];
+    bottomLeft = (*patterns)[2];
   } else {
-    topLeft = (CBC_QRFinderPattern*)(*patterns)[2];
-    topRight = (CBC_QRFinderPattern*)(*patterns)[0];
-    bottomLeft = (CBC_QRFinderPattern*)(*patterns)[1];
+    topLeft = (*patterns)[2];
+    topRight = (*patterns)[0];
+    bottomLeft = (*patterns)[1];
   }
   if ((bottomLeft->GetY() - topLeft->GetY()) *
           (topRight->GetX() - topLeft->GetX()) <
@@ -375,8 +379,7 @@ FX_BOOL CBC_QRFinderPatternFinder::HandlePossibleCenter(
       FX_BOOL found = FALSE;
       int32_t max = m_possibleCenters.GetSize();
       for (int32_t index = 0; index < max; index++) {
-        CBC_QRFinderPattern* center =
-            (CBC_QRFinderPattern*)(m_possibleCenters[index]);
+        CBC_QRFinderPattern* center = m_possibleCenters[index];
         if (center->AboutEquals(estimatedModuleSize, centerI, centerJ)) {
           center->IncrementCount();
           found = TRUE;
@@ -399,7 +402,7 @@ int32_t CBC_QRFinderPatternFinder::FindRowSkip() {
   }
   FinderPattern* firstConfirmedCenter = NULL;
   for (int32_t i = 0; i < max; i++) {
-    CBC_QRFinderPattern* center = (CBC_QRFinderPattern*)m_possibleCenters[i];
+    CBC_QRFinderPattern* center = m_possibleCenters[i];
     if (center->GetCount() >= CENTER_QUORUM) {
       if (firstConfirmedCenter == NULL) {
         firstConfirmedCenter = center;
@@ -419,7 +422,7 @@ FX_BOOL CBC_QRFinderPatternFinder::HaveMultiplyConfirmedCenters() {
   int32_t max = m_possibleCenters.GetSize();
   int32_t i;
   for (i = 0; i < max; i++) {
-    CBC_QRFinderPattern* pattern = (CBC_QRFinderPattern*)m_possibleCenters[i];
+    CBC_QRFinderPattern* pattern = m_possibleCenters[i];
     if (pattern->GetCount() >= CENTER_QUORUM) {
       confirmedCount++;
       totalModuleSize += pattern->GetEstimatedModuleSize();
@@ -431,16 +434,14 @@ FX_BOOL CBC_QRFinderPatternFinder::HaveMultiplyConfirmedCenters() {
   FX_FLOAT average = totalModuleSize / (FX_FLOAT)max;
   FX_FLOAT totalDeviation = 0.0f;
   for (i = 0; i < max; i++) {
-    CBC_QRFinderPattern* pattern = (CBC_QRFinderPattern*)m_possibleCenters[i];
+    CBC_QRFinderPattern* pattern = m_possibleCenters[i];
     totalDeviation += fabs(pattern->GetEstimatedModuleSize() - average);
   }
   return totalDeviation <= 0.05f * totalModuleSize;
 }
-inline FX_BOOL centerComparator(void* a, void* b) {
-  return ((CBC_QRFinderPattern*)b)->GetCount() <
-         ((CBC_QRFinderPattern*)a)->GetCount();
-}
-CFX_PtrArray* CBC_QRFinderPatternFinder::SelectBestpatterns(int32_t& e) {
+
+CFX_ArrayTemplate<CBC_QRFinderPattern*>*
+CBC_QRFinderPatternFinder::SelectBestpatterns(int32_t& e) {
   int32_t startSize = m_possibleCenters.GetSize();
   if (m_possibleCenters.GetSize() < 3) {
     e = BCExceptionRead;
@@ -449,15 +450,14 @@ CFX_PtrArray* CBC_QRFinderPatternFinder::SelectBestpatterns(int32_t& e) {
   FX_FLOAT average = 0.0f;
   if (startSize > 3) {
     FX_FLOAT totalModuleSize = 0.0f;
-    for (int32_t i = 0; i < startSize; i++) {
-      totalModuleSize += ((CBC_QRFinderPattern*)m_possibleCenters[i])
-                             ->GetEstimatedModuleSize();
-    }
+    for (int32_t i = 0; i < startSize; i++)
+      totalModuleSize += m_possibleCenters[i]->GetEstimatedModuleSize();
+
     average = totalModuleSize / (FX_FLOAT)startSize;
     for (int32_t j = 0;
          j < m_possibleCenters.GetSize() && m_possibleCenters.GetSize() > 3;
          j++) {
-      CBC_QRFinderPattern* pattern = (CBC_QRFinderPattern*)m_possibleCenters[j];
+      CBC_QRFinderPattern* pattern = m_possibleCenters[j];
       if (fabs(pattern->GetEstimatedModuleSize() - average) > 0.2f * average) {
         delete pattern;
         m_possibleCenters.RemoveAt(j);
@@ -466,12 +466,17 @@ CFX_PtrArray* CBC_QRFinderPatternFinder::SelectBestpatterns(int32_t& e) {
     }
   }
   if (m_possibleCenters.GetSize() > 3) {
-    BC_FX_PtrArray_Sort(m_possibleCenters, centerComparator);
-  }
-  CFX_PtrArray* vec = new CFX_PtrArray();
+    std::sort(m_possibleCenters.GetData(),
+              m_possibleCenters.GetData() + m_possibleCenters.GetSize(),
+              [](const CBC_QRFinderPattern* a, CBC_QRFinderPattern* b) {
+                return a->GetCount() > b->GetCount();  // e.g. Descending.
+              });
+  }
+  CFX_ArrayTemplate<CBC_QRFinderPattern*>* vec =
+      new CFX_ArrayTemplate<CBC_QRFinderPattern*>();
   vec->SetSize(3);
-  (*vec)[0] = ((CBC_QRFinderPattern*)m_possibleCenters[0])->Clone();
-  (*vec)[1] = ((CBC_QRFinderPattern*)m_possibleCenters[1])->Clone();
-  (*vec)[2] = ((CBC_QRFinderPattern*)m_possibleCenters[2])->Clone();
+  (*vec)[0] = m_possibleCenters[0]->Clone();
+  (*vec)[1] = m_possibleCenters[1]->Clone();
+  (*vec)[2] = m_possibleCenters[2]->Clone();
   return vec;
 }
diff --git a/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h b/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h
index ada224787b..60ec184fe4 100644
--- a/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h
+++ b/xfa/fxbarcode/qrcode/BC_QRFinderPatternFinder.h
@@ -15,16 +15,6 @@ class CBC_ResultPoint;
 class CBC_QRFinderPatternInfo;
 
 class CBC_QRFinderPatternFinder {
- private:
-  static const int32_t CENTER_QUORUM;
-  static const int32_t MIN_SKIP;
-  static const int32_t MAX_MODULES;
-  static const int32_t INTEGER_MATH_SHIFT;
-  FX_BOOL m_hasSkipped;
-  CBC_CommonBitMatrix* m_image;
-  CFX_Int32Array m_crossCheckStateCount;
-  CFX_PtrArray m_possibleCenters;
-
  public:
   CBC_QRFinderPatternFinder(CBC_CommonBitMatrix* image);
   virtual ~CBC_QRFinderPatternFinder();
@@ -33,8 +23,8 @@ class CBC_QRFinderPatternFinder {
   CBC_QRFinderPatternInfo* Find(int32_t hint, int32_t& e);
 
   CFX_Int32Array& GetCrossCheckStateCount();
-  CFX_PtrArray* GetPossibleCenters();
-  CFX_PtrArray* SelectBestpatterns(int32_t& e);
+  CFX_ArrayTemplate<CBC_QRFinderPattern*>* GetPossibleCenters();
+  CFX_ArrayTemplate<CBC_QRFinderPattern*>* SelectBestpatterns(int32_t& e);
 
   FX_BOOL HandlePossibleCenter(const CFX_Int32Array& stateCount,
                                int32_t i,
@@ -49,9 +39,21 @@ class CBC_QRFinderPatternFinder {
                                 int32_t CenterI,
                                 int32_t maxCOunt,
                                 int32_t originalStateCountTotal);
-  static void OrderBestPatterns(CFX_PtrArray* patterns);
+  static void OrderBestPatterns(
+      CFX_ArrayTemplate<CBC_QRFinderPattern*>* patterns);
   static FX_BOOL FoundPatternCross(const CFX_Int32Array& stateCount);
   static FX_FLOAT Distance(CBC_ResultPoint* point1, CBC_ResultPoint* point2);
+
+ private:
+  static const int32_t CENTER_QUORUM;
+  static const int32_t MIN_SKIP;
+  static const int32_t MAX_MODULES;
+  static const int32_t INTEGER_MATH_SHIFT;
+
+  FX_BOOL m_hasSkipped;
+  CBC_CommonBitMatrix* m_image;
+  CFX_Int32Array m_crossCheckStateCount;
+  CFX_ArrayTemplate<CBC_QRFinderPattern*> m_possibleCenters;
 };
 
 #endif  // XFA_FXBARCODE_QRCODE_BC_QRFINDERPATTERNFINDER_H_