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

xfa/src/fxbarcode/pdf417/BC_PDF417Detector.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 2009 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 10 matching lines @@
  */
 
 #include "../barcode.h"
 #include "../BC_ResultPoint.h"
 #include "../BC_BinaryBitmap.h"
 #include "../common/BC_CommonBitMatrix.h"
 #include "../common/BC_CommonBitArray.h"
 #include "BC_PDF417DetectorResult.h"
 #include "BC_PDF417Detector.h"
 #define  INTERGER_MAX     2147483647
-FX_INT32 CBC_Detector::INDEXES_START_PATTERN[] = {0, 4, 1, 5};
-FX_INT32 CBC_Detector::INDEXES_STOP_PATTERN[] = {6, 2, 7, 3};
-FX_INT32 CBC_Detector::INTEGER_MATH_SHIFT = 8;
-FX_INT32 CBC_Detector::PATTERN_MATCH_RESULT_SCALE_FACTOR = 1 << INTEGER_MATH_SHIFT;
-FX_INT32 CBC_Detector::MAX_AVG_VARIANCE = (FX_INT32) (PATTERN_MATCH_RESULT_SCALE_FACTOR * 0.42f);
-FX_INT32 CBC_Detector::MAX_INDIVIDUAL_VARIANCE = (FX_INT32) (PATTERN_MATCH_RESULT_SCALE_FACTOR * 0.8f);
-FX_INT32 CBC_Detector::START_PATTERN[] = {8, 1, 1, 1, 1, 1, 1, 3};
-FX_INT32 CBC_Detector::STOP_PATTERN[] = {7, 1, 1, 3, 1, 1, 1, 2, 1};
-FX_INT32 CBC_Detector::MAX_PIXEL_DRIFT = 3;
-FX_INT32 CBC_Detector::MAX_PATTERN_DRIFT = 5;
-FX_INT32 CBC_Detector::SKIPPED_ROW_COUNT_MAX = 25;
-FX_INT32 CBC_Detector::ROW_STEP = 5;
-FX_INT32 CBC_Detector::BARCODE_MIN_HEIGHT = 10;
+int32_t CBC_Detector::INDEXES_START_PATTERN[] = {0, 4, 1, 5};
+int32_t CBC_Detector::INDEXES_STOP_PATTERN[] = {6, 2, 7, 3};
+int32_t CBC_Detector::INTEGER_MATH_SHIFT = 8;
+int32_t CBC_Detector::PATTERN_MATCH_RESULT_SCALE_FACTOR = 1 << INTEGER_MATH_SHIFT;
+int32_t CBC_Detector::MAX_AVG_VARIANCE = (int32_t) (PATTERN_MATCH_RESULT_SCALE_FACTOR * 0.42f);
+int32_t CBC_Detector::MAX_INDIVIDUAL_VARIANCE = (int32_t) (PATTERN_MATCH_RESULT_SCALE_FACTOR * 0.8f);
+int32_t CBC_Detector::START_PATTERN[] = {8, 1, 1, 1, 1, 1, 1, 3};
+int32_t CBC_Detector::STOP_PATTERN[] = {7, 1, 1, 3, 1, 1, 1, 2, 1};
+int32_t CBC_Detector::MAX_PIXEL_DRIFT = 3;
+int32_t CBC_Detector::MAX_PATTERN_DRIFT = 5;
+int32_t CBC_Detector::SKIPPED_ROW_COUNT_MAX = 25;
+int32_t CBC_Detector::ROW_STEP = 5;
+int32_t CBC_Detector::BARCODE_MIN_HEIGHT = 10;
 CBC_Detector::CBC_Detector()
 {
 }
 CBC_Detector::~CBC_Detector()
 {
 }
-CBC_PDF417DetectorResult* CBC_Detector::detect(CBC_BinaryBitmap* image, FX_INT32 hints, FX_BOOL multiple, FX_INT32 &e)
+CBC_PDF417DetectorResult* CBC_Detector::detect(CBC_BinaryBitmap* image, int32_t hints, FX_BOOL multiple, int32_t &e)
 {
     CBC_CommonBitMatrix* bitMatrix = image->GetBlackMatrix(e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CFX_PtrArray* barcodeCoordinates = detect(multiple, bitMatrix);
     if (barcodeCoordinates->GetSize() == 0) {
         rotate180(bitMatrix);
         barcodeCoordinates = detect(multiple, bitMatrix);
     }
     if (barcodeCoordinates->GetSize() == 0) {
         e = BCExceptionUnSupportedBarcode;
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
     CBC_PDF417DetectorResult* detectorResult = FX_NEW CBC_PDF417DetectorResult(bitMatrix, barcodeCoordinates);
     return detectorResult;
 }
 void CBC_Detector::rotate180(CBC_CommonBitMatrix* bitMatrix)
 {
-    FX_INT32 width = bitMatrix->GetWidth();
-    FX_INT32 height = bitMatrix->GetHeight();
+    int32_t width = bitMatrix->GetWidth();
+    int32_t height = bitMatrix->GetHeight();
     CBC_CommonBitArray* firstRowBitArray = FX_NEW CBC_CommonBitArray(width);
     CBC_CommonBitArray* secondRowBitArray = FX_NEW CBC_CommonBitArray(width);
     CBC_CommonBitArray* tmpBitArray = FX_NEW CBC_CommonBitArray(width);
-    for (FX_INT32 y = 0; y < (height + 1) >> 1; y++) {
+    for (int32_t y = 0; y < (height + 1) >> 1; y++) {
         CBC_CommonBitArray* temp = bitMatrix->GetRow(height - 1 - y, secondRowBitArray);
         CBC_CommonBitArray* tempfirstRow = firstRowBitArray;
         firstRowBitArray = bitMatrix->GetRow(y, tempfirstRow);
         delete tempfirstRow;
         CBC_CommonBitArray* row = mirror(temp, tmpBitArray);
         delete temp;
         bitMatrix->SetRow(y, row);
         delete row;
         CBC_CommonBitArray* rowfirstRow = mirror(firstRowBitArray, tmpBitArray);
         bitMatrix->SetRow(height - 1 - y, rowfirstRow);
         delete rowfirstRow;
     }
     delete tmpBitArray;
     delete firstRowBitArray;
     delete secondRowBitArray;
 }
 CBC_CommonBitArray* CBC_Detector::mirror(CBC_CommonBitArray* input, CBC_CommonBitArray* result)
 {
     CBC_CommonBitArray* array = FX_NEW CBC_CommonBitArray(result->GetSize());
     array->Clear();
-    FX_INT32 size = input->GetSize();
-    for (FX_INT32 i = 0; i < size; i++) {
+    int32_t size = input->GetSize();
+    for (int32_t i = 0; i < size; i++) {
         if (input->Get(i)) {
             array->Set(size - 1 - i);
         }
     }
     return array;
 }
 CFX_PtrArray* CBC_Detector::detect(FX_BOOL multiple, CBC_CommonBitMatrix* bitMatrix)
 {
     CFX_PtrArray* barcodeCoordinates = FX_NEW CFX_PtrArray;
-    FX_INT32 row = 0;
-    FX_INT32 column = 0;
+    int32_t row = 0;
+    int32_t column = 0;
     FX_BOOL foundBarcodeInRow = FALSE;
     while (row < bitMatrix->GetHeight()) {
         CFX_PtrArray* vertices = findVertices(bitMatrix, row, column);
         if (vertices->GetAt(0) == NULL && vertices->GetAt(3) == NULL) {
             if (!foundBarcodeInRow) {
                 if (vertices) {
                     delete(vertices);
                 }
                 break;
             }
             foundBarcodeInRow = FALSE;
             column = 0;
-            for (FX_INT32 i = 0; i < barcodeCoordinates->GetSize(); i++) {
+            for (int32_t i = 0; i < barcodeCoordinates->GetSize(); i++) {
                 CFX_PtrArray* barcodeCoordinate = (CFX_PtrArray*)barcodeCoordinates->GetAt(i);
                 if (barcodeCoordinate->GetAt(1) != NULL) {
                     row = row > ((CBC_ResultPoint*)barcodeCoordinate->GetAt(1))->GetY();
                 }
                 if (barcodeCoordinate->GetAt(3) != NULL) {
                     row = row > ((CBC_ResultPoint*)barcodeCoordinate->GetAt(3))->GetY();
                 }
             }
             row += ROW_STEP;
             if (vertices) {
                 delete(vertices);
             }
             continue;
         }
         foundBarcodeInRow = TRUE;
         barcodeCoordinates->Add(vertices);
         if (!multiple) {
             break;
         }
         if (vertices->GetAt(2) != NULL) {
-            column = (FX_INT32) ((CBC_ResultPoint*)vertices->GetAt(2))->GetX();
-            row = (FX_INT32) ((CBC_ResultPoint*)vertices->GetAt(2))->GetY();
+            column = (int32_t) ((CBC_ResultPoint*)vertices->GetAt(2))->GetX();
+            row = (int32_t) ((CBC_ResultPoint*)vertices->GetAt(2))->GetY();
         } else {
-            column = (FX_INT32) ((CBC_ResultPoint*)vertices->GetAt(4))->GetX();
-            row = (FX_INT32) ((CBC_ResultPoint*)vertices->GetAt(4))->GetY();
+            column = (int32_t) ((CBC_ResultPoint*)vertices->GetAt(4))->GetX();
+            row = (int32_t) ((CBC_ResultPoint*)vertices->GetAt(4))->GetY();
         }
     }
     return barcodeCoordinates;
 }
-CFX_PtrArray* CBC_Detector::findVertices(CBC_CommonBitMatrix* matrix, FX_INT32 startRow, FX_INT32 startColumn)
+CFX_PtrArray* CBC_Detector::findVertices(CBC_CommonBitMatrix* matrix, int32_t startRow, int32_t startColumn)
 {
-    FX_INT32 height = matrix->GetHeight();
-    FX_INT32 width = matrix->GetWidth();
+    int32_t height = matrix->GetHeight();
+    int32_t width = matrix->GetWidth();
     CFX_PtrArray* result = FX_NEW CFX_PtrArray;
     result->SetSize(8);
     CFX_PtrArray* startptr =  findRowsWithPattern(matrix, height, width, startRow, startColumn, START_PATTERN, sizeof(START_PATTERN) / sizeof(START_PATTERN[0]));
     copyToResult(result, startptr, INDEXES_START_PATTERN, sizeof(INDEXES_START_PATTERN) / sizeof(INDEXES_START_PATTERN[0]));
     startptr->RemoveAll();
     delete startptr;
     if (result->GetAt(4) != NULL) {
-        startColumn = (FX_INT32) ((CBC_ResultPoint*)result->GetAt(4))->GetX();
-        startRow = (FX_INT32) ((CBC_ResultPoint*)result->GetAt(4))->GetY();
+        startColumn = (int32_t) ((CBC_ResultPoint*)result->GetAt(4))->GetX();
+        startRow = (int32_t) ((CBC_ResultPoint*)result->GetAt(4))->GetY();
     }
     CFX_PtrArray*  stopptr = findRowsWithPattern(matrix, height, width, startRow, startColumn, STOP_PATTERN, sizeof(STOP_PATTERN) / sizeof(STOP_PATTERN[0]));
     copyToResult(result, stopptr, INDEXES_STOP_PATTERN, sizeof(INDEXES_STOP_PATTERN) / sizeof(INDEXES_STOP_PATTERN[0]));
     stopptr->RemoveAll();
     delete stopptr;
     return result;
 }
-void CBC_Detector::copyToResult(CFX_PtrArray *result, CFX_PtrArray* tmpResult, FX_INT32* destinationIndexes, FX_INT32 destinationLength)
+void CBC_Detector::copyToResult(CFX_PtrArray *result, CFX_PtrArray* tmpResult, int32_t* destinationIndexes, int32_t destinationLength)
 {
-    for (FX_INT32 i = 0; i < destinationLength; i++) {
+    for (int32_t i = 0; i < destinationLength; i++) {
         result->SetAt(destinationIndexes[i], tmpResult->GetAt(i));
     }
 }
-CFX_PtrArray* CBC_Detector::findRowsWithPattern(CBC_CommonBitMatrix* matrix, FX_INT32 height, FX_INT32 width, FX_INT32 startRow, FX_INT32 startColumn, FX_INT32* pattern, FX_INT32 patternLength)
+CFX_PtrArray* CBC_Detector::findRowsWithPattern(CBC_CommonBitMatrix* matrix, int32_t height, int32_t width, int32_t startRow, int32_t startColumn, int32_t* pattern, int32_t patternLength)
 {
     CFX_PtrArray* result = FX_NEW CFX_PtrArray;
     result->SetSize(4);
     FX_BOOL found = FALSE;
     CFX_Int32Array counters;
     counters.SetSize(patternLength);
     for (; startRow < height; startRow += ROW_STEP) {
         CFX_Int32Array* loc = findGuardPattern(matrix, startColumn, startRow, width, FALSE, pattern, patternLength, counters);
         if (loc != NULL) {
             while (startRow > 0) {
                 CFX_Int32Array* previousRowLoc = findGuardPattern(matrix, startColumn, --startRow, width, FALSE, pattern, patternLength, counters);
                 if (previousRowLoc != NULL) {
                     delete loc;
                     loc = previousRowLoc;
                 } else {
                     startRow++;
                     break;
                 }
             }
             result->SetAt(0, FX_NEW CBC_ResultPoint((FX_FLOAT)loc->GetAt(0), (FX_FLOAT)startRow));
             result->SetAt(1, FX_NEW CBC_ResultPoint((FX_FLOAT)loc->GetAt(1), (FX_FLOAT)startRow));
             found = TRUE;
             delete loc;
             break;
         }
     }
-    FX_INT32 stopRow = startRow + 1;
+    int32_t stopRow = startRow + 1;
     if (found) {
-        FX_INT32 skippedRowCount = 0;
+        int32_t skippedRowCount = 0;
         CFX_Int32Array previousRowLoc;
-        previousRowLoc.Add((FX_INT32)((CBC_ResultPoint*)result->GetAt(0))->GetX());
-        previousRowLoc.Add((FX_INT32)((CBC_ResultPoint*)result->GetAt(1))->GetX());
+        previousRowLoc.Add((int32_t)((CBC_ResultPoint*)result->GetAt(0))->GetX());
+        previousRowLoc.Add((int32_t)((CBC_ResultPoint*)result->GetAt(1))->GetX());
         for (; stopRow < height; stopRow++) {
             CFX_Int32Array* loc = findGuardPattern(matrix, previousRowLoc[0], stopRow, width, FALSE, pattern, patternLength, counters);
             if (loc != NULL &&
                     abs(previousRowLoc[0] - loc->GetAt(0)) < MAX_PATTERN_DRIFT &&
                     abs(previousRowLoc[1] - loc->GetAt(1)) < MAX_PATTERN_DRIFT) {
                 previousRowLoc.Copy(*loc);
                 skippedRowCount = 0;
             } else {
                 if (skippedRowCount > SKIPPED_ROW_COUNT_MAX) {
                     delete loc;
                     break;
                 } else {
                     skippedRowCount++;
                 }
             }
             delete loc;
         }
         stopRow -= skippedRowCount + 1;
         result->SetAt(2, FX_NEW CBC_ResultPoint((FX_FLOAT)previousRowLoc.GetAt(0), (FX_FLOAT)stopRow));
         result->SetAt(3, FX_NEW CBC_ResultPoint((FX_FLOAT)previousRowLoc.GetAt(1), (FX_FLOAT)stopRow));
     }
     if (stopRow - startRow < BARCODE_MIN_HEIGHT) {
-        for (FX_INT32 i = 0; i < result->GetSize(); i++) {
+        for (int32_t i = 0; i < result->GetSize(); i++) {
             result->SetAt(i, NULL);
         }
     }
     return result;
 }
-CFX_Int32Array* CBC_Detector::findGuardPattern(CBC_CommonBitMatrix* matrix, FX_INT32 column, FX_INT32 row, FX_INT32 width, FX_BOOL whiteFirst, FX_INT32* pattern, FX_INT32 patternLength, CFX_Int32Array &counters)
+CFX_Int32Array* CBC_Detector::findGuardPattern(CBC_CommonBitMatrix* matrix, int32_t column, int32_t row, int32_t width, FX_BOOL whiteFirst, int32_t* pattern, int32_t patternLength, CFX_Int32Array &counters)
 {
-    for (FX_INT32 i = 0; i < counters.GetSize(); i++) {
+    for (int32_t i = 0; i < counters.GetSize(); i++) {
         counters.SetAt(i, 0);
     }
     FX_BOOL isWhite = whiteFirst;
-    FX_INT32 patternStart = column;
-    FX_INT32 pixelDrift = 0;
+    int32_t patternStart = column;
+    int32_t pixelDrift = 0;
     CFX_Int32Array* intarray = FX_NEW CFX_Int32Array;
     while (matrix->Get(patternStart, row) && patternStart > 0 && pixelDrift++ < MAX_PIXEL_DRIFT) {
         patternStart--;
     }
-    FX_INT32 x = patternStart;
-    FX_INT32 counterPosition = 0;
+    int32_t x = patternStart;
+    int32_t counterPosition = 0;
     for (; x < width; x++) {
         FX_BOOL pixel = matrix->Get(x, row);
         if (pixel ^ isWhite) {
             counters[counterPosition]++;
         } else {
             if (counterPosition == patternLength - 1) {
                 if (patternMatchVariance(counters, pattern, MAX_INDIVIDUAL_VARIANCE) < MAX_AVG_VARIANCE) {
                     intarray->Add(patternStart);
                     intarray->Add(x);
                     return intarray;
                 }
                 patternStart += counters[0] + counters[1];
-                for (FX_INT32 l = 2, k = 0; l < patternLength; l++, k++) {
+                for (int32_t l = 2, k = 0; l < patternLength; l++, k++) {
                     counters.SetAt(k, counters.GetAt(l));
                 }
                 counters.SetAt(patternLength - 2, 0);
                 counters.SetAt(patternLength - 1, 0);
                 counterPosition--;
             } else {
                 counterPosition++;
             }
             counters[counterPosition] = 1;
             isWhite = !isWhite;
         }
     }
     if (counterPosition == patternLength - 1) {
         if (patternMatchVariance(counters, pattern, MAX_INDIVIDUAL_VARIANCE) < MAX_AVG_VARIANCE) {
             intarray->Add(patternStart);
             intarray->Add(x - 1);
             return intarray;
         }
     }
     delete intarray;
     return NULL;
 }
-FX_INT32 CBC_Detector::patternMatchVariance(CFX_Int32Array &counters, FX_INT32* pattern, FX_INT32 maxIndividualVariance)
+int32_t CBC_Detector::patternMatchVariance(CFX_Int32Array &counters, int32_t* pattern, int32_t maxIndividualVariance)
 {
-    FX_INT32 numCounters = counters.GetSize();
-    FX_INT32 total = 0;
-    FX_INT32 patternLength = 0;
-    for (FX_INT32 i = 0; i < numCounters; i++) {
+    int32_t numCounters = counters.GetSize();
+    int32_t total = 0;
+    int32_t patternLength = 0;
+    for (int32_t i = 0; i < numCounters; i++) {
         total += counters[i];
         patternLength += pattern[i];
     }
     if (total < patternLength) {
         return INTERGER_MAX;
     }
-    FX_INT32 unitBarWidth = (total << INTEGER_MATH_SHIFT) / patternLength;
+    int32_t unitBarWidth = (total << INTEGER_MATH_SHIFT) / patternLength;
     maxIndividualVariance = (maxIndividualVariance * unitBarWidth) >> INTEGER_MATH_SHIFT;
-    FX_INT32 totalVariance = 0;
-    for (FX_INT32 x = 0; x < numCounters; x++) {
-        FX_INT32 counter = counters[x] << INTEGER_MATH_SHIFT;
-        FX_INT32 scaledPattern = pattern[x] * unitBarWidth;
-        FX_INT32 variance = counter > scaledPattern ? counter - scaledPattern : scaledPattern - counter;
+    int32_t totalVariance = 0;
+    for (int32_t x = 0; x < numCounters; x++) {
+        int32_t counter = counters[x] << INTEGER_MATH_SHIFT;
+        int32_t scaledPattern = pattern[x] * unitBarWidth;
+        int32_t variance = counter > scaledPattern ? counter - scaledPattern : scaledPattern - counter;
         if (variance > maxIndividualVariance) {
             return INTERGER_MAX;
         }
         totalVariance += variance;
     }
     return totalVariance / total;
 }