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

xfa/src/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.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 2012 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_PDF417Common.h"
 #include "BC_PDF417ECModulusPoly.h"
 #include "BC_PDF417ECModulusGF.h"
 #include "BC_PDF417ECErrorCorrection.h"
 CBC_PDF417ECModulusGF* CBC_PDF417ECErrorCorrection::m_field = NULL;
-void CBC_PDF417ECErrorCorrection::Initialize(FX_INT32 &e)
+void CBC_PDF417ECErrorCorrection::Initialize(int32_t &e)
 {
     m_field = FX_NEW CBC_PDF417ECModulusGF(CBC_PDF417Common::NUMBER_OF_CODEWORDS, 3, e);
 }
 void CBC_PDF417ECErrorCorrection::Finalize()
 {
     delete m_field;
 }
 CBC_PDF417ECErrorCorrection::CBC_PDF417ECErrorCorrection()
 {
 }
 CBC_PDF417ECErrorCorrection::~CBC_PDF417ECErrorCorrection()
 {
 }
-FX_INT32 CBC_PDF417ECErrorCorrection::decode(CFX_Int32Array &received, FX_INT32 numECCodewords, CFX_Int32Array &erasures, FX_INT32 &e)
+int32_t CBC_PDF417ECErrorCorrection::decode(CFX_Int32Array &received, int32_t numECCodewords, CFX_Int32Array &erasures, int32_t &e)
 {
     CBC_PDF417ECModulusPoly poly(m_field, received, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, -1);
     CFX_Int32Array S;
     S.SetSize(numECCodewords);
     FX_BOOL error = FALSE;
-    for (FX_INT32 l = numECCodewords; l > 0; l--) {
-        FX_INT32 eval = poly.evaluateAt(m_field->exp(l));
+    for (int32_t l = numECCodewords; l > 0; l--) {
+        int32_t eval = poly.evaluateAt(m_field->exp(l));
         S[numECCodewords - l] = eval;
         if (eval != 0) {
             error = TRUE;
         }
     }
     if (!error) {
         return 0;
     }
     CBC_PDF417ECModulusPoly* syndrome = FX_NEW CBC_PDF417ECModulusPoly(m_field, S, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, -1);
     CBC_PDF417ECModulusPoly* buildmonomial = m_field->buildMonomial(numECCodewords, 1, e);
     if (e != BCExceptionNO) {
         delete syndrome;
         return -1;
     }
     CFX_PtrArray* sigmaOmega = runEuclideanAlgorithm(buildmonomial, syndrome, numECCodewords, e);
     delete buildmonomial;
     delete syndrome;
     BC_EXCEPTION_CHECK_ReturnValue(e, -1);
     CBC_PDF417ECModulusPoly* sigma = (CBC_PDF417ECModulusPoly*)sigmaOmega->GetAt(0);
     CBC_PDF417ECModulusPoly* omega = (CBC_PDF417ECModulusPoly*)sigmaOmega->GetAt(1);
     CFX_Int32Array* errorLocations = findErrorLocations(sigma, e);
     if (e != BCExceptionNO) {
-        for (FX_INT32 i = 0; i < sigmaOmega->GetSize(); i++) {
+        for (int32_t i = 0; i < sigmaOmega->GetSize(); i++) {
             delete (CBC_PDF417ECModulusPoly*)sigmaOmega->GetAt(i);
         }
         sigmaOmega->RemoveAll();
         delete sigmaOmega;
         return -1;
     }
     CFX_Int32Array* errorMagnitudes = findErrorMagnitudes(omega, sigma, *errorLocations, e);
     if (e != BCExceptionNO) {
         delete errorLocations;
-        for (FX_INT32 i = 0; i < sigmaOmega->GetSize(); i++) {
+        for (int32_t i = 0; i < sigmaOmega->GetSize(); i++) {
             delete (CBC_PDF417ECModulusPoly*)sigmaOmega->GetAt(i);
         }
         sigmaOmega->RemoveAll();
         delete sigmaOmega;
         return -1;
     }
-    for (FX_INT32 i = 0; i < errorLocations->GetSize(); i++) {
-        FX_INT32 log = m_field->log(errorLocations->GetAt(i), e);;
+    for (int32_t i = 0; i < errorLocations->GetSize(); i++) {
+        int32_t log = m_field->log(errorLocations->GetAt(i), e);;
         BC_EXCEPTION_CHECK_ReturnValue(e, -1);
-        FX_INT32 position = received.GetSize() - 1 - log;
+        int32_t position = received.GetSize() - 1 - log;
         if (position < 0) {
             e = BCExceptionChecksumException;
             delete errorLocations;
             delete errorMagnitudes;
-            for (FX_INT32 j = 0; j < sigmaOmega->GetSize(); j++) {
+            for (int32_t j = 0; j < sigmaOmega->GetSize(); j++) {
                 delete (CBC_PDF417ECModulusPoly*)sigmaOmega->GetAt(j);
             }
             sigmaOmega->RemoveAll();
             delete sigmaOmega;
             return -1;
         }
         received[position] = m_field->subtract(received[position], errorMagnitudes->GetAt(i));
     }
-    FX_INT32 result = errorLocations->GetSize();
+    int32_t result = errorLocations->GetSize();
     delete errorLocations;
     delete errorMagnitudes;
-    for (FX_INT32 k = 0; k < sigmaOmega->GetSize(); k++) {
+    for (int32_t k = 0; k < sigmaOmega->GetSize(); k++) {
         delete (CBC_PDF417ECModulusPoly*)sigmaOmega->GetAt(k);
     }
     sigmaOmega->RemoveAll();
     delete sigmaOmega;
     return result;
 }
-CFX_PtrArray* CBC_PDF417ECErrorCorrection::runEuclideanAlgorithm(CBC_PDF417ECModulusPoly* a, CBC_PDF417ECModulusPoly* b, FX_INT32 R, FX_INT32 &e)
+CFX_PtrArray* CBC_PDF417ECErrorCorrection::runEuclideanAlgorithm(CBC_PDF417ECModulusPoly* a, CBC_PDF417ECModulusPoly* b, int32_t R, int32_t &e)
 {
     if (a->getDegree() < b->getDegree()) {
         CBC_PDF417ECModulusPoly* temp = a;
         a = b;
         b = temp;
     }
     CBC_PDF417ECModulusPoly* rLast = a;
     CBC_PDF417ECModulusPoly* r = b;
     CBC_PDF417ECModulusPoly* tLast = m_field->getZero();
     CBC_PDF417ECModulusPoly* t = m_field->getOne();
     CBC_PDF417ECModulusPoly* qtemp = NULL;
     CBC_PDF417ECModulusPoly* rtemp = NULL;
     CBC_PDF417ECModulusPoly* ttemp = NULL;
-    FX_INT32 i = 0;
-    FX_INT32 j = 0;
-    FX_INT32 m = 0;
-    FX_INT32 n = 0;
+    int32_t i = 0;
+    int32_t j = 0;
+    int32_t m = 0;
+    int32_t n = 0;
     while (r->getDegree() >= R / 2) {
         CBC_PDF417ECModulusPoly* rLastLast = rLast;
         CBC_PDF417ECModulusPoly* tLastLast = tLast;
         rLast = r;
         tLast = t;
         m = i;
         n = j;
         if (rLast->isZero()) {
             e = BCExceptionChecksumException;
             if (qtemp) {
                 delete qtemp;
             }
             if (rtemp) {
                 delete rtemp;
             }
             if (ttemp) {
                 delete ttemp;
             }
             return NULL;
         }
         r = rLastLast;
         CBC_PDF417ECModulusPoly* q = m_field->getZero();
-        FX_INT32 denominatorLeadingTerm = rLast->getCoefficient(rLast->getDegree());
-        FX_INT32 dltInverse = m_field->inverse(denominatorLeadingTerm, e);
+        int32_t denominatorLeadingTerm = rLast->getCoefficient(rLast->getDegree());
+        int32_t dltInverse = m_field->inverse(denominatorLeadingTerm, e);
         if (e != BCExceptionNO) {
             if (qtemp) {
                 delete qtemp;
             }
             if (rtemp) {
                 delete rtemp;
             }
             if (ttemp) {
                 delete ttemp;
             }
             return NULL;
         }
         while (r->getDegree() >= rLast->getDegree() && !r->isZero()) {
-            FX_INT32 degreeDiff = r->getDegree() - rLast->getDegree();
-            FX_INT32 scale = m_field->multiply(r->getCoefficient(r->getDegree()), dltInverse);
+            int32_t degreeDiff = r->getDegree() - rLast->getDegree();
+            int32_t scale = m_field->multiply(r->getCoefficient(r->getDegree()), dltInverse);
             CBC_PDF417ECModulusPoly* buildmonomial = m_field->buildMonomial(degreeDiff, scale, e);
             if (e != BCExceptionNO) {
                 if (qtemp) {
                     delete qtemp;
                 }
                 if (rtemp) {
                     delete rtemp;
                 }
                 if (ttemp) {
                     delete ttemp;
@@ skipping 80 matching lines @@
         delete ttemp;
         if (e != BCExceptionNO) {
             if (rtemp) {
                 delete rtemp;
             }
             return NULL;
         }
         ttemp = t;
         j++;
     }
-    FX_INT32 aa = t->getCoefficient(1);
-    FX_INT32 sigmaTildeAtZero = t->getCoefficient(0);
+    int32_t aa = t->getCoefficient(1);
+    int32_t sigmaTildeAtZero = t->getCoefficient(0);
     if (sigmaTildeAtZero == 0) {
         e = BCExceptionChecksumException;
         if (rtemp) {
             delete rtemp;
         }
         if (ttemp) {
             delete ttemp;
         }
         return NULL;
     }
-    FX_INT32 inverse = m_field->inverse(sigmaTildeAtZero, e);
+    int32_t inverse = m_field->inverse(sigmaTildeAtZero, e);
     if (e != BCExceptionNO) {
         if (rtemp) {
             delete rtemp;
         }
         if (ttemp) {
             delete ttemp;
         }
         return NULL;
     }
     CBC_PDF417ECModulusPoly* sigma = t->multiply(inverse, e);
     if (ttemp) {
         delete ttemp;
     }
     if (e != BCExceptionNO) {
         if (rtemp) {
             delete rtemp;
         }
         return NULL;
     }
     CBC_PDF417ECModulusPoly* omega = r->multiply(inverse, e);
     if (rtemp) {
         delete rtemp;
     }
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CFX_PtrArray* modulusPoly = FX_NEW CFX_PtrArray;
     modulusPoly->Add(sigma);
     modulusPoly->Add(omega);
     return modulusPoly;
 }
-CFX_Int32Array* CBC_PDF417ECErrorCorrection::findErrorLocations(CBC_PDF417ECModulusPoly* errorLocator, FX_INT32 &e)
+CFX_Int32Array* CBC_PDF417ECErrorCorrection::findErrorLocations(CBC_PDF417ECModulusPoly* errorLocator, int32_t &e)
 {
-    FX_INT32 numErrors = errorLocator->getDegree();
+    int32_t numErrors = errorLocator->getDegree();
     CFX_Int32Array* result = FX_NEW CFX_Int32Array;
     result->SetSize(numErrors);
-    FX_INT32 ee = 0;
-    for (FX_INT32 i = 1; i < m_field->getSize() && ee < numErrors; i++) {
+    int32_t ee = 0;
+    for (int32_t i = 1; i < m_field->getSize() && ee < numErrors; i++) {
         if (errorLocator->evaluateAt(i) == 0) {
             result->SetAt(ee, m_field->inverse(i, e));
             if (e != BCExceptionNO) {
                 delete result;
                 return NULL;
             }
             ee++;
         }
     }
     if (ee != numErrors) {
         e = BCExceptionChecksumException;
         delete result;
         return NULL;
     }
     return result;
 }
-CFX_Int32Array* CBC_PDF417ECErrorCorrection::findErrorMagnitudes(CBC_PDF417ECModulusPoly* errorEvaluator, CBC_PDF417ECModulusPoly* errorLocator, CFX_Int32Array &errorLocations, FX_INT32 &e)
+CFX_Int32Array* CBC_PDF417ECErrorCorrection::findErrorMagnitudes(CBC_PDF417ECModulusPoly* errorEvaluator, CBC_PDF417ECModulusPoly* errorLocator, CFX_Int32Array &errorLocations, int32_t &e)
 {
-    FX_INT32 errorLocatorDegree = errorLocator->getDegree();
+    int32_t errorLocatorDegree = errorLocator->getDegree();
     CFX_Int32Array formalDerivativeCoefficients;
     formalDerivativeCoefficients.SetSize(errorLocatorDegree);
-    for (FX_INT32 l = 1; l <= errorLocatorDegree; l++) {
+    for (int32_t l = 1; l <= errorLocatorDegree; l++) {
         formalDerivativeCoefficients[errorLocatorDegree - l] = m_field->multiply(l, errorLocator->getCoefficient(l));
     }
     CBC_PDF417ECModulusPoly formalDerivative(m_field, formalDerivativeCoefficients, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    FX_INT32 s = errorLocations.GetSize();
+    int32_t s = errorLocations.GetSize();
     CFX_Int32Array* result = FX_NEW CFX_Int32Array;
     result->SetSize(s);
-    for (FX_INT32 i = 0; i < s; i++) {
-        FX_INT32 xiInverse = m_field->inverse(errorLocations[i], e);
+    for (int32_t i = 0; i < s; i++) {
+        int32_t xiInverse = m_field->inverse(errorLocations[i], e);
         if (e != BCExceptionNO) {
             delete result;
             return NULL;
         }
-        FX_INT32 numerator = m_field->subtract(0, errorEvaluator->evaluateAt(xiInverse));
-        FX_INT32 denominator = m_field->inverse(formalDerivative.evaluateAt(xiInverse), e);
+        int32_t numerator = m_field->subtract(0, errorEvaluator->evaluateAt(xiInverse));
+        int32_t denominator = m_field->inverse(formalDerivative.evaluateAt(xiInverse), e);
         if (e != BCExceptionNO) {
             delete result;
             return NULL;
         }
         result->SetAt(i, m_field->multiply(numerator, denominator));
     }
     return result;
 }