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

xfa/src/fxbarcode/pdf417/BC_PDF417ECModulusPoly.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_PDF417ECModulusGF.h"
 #include "BC_PDF417ECModulusPoly.h"
-CBC_PDF417ECModulusPoly::CBC_PDF417ECModulusPoly(CBC_PDF417ECModulusGF* field, CFX_Int32Array &coefficients, FX_INT32 &e)
+CBC_PDF417ECModulusPoly::CBC_PDF417ECModulusPoly(CBC_PDF417ECModulusGF* field, CFX_Int32Array &coefficients, int32_t &e)
 {
     if (coefficients.GetSize() == 0) {
         e = BCExceptionIllegalArgument;
     }
     m_field = field;
-    FX_INT32 coefficientsLength = coefficients.GetSize();
+    int32_t coefficientsLength = coefficients.GetSize();
     if (coefficientsLength > 1 && coefficients[0] == 0) {
-        FX_INT32 firstNonZero = 1;
+        int32_t firstNonZero = 1;
         while (firstNonZero < coefficientsLength && coefficients[firstNonZero] == 0) {
             firstNonZero++;
         }
         if (firstNonZero == coefficientsLength) {
             m_coefficients = field->getZero()->m_coefficients;
         } else {
             m_coefficients.SetSize(coefficientsLength - firstNonZero);
-            FX_INT32 l = 0;
-            for (FX_INT32 i = firstNonZero; i < firstNonZero + m_coefficients.GetSize(); i++) {
+            int32_t l = 0;
+            for (int32_t i = firstNonZero; i < firstNonZero + m_coefficients.GetSize(); i++) {
                 m_coefficients.SetAt(l, coefficients.GetAt(i));
                 l++;
             }
         }
     } else {
         m_coefficients.Copy(coefficients);
     }
 }
 CBC_PDF417ECModulusPoly::~CBC_PDF417ECModulusPoly()
 {
 }
 CFX_Int32Array& CBC_PDF417ECModulusPoly::getCoefficients()
 {
     return m_coefficients;
 }
 CBC_PDF417ECModulusGF* CBC_PDF417ECModulusPoly::getField()
 {
     return m_field;
 }
-FX_INT32 CBC_PDF417ECModulusPoly::getDegree()
+int32_t CBC_PDF417ECModulusPoly::getDegree()
 {
     return m_coefficients.GetSize() - 1;
 }
 FX_BOOL CBC_PDF417ECModulusPoly::isZero()
 {
     return m_coefficients[0] == 0;
 }
-FX_INT32 CBC_PDF417ECModulusPoly::getCoefficient(FX_INT32 degree)
+int32_t CBC_PDF417ECModulusPoly::getCoefficient(int32_t degree)
 {
     return m_coefficients[m_coefficients.GetSize() - 1 - degree];
 }
-FX_INT32 CBC_PDF417ECModulusPoly::evaluateAt(FX_INT32 a)
+int32_t CBC_PDF417ECModulusPoly::evaluateAt(int32_t a)
 {
     if (a == 0) {
         return getCoefficient(0);
     }
-    FX_INT32 size = m_coefficients.GetSize();
+    int32_t size = m_coefficients.GetSize();
     if (a == 1) {
-        FX_INT32 result = 0;
-        for (FX_INT32 l = 0; l < m_coefficients.GetSize(); l++) {
-            FX_INT32 coefficient = m_coefficients.GetAt(l);
+        int32_t result = 0;
+        for (int32_t l = 0; l < m_coefficients.GetSize(); l++) {
+            int32_t coefficient = m_coefficients.GetAt(l);
             result = m_field->add(result, coefficient);
         }
         return result;
     }
-    FX_INT32 result = m_coefficients[0];
-    for (FX_INT32 i = 1; i < size; i++) {
+    int32_t result = m_coefficients[0];
+    for (int32_t i = 1; i < size; i++) {
         result = m_field->add(m_field->multiply(a, result), m_coefficients[i]);
     }
     return result;
 }
-CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::add(CBC_PDF417ECModulusPoly* other, FX_INT32 &e)
+CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::add(CBC_PDF417ECModulusPoly* other, int32_t &e)
 {
     CBC_PDF417ECModulusPoly* modulusPoly = NULL;
     if (isZero()) {
         modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(other->getField(), other->getCoefficients(), e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         return modulusPoly;
     }
     if (other->isZero()) {
         modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field, m_coefficients, e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         return modulusPoly;
     }
     CFX_Int32Array smallerCoefficients;
     smallerCoefficients.Copy(m_coefficients);
     CFX_Int32Array largerCoefficients;
     largerCoefficients.Copy(other->m_coefficients);
     if (smallerCoefficients.GetSize() > largerCoefficients.GetSize()) {
         CFX_Int32Array temp;
         temp.Copy(smallerCoefficients);
         smallerCoefficients.Copy(largerCoefficients);
         largerCoefficients.Copy(temp);
     }
     CFX_Int32Array sumDiff;
     sumDiff.SetSize(largerCoefficients.GetSize());
-    FX_INT32 lengthDiff = largerCoefficients.GetSize() - smallerCoefficients.GetSize();
-    for (FX_INT32 l = 0; l < lengthDiff; l++) {
+    int32_t lengthDiff = largerCoefficients.GetSize() - smallerCoefficients.GetSize();
+    for (int32_t l = 0; l < lengthDiff; l++) {
         sumDiff.SetAt(l, largerCoefficients.GetAt(l));
     }
-    for (FX_INT32 i = lengthDiff; i < largerCoefficients.GetSize(); i++) {
+    for (int32_t i = lengthDiff; i < largerCoefficients.GetSize(); i++) {
         sumDiff[i] = m_field->add(smallerCoefficients[i - lengthDiff], largerCoefficients[i]);
     }
     modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field, sumDiff, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return modulusPoly;
 }
-CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::subtract(CBC_PDF417ECModulusPoly* other, FX_INT32 &e)
+CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::subtract(CBC_PDF417ECModulusPoly* other, int32_t &e)
 {
     CBC_PDF417ECModulusPoly* modulusPoly = NULL;
     if (other->isZero()) {
         modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field, m_coefficients, e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         return modulusPoly;
     }
     CBC_PDF417ECModulusPoly* poly  = other->negative(e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     modulusPoly = add(poly, e);
     delete poly;
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return modulusPoly;
 }
-CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::multiply(CBC_PDF417ECModulusPoly* other, FX_INT32 &e)
+CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::multiply(CBC_PDF417ECModulusPoly* other, int32_t &e)
 {
     CBC_PDF417ECModulusPoly* modulusPoly = NULL;
     if (isZero() || other->isZero()) {
         modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field->getZero()->getField(), m_field->getZero()->getCoefficients(), e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         return modulusPoly;
     }
     CFX_Int32Array aCoefficients;
     aCoefficients.Copy(m_coefficients);
-    FX_INT32 aLength = aCoefficients.GetSize();
+    int32_t aLength = aCoefficients.GetSize();
     CFX_Int32Array bCoefficients;
     bCoefficients.Copy(other->m_coefficients);
-    FX_INT32 bLength = bCoefficients.GetSize();
+    int32_t bLength = bCoefficients.GetSize();
     CFX_Int32Array product;
     product.SetSize(aLength + bLength - 1);
-    for (FX_INT32 i = 0; i < aLength; i++) {
-        FX_INT32 aCoeff = aCoefficients[i];
-        for (FX_INT32 j = 0; j < bLength; j++) {
+    for (int32_t i = 0; i < aLength; i++) {
+        int32_t aCoeff = aCoefficients[i];
+        for (int32_t j = 0; j < bLength; j++) {
             product[i + j] = m_field->add(product[i + j], m_field->multiply(aCoeff, bCoefficients[j]));
         }
     }
     modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field, product, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return modulusPoly;
 }
-CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::negative(FX_INT32 &e)
+CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::negative(int32_t &e)
 {
-    FX_INT32 size = m_coefficients.GetSize();
+    int32_t size = m_coefficients.GetSize();
     CFX_Int32Array negativeCoefficients;
     negativeCoefficients.SetSize(size);
-    for (FX_INT32 i = 0; i < size; i++) {
+    for (int32_t i = 0; i < size; i++) {
         negativeCoefficients[i] = m_field->subtract(0, m_coefficients[i]);
     }
     CBC_PDF417ECModulusPoly* modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field, negativeCoefficients, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return modulusPoly;
 }
-CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::multiply(FX_INT32 scalar, FX_INT32 &e)
+CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::multiply(int32_t scalar, int32_t &e)
 {
     CBC_PDF417ECModulusPoly* modulusPoly = NULL;
     if (scalar == 0) {
         modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field->getZero()->getField(), m_field->getZero()->getCoefficients(), e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         return modulusPoly;
     }
     if (scalar == 1) {
         modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field, m_coefficients, e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         return modulusPoly;
     }
-    FX_INT32 size = m_coefficients.GetSize();
+    int32_t size = m_coefficients.GetSize();
     CFX_Int32Array product;
     product.SetSize(size);
-    for (FX_INT32 i = 0; i < size; i++) {
+    for (int32_t i = 0; i < size; i++) {
         product[i] = m_field->multiply(m_coefficients[i], scalar);
     }
     modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field, product, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return modulusPoly;
 }
-CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::multiplyByMonomial(FX_INT32 degree, FX_INT32 coefficient, FX_INT32 &e)
+CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusPoly::multiplyByMonomial(int32_t degree, int32_t coefficient, int32_t &e)
 {
     if (degree < 0) {
         e = BCExceptionIllegalArgument;
         return NULL;
     }
     CBC_PDF417ECModulusPoly* modulusPoly = NULL;
     if (coefficient == 0) {
         modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field->getZero()->m_field, m_field->getZero()->m_coefficients, e);
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
         return modulusPoly;
     }
-    FX_INT32 size = m_coefficients.GetSize();
+    int32_t size = m_coefficients.GetSize();
     CFX_Int32Array product;
     product.SetSize(size + degree);
-    for (FX_INT32 i = 0; i < size; i++) {
+    for (int32_t i = 0; i < size; i++) {
         product[i] = m_field->multiply(m_coefficients[i], coefficient);
     }
     modulusPoly = FX_NEW CBC_PDF417ECModulusPoly(m_field, product, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return modulusPoly;
 }
-CFX_PtrArray* CBC_PDF417ECModulusPoly::divide(CBC_PDF417ECModulusPoly* other, FX_INT32 &e)
+CFX_PtrArray* CBC_PDF417ECModulusPoly::divide(CBC_PDF417ECModulusPoly* other, int32_t &e)
 {
     if (other->isZero()) {
         e = BCExceptionDivideByZero;
         return NULL;
     }
     CBC_PDF417ECModulusPoly* quotient = FX_NEW CBC_PDF417ECModulusPoly(m_field->getZero()->m_field, m_field->getZero()->m_coefficients, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CBC_PDF417ECModulusPoly* remainder = FX_NEW CBC_PDF417ECModulusPoly(m_field, m_coefficients, e);
     if (e != BCExceptionNO) {
         delete quotient;
         return NULL;
     }
-    FX_INT32 denominatorLeadingTerm = other->getCoefficient(other->getDegree());
-    FX_INT32 inverseDenominatorLeadingTerm = m_field->inverse(denominatorLeadingTerm, e);
+    int32_t denominatorLeadingTerm = other->getCoefficient(other->getDegree());
+    int32_t inverseDenominatorLeadingTerm = m_field->inverse(denominatorLeadingTerm, e);
     if (e != BCExceptionNO) {
         delete quotient;
         delete remainder;
         return NULL;
     }
     while (remainder->getDegree() >= other->getDegree() && !remainder->isZero()) {
-        FX_INT32 degreeDifference = remainder->getDegree() - other->getDegree();
-        FX_INT32 scale = m_field->multiply(remainder->getCoefficient(remainder->getDegree()), inverseDenominatorLeadingTerm);
+        int32_t degreeDifference = remainder->getDegree() - other->getDegree();
+        int32_t scale = m_field->multiply(remainder->getCoefficient(remainder->getDegree()), inverseDenominatorLeadingTerm);
         CBC_PDF417ECModulusPoly* term = other->multiplyByMonomial(degreeDifference, scale, e);
         if (e != BCExceptionNO) {
             delete quotient;
             delete remainder;
             return NULL;
         }
         CBC_PDF417ECModulusPoly* iterationQuotient = m_field->buildMonomial(degreeDifference, scale, e);
         if (e != BCExceptionNO) {
             delete quotient;
             delete remainder;
@@ skipping 18 matching lines @@
         }
     }
     CFX_PtrArray* modulusPoly = FX_NEW CFX_PtrArray;
     modulusPoly->Add(quotient);
     modulusPoly->Add(remainder);
     return modulusPoly;
 }
 CFX_ByteString CBC_PDF417ECModulusPoly::toString()
 {
     CFX_ByteString result;
-    for (FX_INT32 degree = getDegree(); degree >= 0; degree--) {
-        FX_INT32 coefficient = getCoefficient(degree);
+    for (int32_t degree = getDegree(); degree >= 0; degree--) {
+        int32_t coefficient = getCoefficient(degree);
         if (coefficient != 0) {
             if (coefficient < 0) {
                 result += " - ";
                 coefficient = -coefficient;
             } else {
                 if (result.GetLength() > 0) {
                     result += " + ";
                 }
             }
             if (degree == 0 || coefficient != 1) {
                 result += coefficient;
             }
             if (degree != 0) {
                 if (degree == 1) {
                     result += 'x';
                 } else {
                     result += "x^";
                     result += degree;
                 }
             }
         }
     }
     return result;
 }