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

xfa/src/fxbarcode/qrcode/BC_QRDetector.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");
@@ skipping 19 matching lines @@
 #include "BC_QRAlignmentPatternFinder.h"
 #include "BC_QRFinderPatternFinder.h"
 #include "BC_QRDetectorResult.h"
 #include "BC_QRDetector.h"
 CBC_QRDetector::CBC_QRDetector(CBC_CommonBitMatrix *image): m_image(image)
 {
 }
 CBC_QRDetector::~CBC_QRDetector()
 {
 }
-CBC_QRDetectorResult *CBC_QRDetector::Detect(FX_INT32 hints, FX_INT32 &e)
+CBC_QRDetectorResult *CBC_QRDetector::Detect(int32_t hints, int32_t &e)
 {
     CBC_QRFinderPatternFinder finder(m_image);
     CBC_QRFinderPatternInfo* qpi = finder.Find(hints, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CBC_AutoPtr<CBC_QRFinderPatternInfo> info(qpi);
     CBC_QRDetectorResult* qdr = ProcessFinderPatternInfo(info.get(), e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return qdr;
 }
-CBC_QRDetectorResult* CBC_QRDetector::ProcessFinderPatternInfo(CBC_QRFinderPatternInfo *info, FX_INT32 &e)
+CBC_QRDetectorResult* CBC_QRDetector::ProcessFinderPatternInfo(CBC_QRFinderPatternInfo *info, int32_t &e)
 {
     CBC_AutoPtr<CBC_QRFinderPattern> topLeft(info->GetTopLeft());
     CBC_AutoPtr<CBC_QRFinderPattern> topRight(info->GetTopRight());
     CBC_AutoPtr<CBC_QRFinderPattern> bottomLeft(info->GetBottomLeft());
     FX_FLOAT moduleSize = CalculateModuleSize(topLeft.get(), topRight.get(), bottomLeft.get());
     if(moduleSize < 1.0f) {
         e = BCExceptionRead;
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
-    FX_INT32 dimension = ComputeDimension(topLeft.get(), topRight.get(), bottomLeft.get(), moduleSize, e);
+    int32_t dimension = ComputeDimension(topLeft.get(), topRight.get(), bottomLeft.get(), moduleSize, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CBC_QRCoderVersion *provisionalVersion = CBC_QRCoderVersion::GetProvisionalVersionForDimension(dimension, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    FX_INT32 modulesBetweenFPCenters = provisionalVersion->GetDimensionForVersion() - 7;
+    int32_t modulesBetweenFPCenters = provisionalVersion->GetDimensionForVersion() - 7;
     CBC_QRAlignmentPattern * alignmentPattern = NULL;
     if(provisionalVersion->GetAlignmentPatternCenters()->GetSize() > 0) {
         FX_FLOAT  bottomRightX = topRight->GetX() - topLeft->GetX() + bottomLeft->GetX();
         FX_FLOAT bottomRightY = topRight->GetY() - topLeft->GetY() + bottomLeft->GetY();
         FX_FLOAT correctionToTopLeft = 1.0f - 3.0f / (FX_FLOAT) modulesBetweenFPCenters;
         FX_FLOAT xtemp = (topLeft->GetX() + correctionToTopLeft * (bottomRightX - topLeft->GetX()));
-        FX_INT32 estAlignmentX = (FX_INT32)xtemp ;
+        int32_t estAlignmentX = (int32_t)xtemp ;
         FX_FLOAT ytemp =  (topLeft->GetY() + correctionToTopLeft * (bottomRightY - topLeft->GetY()));
-        FX_INT32 estAlignmentY = (FX_INT32)ytemp;
-        for(FX_INT32 i = 4; i <= 16; i <<= 1) {
+        int32_t estAlignmentY = (int32_t)ytemp;
+        for(int32_t i = 4; i <= 16; i <<= 1) {
             CBC_QRAlignmentPattern *temp = FindAlignmentInRegion(moduleSize, estAlignmentX, estAlignmentY, (FX_FLOAT) i, e);
             alignmentPattern = temp;
             break;
         }
     }
     CBC_CommonBitMatrix *bits = SampleGrid(m_image, topLeft.get(), topRight.get(), bottomLeft.get(), (CBC_ResultPoint*)(alignmentPattern), dimension, e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     CFX_PtrArray *points = FX_NEW CFX_PtrArray;
     if(alignmentPattern == NULL) {
         points->Add(bottomLeft.release());
         points->Add(topLeft.release());
         points->Add(topRight.release());
     } else {
         points->Add(bottomLeft.release());
         points->Add(topLeft.release());
         points->Add(topRight.release());
         points->Add(alignmentPattern);
     }
     return FX_NEW CBC_QRDetectorResult(bits, points);
 }
 CBC_CommonBitMatrix *CBC_QRDetector::SampleGrid(CBC_CommonBitMatrix *image, CBC_ResultPoint *topLeft, CBC_ResultPoint *topRight,
         CBC_ResultPoint *bottomLeft, CBC_ResultPoint* alignmentPattern,
-        FX_INT32 dimension, FX_INT32 &e)
+        int32_t dimension, int32_t &e)
 {
     FX_FLOAT dimMinusThree = (FX_FLOAT) dimension - 3.5f;
     FX_FLOAT bottomRightX;
     FX_FLOAT bottomRightY;
     FX_FLOAT sourceBottomRightX;
     FX_FLOAT sourceBottomRightY;
     if (alignmentPattern != NULL) {
         bottomRightX = alignmentPattern->GetX();
         bottomRightY = alignmentPattern->GetY();
         sourceBottomRightX = sourceBottomRightY = dimMinusThree - 3.0f;
@@ skipping 17 matching lines @@
                                topLeft->GetY(),
                                topRight->GetX(),
                                topRight->GetY(),
                                bottomRightX,
                                bottomRightY,
                                bottomLeft->GetX(),
                                bottomLeft->GetY(), e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return cbm;
 }
-FX_INT32 CBC_QRDetector::ComputeDimension(CBC_ResultPoint *topLeft, CBC_ResultPoint *topRight,
-        CBC_ResultPoint *bottomLeft, FX_FLOAT moduleSize, FX_INT32 &e)
+int32_t CBC_QRDetector::ComputeDimension(CBC_ResultPoint *topLeft, CBC_ResultPoint *topRight,
+        CBC_ResultPoint *bottomLeft, FX_FLOAT moduleSize, int32_t &e)
 {
-    FX_INT32 tltrCentersDimension = Round(CBC_QRFinderPatternFinder::Distance(topLeft, topRight) / moduleSize);
-    FX_INT32 tlblCentersDimension = Round(CBC_QRFinderPatternFinder::Distance(topLeft, bottomLeft) / moduleSize);
-    FX_INT32 dimension = ((tltrCentersDimension + tlblCentersDimension) >> 1) + 7;
+    int32_t tltrCentersDimension = Round(CBC_QRFinderPatternFinder::Distance(topLeft, topRight) / moduleSize);
+    int32_t tlblCentersDimension = Round(CBC_QRFinderPatternFinder::Distance(topLeft, bottomLeft) / moduleSize);
+    int32_t dimension = ((tltrCentersDimension + tlblCentersDimension) >> 1) + 7;
     switch(dimension & 0x03) {
         case 0:
             dimension++;
             break;
         case 2:
             dimension--;
             break;
         case 3: {
                 e = BCExceptionRead;
                 BC_EXCEPTION_CHECK_ReturnValue(e, 0);
             }
     }
     return dimension;
 }
 FX_FLOAT CBC_QRDetector::CalculateModuleSize(CBC_ResultPoint *topLeft, CBC_ResultPoint *topRight, CBC_ResultPoint *bottomLeft)
 {
     return (CalculateModuleSizeOneWay(topLeft, topRight) + CalculateModuleSizeOneWay(topLeft, bottomLeft)) / 2.0f;
 }
 FX_FLOAT CBC_QRDetector::CalculateModuleSizeOneWay(CBC_ResultPoint *pattern, CBC_ResultPoint *otherPattern)
 {
-    FX_FLOAT moduleSizeEst1 = SizeOfBlackWhiteBlackRunBothWays((FX_INT32) pattern->GetX(),
-                              (FX_INT32) pattern->GetY(),
-                              (FX_INT32) otherPattern->GetX(),
-                              (FX_INT32) otherPattern->GetY());
-    FX_FLOAT moduleSizeEst2 = SizeOfBlackWhiteBlackRunBothWays((FX_INT32) otherPattern->GetX(),
-                              (FX_INT32) otherPattern->GetY(),
-                              (FX_INT32) pattern->GetX(),
-                              (FX_INT32) pattern->GetY());
+    FX_FLOAT moduleSizeEst1 = SizeOfBlackWhiteBlackRunBothWays((int32_t) pattern->GetX(),
+                              (int32_t) pattern->GetY(),
+                              (int32_t) otherPattern->GetX(),
+                              (int32_t) otherPattern->GetY());
+    FX_FLOAT moduleSizeEst2 = SizeOfBlackWhiteBlackRunBothWays((int32_t) otherPattern->GetX(),
+                              (int32_t) otherPattern->GetY(),
+                              (int32_t) pattern->GetX(),
+                              (int32_t) pattern->GetY());
     if (FXSYS_isnan(moduleSizeEst1)) {
         return moduleSizeEst2;
     }
     if (FXSYS_isnan(moduleSizeEst2)) {
         return moduleSizeEst1;
     }
     return (moduleSizeEst1 + moduleSizeEst2) / 14.0f;
 }
-FX_INT32 CBC_QRDetector::Round(FX_FLOAT d)
+int32_t CBC_QRDetector::Round(FX_FLOAT d)
 {
-    return (FX_INT32)(d + 0.5f);
+    return (int32_t)(d + 0.5f);
 }
-FX_FLOAT CBC_QRDetector::SizeOfBlackWhiteBlackRunBothWays(FX_INT32 fromX, FX_INT32 fromY, FX_INT32 toX, FX_INT32 toY)
+FX_FLOAT CBC_QRDetector::SizeOfBlackWhiteBlackRunBothWays(int32_t fromX, int32_t fromY, int32_t toX, int32_t toY)
 {
     FX_FLOAT result = SizeOfBlackWhiteBlackRun(fromX, fromY, toX, toY);
-    FX_INT32 otherToX = fromX - (toX - fromX);
+    int32_t otherToX = fromX - (toX - fromX);
     if (otherToX < 0) {
         otherToX = -1;
     } else if (otherToX >= m_image->GetWidth()) {
         otherToX = m_image->GetWidth();
     }
-    FX_INT32 otherToY = fromY - (toY - fromY);
+    int32_t otherToY = fromY - (toY - fromY);
     if (otherToY < 0) {
         otherToY = -1;
     } else if (otherToY >= m_image->GetHeight()) {
         otherToY = m_image->GetHeight();
     }
     result += SizeOfBlackWhiteBlackRun(fromX, fromY, otherToX, otherToY);
     return result - 1.0f;
 }
-FX_FLOAT CBC_QRDetector::SizeOfBlackWhiteBlackRun(FX_INT32 fromX, FX_INT32 fromY, FX_INT32 toX, FX_INT32 toY)
+FX_FLOAT CBC_QRDetector::SizeOfBlackWhiteBlackRun(int32_t fromX, int32_t fromY, int32_t toX, int32_t toY)
 {
     FX_BOOL steep = FXSYS_abs(toY - fromY) > FXSYS_abs(toX - fromX);
     if (steep) {
-        FX_INT32 temp = fromX;
+        int32_t temp = fromX;
         fromX = fromY;
         fromY = temp;
         temp = toX;
         toX = toY;
         toY = temp;
     }
-    FX_INT32 dx = FXSYS_abs(toX - fromX);
-    FX_INT32 dy = FXSYS_abs(toY - fromY);
-    FX_INT32 error = -dx >> 1;
-    FX_INT32 ystep = fromY < toY ? 1 : -1;
-    FX_INT32 xstep = fromX < toX ? 1 : -1;
-    FX_INT32 state = 0;
-    for (FX_INT32 x = fromX, y = fromY; x != toX; x += xstep) {
-        FX_INT32 realX = steep ? y : x;
-        FX_INT32 realY = steep ? x : y;
+    int32_t dx = FXSYS_abs(toX - fromX);
+    int32_t dy = FXSYS_abs(toY - fromY);
+    int32_t error = -dx >> 1;
+    int32_t ystep = fromY < toY ? 1 : -1;
+    int32_t xstep = fromX < toX ? 1 : -1;
+    int32_t state = 0;
+    for (int32_t x = fromX, y = fromY; x != toX; x += xstep) {
+        int32_t realX = steep ? y : x;
+        int32_t realY = steep ? x : y;
         if (state == 1) {
             if (m_image->Get(realX, realY)) {
                 state++;
             }
         } else {
             if (!m_image->Get(realX, realY)) {
                 state++;
             }
         }
         if (state == 3) {
-            FX_INT32 diffX = x - fromX;
-            FX_INT32 diffY = y - fromY;
+            int32_t diffX = x - fromX;
+            int32_t diffY = y - fromY;
             return (FX_FLOAT) sqrt((double) (diffX * diffX + diffY * diffY));
         }
         error += dy;
         if (error > 0) {
             y += ystep;
             error -= dx;
         }
     }
-    FX_INT32 diffX = toX - fromX;
-    FX_INT32 diffY = toY - fromY;
+    int32_t diffX = toX - fromX;
+    int32_t diffY = toY - fromY;
     return (FX_FLOAT) sqrt((double) (diffX * diffX + diffY * diffY));
 }
-CBC_QRAlignmentPattern *CBC_QRDetector::FindAlignmentInRegion(FX_FLOAT overallEstModuleSize, FX_INT32 estAlignmentX,
-        FX_INT32 estAlignmentY, FX_FLOAT allowanceFactor, FX_INT32 &e)
+CBC_QRAlignmentPattern *CBC_QRDetector::FindAlignmentInRegion(FX_FLOAT overallEstModuleSize, int32_t estAlignmentX,
+        int32_t estAlignmentY, FX_FLOAT allowanceFactor, int32_t &e)
 {
-    FX_INT32 allowance = (FX_INT32) (allowanceFactor * overallEstModuleSize);
-    FX_INT32 alignmentAreaLeftX = FX_MAX(0, estAlignmentX - allowance);
-    FX_INT32 alignmentAreaRightX = FX_MIN(m_image->GetWidth() - 1, estAlignmentX + allowance);
+    int32_t allowance = (int32_t) (allowanceFactor * overallEstModuleSize);
+    int32_t alignmentAreaLeftX = FX_MAX(0, estAlignmentX - allowance);
+    int32_t alignmentAreaRightX = FX_MIN(m_image->GetWidth() - 1, estAlignmentX + allowance);
     if (alignmentAreaRightX - alignmentAreaLeftX < overallEstModuleSize * 3) {
         e = BCExceptionRead;
         BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
-    FX_INT32 alignmentAreaTopY = FX_MAX(0, estAlignmentY - allowance);
-    FX_INT32 alignmentAreaBottomY = FX_MIN(m_image->GetHeight() - 1, estAlignmentY + allowance);
+    int32_t alignmentAreaTopY = FX_MAX(0, estAlignmentY - allowance);
+    int32_t alignmentAreaBottomY = FX_MIN(m_image->GetHeight() - 1, estAlignmentY + allowance);
     CBC_QRAlignmentPatternFinder alignmentFinder(m_image,
             alignmentAreaLeftX,
             alignmentAreaTopY,
             alignmentAreaRightX - alignmentAreaLeftX,
             alignmentAreaBottomY - alignmentAreaTopY,
             overallEstModuleSize);
     CBC_QRAlignmentPattern *qap = alignmentFinder.Find(e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     return qap;
 }