From 777391c1cfbd5b289d6c99cb8344018373850690 Mon Sep 17 00:00:00 2001
From: Nikolaos Ftylitakis <ftylitak@gmail.com>
Date: Sat, 7 Aug 2021 22:52:41 +0300
Subject: [PATCH] added various casts to avoid LGTM warning

---
 src/CameraImageWrapper.cpp                                 | 2 +-
 src/zxing/zxing/common/BitMatrix.cpp                       | 2 +-
 src/zxing/zxing/common/GreyscaleLuminanceSource.cpp        | 2 +-
 src/zxing/zxing/common/GreyscaleRotatedLuminanceSource.cpp | 4 ++--
 src/zxing/zxing/common/HybridBinarizer.cpp                 | 4 ++--
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/CameraImageWrapper.cpp b/src/CameraImageWrapper.cpp
index dc3920d..7c408c3 100644
--- a/src/CameraImageWrapper.cpp
+++ b/src/CameraImageWrapper.cpp
@@ -195,7 +195,7 @@ void CameraImageWrapper::updateImageAsGrayscale(const QImage &origin)
     const int width = getWidth();
     const int height = getHeight();
 
-    imageBytes = QSharedPointer<std::vector<zxing::byte>>(new std::vector<zxing::byte>(height*width));
+    imageBytes = QSharedPointer<std::vector<zxing::byte>>(new std::vector<zxing::byte>((size_t)height * (size_t)width));
     imageBytesPerRow = QSharedPointer<std::vector<QSharedPointer<std::vector<zxing::byte>>>>(new std::vector<QSharedPointer<std::vector<zxing::byte>>>(height));
     zxing::byte* m = &(*imageBytes)[0];
 
diff --git a/src/zxing/zxing/common/BitMatrix.cpp b/src/zxing/zxing/common/BitMatrix.cpp
index 4930b1b..2724c8b 100644
--- a/src/zxing/zxing/common/BitMatrix.cpp
+++ b/src/zxing/zxing/common/BitMatrix.cpp
@@ -37,7 +37,7 @@ void BitMatrix::init(int width, int height) {
     this->width = width;
     this->height = height;
     this->rowSize = (width + 31) >> 5;
-    bits.reset(new std::vector<int>(rowSize * height));
+    bits.reset(new std::vector<int>((size_t)rowSize * (size_t)height));
 }
 
 BitMatrix::BitMatrix(int dimension) {
diff --git a/src/zxing/zxing/common/GreyscaleLuminanceSource.cpp b/src/zxing/zxing/common/GreyscaleLuminanceSource.cpp
index e3e8547..fe66009 100644
--- a/src/zxing/zxing/common/GreyscaleLuminanceSource.cpp
+++ b/src/zxing/zxing/common/GreyscaleLuminanceSource.cpp
@@ -64,7 +64,7 @@ QSharedPointer<std::vector<zxing::byte>> GreyscaleLuminanceSource::getMatrix() c
   int size = getWidth() * getHeight();
   QSharedPointer<std::vector<zxing::byte>> result (new std::vector<zxing::byte>(size));
   for (int row = 0; row < getHeight(); row++) {
-    memcpy(&(*result)[row * getWidth()], &(*greyData_)[(top_ + row) * dataWidth_ + left_], getWidth());
+    memcpy(&(*result)[(size_t)row * (size_t)getWidth()], &(*greyData_)[(top_ + row) * dataWidth_ + left_], getWidth());
   }
   return result;
 }
diff --git a/src/zxing/zxing/common/GreyscaleRotatedLuminanceSource.cpp b/src/zxing/zxing/common/GreyscaleRotatedLuminanceSource.cpp
index 0f12519..d43c785 100644
--- a/src/zxing/zxing/common/GreyscaleRotatedLuminanceSource.cpp
+++ b/src/zxing/zxing/common/GreyscaleRotatedLuminanceSource.cpp
@@ -69,9 +69,9 @@ GreyscaleRotatedLuminanceSource::getRow(int y, QSharedPointer<std::vector<zxing:
 }
 
 QSharedPointer<std::vector<zxing::byte>> GreyscaleRotatedLuminanceSource::getMatrix() const {
-  QSharedPointer<std::vector<zxing::byte>> result (new std::vector<zxing::byte>(getWidth() * getHeight()));
+  QSharedPointer<std::vector<zxing::byte>> result (new std::vector<zxing::byte>((size_t)getWidth() * (size_t)getHeight()));
   for (int y = 0; y < getHeight(); y++) {
-    zxing::byte* row = &(*result)[y * getWidth()];
+    zxing::byte* row = &(*result)[(size_t)y * (size_t)getWidth()];
     int offset = (left_ * dataWidth_) + (dataWidth_ - 1 - (y + top_));
     for (int x = 0; x < getWidth(); x++) {
       row[x] = (*greyData_)[offset];
diff --git a/src/zxing/zxing/common/HybridBinarizer.cpp b/src/zxing/zxing/common/HybridBinarizer.cpp
index 8a0c489..e8ef902 100644
--- a/src/zxing/zxing/common/HybridBinarizer.cpp
+++ b/src/zxing/zxing/common/HybridBinarizer.cpp
@@ -117,7 +117,7 @@ HybridBinarizer::calculateThresholdForBlock(QSharedPointer<std::vector<zxing::by
       int top = cap(y, 2, subHeight - 3);
       int sum = 0;
       for (int z = -2; z <= 2; z++) {
-        int *blackRow = &(*blackPoints)[(top + z) * subWidth];
+        int *blackRow = &(*blackPoints)[(size_t)(top + z) * (size_t)subWidth];
         sum += blackRow[left - 2];
         sum += blackRow[left - 1];
         sum += blackRow[left];
@@ -164,7 +164,7 @@ QSharedPointer<std::vector<int>> HybridBinarizer::calculateBlackPoints(QSharedPo
                                                     int height) {
   const int minDynamicRange = 24;
 
-  QSharedPointer<std::vector<int>> blackPoints (new std::vector<int>(subHeight * subWidth));
+  QSharedPointer<std::vector<int>> blackPoints (new std::vector<int>((size_t)subHeight * (size_t)subWidth));
   for (int y = 0; y < subHeight; y++) {
     int yoffset = y << BLOCK_SIZE_POWER;
     int maxYOffset = height - BLOCK_SIZE;