Fixed hundreds compiler warnings #411

src/draco/attributes/attribute_octahedron_transform.cc

@@ -57,7 +57,7 @@ AttributeOctahedronTransform::GeneratePortableAttribute(
   DRACO_DCHECK(is_initialized());
 
   // Allocate portable attribute.
-  const int num_entries = point_ids.size();
+  const int num_entries = static_cast<int>(point_ids.size());
   std::unique_ptr<PointAttribute> portable_attribute =
       InitPortableAttribute(num_entries, 2, num_points, attribute, true);
 

src/draco/attributes/attribute_quantization_transform.cc

@@ -76,7 +76,7 @@ bool AttributeQuantizationTransform::ComputeParameters(
   attribute.GetValue(AttributeValueIndex(0), min_values_.data());
   attribute.GetValue(AttributeValueIndex(0), max_values.get());
 
-  for (AttributeValueIndex i(1); i < attribute.size(); ++i) {
+  for (AttributeValueIndex i(1); i < static_cast<uint32_t>(attribute.size()); ++i) {
     attribute.GetValue(i, att_val.get());
     for (int c = 0; c < num_components; ++c) {
       if (min_values_[c] > att_val[c])
@@ -144,7 +144,7 @@ AttributeQuantizationTransform::GeneratePortableAttribute(
   DRACO_DCHECK(is_initialized());
 
   // Allocate portable attribute.
-  const int num_entries = point_ids.size();
+  const int num_entries = static_cast<int>(point_ids.size());
   const int num_components = attribute.num_components();
   std::unique_ptr<PointAttribute> portable_attribute = InitPortableAttribute(
       num_entries, num_components, num_points, attribute, true);

src/draco/attributes/attribute_transform_data.h

@@ -58,7 +58,7 @@ class AttributeTransformData {
   // Sets a parameter value at the end of the |buffer_|.
   template <typename DataTypeT>
   void AppendParameterValue(const DataTypeT &in_data) {
-    SetParameterValue(buffer_.data_size(), in_data);
+    SetParameterValue(static_cast<int>(buffer_.data_size()), in_data);
   }
 
  private:

src/draco/attributes/point_attribute.cc

@@ -60,7 +60,7 @@ bool PointAttribute::Reset(size_t num_attribute_values) {
     return false;
   // Assign the new buffer to the parent attribute.
   ResetBuffer(attribute_buffer_.get(), entry_size, 0);
-  num_unique_entries_ = num_attribute_values;
+  num_unique_entries_ = static_cast<uint32_t>(num_attribute_values);
   return true;
 }
 
@@ -188,12 +188,12 @@ AttributeValueIndex::ValueType PointAttribute::DeduplicateFormattedValues(
     // The number of points is equal to the number of old unique values.
     SetExplicitMapping(num_unique_entries_);
     // Update the explicit map.
-    for (int i = 0; i < num_unique_entries_; ++i) {
+    for (uint32_t i = 0; i < num_unique_entries_; ++i) {
       SetPointMapEntry(PointIndex(i), value_map[AttributeValueIndex(i)]);
     }
   } else {
     // Update point to value map using the mapping between old and new values.
-    for (PointIndex i(0); i < indices_map_.size(); ++i) {
+    for (PointIndex i(0); i < static_cast<uint32_t>(indices_map_.size()); ++i) {
       SetPointMapEntry(i, value_map[indices_map_[i]]);
     }
   }

src/draco/attributes/point_attribute.h

@@ -67,7 +67,7 @@ class PointAttribute : public GeometryAttribute {
 
   // Sets the new number of unique attribute entries for the attribute.
   void Resize(size_t new_num_unique_entries) {
-    num_unique_entries_ = new_num_unique_entries;
+    num_unique_entries_ = static_cast<uint32_t>(new_num_unique_entries);
   }
 
   // Functions for setting the type of mapping between point indices and

src/draco/compression/attributes/attributes_decoder.cc

@@ -45,7 +45,7 @@ bool AttributesDecoder::DecodeAttributesDecoderData(DecoderBuffer *in_buffer) {
     return false;
   point_attribute_ids_.resize(num_attributes);
   PointCloud *pc = point_cloud_;
-  for (int i = 0; i < num_attributes; ++i) {
+  for (uint32_t i = 0; i < num_attributes; ++i) {
     // Decode attribute descriptor data.
     uint8_t att_type, data_type, num_components, normalized;
     if (!in_buffer->Decode(&att_type))

src/draco/compression/attributes/attributes_decoder.h

@@ -46,7 +46,7 @@ class AttributesDecoder : public AttributesDecoderInterface {
     return point_attribute_ids_[i];
   }
   int32_t GetNumAttributes() const override {
-    return point_attribute_ids_.size();
+    return static_cast<int32_t>(point_attribute_ids_.size());
   }
   PointCloudDecoder *GetDecoder() const override {
     return point_cloud_decoder_;
@@ -65,7 +65,7 @@ class AttributesDecoder : public AttributesDecoderInterface {
 
  protected:
   int32_t GetLocalIdForPointAttribute(int32_t point_attribute_id) const {
-    const int id_map_size = point_attribute_to_local_id_map_.size();
+    const int id_map_size = static_cast<int>(point_attribute_to_local_id_map_.size());
     if (point_attribute_id >= id_map_size)
       return -1;
     return point_attribute_to_local_id_map_[point_attribute_id];

src/draco/compression/attributes/attributes_encoder.cc

@@ -35,7 +35,7 @@ bool AttributesEncoder::Initialize(PointCloudEncoder *encoder,
 bool AttributesEncoder::EncodeAttributesEncoderData(EncoderBuffer *out_buffer) {
   // Encode data about all attributes.
   EncodeVarint(num_attributes(), out_buffer);
-  for (int i = 0; i < num_attributes(); ++i) {
+  for (uint32_t i = 0; i < num_attributes(); ++i) {
     const int32_t att_id = point_attribute_ids_[i];
     const PointAttribute *const pa = point_cloud_->attribute(att_id);
     out_buffer->Encode(static_cast<uint8_t>(pa->attribute_type()));

src/draco/compression/attributes/attributes_encoder.h

@@ -89,7 +89,7 @@ class AttributesEncoder {
     point_attribute_ids_.push_back(id);
     if (id >= static_cast<int32_t>(point_attribute_to_local_id_map_.size()))
       point_attribute_to_local_id_map_.resize(id + 1, -1);
-    point_attribute_to_local_id_map_[id] = point_attribute_ids_.size() - 1;
+    point_attribute_to_local_id_map_[id] = static_cast<int32_t>(point_attribute_ids_.size()) - 1;
   }
 
   // Sets new attribute point ids (replacing the existing ones).
@@ -102,7 +102,7 @@ class AttributesEncoder {
   }
 
   int32_t GetAttributeId(int i) const { return point_attribute_ids_[i]; }
-  uint32_t num_attributes() const { return point_attribute_ids_.size(); }
+  uint32_t num_attributes() const { return static_cast<uint32_t>(point_attribute_ids_.size()); }
   PointCloudEncoder *encoder() const { return point_cloud_encoder_; }
 
  protected:
@@ -122,7 +122,7 @@ class AttributesEncoder {
   }
 
   int32_t GetLocalIdForPointAttribute(int32_t point_attribute_id) const {
-    const int id_map_size = point_attribute_to_local_id_map_.size();
+    const int id_map_size = static_cast<int>(point_attribute_to_local_id_map_.size());
     if (point_attribute_id >= id_map_size)
       return -1;
     return point_attribute_to_local_id_map_[point_attribute_id];

src/draco/compression/attributes/kd_tree_attributes_decoder.cc

@@ -96,15 +96,15 @@ class PointAttributeVectorOutputIterator {
       if (data_size != 4) {  // handle uint16_t, uint8_t
         // selectively copy data bytes
         uint8_t *data_counter = data_;
-        for (auto index = 0; index < num_components;
+        for (uint32_t index = 0; index < num_components;
              index += 1, data_counter += data_size) {
           std::memcpy(data_counter, data_source + index, data_size);
         }
         // redirect to copied data
         data_source = reinterpret_cast<uint32_t *>(data_);
       }
       const AttributeValueIndex avi = attribute->mapped_index(point_id_);
-      if (avi >= attribute->size())
+      if (avi >= static_cast<uint32_t>(attribute->size()))
         return *this;
       attribute->SetAttributeValue(avi, data_source);
     }
@@ -268,7 +268,7 @@ bool KdTreeAttributesDecoder::DecodeDataNeededByPortableTransforms(
         AttributeQuantizationTransform transform;
         transform.SetParameters(quantization_bits, min_value.data(),
                                 num_components, max_value_dif);
-        const int num_transforms = attribute_quantization_transforms_.size();
+        const int num_transforms = static_cast<int>(attribute_quantization_transforms_.size());
         if (!transform.TransferToAttribute(
                 quantized_portable_attributes_[num_transforms].get()))
           return false;
@@ -290,7 +290,7 @@ bool KdTreeAttributesDecoder::DecodeDataNeededByPortableTransforms(
   const uint32_t attribute_count = GetNumAttributes();
   uint32_t total_dimensionality = 0;  // position is a required dimension
   std::vector<AttributeTuple> atts(attribute_count);
-  for (auto attribute_index = 0; attribute_index < attribute_count;
+  for (auto attribute_index = 0; static_cast<uint32_t>(attribute_index) < attribute_count;
        attribute_index += 1)  // increment the dimensionality as needed...
   {
     const int att_id = GetAttributeId(attribute_index);
@@ -337,7 +337,7 @@ bool KdTreeAttributesDecoder::DecodeDataNeededByPortableTransforms(
     if (!in_buffer->Decode(&num_points))
       return false;
 
-    for (auto attribute_index = 0; attribute_index < attribute_count;
+    for (auto attribute_index = 0; static_cast<uint32_t>(attribute_index) < attribute_count;
          attribute_index += 1) {
       const int att_id = GetAttributeId(attribute_index);
       PointAttribute *const attr =
@@ -411,7 +411,7 @@ bool KdTreeAttributesDecoder::TransformAttributeBackToSignedType(
   std::vector<UnsignedType> unsigned_val(att->num_components());
   std::vector<SignedDataTypeT> signed_val(att->num_components());
 
-  for (AttributeValueIndex avi(0); avi < att->size(); ++avi) {
+  for (AttributeValueIndex avi(0); avi < static_cast<uint32_t>(att->size()); ++avi) {
     att->GetValue(avi, &unsigned_val[0]);
     for (int c = 0; c < att->num_components(); ++c) {
       // Up-cast |unsigned_val| to int32_t to ensure we don't overflow it for

src/draco/compression/attributes/kd_tree_attributes_encoder.cc

@@ -32,7 +32,7 @@ bool KdTreeAttributesEncoder::TransformAttributesToPortableFormat() {
   // the kd tree encoder (quantization of floating attributes for now).
   const size_t num_points = encoder()->point_cloud()->num_points();
   int num_components = 0;
-  for (int i = 0; i < num_attributes(); ++i) {
+  for (uint32_t i = 0; i < num_attributes(); ++i) {
     const int att_id = GetAttributeId(i);
     const PointAttribute *const att =
         encoder()->point_cloud()->attribute(att_id);
@@ -41,7 +41,7 @@ bool KdTreeAttributesEncoder::TransformAttributesToPortableFormat() {
   num_components_ = num_components;
 
   // Go over all attributes and quantize them if needed.
-  for (int i = 0; i < num_attributes(); ++i) {
+  for (uint32_t i = 0; i < num_attributes(); ++i) {
     const int att_id = GetAttributeId(i);
     const PointAttribute *const att =
         encoder()->point_cloud()->attribute(att_id);
@@ -78,7 +78,7 @@ bool KdTreeAttributesEncoder::TransformAttributesToPortableFormat() {
       // the actual encoding of the data.
       quantized_portable_attributes_.push_back(
           attribute_quantization_transform.GeneratePortableAttribute(
-              *att, num_points));
+              *att, static_cast<int>(num_points)));
     } else if (att->data_type() == DT_INT32 || att->data_type() == DT_INT16 ||
                att->data_type() == DT_INT8) {
       // For signed types, find the minimum value for each component. These
@@ -87,7 +87,7 @@ bool KdTreeAttributesEncoder::TransformAttributesToPortableFormat() {
       std::vector<int32_t> min_value(att->num_components(),
                                      std::numeric_limits<int32_t>::max());
       std::vector<int32_t> act_value(att->num_components());
-      for (AttributeValueIndex avi(0); avi < att->size(); ++avi) {
+      for (AttributeValueIndex avi(0); avi < static_cast<uint32_t>(att->size()); ++avi) {
         att->ConvertValue<int32_t>(avi, &act_value[0]);
         for (int c = 0; c < att->num_components(); ++c) {
           if (min_value[c] > act_value[c])
@@ -145,7 +145,7 @@ bool KdTreeAttributesEncoder::EncodePortableAttributes(
   int num_processed_quantized_attributes = 0;
   int num_processed_signed_components = 0;
   // Copy data to the point vector.
-  for (int i = 0; i < num_attributes(); ++i) {
+  for (uint32_t i = 0; i < num_attributes(); ++i) {
     const int att_id = GetAttributeId(i);
     const PointAttribute *const att =
         encoder()->point_cloud()->attribute(att_id);

src/draco/compression/attributes/mesh_traversal_sequencer.h

@@ -49,7 +49,7 @@ class MeshTraversalSequencer : public PointsSequencer {
     attribute->SetExplicitMapping(mesh_->num_points());
     const size_t num_faces = mesh_->num_faces();
     const size_t num_points = mesh_->num_points();
-    for (FaceIndex f(0); f < num_faces; ++f) {
+    for (FaceIndex f(0); f < static_cast<uint32_t>(num_faces); ++f) {
       const auto &face = mesh_->face(f);
       for (int p = 0; p < 3; ++p) {
         const PointIndex point_id = face[p];

src/draco/compression/attributes/normal_compression_utils.h

@@ -175,8 +175,8 @@ class OctahedronToolBox {
     if (abs_sum == 0) {
       vec[0] = center_value_;  // vec[1] == v[2] == 0
     } else {
-      vec[0] = (static_cast<int64_t>(vec[0]) * center_value_) / abs_sum;
-      vec[1] = (static_cast<int64_t>(vec[1]) * center_value_) / abs_sum;
+      vec[0] = (static_cast<int64_t>(vec[0]) * static_cast<int64_t>(center_value_)) / abs_sum;
+      vec[1] = (static_cast<int64_t>(vec[1]) * static_cast<int64_t>(center_value_)) / abs_sum;
       if (vec[2] >= 0) {
         vec[2] = center_value_ - std::abs(vec[0]) - std::abs(vec[1]);
       } else {

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_constrained_multi_parallelogram_decoder.h

@@ -105,7 +105,7 @@ bool MeshPredictionSchemeConstrainedMultiParallelogramDecoder<
   // Used to store predicted value for multi-parallelogram prediction.
   std::vector<DataTypeT> multi_pred_vals(num_components);
 
-  const int corner_map_size = this->mesh_data().data_to_corner_map()->size();
+  const int corner_map_size = static_cast<int>(this->mesh_data().data_to_corner_map()->size());
   for (int p = 1; p < corner_map_size; ++p) {
     const CornerIndex start_corner_id =
         this->mesh_data().data_to_corner_map()->at(p);
@@ -211,7 +211,7 @@ bool MeshPredictionSchemeConstrainedMultiParallelogramDecoder<
       RAnsBitDecoder decoder;
       if (!decoder.StartDecoding(buffer))
         return false;
-      for (int j = 0; j < num_flags; ++j) {
+      for (uint32_t j = 0; j < num_flags; ++j) {
         is_crease_edge_[i][j] = decoder.DecodeNextBit();
       }
       decoder.EndDecoding();

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_constrained_multi_parallelogram_encoder.h

@@ -87,10 +87,10 @@ class MeshPredictionSchemeConstrainedMultiParallelogramEncoder
     // TODO(ostava): This should be generalized in case we use other binary
     // coding scheme.
     const double entropy = ComputeBinaryShannonEntropy(
-        total_parallelogram, total_used_parallelograms);
+		static_cast<uint32_t>(total_parallelogram), static_cast<uint32_t>(total_used_parallelograms));
 
     // Round up to the nearest full bit.
-    return ceil((double)total_parallelogram * entropy);
+    return static_cast<int64_t>(ceil(static_cast<double>(total_parallelogram) * entropy));
   }
 
   // Struct that contains data used for measuring the error of each available
@@ -209,7 +209,7 @@ bool MeshPredictionSchemeConstrainedMultiParallelogramEncoder<
   // We start processing the vertices from the end because this prediction uses
   // data from previous entries that could be overwritten when an entry is
   // processed.
-  for (int p = this->mesh_data().data_to_corner_map()->size() - 1; p > 0; --p) {
+  for (int p = static_cast<int>(this->mesh_data().data_to_corner_map()->size()) - 1; p > 0; --p) {
     const CornerIndex start_corner_id =
         this->mesh_data().data_to_corner_map()->at(p);
 
@@ -386,7 +386,7 @@ bool MeshPredictionSchemeConstrainedMultiParallelogramEncoder<
       // Encode the crease edge flags in the reverse vertex order that is needed
       // be the decoder. Note that for the currently supported mode, each vertex
       // has exactly |num_used_parallelograms| edges that need to be encoded.
-      for (int j = is_crease_edge_[i].size() - num_used_parallelograms; j >= 0;
+      for (int j = static_cast<int>(is_crease_edge_[i].size()) - num_used_parallelograms; j >= 0;
            j -= num_used_parallelograms) {
         // Go over all edges of the current vertex.
         for (int k = 0; k < num_used_parallelograms; ++k) {

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_geometric_normal_decoder.h

@@ -103,7 +103,7 @@ bool MeshPredictionSchemeGeometricNormalDecoder<
   // Expecting in_data in octahedral coordinates, i.e., portable attribute.
   DRACO_DCHECK_EQ(num_components, 2);
 
-  const int corner_map_size = this->mesh_data().data_to_corner_map()->size();
+  const int corner_map_size = static_cast<int>(this->mesh_data().data_to_corner_map()->size());
 
   VectorD<int32_t, 3> pred_normal_3d;
   int32_t pred_normal_oct[2];

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_geometric_normal_encoder.h

@@ -102,7 +102,7 @@ bool MeshPredictionSchemeGeometricNormalEncoder<DataTypeT, TransformT,
 
   flip_normal_bit_encoder_.StartEncoding();
 
-  const int corner_map_size = this->mesh_data().data_to_corner_map()->size();
+  const int corner_map_size = static_cast<int>(this->mesh_data().data_to_corner_map()->size());
 
   VectorD<int32_t, 3> pred_normal_3d;
   VectorD<int32_t, 2> pos_pred_normal_oct;

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_geometric_normal_predictor_area.h

@@ -76,7 +76,7 @@ class MeshPredictionSchemeGeometricNormalPredictorArea
     // Convert to int32_t, make sure entries are not too large.
     constexpr int64_t upper_bound = 1 << 29;
     if (this->normal_prediction_mode_ == ONE_TRIANGLE) {
-      const int32_t abs_sum = normal.AbsSum();
+      const int32_t abs_sum = static_cast<int32_t>(normal.AbsSum());
       if (abs_sum > upper_bound) {
         const int64_t quotient = abs_sum / upper_bound;
         normal = normal / quotient;

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_multi_parallelogram_decoder.h

@@ -73,7 +73,7 @@ bool MeshPredictionSchemeMultiParallelogramDecoder<DataTypeT, TransformT,
   const std::vector<int32_t> *const vertex_to_data_map =
       this->mesh_data().vertex_to_data_map();
 
-  const int corner_map_size = this->mesh_data().data_to_corner_map()->size();
+  const int corner_map_size = static_cast<int>(this->mesh_data().data_to_corner_map()->size());
   for (int p = 1; p < corner_map_size; ++p) {
     const CornerIndex start_corner_id =
         this->mesh_data().data_to_corner_map()->at(p);

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_multi_parallelogram_encoder.h

@@ -74,7 +74,7 @@ bool MeshPredictionSchemeMultiParallelogramEncoder<DataTypeT, TransformT,
 
   // We start processing from the end because this prediction uses data from
   // previous entries that could be overwritten when an entry is processed.
-  for (int p = this->mesh_data().data_to_corner_map()->size() - 1; p > 0; --p) {
+  for (int p = static_cast<int>(this->mesh_data().data_to_corner_map()->size() - 1); p > 0; --p) {
     const CornerIndex start_corner_id =
         this->mesh_data().data_to_corner_map()->at(p);
 

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_parallelogram_decoder.h

@@ -69,7 +69,7 @@ bool MeshPredictionSchemeParallelogramDecoder<DataTypeT, TransformT,
   // Restore the first value.
   this->transform().ComputeOriginalValue(pred_vals.get(), in_corr, out_data);
 
-  const int corner_map_size = this->mesh_data().data_to_corner_map()->size();
+  const int corner_map_size = static_cast<int>(this->mesh_data().data_to_corner_map()->size());
   for (int p = 1; p < corner_map_size; ++p) {
     const CornerIndex corner_id = this->mesh_data().data_to_corner_map()->at(p);
     const int dst_offset = p * num_components;

src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_parallelogram_encoder.h

@@ -77,7 +77,7 @@ bool MeshPredictionSchemeParallelogramEncoder<DataTypeT, TransformT,
   const CornerTable *const table = this->mesh_data().corner_table();
   const std::vector<int32_t> *const vertex_to_data_map =
       this->mesh_data().vertex_to_data_map();
-  for (int p = this->mesh_data().data_to_corner_map()->size() - 1; p > 0; --p) {
+  for (int p = static_cast<int>(this->mesh_data().data_to_corner_map()->size() - 1); p > 0; --p) {
     const CornerIndex corner_id = this->mesh_data().data_to_corner_map()->at(p);
     const int dst_offset = p * num_components;
     if (!ComputeParallelogramPrediction(p, corner_id, table,