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https://git.mirrors.martin98.com/https://github.com/google/draco
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113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
// Copyright 2016 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "javascript/emscripten/webidl_wrapper.h"
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#include "compression/decode.h"
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#include "mesh/mesh.h"
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namespace draco {
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DracoFloat32Array::DracoFloat32Array() {}
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float DracoFloat32Array::GetValue(int index) const { return values_[index]; }
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bool DracoFloat32Array::SetValues(const float *values, int count) {
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if (values) {
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values_.assign(values, values + count);
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} else {
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values_.resize(count);
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}
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return true;
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}
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DracoInt32Array::DracoInt32Array() {}
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int DracoInt32Array::GetValue(int index) const { return values_[index]; }
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bool DracoInt32Array::SetValues(const int *values, int count) {
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values_.assign(values, values + count);
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return true;
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}
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WebIDLWrapper::WebIDLWrapper() {}
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draco_EncodedGeometryType WebIDLWrapper::GetEncodedGeometryType(
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DecoderBuffer *in_buffer) {
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return draco::GetEncodedGeometryType(in_buffer);
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}
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PointCloud *WebIDLWrapper::DecodePointCloudFromBuffer(
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DecoderBuffer *in_buffer) {
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std::unique_ptr<PointCloud> pc(draco::DecodePointCloudFromBuffer(in_buffer));
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return pc.release();
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}
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Mesh *WebIDLWrapper::DecodeMeshFromBuffer(DecoderBuffer *in_buffer) {
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std::unique_ptr<Mesh> mesh(draco::DecodeMeshFromBuffer(in_buffer));
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return mesh.release();
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}
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long WebIDLWrapper::GetAttributeId(const PointCloud &pc,
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draco_GeometryAttribute_Type type) {
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return pc.GetNamedAttributeId(type);
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}
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const PointAttribute *WebIDLWrapper::GetAttribute(const PointCloud &pc,
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long att_id) {
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return pc.attribute(att_id);
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}
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bool WebIDLWrapper::GetFaceFromMesh(const Mesh &m, FaceIndex::ValueType face_id,
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DracoInt32Array *out_values) {
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const Mesh::Face &face = m.face(FaceIndex(face_id));
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return out_values->SetValues(reinterpret_cast<const int *>(face.data()),
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face.size());
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}
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bool WebIDLWrapper::GetAttributeFloat(const PointAttribute &pa,
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AttributeValueIndex::ValueType val_index,
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DracoFloat32Array *out_values) {
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const int kMaxAttributeFloatValues = 4;
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const int components = pa.components_count();
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float values[kMaxAttributeFloatValues] = {-2.0, -2.0, -2.0, -2.0};
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if (!pa.ConvertValue<float>(AttributeValueIndex(val_index), values))
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return false;
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return out_values->SetValues(values, components);
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}
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bool WebIDLWrapper::GetAttributeFloatForAllPoints(
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const PointCloud &pc, const PointAttribute &pa,
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DracoFloat32Array *out_values) {
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const int components = pa.components_count();
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const int num_points = pc.num_points();
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const int num_entries = num_points * components;
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const int kMaxAttributeFloatValues = 4;
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float values[kMaxAttributeFloatValues] = {-2.0, -2.0, -2.0, -2.0};
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int entry_id = 0;
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out_values->SetValues(nullptr, num_entries);
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for (PointIndex i(0); i < num_points; ++i) {
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const AttributeValueIndex val_index = pa.mapped_index(i);
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if (!pa.ConvertValue<float>(val_index, values))
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return false;
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for (int j = 0; j < components; ++j) {
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out_values->SetValue(entry_id++, values[j]);
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}
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}
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return true;
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}
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} // namespace draco
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