OpenSubdiv/regression/common/shape_utils.h
manuelk c399655dcc Landing 3.0.0.alpha
Sync'ing the 'dev' branch with the 'feature_3.0dev' branch at commit 68c6d11fc36761ae1a5e6cdc3457be16f2e9704a

The branch 'feature_3.0dev' is now locked and preserved for historical purposes.
2014-09-05 15:07:46 -07:00

86 lines
2.5 KiB
C++

//
// Copyright 2013 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
// names, trademarks, service marks, or product names of the Licensor
// and its affiliates, except as required to comply with Section 4(c) of
// the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#ifndef SHAPE_UTILS_H
#define SHAPE_UTILS_H
#include <string>
#include <vector>
//------------------------------------------------------------------------------
enum Scheme {
kBilinear=0,
kCatmark,
kLoop
};
//------------------------------------------------------------------------------
struct Shape {
struct tag {
static tag * parseTag( char const * stream );
std::string genTag() const;
std::string name;
std::vector<int> intargs;
std::vector<float> floatargs;
std::vector<std::string> stringargs;
};
static Shape * parseObj(char const * Shapestr, Scheme schme, int axis=1);
std::string genShape(char const * name) const;
std::string genObj() const;
std::string genRIB() const;
~Shape();
int GetNumVertices() const { return (int)verts.size()/3; }
int GetNumFaces() const { return (int)nvertsPerFace.size(); }
bool HasUV() const { return not (uvs.empty() or faceuvs.empty()); }
int GetFVarWidth() const { return HasUV() ? 2 : 0; }
std::vector<float> verts;
std::vector<float> uvs;
std::vector<float> normals;
std::vector<int> nvertsPerFace;
std::vector<int> faceverts;
std::vector<int> faceuvs;
std::vector<int> facenormals;
std::vector<tag *> tags;
Scheme scheme;
};
//------------------------------------------------------------------------------
#endif /* SHAPE_UTILS_H */