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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.
101 lines
3.9 KiB
C++
101 lines
3.9 KiB
C++
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache 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 Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#ifndef HBRCREASEEDIT_H
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#define HBRCREASEEDIT_H
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#include "../version.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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template <class T> class HbrCreaseEdit;
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template <class T>
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std::ostream& operator<<(std::ostream& out, const HbrCreaseEdit<T>& path) {
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out << "edge path = (" << path.faceid << ' ';
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for (int i = 0; i < path.nsubfaces; ++i) {
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out << static_cast<int>(path.subfaces[i]) << ' ';
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}
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return out << static_cast<int>(path.edgeid) << "), sharpness = " << path.sharpness;
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}
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template <class T>
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class HbrCreaseEdit : public HbrHierarchicalEdit<T> {
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public:
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HbrCreaseEdit(int _faceid, int _nsubfaces, unsigned char *_subfaces, unsigned char _edgeid, typename HbrHierarchicalEdit<T>::Operation _op, float _sharpness)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), edgeid(_edgeid), op(_op), sharpness(_sharpness) {
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}
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HbrCreaseEdit(int _faceid, int _nsubfaces, int *_subfaces, int _edgeid, typename HbrHierarchicalEdit<T>::Operation _op, float _sharpness)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), edgeid(static_cast<unsigned char>(_edgeid)), op(_op), sharpness(_sharpness) {
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}
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virtual ~HbrCreaseEdit() {}
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friend std::ostream& operator<< <T> (std::ostream& out, const HbrCreaseEdit<T>& path);
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virtual void ApplyEditToFace(HbrFace<T>* face) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth()) {
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// Modify edge sharpness
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float sharp=0.0f;
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if (op == HbrHierarchicalEdit<T>::Set) {
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sharp = sharpness;
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} else if (op == HbrHierarchicalEdit<T>::Add) {
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sharp = face->GetEdge(edgeid)->GetSharpness() + sharpness;
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} else if (op == HbrHierarchicalEdit<T>::Subtract) {
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sharp = face->GetEdge(edgeid)->GetSharpness() - sharpness;
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}
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if (sharp < HbrHalfedge<T>::k_Smooth)
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sharp = HbrHalfedge<T>::k_Smooth;
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if (sharp > HbrHalfedge<T>::k_InfinitelySharp)
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sharp = HbrHalfedge<T>::k_InfinitelySharp;
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// We have to make sure the neighbor of the edge exists at
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// this point. Otherwise, if it comes into being late, it
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// will clobber the overriden sharpness and we will lose
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// the edit.
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face->GetEdge(edgeid)->GuaranteeNeighbor();
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face->GetEdge(edgeid)->SetSharpness(sharp);
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}
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}
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private:
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// ID of the edge (you can think of this also as the id of the
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// origin vertex of the two-vertex length edge)
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const unsigned char edgeid;
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typename HbrHierarchicalEdit<T>::Operation op;
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// sharpness of the edge edit
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const float sharpness;
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};
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} // end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} // end namespace OpenSubdiv
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#endif /* HBRCREASEEDIT_H */
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