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/*
* Copyright 2006, NVIDIA Corporation Ignacio Castano <icastano@nvidia.com>
*
* Modifications copyright (c) 2011, Blender Foundation.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __SUBD_STENCIL__
#define __SUBD_STENCIL__
#include "util_types.h"
#include "util_vector.h"
CCL_NAMESPACE_BEGIN
class StencilMask
{
public:
StencilMask();
StencilMask(int size);
void resize(int size);
StencilMask& operator=(float value);
void operator+=(const StencilMask& mask);
void operator-=(const StencilMask& mask);
void operator*=(float scale);
void operator/=(float scale);
int size() const { return weights.size(); }
float operator[](int i) const { return weights[i]; }
float& operator[](int i) { return weights[i]; }
float sum() const;
bool is_normalized() const;
void normalize();
private:
vector<float> weights;
};
CCL_NAMESPACE_END
#endif /* __SUBD_STENCIL__ */
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