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/*
* Copyright (c) 2009-2016, Albertas Vyšniauskas
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* * Neither the name of the software author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GPICK_SAMPLER_H_
#define GPICK_SAMPLER_H_
#include "Color.h"
#include "Rect2.h"
#include "Vector2.h"
struct Sampler;
struct ScreenReader;
enum class SamplerFalloff: int
{
none = 0,
linear = 1,
quadratic = 2,
cubic = 3,
exponential = 4,
};
Sampler* sampler_new(ScreenReader* screen_reader);
void sampler_set_falloff(Sampler *sampler, SamplerFalloff falloff);
void sampler_set_oversample(Sampler *sampler, int oversample);
SamplerFalloff sampler_get_falloff(Sampler *sampler);
int sampler_get_oversample(Sampler *sampler);
void sampler_destroy(Sampler *sampler);
int sampler_get_color_sample(Sampler *sampler, math::Vec2<int>& pointer, math::Rect2<int>& screen_rect, math::Vec2<int>& offset, Color* color);
void sampler_get_screen_rect(Sampler *sampler, math::Vec2<int>& pointer, math::Rect2<int>& screen_rect, math::Rect2<int> *rect);
#endif /* GPICK_SAMPLER_H_ */
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