blending.hpp

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/* Copyright (c) 2023 Otto Link. Distributed under the terms of the GNU General
   Public License. The full license is in the file LICENSE, distributed with
   this software. */
 
#pragma once
#include "highmap/array.hpp"
#include "highmap/texture.hpp"
 
namespace hmap
{
 
Array blend_exclusion(const Array &array1, const Array &array2);
 
Array blend_gradients(const Array &array1, const Array &array2, int ir = 4);
 
Array blend_negate(const Array &array1, const Array &array2);
 
Array blend_overlay(const Array &array1, const Array &array2);
 
Array blend_soft(const Array &array1, const Array &array2);
 
Array blend_power_law(const std::vector<const Array *> &arrays,
                      float                             alpha = 0.f);
 
Array blend_power_law(const Array &array1,
                      const Array &array2,
                      float        alpha = 0.f);
 
Array mixer(const Array                      &t,
            const std::vector<const Array *> &arrays,
            float                             gain_factor = 1.f);
 
Array transfer(const Array &source,
               const Array &target,
               int          ir,
               float        amplitude,
               bool         target_prefiltering = false);
 
} // namespace hmap
 
namespace hmap::gpu
{
 
Array blend_gradients(const Array &array1, const Array &array2, int ir = 4);
 
Array blend_poisson_bf(const Array &array1,
                       const Array &array2,
                       const int    iterations = 500,
                       const Array *p_mask = nullptr);
 
Texture blend_poisson_bf(const Texture &texture1,
                         const Texture &texture2,
                         const int      iterations = 500,
                         const Array   *p_mask = nullptr);
 
Array transfer(const Array &source,
               const Array &target,
               int          ir,
               float        amplitude,
               bool         target_prefiltering = false);
 
} // namespace hmap::gpu