mirror of https://github.com/aseprite/aseprite.git
56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
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// Aseprite Document Library
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// Copyright (c) 2023 Igara Studio S.A.
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//
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// This file is released under the terms of the MIT license.
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// Read LICENSE.txt for more information.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "doc/algorithm/random_image.h"
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#include "doc/dispatch.h"
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#include "doc/image.h"
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#include "doc/image_impl.h"
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#include <random>
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namespace doc {
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namespace algorithm {
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template<typename ImageTraits>
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void random_image_templ(Image* image)
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{
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using pixel_t = typename ImageTraits::pixel_t;
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std::random_device rd;
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std::mt19937 gen(rd());
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std::uniform_int_distribution<color_t> dist(ImageTraits::min_value,
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ImageTraits::max_value);
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doc::transform_image<ImageTraits>(
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image,
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[&](pixel_t) -> pixel_t {
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color_t v = dist(gen);
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if constexpr (ImageTraits::color_mode == ColorMode::RGB) {
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v = rgba_seta(v, 255);
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}
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else if constexpr (ImageTraits::color_mode == ColorMode::GRAYSCALE) {
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v = graya_seta(v, 255);
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}
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return v;
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});
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}
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void random_image(Image* image)
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{
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DOC_DISPATCH_BY_COLOR_MODE(
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image->colorMode(),
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random_image_templ,
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image);
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}
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} // namespace algorithm
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} // namespace doc
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