1//
2// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net>
3//
4// Distributed under the Boost Software License, Version 1.0
5// See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt
7//
8#ifndef BOOST_GIL_TEST_CORE_IMAGE_TEST_FIXTURE_HPP
9#define BOOST_GIL_TEST_CORE_IMAGE_TEST_FIXTURE_HPP
10
11#include <boost/gil.hpp>
12
13#include <cstdint>
14#include <initializer_list>
15#include <limits>
16#include <random>
17#include <tuple>
18#include <type_traits>
19
20namespace boost { namespace gil { namespace test { namespace fixture {
21
22using image_types = std::tuple
23<
24 gil::gray8_image_t,
25 gil::gray16_image_t,
26 gil::gray32_image_t,
27 gil::bgr8_image_t,
28 gil::bgr16_image_t,
29 gil::bgr32_image_t,
30 gil::rgb8_image_t,
31 gil::rgb16_image_t,
32 gil::rgb32_image_t,
33 gil::rgba8_image_t,
34 gil::rgba16_image_t,
35 gil::rgba32_image_t
36>;
37
38#if defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
39 using pmr_image_types = std::tuple<>;
40#else
41 using pmr_image_types = std::tuple
42 <
43 gil::pmr::gray8_image_t,
44 gil::pmr::gray16_image_t,
45 gil::pmr::gray32_image_t,
46 gil::pmr::bgr8_image_t,
47 gil::pmr::bgr16_image_t,
48 gil::pmr::bgr32_image_t,
49 gil::pmr::rgb8_image_t,
50 gil::pmr::rgb16_image_t,
51 gil::pmr::rgb32_image_t,
52 gil::pmr::rgba8_image_t,
53 gil::pmr::rgba16_image_t,
54 gil::pmr::rgba32_image_t
55 >;
56#endif //defined(BOOST_NO_CXX17_HDR_MEMORY_RESOURCE)
57
58using rgb_interleaved_image_types = std::tuple
59<
60 gil::bgr8_image_t,
61 gil::bgr16_image_t,
62 gil::bgr32_image_t,
63 gil::rgb8_image_t,
64 gil::rgb16_image_t,
65 gil::rgb32_image_t,
66 gil::rgba8_image_t,
67 gil::rgba16_image_t,
68 gil::rgba32_image_t
69>;
70
71using bit_aligned_image_types = std::tuple
72<
73 gil::bit_aligned_image1_type<1, gil::gray_layout_t>::type,
74 gil::bit_aligned_image1_type<3, gil::gray_layout_t>::type,
75 gil::bit_aligned_image1_type<8, gil::gray_layout_t>::type,
76 gil::bit_aligned_image3_type<2, 2, 2, gil::rgb_layout_t>::type,
77 gil::bit_aligned_image3_type<5, 6, 5, gil::rgb_layout_t>::type,
78 gil::bit_aligned_image3_type<6, 6, 6, gil::rgb_layout_t>::type
79>;
80
81template <typename Image, typename Generator>
82auto generate_image(std::ptrdiff_t size_x, std::ptrdiff_t size_y, Generator&& generate) -> Image
83{
84 using pixel_t = typename Image::value_type;
85
86 Image out(size_x, size_y);
87 gil::for_each_pixel(view(out), [&generate](pixel_t& p) {
88 gil::static_generate(p, [&generate]() { return generate(); });
89 });
90
91 return out;
92}
93
94template <typename Image>
95auto create_image(std::ptrdiff_t size_x, std::ptrdiff_t size_y, int channel_value) -> Image
96{
97 using pixel_t = typename Image::value_type;
98 using channel_t = typename gil::channel_type<pixel_t>::type;
99 static_assert(std::is_integral<channel_t>::value, "channel must be integral type");
100
101 Image out(size_x, size_y);
102 gil::for_each_pixel(view(out), [&channel_value](pixel_t& p) {
103 gil::static_fill(p, static_cast<channel_t>(channel_value));
104 });
105
106 return out;
107}
108
109}}}} // namespace boost::gil::test::fixture
110
111#endif
112

source code of boost/libs/gil/test/core/image/test_fixture.hpp