97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
//
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// Copyright 2019-2020 Mateusz Loskot <mateusz at loskot dot net>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#include <boost/gil.hpp>
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#include <boost/gil/extension/dynamic_image/dynamic_image_all.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include "test_fixture.hpp"
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#include "test_utility_output_stream.hpp"
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#include "core/image/test_fixture.hpp"
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namespace gil = boost::gil;
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namespace fixture = boost::gil::test::fixture;
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struct test_subimage_equals_image
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{
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template <typename Image>
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void operator()(Image const&)
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{
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using image_t = Image;
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fixture::dynamic_image i0(fixture::create_image<image_t>(4, 4, 128));
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auto const v0 = gil::const_view(i0);
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BOOST_TEST_EQ(v0.dimensions().x, 4);
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BOOST_TEST_EQ(v0.dimensions().y, 4);
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BOOST_TEST_EQ(v0.size(), 4 * 4);
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// request with 2 x point_t values
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{
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auto v1 = gil::subimage_view(gil::view(i0), {0, 0}, i0.dimensions());
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BOOST_TEST_EQ(v0.dimensions(), v1.dimensions());
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BOOST_TEST_EQ(v0.size(), v1.size());
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BOOST_TEST(gil::equal_pixels(v0, v1));
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}
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// request with 4 x dimension values
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{
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auto v1 = gil::subimage_view(gil::view(i0), 0, 0, i0.dimensions().x, i0.dimensions().y);
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BOOST_TEST_EQ(v0.dimensions(), v1.dimensions());
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BOOST_TEST_EQ(v0.size(), v1.size());
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BOOST_TEST(gil::equal_pixels(v0, v1));
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}
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}
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static void run()
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{
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boost::mp11::mp_for_each<fixture::image_types>(test_subimage_equals_image{});
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}
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};
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struct test_subimage_equals_image_quadrants
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{
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template <typename Image>
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void operator()(Image const&)
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{
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using image_t = Image;
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fixture::dynamic_image i0(fixture::create_image<image_t>(4, 4, 0));
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auto v0 = gil::view(i0);
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// create test image and set values of pixels in:
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// quadrant 1
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auto const i1 = fixture::create_image<image_t>(2, 2, 255);
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gil::apply_operation(v0, fixture::fill_any_view<image_t>({2, 3, 6, 7}, gil::const_view(i1)[0]));
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// quadrant 2
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auto const i2 = fixture::create_image<image_t>(2, 2, 128);
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gil::apply_operation(v0, fixture::fill_any_view<image_t>({0, 1, 4, 5}, gil::const_view(i2)[0]));
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// quadrant 3
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auto const i3 = fixture::create_image<image_t>(2, 2, 64);
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gil::apply_operation(v0, fixture::fill_any_view<image_t>({8, 9, 12, 13}, gil::const_view(i3)[0]));
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// quadrant 4
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auto const i4 = fixture::create_image<image_t>(2, 2, 32);
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gil::apply_operation(v0, fixture::fill_any_view<image_t>({10, 11, 14, 15}, gil::const_view(i4)[0]));
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auto v1 = gil::subimage_view(gil::view(i0), { 2, 0 }, i0.dimensions() / 2);
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BOOST_TEST(gil::equal_pixels(v1, gil::const_view(i1)));
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auto v2 = gil::subimage_view(gil::view(i0), { 0, 0 }, i0.dimensions() / 2);
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BOOST_TEST(gil::equal_pixels(v2, gil::const_view(i2)));
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auto v3 = gil::subimage_view(gil::view(i0), { 0, 2 }, i0.dimensions() / 2);
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BOOST_TEST(gil::equal_pixels(v3, gil::const_view(i3)));
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auto v4 = gil::subimage_view(gil::view(i0), { 2, 2 }, i0.dimensions() / 2);
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BOOST_TEST(gil::equal_pixels(v4, gil::const_view(i4)));
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}
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static void run()
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{
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boost::mp11::mp_for_each<fixture::image_types>(test_subimage_equals_image_quadrants{});
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}
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};
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int main()
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{
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test_subimage_equals_image::run();
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test_subimage_equals_image_quadrants::run();
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return ::boost::report_errors();
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}
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