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285 lines
10 KiB
C++
285 lines
10 KiB
C++
#include <SFML/Graphics/Texture.hpp>
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// Other 1st party headers
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#include <SFML/Graphics/Image.hpp>
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#include <SFML/System/FileInputStream.hpp>
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#include <catch2/catch_test_macros.hpp>
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#include <GraphicsUtil.hpp>
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#include <WindowUtil.hpp>
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#include <type_traits>
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TEST_CASE("[Graphics] sf::Texture", runDisplayTests())
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{
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SECTION("Type traits")
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{
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STATIC_CHECK(!std::is_default_constructible_v<sf::Texture>);
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STATIC_CHECK(std::is_copy_constructible_v<sf::Texture>);
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STATIC_CHECK(std::is_copy_assignable_v<sf::Texture>);
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STATIC_CHECK(std::is_nothrow_move_constructible_v<sf::Texture>);
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STATIC_CHECK(std::is_nothrow_move_assignable_v<sf::Texture>);
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STATIC_CHECK(std::is_nothrow_swappable_v<sf::Texture>);
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}
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SECTION("Move semantics")
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{
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SECTION("Construction")
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{
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sf::Texture movedTexture = sf::Texture::create({64, 64}).value();
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const sf::Texture texture = std::move(movedTexture);
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CHECK(texture.getSize() == sf::Vector2u(64, 64));
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CHECK(!texture.isSmooth());
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CHECK(!texture.isSrgb());
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CHECK(!texture.isRepeated());
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CHECK(texture.getNativeHandle() != 0);
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}
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SECTION("Assignment")
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{
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sf::Texture movedTexture = sf::Texture::create({64, 64}).value();
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sf::Texture texture = sf::Texture::create({128, 128}).value();
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texture = std::move(movedTexture);
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CHECK(texture.getSize() == sf::Vector2u(64, 64));
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CHECK(!texture.isSmooth());
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CHECK(!texture.isSrgb());
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CHECK(!texture.isRepeated());
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CHECK(texture.getNativeHandle() != 0);
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}
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}
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SECTION("create()")
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{
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SECTION("At least one zero dimension")
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{
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CHECK(!sf::Texture::create({}));
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CHECK(!sf::Texture::create({0, 1}));
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CHECK(!sf::Texture::create({1, 0}));
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}
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SECTION("Valid size")
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{
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const auto texture = sf::Texture::create({100, 100}).value();
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CHECK(texture.getSize() == sf::Vector2u(100, 100));
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CHECK(texture.getNativeHandle() != 0);
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}
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SECTION("Too large")
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{
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CHECK(!sf::Texture::create({100'000, 100'000}));
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CHECK(!sf::Texture::create({1'000'000, 1'000'000}));
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}
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}
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SECTION("loadFromFile()")
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{
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const auto texture = sf::Texture::loadFromFile("Graphics/sfml-logo-big.png").value();
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CHECK(texture.getSize() == sf::Vector2u(1001, 304));
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CHECK(!texture.isSmooth());
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CHECK(!texture.isSrgb());
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CHECK(!texture.isRepeated());
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CHECK(texture.getNativeHandle() != 0);
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}
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SECTION("loadFromMemory()")
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{
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const auto memory = loadIntoMemory("Graphics/sfml-logo-big.png");
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const auto texture = sf::Texture::loadFromMemory(memory.data(), memory.size()).value();
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CHECK(texture.getSize() == sf::Vector2u(1001, 304));
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CHECK(!texture.isSmooth());
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CHECK(!texture.isSrgb());
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CHECK(!texture.isRepeated());
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CHECK(texture.getNativeHandle() != 0);
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}
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SECTION("loadFromStream()")
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{
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auto stream = sf::FileInputStream::open("Graphics/sfml-logo-big.png").value();
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const auto texture = sf::Texture::loadFromStream(stream).value();
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CHECK(texture.getSize() == sf::Vector2u(1001, 304));
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CHECK(!texture.isSmooth());
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CHECK(!texture.isSrgb());
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CHECK(!texture.isRepeated());
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CHECK(texture.getNativeHandle() != 0);
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}
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SECTION("loadFromImage()")
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{
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SECTION("Subarea of image")
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{
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const sf::Image image(sf::Vector2u(10, 15));
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SECTION("Non-truncated area")
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{
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const auto texture = sf::Texture::loadFromImage(image, false, {{0, 0}, {5, 10}}).value();
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CHECK(texture.getSize() == sf::Vector2u(5, 10));
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CHECK(texture.getNativeHandle() != 0);
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}
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SECTION("Truncated area (negative position)")
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{
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const auto texture = sf::Texture::loadFromImage(image, false, {{-5, -5}, {4, 8}}).value();
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CHECK(texture.getSize() == sf::Vector2u(4, 8));
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CHECK(texture.getNativeHandle() != 0);
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}
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SECTION("Truncated area (width/height too big)")
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{
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const auto texture = sf::Texture::loadFromImage(image, false, {{5, 5}, {12, 18}}).value();
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CHECK(texture.getSize() == sf::Vector2u(5, 10));
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CHECK(texture.getNativeHandle() != 0);
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}
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}
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}
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SECTION("Copy semantics")
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{
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constexpr std::uint8_t red[] = {0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF};
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auto texture = sf::Texture::create({1, 2}).value();
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texture.update(red);
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SECTION("Construction")
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{
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const sf::Texture textureCopy(texture); // NOLINT(performance-unnecessary-copy-initialization)
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REQUIRE(textureCopy.getSize() == sf::Vector2u(1, 2));
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CHECK(textureCopy.copyToImage().getPixel(sf::Vector2u(0, 1)) == sf::Color::Red);
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}
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SECTION("Assignment")
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{
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sf::Texture textureCopy = sf::Texture::create({64, 64}).value();
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textureCopy = texture;
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REQUIRE(textureCopy.getSize() == sf::Vector2u(1, 2));
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CHECK(textureCopy.copyToImage().getPixel(sf::Vector2u(0, 1)) == sf::Color::Red);
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}
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}
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SECTION("update()")
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{
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constexpr std::uint8_t yellow[] = {0xFF, 0xFF, 0x00, 0xFF};
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constexpr std::uint8_t cyan[] = {0x00, 0xFF, 0xFF, 0xFF};
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SECTION("Pixels")
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{
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auto texture = sf::Texture::create(sf::Vector2u(1, 1)).value();
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texture.update(yellow);
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(0, 0)) == sf::Color::Yellow);
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}
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SECTION("Pixels, size and destination")
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{
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auto texture = sf::Texture::create(sf::Vector2u(2, 1)).value();
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texture.update(yellow, sf::Vector2u(1, 1), sf::Vector2u(0, 0));
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texture.update(cyan, sf::Vector2u(1, 1), sf::Vector2u(1, 0));
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(0, 0)) == sf::Color::Yellow);
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(1, 0)) == sf::Color::Cyan);
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}
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SECTION("Another texture")
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{
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auto otherTexture = sf::Texture::create(sf::Vector2u(1, 1)).value();
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otherTexture.update(cyan);
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auto texture = sf::Texture::create(sf::Vector2u(1, 1)).value();
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texture.update(otherTexture);
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(0, 0)) == sf::Color::Cyan);
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}
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SECTION("Another texture and destination")
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{
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auto texture = sf::Texture::create(sf::Vector2u(2, 1)).value();
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auto otherTexture1 = sf::Texture::create(sf::Vector2u(1, 1)).value();
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otherTexture1.update(cyan);
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auto otherTexture2 = sf::Texture::create(sf::Vector2u(1, 1)).value();
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otherTexture2.update(yellow);
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texture.update(otherTexture1, sf::Vector2u(0, 0));
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texture.update(otherTexture2, sf::Vector2u(1, 0));
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(0, 0)) == sf::Color::Cyan);
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(1, 0)) == sf::Color::Yellow);
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}
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SECTION("Image")
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{
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auto texture = sf::Texture::create(sf::Vector2u(16, 32)).value();
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const sf::Image image(sf::Vector2u(16, 32), sf::Color::Red);
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texture.update(image);
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(7, 15)) == sf::Color::Red);
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}
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SECTION("Image and destination")
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{
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auto texture = sf::Texture::create(sf::Vector2u(16, 32)).value();
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const sf::Image image1(sf::Vector2u(16, 16), sf::Color::Red);
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texture.update(image1);
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const sf::Image image2(sf::Vector2u(16, 16), sf::Color::Green);
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texture.update(image1, sf::Vector2u(0, 0));
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texture.update(image2, sf::Vector2u(0, 16));
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(7, 7)) == sf::Color::Red);
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CHECK(texture.copyToImage().getPixel(sf::Vector2u(7, 22)) == sf::Color::Green);
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}
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}
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SECTION("Set/get smooth")
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{
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sf::Texture texture = sf::Texture::create({64, 64}).value();
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CHECK(!texture.isSmooth());
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texture.setSmooth(true);
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CHECK(texture.isSmooth());
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texture.setSmooth(false);
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CHECK(!texture.isSmooth());
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}
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SECTION("Set/get repeated")
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{
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sf::Texture texture = sf::Texture::create({64, 64}).value();
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CHECK(!texture.isRepeated());
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texture.setRepeated(true);
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CHECK(texture.isRepeated());
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texture.setRepeated(false);
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CHECK(!texture.isRepeated());
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}
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SECTION("generateMipmap()")
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{
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sf::Texture texture = sf::Texture::create({100, 100}).value();
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CHECK(texture.generateMipmap());
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}
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SECTION("swap()")
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{
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constexpr std::uint8_t blue[] = {0x00, 0x00, 0xFF, 0xFF};
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constexpr std::uint8_t green[] = {0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF};
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auto texture1 = sf::Texture::create(sf::Vector2u(1, 1), true).value();
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texture1.update(blue);
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texture1.setSmooth(false);
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texture1.setRepeated(true);
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auto texture2 = sf::Texture::create(sf::Vector2u(2, 1), false).value();
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texture2.update(green);
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texture2.setSmooth(true);
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texture2.setRepeated(false);
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sf::swap(texture1, texture2);
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CHECK_FALSE(texture1.isSrgb());
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CHECK(texture1.isSmooth());
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CHECK_FALSE(texture1.isRepeated());
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// Cannot check texture2.isSrgb() because Srgb is sometimes disabled when using OpenGL ES
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CHECK_FALSE(texture2.isSmooth());
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CHECK(texture2.isRepeated());
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const sf::Image image1 = texture1.copyToImage();
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const sf::Image image2 = texture2.copyToImage();
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REQUIRE(image1.getSize() == sf::Vector2u(2, 1));
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REQUIRE(image2.getSize() == sf::Vector2u(1, 1));
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CHECK(image1.getPixel(sf::Vector2u(1, 0)) == sf::Color::Green);
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CHECK(image2.getPixel(sf::Vector2u(0, 0)) == sf::Color::Blue);
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}
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SECTION("Get Maximum Size")
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{
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CHECK(sf::Texture::getMaximumSize() > 0);
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}
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}
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