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SFML/test/Graphics/Texture.test.cpp

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