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#include <CSFML/Graphics/Transform.h>
#include <catch2/catch_test_macros.hpp>
#include <array>
TEST_CASE("[Graphics] sfTransform")
{
SECTION("Construction")
{
constexpr sfTransform transform{};
STATIC_CHECK(std::size(transform.matrix) == 9);
for (const auto element : transform.matrix)
CHECK(element == 0);
}
SECTION("sfTransform_Identity")
{
CHECK(sfTransform_Identity.matrix[0] == 1);
CHECK(sfTransform_Identity.matrix[1] == 0);
CHECK(sfTransform_Identity.matrix[2] == 0);
CHECK(sfTransform_Identity.matrix[3] == 0);
CHECK(sfTransform_Identity.matrix[4] == 1);
CHECK(sfTransform_Identity.matrix[5] == 0);
CHECK(sfTransform_Identity.matrix[6] == 0);
CHECK(sfTransform_Identity.matrix[7] == 0);
CHECK(sfTransform_Identity.matrix[8] == 1);
}
SECTION("sfTransform_fromMatrix")
{
const auto transform = sfTransform_fromMatrix(1, 2, 3, 4, 5, 6, 7, 8, 9);
CHECK(transform.matrix[0] == 1);
CHECK(transform.matrix[1] == 2);
CHECK(transform.matrix[2] == 3);
CHECK(transform.matrix[3] == 4);
CHECK(transform.matrix[4] == 5);
CHECK(transform.matrix[5] == 6);
CHECK(transform.matrix[6] == 7);
CHECK(transform.matrix[7] == 8);
CHECK(transform.matrix[8] == 9);
}
SECTION("sfTransform_getMatrix")
{
const auto transform = sfTransform_fromMatrix(1, 2, 3, 4, 5, 6, 7, 8, 9);
std::array<float, 16> matrix{};
matrix.fill(std::numeric_limits<float>::signaling_NaN());
sfTransform_getMatrix(&transform, matrix.data());
CHECK(matrix[0] == 1);
CHECK(matrix[1] == 4);
CHECK(matrix[2] == 0);
CHECK(matrix[3] == 7);
CHECK(matrix[4] == 2);
CHECK(matrix[5] == 5);
CHECK(matrix[6] == 0);
CHECK(matrix[7] == 8);
CHECK(matrix[8] == 0);
CHECK(matrix[9] == 0);
CHECK(matrix[10] == 1);
CHECK(matrix[11] == 0);
CHECK(matrix[12] == 3);
CHECK(matrix[13] == 6);
CHECK(matrix[14] == 0);
CHECK(matrix[15] == 9);
}
SECTION("sfTransform_getInverse")
{
SECTION("Identity")
{
const auto inverse = sfTransform_getInverse(&sfTransform_Identity);
for (std::size_t i = 0; i < std::size(inverse.matrix); ++i)
CHECK(inverse.matrix[0] == sfTransform_Identity.matrix[0]);
}
SECTION("Non-identity")
{
const auto transform = sfTransform_fromMatrix(1, 2, 3, 4, 5, 4, 3, 2, 1);
const auto inverse = sfTransform_getInverse(&transform);
CHECK(inverse.matrix[0] == 0.375f);
CHECK(inverse.matrix[1] == -0.5f);
CHECK(inverse.matrix[2] == 0.875f);
CHECK(inverse.matrix[3] == -1);
CHECK(inverse.matrix[4] == 1);
CHECK(inverse.matrix[5] == -1);
CHECK(inverse.matrix[6] == 0.875f);
CHECK(inverse.matrix[7] == -0.5f);
CHECK(inverse.matrix[8] == 0.375f);
}
}
SECTION("sfTransform_transformPoint")
{
}
SECTION("sfTransform_transformRect")
{
}
SECTION("sfTransform_combine")
{
}
SECTION("sfTransform_translate")
{
}
SECTION("sfTransform_rotate")
{
}
SECTION("sfTransform_rotateWithCenter")
{
}
SECTION("sfTransform_scale")
{
}
SECTION("sfTransform_scaleWithCenter")
{
}
SECTION("sfTransform_equal")
{
}
}
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