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Fr4nz D13trich 2025-11-22 13:58:55 +01:00
parent 4af19165ec
commit 68073add76
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libs/drape/drape_tests/stipple_pen_tests.cpp Normal file
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#include "testing/testing.hpp"
#include "drape/drape_tests/dummy_texture.hpp"
#include "drape/drape_tests/memory_comparer.hpp"
#include "drape/stipple_pen_resource.hpp"
#include "drape/texture.hpp"
#include "drape/tm_read_resources.hpp"
namespace stipple_pen_tests
{
using namespace dp;
namespace
{
void TestPacker(StipplePenPacker & packer, uint32_t width, m2::RectU const & expect)
{
TEST_EQUAL(packer.PackResource({width, 1}), expect, ());
}
bool IsRectsEqual(m2::RectF const & r1, m2::RectF const & r2)
{
return AlmostEqualULPs(r1.minX(), r2.minX()) && AlmostEqualULPs(r1.minY(), r2.minY()) &&
AlmostEqualULPs(r1.maxX(), r2.maxX()) && AlmostEqualULPs(r1.maxY(), r2.maxY());
}
} // namespace
UNIT_TEST(StippleTest_Pack)
{
StipplePenPacker packer(m2::PointU(512, 8));
TestPacker(packer, 30, m2::RectU(0, 0, 30, 1));
TestPacker(packer, 254, m2::RectU(0, 1, 254, 2));
TestPacker(packer, 1, m2::RectU(0, 2, 1, 3));
TestPacker(packer, 250, m2::RectU(0, 3, 250, 4));
TestPacker(packer, 249, m2::RectU(0, 4, 249, 5));
m2::RectF mapped = packer.MapTextureCoords(m2::RectU(0, 0, 256, 1));
TEST(IsRectsEqual(mapped, m2::RectF(0.5f / 512.0f, 0.5f / 8.0f, 255.5f / 512.0f, 0.5f / 8.0f)), ());
}
UNIT_TEST(StippleTest_EqualPatterns)
{
using PatternT = std::array<double, 2>;
std::vector<PatternT> patterns;
using namespace dp::impl;
ParsePatternsList("./data/patterns.txt", [&patterns](buffer_vector<double, 8> const & p)
{
if (p.size() == 2)
patterns.push_back({p[0], p[1]});
});
auto const IsEqualPatterns = [](PatternT const & p1, PatternT const & p2)
{
for (double scale : {1, 2, 3})
if ((PatternFloat2Pixel(scale * p1[0]) != PatternFloat2Pixel(scale * p2[0])) ||
(PatternFloat2Pixel(scale * p1[1]) != PatternFloat2Pixel(scale * p2[1])))
return false;
return true;
};
auto const IsAlmostEqualPatterns = [](PatternT const & p1, PatternT const & p2)
{
double const scale = 3;
return (fabs(scale * p1[0] - scale * p2[0]) + fabs(scale * p1[1] - scale * p2[1])) < 1;
};
size_t const count = patterns.size();
for (size_t i = 0; i < count - 1; ++i)
{
for (size_t j = i + 1; j < count; ++j)
if (IsEqualPatterns(patterns[i], patterns[j]))
LOG(LINFO, ("Equal:", patterns[i], patterns[j]));
else if (IsAlmostEqualPatterns(patterns[i], patterns[j]))
LOG(LINFO, ("Almost equal:", patterns[i], patterns[j]));
}
}
} // namespace stipple_pen_tests