diff options
Diffstat (limited to 'svg-flatten/src/nopencv_test.cpp')
| -rw-r--r-- | svg-flatten/src/nopencv_test.cpp | 79 |
1 files changed, 61 insertions, 18 deletions
diff --git a/svg-flatten/src/nopencv_test.cpp b/svg-flatten/src/nopencv_test.cpp index cc1c988..21710b9 100644 --- a/svg-flatten/src/nopencv_test.cpp +++ b/svg-flatten/src/nopencv_test.cpp @@ -18,6 +18,17 @@ using namespace gerbolyze::nopencv; char msg[1024]; +class TempfileHack { +public: + TempfileHack(const string ext) : m_path { filesystem::temp_directory_path() / (std::tmpnam(nullptr) + ext) } {} + ~TempfileHack() { remove(m_path); } + + const char *c_str() { return m_path.c_str(); } + +private: + filesystem::path m_path; +}; + MU_TEST(test_complex_example_from_paper) { int32_t img_data[6*9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -116,38 +127,39 @@ MU_TEST(test_complex_example_from_paper) { } } -MU_TEST(test_round_trip) { +static void testdata_roundtrip(const char *fn) { int x, y; - uint8_t *data = stbi_load("testdata/paper-example.png", &x, &y, nullptr, 1); + uint8_t *data = stbi_load(fn, &x, &y, nullptr, 1); Image32 ref_img(x, y); for (int cy=0; cy<y; cy++) { for (int cx=0; cx<x; cx++) { - ref_img.at(cx, cy) = data[cy*x + cx]; + ref_img.at(cx, cy) = data[cy*x + cx] / 255; } } stbi_image_free(data); Image32 ref_img_copy(ref_img); - filesystem::path tmp_svg = { filesystem::temp_directory_path() /= (std::tmpnam(nullptr) + string(".svg")) }; - filesystem::path tmp_png = { filesystem::temp_directory_path() /= (std::tmpnam(nullptr) + string(".png")) }; + TempfileHack tmp_svg(".svg"); + TempfileHack tmp_png(".png"); + ofstream svg(tmp_svg.c_str()); svg << "<svg width=\"" << x << "px\" height=\"" << y << "px\" viewBox=\"0 0 " << x << " " << y << "\" " << "xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">" << endl; - svg << "<rect width=\"100%\" height=\"100%\" fill=\"black\">" << endl; + svg << "<rect width=\"100%\" height=\"100%\" fill=\"black\"/>" << endl; gerbolyze::nopencv::find_blobs(ref_img, [&svg](Polygon poly, ContourPolarity pol) { mu_assert(poly.size() > 0, "Empty contour returned"); mu_assert(poly.size() > 2, "Contour has less than three points, no area"); mu_assert(pol == CP_CONTOUR || pol == CP_HOLE, "Contour has invalid polarity"); - svg << "<path fill=\"" << (pol == CP_HOLE ? "black" : "white") << "\" d=\""; + svg << "<path fill=\"" << ((pol == CP_HOLE) ? "black" : "white") << "\" d=\""; svg << "M " << poly[0][0] << " " << poly[0][1]; for (size_t i=1; i<poly.size(); i++) { svg << " L " << poly[i][0] << " " << poly[i][1]; } - svg << " Z\">" << endl; + svg << " Z\"/>" << endl; }); svg << "</svg>" << endl; svg.close(); @@ -155,27 +167,27 @@ MU_TEST(test_round_trip) { const char *command_line[] = {"resvg", tmp_svg.c_str(), tmp_png.c_str()}; struct subprocess_s subprocess; int rc = subprocess_create(command_line, subprocess_option_inherit_environment, &subprocess); - mu_assert_int_eq(rc, 0); + mu_assert_int_eq(0, rc); int resvg_rc = -1; rc = subprocess_join(&subprocess, &resvg_rc); - mu_assert_int_eq(rc, 0); - mu_assert_int_eq(resvg_rc, 0); + mu_assert_int_eq(0, rc); + mu_assert_int_eq(0, resvg_rc); rc = subprocess_destroy(&subprocess); - mu_assert_int_eq(rc, 0); + mu_assert_int_eq(0, rc); int out_x, out_y; uint8_t *out_data = stbi_load(tmp_png.c_str(), &out_x, &out_y, nullptr, 1); - mu_assert_int_eq(out_x, x); - mu_assert_int_eq(out_y, y); + mu_assert_int_eq(x, out_x); + mu_assert_int_eq(y, out_y); for (int cy=0; cy<y; cy++) { for (int cx=0; cx<x; cx++) { int actual = out_data[cy*x + cx]; - int expected = ref_img_copy.at(x, y); + int expected = ref_img_copy.at(cx, cy)*255; if (actual != expected) { - snprintf(msg, sizeof(msg), "Result does not match input @(%d, %d): %d != %d\n", cx, cy, actual, expected); + snprintf(msg, sizeof(msg), "%s: Result does not match input @(%d, %d): %d != %d\n", fn, cx, cy, actual, expected); mu_fail(msg); } } @@ -183,10 +195,41 @@ MU_TEST(test_round_trip) { stbi_image_free(out_data); } +MU_TEST(test_round_trip_blank) { testdata_roundtrip("testdata/blank.png"); } +MU_TEST(test_round_trip_white) { testdata_roundtrip("testdata/white.png"); } +MU_TEST(test_round_trip_blob_border_w) { testdata_roundtrip("testdata/blob-border-w.png"); } +MU_TEST(test_round_trip_blobs_borders) { testdata_roundtrip("testdata/blobs-borders.png"); } +MU_TEST(test_round_trip_blobs_corners) { testdata_roundtrip("testdata/blobs-corners.png"); } +MU_TEST(test_round_trip_blobs_crossing) { testdata_roundtrip("testdata/blobs-crossing.png"); } +MU_TEST(test_round_trip_cross) { testdata_roundtrip("testdata/cross.png"); } +MU_TEST(test_round_trip_letter_e) { testdata_roundtrip("testdata/letter-e.png"); } +MU_TEST(test_round_trip_paper_example) { testdata_roundtrip("testdata/paper-example.png"); } +MU_TEST(test_round_trip_paper_example_inv) { testdata_roundtrip("testdata/paper-example-inv.png"); } +MU_TEST(test_round_trip_single_px) { testdata_roundtrip("testdata/single-px.png"); } +MU_TEST(test_round_trip_single_px_inv) { testdata_roundtrip("testdata/single-px-inv.png"); } +MU_TEST(test_round_trip_two_blobs) { testdata_roundtrip("testdata/two-blobs.png"); } +MU_TEST(test_round_trip_two_px) { testdata_roundtrip("testdata/two-px.png"); } +MU_TEST(test_round_trip_two_px_inv) { testdata_roundtrip("testdata/two-px-inv.png"); } + + MU_TEST_SUITE(nopencv_contours_suite) { MU_RUN_TEST(test_complex_example_from_paper); -// MU_RUN_TEST(test_round_trip); -} + MU_RUN_TEST(test_round_trip_blank); + MU_RUN_TEST(test_round_trip_white); + MU_RUN_TEST(test_round_trip_blob_border_w); + MU_RUN_TEST(test_round_trip_blobs_borders); + MU_RUN_TEST(test_round_trip_blobs_corners); + MU_RUN_TEST(test_round_trip_blobs_crossing); + MU_RUN_TEST(test_round_trip_cross); + MU_RUN_TEST(test_round_trip_letter_e); + MU_RUN_TEST(test_round_trip_paper_example); + MU_RUN_TEST(test_round_trip_paper_example_inv); + MU_RUN_TEST(test_round_trip_single_px); + MU_RUN_TEST(test_round_trip_single_px_inv); + MU_RUN_TEST(test_round_trip_two_blobs); + MU_RUN_TEST(test_round_trip_two_px); + MU_RUN_TEST(test_round_trip_two_px_inv); +}; int main(int argc, char **argv) { (void)argc; |