diff options
Diffstat (limited to 'tests/gtests/blenlib/BLI_polyfill2d_test.cc')
| -rw-r--r-- | tests/gtests/blenlib/BLI_polyfill2d_test.cc | 77 |
1 files changed, 75 insertions, 2 deletions
diff --git a/tests/gtests/blenlib/BLI_polyfill2d_test.cc b/tests/gtests/blenlib/BLI_polyfill2d_test.cc index 5d112751fa0..df98ead4cb9 100644 --- a/tests/gtests/blenlib/BLI_polyfill2d_test.cc +++ b/tests/gtests/blenlib/BLI_polyfill2d_test.cc @@ -27,6 +27,8 @@ extern "C" { #endif } +#include "stubs/bf_intern_eigen_stubs.h" + static void polyfill_to_obj( const char *id, const float poly[][2], const unsigned int poly_tot, @@ -208,6 +210,26 @@ static void test_polyfill_template( #endif } +static void test_polyfill_template_flip_sign( + const char *id, bool is_degenerate, + const float poly[][2], const unsigned int poly_tot, + unsigned int tris[][3], const unsigned int tris_tot) +{ + float (*poly_copy)[2] = (float (*)[2])MEM_mallocN(sizeof(float[2]) * poly_tot, id); + for (int flip_x = 0; flip_x < 2; flip_x++) { + for (int flip_y = 0; flip_y < 2; flip_y++) { + float sign_x = flip_x ? -1.0f : 1.0f; + float sign_y = flip_y ? -1.0f : 1.0f; + for (int i = 0; i < poly_tot; i++) { + poly_copy[i][0] = poly[i][0] * sign_x; + poly_copy[i][1] = poly[i][1] * sign_y; + } + test_polyfill_template(id, is_degenerate, poly_copy, poly_tot, tris, tris_tot); + } + } + MEM_freeN(poly_copy); +} + #ifdef USE_COMBINATIONS_ALL static void test_polyfill_template_main( const char *id, bool is_degenerate, @@ -230,7 +252,7 @@ static void test_polyfill_template_main( for (poly_cycle = 0; poly_cycle < poly_tot; poly_cycle++) { // printf("polytest %s ofs=%d, reverse=%d\n", id, poly_cycle, poly_reverse); - test_polyfill_template(id, is_degenerate, poly, poly_tot, tris, tris_tot); + test_polyfill_template_flip_sign(id, is_degenerate, poly, poly_tot, tris, tris_tot); /* cycle */ copy_v2_v2(tmp, poly_copy[0]); @@ -247,7 +269,7 @@ static void test_polyfill_template_main( const float poly[][2], const unsigned int poly_tot, unsigned int tris[][3], const unsigned int tris_tot) { - test_polyfill_template(id, is_degenerate, poly, poly_tot, tris, tris_tot); + test_polyfill_template_flip_sign(id, is_degenerate, poly, poly_tot, tris, tris_tot); } #endif /* USE_COMBINATIONS_ALL */ @@ -307,6 +329,43 @@ static void polyfill_to_obj( /* -------------------------------------------------------------------- */ /* tests */ +/** + * Script to generate the data below: + * + * \code{.py} + * # This example assumes we have a mesh object in edit-mode + * + * import bpy + * import bmesh + * + * obj = bpy.context.edit_object + * me = obj.data + * bm = bmesh.from_edit_mesh(me) + * + * def clean_float(num): + * if int(num) == num: + * return str(int(num)) + * prec = 1 + * while True: + * text = f"{num:.{prec}f}" + * if float(text) == num: + * return text + * prec += 1 + * + * for f in bm.faces: + * if f.select: + * print(f"\t// data for face: {f.index}") + * print("\tconst float poly[][2] = {", end="") + * coords = [[clean_float(num) for num in l.vert.co[0:2]] for l in f.loops] + * print("\t ", end="") + * for i, (x, y) in enumerate(coords): + * if (i % 2) == 0: + * print("\n\t ", end="") + * print(f"{{{x}, {y}}}", end=",") + * print("\n\t};") + * \endcode + */ + #define POLY_TRI_COUNT(len) ((len) - 2) @@ -517,3 +576,17 @@ TEST(polyfill2d, IssueT41986_axis_align) TEST_POLYFILL_TEMPLATE_STATIC(poly, false); } + +/* Blender bug T52834 */ +TEST(polyfill2d, IssueT52834_axis_align_co_linear) +{ + const float poly[][2] = { + {40, 0}, {36, 0}, {36, 5}, {35, 5}, {35, 0}, {30, 0}, {30, 5}, {29, 5}, {29, 0}, {24, 0}, {24, 3}, + {23, 4}, {23, 0}, {18, 0}, {18, 5}, {17, 5}, {17, 0}, {12, 0}, {12, 5}, {11, 5}, {11, 0}, {6, 0}, + {6, 5}, {5, 5}, {5, 0}, {0, 0}, {0, 5}, {-1, 5}, {-1, 0}, {-6, 0}, {-9, -3}, {-6, -3}, {-6, -2}, + {-1, -2}, {0, -2}, {5, -2}, {6, -2}, {11, -2}, {12, -2}, {17, -2}, {18, -2}, {23, -2}, {24, -2}, + {29, -2}, {30, -2}, {35, -2}, {36, -2}, {40, -2}, + }; + + TEST_POLYFILL_TEMPLATE_STATIC(poly, false); +} |