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[test] Add WINDING variants to in-fill test

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Check cairo_in_fill() with some WINDING tests as well as the current
EVEN_ODD.
This commit is contained in:
Chris Wilson 2008-11-06 00:04:11 +00:00
parent 476d5daa9b
commit 0ac9846159
1 changed files with 56 additions and 0 deletions
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56
test/in-fill-trapezoid.c
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@ -68,6 +68,62 @@ draw (cairo_t *cr, int width, int height)
ret = CAIRO_TEST_FAILURE;
}
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
/* simple rectangle */
cairo_new_path (cr);
cairo_rectangle (cr, -10, -10, 20, 20);
if (! cairo_in_fill (cr, 0, 0)) {
cairo_test_log (ctx, "Error: Failed to find point inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
/* simple circle */
cairo_new_path (cr);
cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
if (! cairo_in_fill (cr, 0, 0)) {
cairo_test_log (ctx, "Error: Failed to find point inside circle\n");
ret = CAIRO_TEST_FAILURE;
}
/* overlapping circle/rectangle */
cairo_new_path (cr);
cairo_rectangle (cr, -10, -10, 20, 20);
cairo_new_sub_path (cr);
cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
if (! cairo_in_fill (cr, 0, 0)) {
cairo_test_log (ctx, "Error: Failed to find point inside circle+rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
/* holey rectangle */
cairo_new_path (cr);
cairo_rectangle (cr, -10, -10, 20, 20);
cairo_rectangle (cr, 5, -5, -10, 10);
if (cairo_in_fill (cr, 0, 0)) {
cairo_test_log (ctx, "Error: Found an unexpected point inside rectangular hole\n");
ret = CAIRO_TEST_FAILURE;
}
/* holey circle */
cairo_new_path (cr);
cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
cairo_arc_negative (cr, 0, 0, 5, 0, -2 * M_PI);
if (cairo_in_fill (cr, 0, 0)) {
cairo_test_log (ctx, "Error: Found an unexpected point inside circular hole\n");
ret = CAIRO_TEST_FAILURE;
}
/* not a holey circle */
cairo_new_path (cr);
cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);
cairo_arc (cr, 0, 0, 5, 0, 2 * M_PI);
if (! cairo_in_fill (cr, 0, 0)) {
cairo_test_log (ctx, "Error: Failed to find point inside two circles\n");
ret = CAIRO_TEST_FAILURE;
}
return ret;
}