generic-library/opencv
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This commit is contained in:
Rohit Girdhar 2014-02-22 00:26:10 +05:30
parent 347a3dc520
commit fd4461d543
2 changed files with 16 additions and 16 deletions
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2
modules/core/src/matrix.cpp
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@ -5211,7 +5211,7 @@ RotatedRect::RotatedRect(const Point2f& _point1, const Point2f& _point2, const P
vecs[0] = Vec2f(_point1 - _point2);
vecs[1] = Vec2f(_point2 - _point3);
// check that given sides are perpendicular
CV_Assert( abs(vecs[0].dot(vecs[1])) <= FLT_EPSILON );
CV_Assert( abs(vecs[0].dot(vecs[1])) / (norm(vecs[0]) * norm(vecs[1])) <= FLT_EPSILON );
// wd_i stores which vector (0,1) or (1,2) will make the width
// One of them will definitely have slope within -1 to 1

30
modules/core/test/test_rotatedrect.cpp
View File

@ -52,7 +52,7 @@ protected:
int prepare_test_case( int );
void run_func();
int validate_test_results( int );
const static int MAX_COORD_VAL = 1000;
float MAX_COORD_VAL;
Point2f a, b, c;
RotatedRect rec;
};
@ -60,22 +60,24 @@ protected:
Core_RotatedRectConstructorTest::Core_RotatedRectConstructorTest()
{
test_case_count = 100;
MAX_COORD_VAL = 1000.0f;
}
int Core_RotatedRectConstructorTest::prepare_test_case( int test_case_idx )
{
cvtest::BaseTest::prepare_test_case( test_case_idx );
RNG& rng = ts->get_rng();
a = Point2f( (float) (cvtest::randInt(rng) % MAX_COORD_VAL), (float) (cvtest::randInt(rng) % MAX_COORD_VAL) );
b = Point2f( (float) (cvtest::randInt(rng) % MAX_COORD_VAL) , (float) (cvtest::randInt(rng) % MAX_COORD_VAL) );
// to ensure a != b
while( norm(a - b) == 0 ) {
b = Point2f( (float) (cvtest::randInt(rng) % MAX_COORD_VAL) , (float) (cvtest::randInt(rng) % MAX_COORD_VAL) );
a = Point2f( rng.uniform(-MAX_COORD_VAL, MAX_COORD_VAL), rng.uniform(-MAX_COORD_VAL, MAX_COORD_VAL) );
do
{
b = Point2f( rng.uniform(-MAX_COORD_VAL, MAX_COORD_VAL), rng.uniform(-MAX_COORD_VAL, MAX_COORD_VAL) );
}
while( norm(a - b) <= FLT_EPSILON );
Vec2f along(a - b);
Vec2f perp = Vec2f(-along[1], along[0]);
float d = (float) (cvtest::randInt(rng) % MAX_COORD_VAL) + 1.0f; // c can't be same as b, so d must be > 0
c = Point2f( b.x + d * perp[0], b.y + d * perp[1] );
double d = (double) rng.uniform(1.0f, 5.0f);
if( cvtest::randInt(rng) % 2 == 0 ) d = -d;
c = Point2f( (float) ((double) b.x + d * perp[0]), (float) ((double) b.y + d * perp[1]) );
return 1;
}
@ -86,22 +88,20 @@ void Core_RotatedRectConstructorTest::run_func()
int Core_RotatedRectConstructorTest::validate_test_results( int )
{
int code = cvtest::TS::OK;
Point2f vertices[4];
rec.points(vertices);
int count_match = 0;
for( int i = 0; i < 4; i++ )
{
if( norm(vertices[i] - a) <= 0.1 ) count_match++;
else if( norm(vertices[i] - b) <= 0.1 ) count_match++;
else if( norm(vertices[i] - c) <= 0.1 ) count_match++;
if( norm(vertices[i] - a) <= 0.001 ) count_match++;
else if( norm(vertices[i] - b) <= 0.001 ) count_match++;
else if( norm(vertices[i] - c) <= 0.001 ) count_match++;
}
if( count_match == 3 )
return code;
return cvtest::TS::OK;
ts->printf( cvtest::TS::LOG, "RotatedRect end points don't match those supplied in constructor");
ts->set_failed_test_info( cvtest::TS::FAIL_INVALID_OUTPUT );
return code;
return cvtest::TS::OK;
}
TEST(Core_RotatedRect, three_point_constructor) { Core_RotatedRectConstructorTest test; test.safe_run(); }