TEST(GetExtentsAlongAxis, Box)
{
Box box(Vector3(1,2,3));
float a, b;
box.GetExtentsAlongAxis(Vector4(1,0,0,0), a, b);
FLOATS_EQUAL(-1, a);
FLOATS_EQUAL(1, b);
box.SetOrientation(Quaternion(M_PI_2, Vector3(0,0,1)));
box.GetExtentsAlongAxis(Vector4(1,0,0,0), a, b);
FLOATS_EQUAL(-2, a);
FLOATS_EQUAL(2, b);
box.SetOrientation(Quaternion::IDENTITY);
box.GetExtentsAlongAxis(Vector4(1,0,0,3), a, b);
FLOATS_EQUAL(2, a);
FLOATS_EQUAL(4, b);
box.GetExtentsAlongAxis(Vector4(sqrtf(0.5f),sqrtf(0.5f),0,0), a, b);
FLOATS_EQUAL(-3*sqrtf(0.5f), a);
FLOATS_EQUAL(3*sqrtf(0.5f), b);
}
static gboolean
test_change_processor_rect_do_test (GeglProcessor *processor,
const GeglRectangle *rect,
GeglNode *sink)
{
gint i = 0;
gboolean result = TRUE;
float expected_result_buffer[4] = { 1.0, 1.0, 1.0, 1.0 };
float result_buffer[4] = { 0, };
GeglBuffer *buffer = NULL;
gegl_node_set (sink,
"buffer", &buffer,
NULL);
gegl_processor_set_rectangle (processor, rect);
while (gegl_processor_work (processor, NULL));
gegl_buffer_get (buffer,
rect,
1.0,
babl_format ("RGBA float"),
result_buffer,
GEGL_AUTO_ROWSTRIDE,
GEGL_ABYSS_NONE);
/* Compare with a small epsilon to account for accumulated error */
for(i = 0; i < G_N_ELEMENTS (expected_result_buffer); i++)
result = result && FLOATS_EQUAL (expected_result_buffer[i], result_buffer[i]);
gegl_node_set (sink,
"buffer", NULL,
NULL);
g_object_unref (buffer);
return result;
}
