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#include "canvas/group.h"
#include "canvas/types.h"
#include "canvas/polygon.h"
#include "canvas/canvas.h"
#include "polygon.h"
using namespace std;
using namespace ArdourCanvas;
CPPUNIT_TEST_SUITE_REGISTRATION (PolygonTest);
void
PolygonTest::bounding_box ()
{
ImageCanvas canvas;
Group group (canvas.root ());
Polygon polygon (&group);
/* should have no initial bounding box */
CPPUNIT_ASSERT (!polygon.bounding_box().is_initialized());
Points points;
points.push_back (Duple (-6, -6));
points.push_back (Duple ( 6, -6));
points.push_back (Duple ( 6, 6));
points.push_back (Duple (-6, 6));
polygon.set (points);
/* should now have a bounding box around those points,
taking into account default line width
*/
boost::optional<Rect> bbox = polygon.bounding_box ();
CPPUNIT_ASSERT (bbox.is_initialized ());
CPPUNIT_ASSERT (bbox.get().x0 == -6.25);
CPPUNIT_ASSERT (bbox.get().x1 == 6.25);
CPPUNIT_ASSERT (bbox.get().y0 == -6.25);
CPPUNIT_ASSERT (bbox.get().y1 == 6.25);
/* and its parent group should have noticed and adjusted
its bounding box
*/
bbox = group.bounding_box ();
CPPUNIT_ASSERT (bbox.is_initialized ());
CPPUNIT_ASSERT (bbox.get().x0 == -6.25);
CPPUNIT_ASSERT (bbox.get().x1 == 6.25);
CPPUNIT_ASSERT (bbox.get().y0 == -6.25);
CPPUNIT_ASSERT (bbox.get().y1 == 6.25);
}
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