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