void ScalarFiniteElement<D> ::
CalcDShape (const IntegrationPoint & ip,
FlatMatrixFixWidth<D> dshape) const
{
static bool firsttime = true;
if (firsttime)
{
cout << "WARNING: CalcDShape not overloaded for class, using numerical differentiation " << typeid(this).name() << ", ndof = " << ndof << endl;
firsttime = false;
}
int nd = GetNDof();
int sdim = D;
double eps = 2e-5;
ArrayMem<double, 100> hm1(nd), hm2(nd), hm3(nd), hm4(nd);
FlatVector<>
shape1(nd, &hm1[0]),
shape2(nd, &hm2[0]),
shape3(nd, &hm3[0]),
shape4(nd, &hm4[0]);
for (int i = 0; i < sdim; i++)
{
IntegrationPoint ip1 = ip;
IntegrationPoint ip2 = ip;
ip1(i) -= eps;
ip2(i) += eps;
CalcShape (ip1, shape1);
CalcShape (ip2, shape2);
ip1(i) -= eps;
ip2(i) += eps;
CalcShape (ip1, shape3);
CalcShape (ip2, shape4);
for (int j = 0; j < nd; j++)
dshape(j, i) =
2/(3*eps) * (shape2(j) - shape1(j))
-1/(12*eps) * (shape4(j) - shape3(j));
}
}
void TestShapePainting::testPaintOrder()
{
// the stacking order determines the painting order so things on top
// get their paint called last.
// Each shape has a zIndex and within the children a container has
// it determines the stacking order. Its important to realize that
// the zIndex is thus local to a container, if you have layer1 and layer2
// with both various child shapes the stacking order of the layer shapes
// is most important, then within this the child shape index is used.
class OrderedMockShape : public MockShape {
public:
OrderedMockShape(QList<MockShape*> &list) : order(list) {}
void paint(QPainter &painter, const KViewConverter &converter) {
order.append(this);
MockShape::paint(painter, converter);
}
QList<MockShape*> ℴ
};
QList<MockShape*> order;
MockContainer top;
top.setZIndex(2);
OrderedMockShape shape1(order);
shape1.setZIndex(5);
OrderedMockShape shape2(order);
shape2.setZIndex(0);
top.addShape(&shape1);
top.addShape(&shape2);
MockContainer bottom;
bottom.setZIndex(1);
OrderedMockShape shape3(order);
shape3.setZIndex(-1);
OrderedMockShape shape4(order);
shape4.setZIndex(9);
bottom.addShape(&shape3);
bottom.addShape(&shape4);
MockCanvas canvas;
KShapeManager manager(&canvas);
manager.addShape(&top);
manager.addShape(&bottom);
QCOMPARE(manager.shapes().count(), 6);
QImage image(100, 100, QImage::Format_Mono);
QPainter painter(&image);
KViewConverter vc;
manager.paint(painter, vc, false);
QCOMPARE(top.paintedCount, 1);
QCOMPARE(bottom.paintedCount, 1);
QCOMPARE(shape1.paintedCount, 1);
QCOMPARE(shape2.paintedCount, 1);
QCOMPARE(shape3.paintedCount, 1);
QCOMPARE(shape4.paintedCount, 1);
QCOMPARE(order.count(), 4);
QVERIFY(order[0] == &shape3); // lowest first
QVERIFY(order[1] == &shape4);
QVERIFY(order[2] == &shape2);
QVERIFY(order[3] == &shape1);
// again, with clipping.
order.clear();
painter.setClipRect(0, 0, 100, 100);
manager.paint(painter, vc, false);
QCOMPARE(top.paintedCount, 2);
QCOMPARE(bottom.paintedCount, 2);
QCOMPARE(shape1.paintedCount, 2);
QCOMPARE(shape2.paintedCount, 2);
QCOMPARE(shape3.paintedCount, 2);
QCOMPARE(shape4.paintedCount, 2);
QCOMPARE(order.count(), 4);
QVERIFY(order[0] == &shape3); // lowest first
QVERIFY(order[1] == &shape4);
QVERIFY(order[2] == &shape2);
QVERIFY(order[3] == &shape1);
order.clear();
MockContainer root;
root.setZIndex(0);
MockContainer branch1;
branch1.setZIndex(1);
OrderedMockShape child1_1(order);
child1_1.setZIndex(1);
OrderedMockShape child1_2(order);
child1_2.setZIndex(2);
branch1.addShape(&child1_1);
branch1.addShape(&child1_2);
MockContainer branch2;
branch2.setZIndex(2);
OrderedMockShape child2_1(order);
child2_1.setZIndex(1);
OrderedMockShape child2_2(order);
child2_2.setZIndex(2);
branch2.addShape(&child2_1);
branch2.addShape(&child2_2);
root.addShape(&branch1);
root.addShape(&branch2);
QList<KShape*> sortedShapes;
sortedShapes.append(&root);
sortedShapes.append(&branch1);
sortedShapes.append(&branch2);
sortedShapes.append(branch1.shapes());
sortedShapes.append(branch2.shapes());
qSort(sortedShapes.begin(), sortedShapes.end(), KShape::compareShapeZIndex);
QCOMPARE(sortedShapes.count(), 7);
QVERIFY(sortedShapes[0] == &root);
QVERIFY(sortedShapes[1] == &branch1);
QVERIFY(sortedShapes[2] == &child1_1);
QVERIFY(sortedShapes[3] == &child1_2);
QVERIFY(sortedShapes[4] == &branch2);
QVERIFY(sortedShapes[5] == &child2_1);
QVERIFY(sortedShapes[6] == &child2_2);
}