void Vertices::f_getExtent (
float& l, float& b, float& cx, float& cy, float& tol, Graphic* gs
) {
float bx0, by0, bx1, by1, tcx, tcy, dummy1, dummy2;
if (extentCached()) {
getCachedExtent(bx0, by0, tcx, tcy, tol);
bx1 = 2*tcx - bx0;
by1 = 2*tcy - by0;
} else {
bx0 = bx1 = x()[0]; by0 = by1 = y()[0];
for (int i = 1; i < count(); ++i) {
bx0 = min(bx0, float(x()[i]));
by0 = min(by0, float(y()[i]));
bx1 = max(bx1, float(x()[i]));
by1 = max(by1, float(y()[i]));
}
tcx = (bx0 + bx1) / 2;
tcy = (by0 + by1) / 2;
tol = 0;
cacheExtent(bx0, by0, tcx, tcy, tol);
}
transformRect(bx0, by0, bx1, by1, l, b, dummy1, dummy2, gs);
transform(tcx, tcy, cx, cy, gs);
}
void BSplineSelection::getExtent (float& l, float& b, float& cx, float& cy,
float& tol, Graphic* gs) {
Extent e;
if (extentCached()) {
getCachedExtent(e.left, e.bottom, e.cx, e.cy, e.tol);
} else {
FullGraphic gstmp;
concatGSGraphic(ifillbspline, this, gs, &gstmp);
getExtentGraphic(
ifillbspline, e.left, e.bottom, e.cx, e.cy, e.tol, &gstmp
);
Extent te;
concatGSGraphic(bspline, this, gs, &gstmp);
getExtentGraphic(
bspline, te.left, te.bottom, te.cx, te.cy, te.tol, &gstmp
);
e.Merge(te);
cacheExtent(e.left, e.bottom, e.cx, e.cy, e.tol);
}
float right = 2*e.cx - e.left;
float top = 2*e.cy - e.bottom;
float dummy = 0;
transformRect(e.left, e.bottom, right, top, l, b, dummy, dummy, gs);
transform(e.cx, e.cy, cx, cy, gs);
tol = MergeArrowHeadTol(e.tol, gs);
}
void Vertices::s_getExtent (
float& l, float& b, float& cx, float& cy, float& tol, Graphic* gs
) {
float bx0, by0, bx1, by1, tcx, tcy, width, dummy1, dummy2;
if (extentCached()) {
getCachedExtent(bx0, by0, tcx, tcy, tol);
bx1 = 2*tcx - bx0;
by1 = 2*tcy - by0;
} else {
width = float(gs->GetBrush()->Width());
tol = (width > 1) ? width/2 : 0;
bx0 = bx1 = x() ? x()[0] : 0.0;
by0 = by1 = y() ? y()[0] : 0.0;
for (int i = 1; i < count(); ++i) {
bx0 = min(bx0, float(x()[i]));
by0 = min(by0, float(y()[i]));
bx1 = max(bx1, float(x()[i]));
by1 = max(by1, float(y()[i]));
}
tcx = (bx0 + bx1) / 2;
tcy = (by0 + by1) / 2;
cacheExtent(bx0, by0, tcx, tcy, tol);
}
transformRect(bx0, by0, bx1, by1, l, b, dummy1, dummy2, gs);
transform(tcx, tcy, cx, cy, gs);
}
void Picture::getExtent (
float& l, float& b, float& cx, float& cy, float& tol, Graphic* gs
) {
Extent e;
float right, top, dummy1, dummy2;
if (extentCached()) {
getCachedExtent(e._left, e._bottom, e._cx, e._cy, e._tol);
} else {
if (IsEmpty()) {
l = b = cx = cy = tol = 0.0;
return;
} else {
Iterator i;
FullGraphic gstemp;
Transformer ttemp;
Extent te;
gstemp.SetTransformer(&ttemp);
First(i);
Graphic* gr = GetGraphic(i);
concatGSGraphic(gr, gr, gs, &gstemp);
concatTransformerGraphic(gr, nil, gr->GetTransformer(), &ttemp);
getExtentGraphic(gr, e._left,e._bottom,e._cx,e._cy,e._tol,&gstemp);
for (Next(i); !Done(i); Next(i)) {
gr = GetGraphic(i);
concatGSGraphic(gr, gr, gs, &gstemp);
concatTransformerGraphic(gr,nil, gr->GetTransformer(), &ttemp);
getExtentGraphic(
gr, te._left, te._bottom, te._cx, te._cy, te._tol, &gstemp
);
e.Merge(te);
}
cacheExtent(e._left, e._bottom, e._cx, e._cy, e._tol);
gstemp.SetTransformer(nil); // to avoid deleting ttemp explicitly
}
}
right = 2*e._cx - e._left;
top = 2*e._cy - e._bottom;
transformRect(e._left, e._bottom, right, top, l, b, dummy1, dummy2, gs);
transform(e._cx, e._cy, cx, cy, gs);
tol = e._tol;
}
