void PageBoundary::ToggleOrientation () {
int nw = pageheight;
int nh = pagewidth;
pagewidth = nw;
pageheight = nh;
uncacheParents();
}
void PageBoundary::SetLandscape () {
int nw = max(pagewidth, pageheight);
int nh = min(pagewidth, pageheight);
pagewidth = nw;
pageheight = nh;
uncacheParents();
}
void Picture::InsertAfter (Iterator i, Graphic* g) {
invalidateCachesGraphic(g);
Elem(i)->Prepend(new UList(g));
setParent(g, this);
uncacheExtent();
uncacheParents();
}
void Graphic::Translate (float dx, float dy) {
if (dx != 0 || dy != 0) {
if (_t == nil) {
_t = new Transformer;
}
_t->Translate(dx, dy);
uncacheParents();
}
}
void Graphic::SetTransformer (Transformer* t) {
if (t != _t) {
Unref(_t);
if (t != nil) {
Ref(t);
}
_t = t;
uncacheParents();
}
}
void Picture::Remove (Iterator& i) {
UList* doomed = Elem(i);
Graphic* g = graphic(doomed);
Next(i);
unsetParent(g);
_kids->Remove(doomed);
delete doomed;
uncacheExtent();
uncacheParents();
}
void Graphic::Scale (float sx, float sy, float cx, float cy) {
float ncx, ncy;
if (sx != 1 || sy != 1) {
if (_t == nil) {
_t = new Transformer;
}
Transformer parents;
parentXform(parents);
parents.InvTransform(cx, cy, ncx, ncy);
if (ncx != 0 || ncy != 0) {
_t->Translate(-ncx, -ncy);
_t->Scale(sx, sy);
_t->Translate(ncx, ncy);
} else {
_t->Scale(sx, sy);
}
uncacheParents();
}
}
void Graphic::Rotate (float angle, float cx, float cy) {
float mag = (angle < 0) ? -angle : angle;
float ncx, ncy;
if ((mag - int(mag)) != 0 || int(mag)%360 != 0) {
if (_t == nil) {
_t = new Transformer;
}
Transformer parents;
parentXform(parents);
parents.InvTransform(cx, cy, ncx, ncy);
if (ncx != 0 || ncy != 0) {
_t->Translate(-ncx, -ncy);
_t->Rotate(angle);
_t->Translate(ncx, ncy);
} else {
_t->Rotate(angle);
}
uncacheParents();
}
}
void Picture::Prepend (Graphic* g0, Graphic* g1, Graphic* g2, Graphic* g3) {
if (g3 != nil) {
invalidateCachesGraphic(g3);
_kids->Prepend(new UList(g3));
setParent(g3, this);
}
if (g2 != nil) {
invalidateCachesGraphic(g2);
_kids->Prepend(new UList(g2));
setParent(g2, this);
}
if (g1 != nil) {
invalidateCachesGraphic(g1);
_kids->Prepend(new UList(g1));
setParent(g1, this);
}
invalidateCachesGraphic(g0);
_kids->Prepend(new UList(g0));
setParent(g0, this);
uncacheExtent();
uncacheParents();
}
void Graphic::invalidateCaches() {
uncacheParents();
uncacheExtent();
uncacheChildren();
}
void Picture::Remove (Graphic* g) {
unsetParent(g);
_kids->Delete(g);
uncacheExtent();
uncacheParents();
}