void BoxImpl::full_allocate(AllocationInfo& info) {
Canvas* c = info.canvas();
GlyphIndex n = box_->count();
Allocation* a = info.component_allocations();
Requisition* r = new Requisition[n];
GlyphIndex i;
for (i = 0; i < n; i++) {
Glyph* g = box_->component(i);
if (g != nil) {
g->request(r[i]);
}
}
layout_->allocate(info.allocation(), n, r, a);
delete [] r;
Extension& box = info.extension();
Extension child;
for (i = 0; i < n; i++) {
Glyph* g = box_->component(i);
if (g != nil) {
child.clear();
g->allocate(c, a[i], child);
box.merge(child);
}
}
}
AllocationInfo& BoxImpl::info(Canvas* c, const Allocation& a, Extension& ext) {
if (allocations_ == nil) {
allocations_ = new AllocationTable(box_->count());
}
AllocationInfo* info = allocations_->find(c, a);
if (info == nil) {
Coord dx, dy;
info = allocations_->find_same_size(c, a, dx, dy);
if (info != nil) {
info->extension(ext);
offset_allocate(*info, dx, dy);
} else {
info = allocations_->allocate(c, a);
info->extension(ext);
full_allocate(*info);
}
}
ext = info->extension();
return *info;
}
void BoxImpl::offset_allocate(AllocationInfo& info, Coord dx, Coord dy) {
Canvas* c = info.canvas();
Allocation* a = info.component_allocations();
Extension& box = info.extension();
Extension child;
GlyphIndex n = box_->count();
for (GlyphIndex i = 0; i < n; i++) {
Glyph* g = box_->component(i);
if (g != nil) {
Allocation& a_i = a[i];
Allotment& ax = a_i.x_allotment();
Allotment& ay = a_i.y_allotment();
ax.offset(dx);
ay.offset(dy);
child.clear();
g->allocate(c, a_i, child);
box.merge(child);
}
}
}