void Ctrl::GatherTransparentAreas(Vector<Rect>& area, SystemDraw& w, Rect r, const Rect& clip)
{
GuiLock __;
LTIMING("GatherTransparentAreas");
Point off = r.TopLeft();
Point viewpos = off + GetView().TopLeft();
r.Inflate(overpaint);
Rect notr = GetVoidRect();
if(notr.IsEmpty())
notr = GetOpaqueRect();
notr += viewpos;
if(!IsShown() || r.IsEmpty() || !clip.Intersects(r) || !w.IsPainting(r))
return;
if(notr.IsEmpty())
CombineArea(area, r & clip);
else {
if(notr != r) {
CombineArea(area, clip & Rect(r.left, r.top, notr.left, r.bottom));
CombineArea(area, clip & Rect(notr.right, r.top, r.right, r.bottom));
CombineArea(area, clip & Rect(notr.left, r.top, notr.right, notr.top));
CombineArea(area, clip & Rect(notr.left, notr.bottom, notr.right, r.bottom));
}
for(Ctrl *q = firstchild; q; q = q->next) {
Point qoff = q->InView() ? viewpos : off;
Rect qr = q->GetRect() + qoff;
if(clip.Intersects(qr))
q->GatherTransparentAreas(area, w, qr, clip);
}
}
}
bool Ctrl::PaintOpaqueAreas(SystemDraw& w, const Rect& r, const Rect& clip, bool nochild)
{
GuiLock __;
LTIMING("PaintOpaqueAreas");
if(!IsShown() || r.IsEmpty() || !r.Intersects(clip) || !w.IsPainting(r))
return true;
Point off = r.TopLeft();
Point viewpos = off + GetView().TopLeft();
if(backpaint == EXCLUDEPAINT)
return w.ExcludeClip(r);
Rect cview = clip & (GetView() + off);
for(Ctrl *q = lastchild; q; q = q->prev)
if(!q->PaintOpaqueAreas(w, q->GetRect() + (q->InView() ? viewpos : off),
q->InView() ? cview : clip))
return false;
if(nochild && (lastchild || GetNext()))
return true;
Rect opaque = (GetOpaqueRect() + viewpos) & clip;
if(opaque.IsEmpty())
return true;
#ifdef SYSTEMDRAW
if(backpaint == FULLBACKPAINT && !dynamic_cast<BackDraw *>(&w))
#else
if(backpaint == FULLBACKPAINT && !w.IsBack())
#endif
{
ShowRepaintRect(w, opaque, LtRed());
BackDraw bw;
bw.Create(w, opaque.GetSize());
bw.Offset(viewpos - opaque.TopLeft());
bw.SetPaintingDraw(w, opaque.TopLeft());
{
LEVELCHECK(bw, this);
Paint(bw);
PaintCaret(bw);
}
bw.Put(w, opaque.TopLeft());
}
else {
w.Clip(opaque);
ShowRepaintRect(w, opaque, Green());
w.Offset(viewpos);
{
LEVELCHECK(w, this);
Paint(w);
PaintCaret(w);
}
w.End();
w.End();
}
LLOG("Exclude " << opaque);
return w.ExcludeClip(opaque);
}
void Ctrl::CtrlPaint(SystemDraw& w, const Rect& clip) {
GuiLock __;
LEVELCHECK(w, this);
LTIMING("CtrlPaint");
Rect rect = GetRect().GetSize();
Rect orect = rect.Inflated(overpaint);
if(!IsShown() || orect.IsEmpty() || clip.IsEmpty() || !clip.Intersects(orect))
return;
Ctrl *q;
Rect view = rect;
for(int i = 0; i < frame.GetCount(); i++) {
LEVELCHECK(w, NULL);
frame[i].frame->FramePaint(w, view);
view = frame[i].view;
}
Rect oview = view.Inflated(overpaint);
bool hasviewctrls = false;
bool viewexcluded = false;
for(q = firstchild; q; q = q->next)
if(q->IsShown())
if(q->InFrame()) {
if(!viewexcluded && IsTransparent() && q->GetRect().Intersects(view)) {
w.Begin();
w.ExcludeClip(view);
viewexcluded = true;
}
LEVELCHECK(w, q);
Point off = q->GetRect().TopLeft();
w.Offset(off);
q->CtrlPaint(w, clip - off);
w.End();
}
else
hasviewctrls = true;
if(viewexcluded)
w.End();
DOLEVELCHECK;
if(!oview.IsEmpty()) {
if(oview.Intersects(clip) && w.IsPainting(oview)) {
LEVELCHECK(w, this);
if(overpaint) {
w.Clip(oview);
w.Offset(view.left, view.top);
Paint(w);
PaintCaret(w);
w.End();
w.End();
}
else {
w.Clipoff(view);
Paint(w);
PaintCaret(w);
w.End();
}
}
}
if(hasviewctrls && !view.IsEmpty()) {
Rect cl = clip & view;
w.Clip(cl);
for(q = firstchild; q; q = q->next)
if(q->IsShown() && q->InView()) {
LEVELCHECK(w, q);
Rect qr = q->GetRect();
Point off = qr.TopLeft() + view.TopLeft();
Rect ocl = cl - off;
if(ocl.Intersects(Rect(qr.GetSize()).Inflated(overpaint))) {
w.Offset(off);
q->CtrlPaint(w, cl - off);
w.End();
}
}
w.End();
}
}
