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::UpdateArea0(SystemDraw& draw, const Rect& clip, int backpaint)
{
GuiLock __;
LTIMING("UpdateArea");
LLOG("========== UPDATE AREA " << UPP::Name(this) << " ==========");
if(globalbackbuffer) {
CtrlPaint(draw, clip);
LLOG("========== END (TARGET IS BACKBUFFER)");
return;
}
if(backpaint == FULLBACKPAINT || globalbackpaint && !hasdhctrl && !dynamic_cast<DHCtrl *>(this)) {
ShowRepaintRect(draw, clip, LtRed());
BackDraw bw;
bw.Create(draw, clip.GetSize());
bw.Offset(-clip.TopLeft());
bw.SetPaintingDraw(draw, clip.TopLeft());
CtrlPaint(bw, clip);
bw.Put(draw, clip.TopLeft());
LLOG("========== END (FULLBACKPAINT)");
return;
}
if(backpaint == TRANSPARENTBACKPAINT) {
LLOG("TransparentBackpaint");
Vector<Rect> area;
GatherTransparentAreas(area, draw, GetRect().GetSize(), clip);
for(int i = 0; i < area.GetCount(); i++) {
Rect ar = area[i];
LLOG("Painting area: " << ar);
ShowRepaintRect(draw, ar, LtBlue());
BackDraw bw;
bw.Create(draw, ar.GetSize());
bw.Offset(-ar.TopLeft());
bw.SetPaintingDraw(draw, ar.TopLeft());
CtrlPaint(bw, ar);
bw.Put(draw, ar.TopLeft());
if(!draw.ExcludeClip(ar)) {
LLOG("========== END");
return;
}
}
PaintOpaqueAreas(draw, GetRect().GetSize(), clip);
LLOG("========== END");
return;
}
CtrlPaint(draw, clip);
LLOG("========== END");
}
