C++ Rect::Intersects方法代码示例

void Ctrl::ScrollCtrl(Top *top, Ctrl *q, const Rect& r, Rect cr, int dx, int dy)
{
	if(top && r.Intersects(cr)) { // Uno: Contains -> Intersetcs
		Rect to = cr;
		GetTopRect(to, false);
		if(r.Intersects(cr.Offseted(-dx, -dy))) { // Uno's suggestion 06/11/26 Contains -> Intersetcs
			Rect from = cr.Offseted(-dx, -dy);
			GetTopRect(from, false);
			MoveCtrl *m = FindMoveCtrlPtr(top->move, q);
			if(m && m->from == from && m->to == to) {
				LLOG("ScrollView Matched " << from << " -> " << to);
				m->ctrl = NULL;
				return;
			}
		}

		if(r.Intersects(cr.Offseted(dx, dy))) { // Uno's suggestion 06/11/26 Contains -> Intersetcs
			Rect from = to;
			to = cr.Offseted(dx, dy);
			GetTopRect(to, false);
			MoveCtrl& m = top->scroll_move.Add(q);
			m.from = from;
			m.to = to;
			m.ctrl = q;
			LLOG("ScrollView Add " << UPP::Name(q) << from << " -> " << to);
			return;
		}
		cr &= r;
		if(!cr.IsEmpty()) {
			Refresh(cr);
			Refresh(cr + Point(dx, dy));
		}
	}
}

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);
		}
	}
}

void mouseClick(int button, int state, int x, int y)
{
	if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)
	{
		Vec2 mousePos((float)x, (float)y);
		for (int i = 0; i < rectangles.size(); ++i)
		{
			if (rectangles[i]->Intersects(mousePos))
			{
				nnet->ApplyChanges(changes[i]);
				GenerateMutations();
				return;
			}
		}
		float* thingToChange = 0;

		if (colourRect.Intersects(mousePos))
			thingToChange = &colourWeight;
		else if (sizeRect.Intersects(mousePos))
			thingToChange = &sizeWeight;
		else if (distanceRect.Intersects(mousePos))
			thingToChange = &distanceWeight;
		else if (areaRect.Intersects(mousePos))
			thingToChange = &areaWeight;

		if (thingToChange)
		{	
			if (y > 700)
				*thingToChange -= 0.1f;
			else
				*thingToChange += 0.1f;
		}
	}
}

void MapBG::Render(Draw* w)
{
	if (_currLevel < 0 || _currLevel >= _levels.GetCount() || !GetTopRender())
		return;

	MipMapLevel& level = _levels[_currLevel];

	Point offset = GetTopRender()->GetPageOffset();
	Rect  page   = GetTopRender()->GetPageRect();
	Point lt     = GetTopRender()->GetPagePos();

	for (int i = 0; i < level.GetMipMaps().GetCount(); ++i)
	{
		Rect itemRect(level.GetMipMaps().GetKey(i), level.GetBlockSize());

		if (page.Intersects(itemRect))
			if (level.GetMipMaps()[i])
			{
				level.GetMipMaps()[i]
					->Render(w,
				         itemRect
							.Offseted(-lt)
							.Offseted(offset));
			}
	}

	IMapRender::Render(w);
}

void
DrawTargetTiled::StrokeRect(const Rect& aRect, const Pattern& aPattern, const StrokeOptions &aStrokeOptions, const DrawOptions& aDrawOptions)
{
  Rect deviceRect = mTransform.TransformBounds(aRect);
  Margin strokeMargin = MaxStrokeExtents(aStrokeOptions, mTransform);
  Rect outerRect = deviceRect;
  outerRect.Inflate(strokeMargin);
  Rect innerRect;
  if (mTransform.IsRectilinear()) {
    // If rects are mapped to rects, we can compute the inner rect
    // of the stroked rect.
    innerRect = deviceRect;
    innerRect.Deflate(strokeMargin);
  }
  for (size_t i = 0; i < mTiles.size(); i++) {
    if (mTiles[i].mClippedOut) {
      continue;
    }
    Rect tileRect(mTiles[i].mTileOrigin.x,
                  mTiles[i].mTileOrigin.y,
                  mTiles[i].mDrawTarget->GetSize().width,
                  mTiles[i].mDrawTarget->GetSize().height);
    if (outerRect.Intersects(tileRect) && !innerRect.Contains(tileRect)) {
      mTiles[i].mDrawTarget->StrokeRect(aRect, aPattern, aStrokeOptions, aDrawOptions);
    }
  }
}

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
CliWindow::Invalidate (const Rect& region)
{
	Rect bounds = _canvas.GetDrawBounds();
	if (bounds.Intersects(region)) {
		bounds = bounds.Intersect(region);
		Redraw(bounds);
		if (_parent) {
			bounds.Move(Bounds().TopLeft()+_parent->ClientOffset());
			_parent->Invalidate(bounds);
		}
	}
}

void
DrawTargetTiled::Fill(const Path* aPath, const Pattern& aPattern, const DrawOptions& aDrawOptions)
{
  Rect deviceRect = aPath->GetBounds(mTransform);
  for (size_t i = 0; i < mTiles.size(); i++) {
    if (!mTiles[i].mClippedOut &&
        deviceRect.Intersects(Rect(mTiles[i].mTileOrigin.x,
                                   mTiles[i].mTileOrigin.y,
                                   mTiles[i].mDrawTarget->GetSize().width,
                                   mTiles[i].mDrawTarget->GetSize().height))) {
      mTiles[i].mDrawTarget->Fill(aPath, aPattern, aDrawOptions);
    }
  }
}

void
DrawTargetTiled::StrokeLine(const Point& aStart, const Point& aEnd, const Pattern& aPattern, const StrokeOptions &aStrokeOptions, const DrawOptions& aDrawOptions)
{
  Rect lineBounds = Rect(aStart, Size()).UnionEdges(Rect(aEnd, Size()));
  Rect deviceRect = mTransform.TransformBounds(lineBounds);
  deviceRect.Inflate(MaxStrokeExtents(aStrokeOptions, mTransform));
  for (size_t i = 0; i < mTiles.size(); i++) {
    if (!mTiles[i].mClippedOut &&
        deviceRect.Intersects(Rect(mTiles[i].mTileOrigin.x,
                                   mTiles[i].mTileOrigin.y,
                                   mTiles[i].mDrawTarget->GetSize().width,
                                   mTiles[i].mDrawTarget->GetSize().height))) {
      mTiles[i].mDrawTarget->StrokeLine(aStart, aEnd, aPattern, aStrokeOptions, aDrawOptions);
    }
  }
}

void MapBG::StatePerformed(dword state, const String& param)
{
	if (_currLevel < 0 || _currLevel >= _levels.GetCount())
		return;

	MipMapLevel& level = _levels[_currLevel];
	Rect pageRect = GetPageRect();

	if (_recalc || !_virtPage.Contains(GetPageRect()))
	{
		_virtPage = pageRect.Inflated(level.GetBlockSize() * _cachePageInitSize);
		_recalc = true;
	}

	Rect currVirtualPage = _virtPage.Inflated(level.GetBlockSize() * _cachePageSize);

	if (!_recalc)
		return;

	for (int i = 0; i < level.GetMipMaps().GetCount(); ++i)
	{
		Point pi = level.GetMipMaps().GetKey(i);
		Rect itemRect(pi, level.GetBlockSize());

		if (!level.GetMipMaps()[i])
			continue;

		if (currVirtualPage.Intersects(itemRect))
		{
			level.GetMipMaps()[i]->Prepare(
				AppendFileName(_mapDir, NFormat("%d-%d-%d.png", _currLevel, pi.x, pi.y)),
				level.GetBlockSize()
			);
		}
		else
			level.GetMipMaps()[i]->Release();
	}

	_recalc = false;
}

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();
	}
}

void  Ctrl::ScrollView(const Rect& _r, int dx, int dy)
{
	GuiLock __;
	if(IsFullRefresh() || !IsVisible())
		return;
	Size vsz = GetSize();
	dx = sgn(dx) * min(abs(dx), vsz.cx);
	dy = sgn(dy) * min(abs(dy), vsz.cy);
	Rect r = _r & vsz;
	Ctrl *w;
	for(w = this; w->parent; w = w->parent)
		if(w->InFrame()) {
			Refresh();
			return;
		}
	if(!w || !w->top) return;
	Rect view = InFrame() ? GetView() : GetClippedView();
	Rect sr = (r + view.TopLeft()) & view;
	sr += GetScreenRect().TopLeft() - w->GetScreenRect().TopLeft();
	if(w->AddScroll(sr, dx, dy))
		Refresh();
	else {
		LTIMING("ScrollCtrls1");
		Top *top = GetTopCtrl()->top;
		for(Ctrl *q = GetFirstChild(); q; q = q->GetNext())
			if(q->InView()) {
				Rect cr = q->GetRect();
				if(top && r.Intersects(cr)) { // Uno: Contains -> Intersetcs
					Rect to = cr;
					GetTopRect(to, false);
					if(r.Intersects(cr.Offseted(-dx, -dy))) { // Uno's suggestion 06/11/26 Contains -> Intersetcs
						Rect from = cr.Offseted(-dx, -dy);
						GetTopRect(from, false);
						MoveCtrl *m = FindMoveCtrlPtr(top->move, q);
						if(m && m->from == from && m->to == to) {
							LLOG("ScrollView Matched " << from << " -> " << to);
							m->ctrl = NULL;
							goto done;
						}
					}

					if(r.Intersects(cr.Offseted(dx, dy))) { // Uno's suggestion 06/11/26 Contains -> Intersetcs
						Rect from = to;
						to = cr.Offseted(dx, dy);
						GetTopRect(to, false);
						MoveCtrl& m = top->scroll_move.Add(q);
						m.from = from;
						m.to = to;
						m.ctrl = q;
						LLOG("ScrollView Add " << UPP::Name(q) << from << " -> " << to);
						goto done;
					}
					cr &= r;
					if(!cr.IsEmpty()) {
						Refresh(cr);
						Refresh(cr + Point(dx, dy));
					}
				done:;
				}
			}
	}
}

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;
	
	w.PushContext();
	//glPushMatrix();
	ApplyTransform(TS_BEFORE_CTRL_PAINT);
		
	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() && oview.Intersects(clip)) {
		LEVELCHECK(w, this);
		if(cliptobounds)
			w.Clip(overpaint ? oview : view);
		w.Offset(view.left, view.top);
		Paint(w);
		PaintCaret(w);		
		w.End();
		
		if(hasviewctrls && !view.IsEmpty()) {
			Rect cl = clip & view;
			for(q = firstchild; q; q = q->next)
				if(q->IsShown() && q->InView()) {
					Rect rr(q->popup ? clip : cl);
					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, rr - off);
						w.End();
					}
				}
		}

		if(cliptobounds)
			w.End();
	}
	
	ApplyTransform(TS_AFTER_CTRL_PAINT);
	//glPopMatrix();
	w.PopContext();
}