C++ Page::IsKindOf方法代码示例

/********************************************************************************************

>	BOOL MakeBitmapFilter::InsertBitmapIntoDocument(UndoableOperation *pOp, KernelBitmap* KernelBmp, Document* DestDoc)

	Author:		Will_Cowling (Xara Group Ltd) <[email protected]>
	Created:	11/6/96
	Purpose:	Exports the current selection as a bitmap, via the virtual fns of the
				inherited class.
	Returns:	TRUE if worked, FALSE if failed.
	SeeAlso:	GetExportOptions; PrepareToExport; ExportRenderNodes; CleanUpAfterExport;

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BOOL MakeBitmapFilter::InsertBitmapIntoDocument(UndoableOperation *pOp, KernelBitmap* KernelBmp, Document* DestDoc)
{
	Spread *pSpread;
	DocCoord Origin;

	// Remember the selection rect, before we change it
	DocRect SelRect = GetApplication()->FindSelection()->GetBoundingRect();

	// For now, position Draw objects on 1st page of spread 1
PORTNOTE("spread", "Multi-spread warning!")
	pSpread = GetFirstSpread(DestDoc);
	Page *pPage = (Page *) pSpread->FindFirstPageInSpread();
	ERROR3IF(!pPage->IsKindOf(CC_RUNTIME_CLASS(Page)),
		   "MakeBitmapFilter::InsertBitmapIntoDocument: Could not find first Page");

	// Use bottom left of page as origin
	DocRect PageRect = pPage->GetPageRect();
	Origin.x = PageRect.lo.x;
	Origin.y = PageRect.hi.y;

	// Get a new NodeBitmap object to import into.
	NodeBitmap *pNodeBitmap = new NodeBitmap;
	if ((pNodeBitmap == NULL) || (!pNodeBitmap->SetUpPath(12,12)))
		return FALSE;

	// Attach the Imported Bitmap to our Node
	pNodeBitmap->GetBitmapRef()->Attach(KernelBmp, DestDoc); //GetDocument());
	if (pNodeBitmap->GetBitmap() != KernelBmp)
		delete KernelBmp; // It didn't use the bitmap we gave it, so we can delete it

	// Import worked - try to add the bitmap object into the tree.
	// First, set the rectangle to the right size for the bitmap...
	BitmapInfo Info;
	pNodeBitmap->GetBitmap()->ActualBitmap->GetInfo(&Info);

	DocRect BoundsRect;
	BoundsRect.lo = Origin;
	BoundsRect.hi.x = BoundsRect.lo.x + Info.RecommendedWidth;
	BoundsRect.hi.y = BoundsRect.lo.y + Info.RecommendedHeight;

	// And set this in our bitmap node
	pNodeBitmap->CreateShape(BoundsRect);

	// Make sure that there is a layer to put the bitmap onto
	if (!MakeSureLayerExists(DestDoc))
	{
		// There is no layer and one could not be made, so we will have to fail
		delete pNodeBitmap;
		return FALSE;
	}

	// Set the default attrs
	// This MUST be done before the NodeBitmap is Inserted into the tree
	if (!pNodeBitmap->ApplyDefaultBitmapAttrs(pOp))
		return FALSE;

	// Insert the node, but don't invalidate its region
	if (!pOp->DoInsertNewNode(pNodeBitmap, pSpread, FALSE))
	{
		// It didn't work - delete the sub-tree we just created, and report error.
		delete pNodeBitmap;
		return FALSE;
	}

	// bitmap is currently positioned so its bottom left hand
	// corner is at the top left of the page

	// By default we'll move it down so the top-left of the bitmap is on the top-left of the page
	INT32 XTranslate = 0;
	INT32 YTranslate = -Info.RecommendedHeight;

	ClickModifiers ClickMods = ClickModifiers::GetClickModifiers();

	if (ClickMods.Adjust && !SelRect.IsEmpty())
	{
		// If shift is down, then we'll try and place the bitmap exactly on top of the selection
		DocCoord SelectionCentre(SelRect.lo.x + (SelRect.Width()/2), SelRect.lo.y + (SelRect.Height()/2));

		XTranslate = SelectionCentre.x - Origin.x - (Info.RecommendedWidth/2);
		YTranslate = SelectionCentre.y - Origin.y - (Info.RecommendedHeight/2);
	}
	else
	{
		// Otherwise we'll try and centre it within the current view
		Spread* pCurrentSpread;
		DocCoord ViewCentre;

		if (FindCentreInsertionPosition(&pCurrentSpread, &ViewCentre))
//.........这里部分代码省略.........

void BitmapEffectAtom::Test2(UndoableOperation * Op)
{
	 
	BOOL CarryOn=TRUE;
	Range Sel(*(GetApplication()->FindSelection()));

	Node* FirstSelectedNode = Sel.FindFirst(); 
	if (FirstSelectedNode != NULL) // No nodes selected so End
	{
	    Node* CurrentNode = FirstSelectedNode;       
	    Node* NextCurrent; 
	    
	    // Do all bitmaps
		while ((CurrentNode != NULL) && CarryOn)
		{
			NextCurrent = Sel.FindNext(CurrentNode);
	       	if  ( (CurrentNode->IsSelected()) && (CurrentNode->GetRuntimeClass() == CC_RUNTIME_CLASS(NodeBitmap)) ) 
	       	{         
				KernelBitmap * pBitmap = ((NodeBitmap *)(CurrentNode))->GetBitmap();
				BitmapInfo BMInfo;
				UINT32 bpp;
				pBitmap->ActualBitmap->GetInfo(&BMInfo);
				bpp=BMInfo.PixelDepth;
		   		
  				TRACEUSER( "Alex", _T("Bitmap found %d bpp\n"),bpp);

				if ((bpp==32) || TRUE)
				{
					CarryOn = FALSE;
					NodeBitmap *pNodeBitmap = new NodeBitmap;
					if ((pNodeBitmap == NULL) || (!pNodeBitmap->SetUpPath(12,12)))
						return;

					Spread *pSpread;
					DocCoord Origin;

					// For now, position Draw objects on 1st page of spread 1
					Node *pNode = (Document::GetSelected())->GetFirstNode()->FindNext()->FindFirstChild();
					while ((pNode != NULL) && (!pNode->IsKindOf(CC_RUNTIME_CLASS(Chapter))))
						pNode = pNode->FindNext();
		
					ENSURE(pNode->IsKindOf(CC_RUNTIME_CLASS(Chapter)), 
						   "Filter::GetFirstSpread(): Could not find Chapter");
					Chapter *pChapter = (Chapter *) pNode;
	
					// pSpread is a child of pChapter
					pSpread = (Spread *) pChapter->FindFirstChild();
					ENSURE(pSpread->IsKindOf(CC_RUNTIME_CLASS(Spread)),
						   "Filter::GetFirstSpread(): Could not find Spread");

					Page *pPage = (Page *) pSpread->FindFirstPageInSpread();
					ENSURE(pPage->IsKindOf(CC_RUNTIME_CLASS(Page)),
						   "BaseBitmapFilter::DoImport(): Could not find first Page");
		
					// Use bottom left of page as origin
					DocRect PageRect = pPage->GetPageRect();
					Origin = PageRect.lo;
	
					KernelBitmap* kb = new KernelBitmap(BMInfo.PixelWidth,BMInfo.PixelHeight,32,100);
					// Get a new bitmap object for this node.
					pNodeBitmap->GetBitmapRef()->Attach(kb);
					if (pNodeBitmap->GetBitmap() != kb)
					{
						// It didn't use the bitmap we gave it, so we can delete it
						delete kb;
					}
						
					ENSURE(pNodeBitmap->GetBitmap()->ActualBitmap != NULL, "No bitmap object found!");
					
					// Import worked - try to add the bitmap object into the tree.
					// First, set the rectangle to the right size for the bitmap...
					BitmapInfo Info;
					pNodeBitmap->GetBitmap()->ActualBitmap->GetInfo(&Info);

					DocRect BoundsRect;
					BoundsRect.lo = Origin;
					BoundsRect.hi.x = BoundsRect.lo.x + Info.RecommendedWidth;
					BoundsRect.hi.y = BoundsRect.lo.y + Info.RecommendedHeight;

					// And set this in our bitmap node
					pNodeBitmap->CreateShape(BoundsRect);

					// Apply some default attrs for the bitmap
					// This Must be done before the NodeBitmap is inserted into the tree
					if (!pNodeBitmap->ApplyDefaultBitmapAttrs(Op))
					{
						return;
					}
					
					// Insert the node, but don't invalidate its region
					if (!Op->DoInsertNewNode(pNodeBitmap, pSpread, FALSE))
					{
						// It didn't work - delete the sub-tree we just created, and report error.
						delete pNodeBitmap;
						return;
					}
									
					// Invalidate the region
					Op->DoInvalidateNodeRegion(pNodeBitmap, TRUE, FALSE);

//.........这里部分代码省略.........