// $Id: fraclist.cpp 1282 2006-06-09 09:46:49Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // Kernel level parts of bitmap lists /* */ #include "camtypes.h" //#include "fraclist.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "list.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "errors.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "fillattr.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "app.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "bitmpinf.h" #include "fillattr2.h" CC_IMPLEMENT_MEMDUMP( CachedFractal, ListItem ) CC_IMPLEMENT_MEMDUMP( GlobalFractalList, List ) // Declare smart memory handling in Debug builds #define new CAM_DEBUG_NEW /********************************************************************************************** > CachedFractal::CachedFractal() Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Inputs: - Outputs: - Returns: - Purpose: CachedFractal constructor **********************************************************************************************/ CachedFractal::CachedFractal() { Fractal = NULL; UsageCount = 0; m_bIsFake = FALSE; } /********************************************************************************************** > CachedFractal::~CachedFractal() Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Inputs: - Outputs: - Returns: - Purpose: CachedFractal destructor **********************************************************************************************/ CachedFractal::~CachedFractal() { if (IsFakeFractal()) { if (Fractal->GetBitmap()) { delete Fractal->GetBitmapRef()->GetBitmap(); Fractal->GetBitmapRef()->SetBitmap(NULL); } delete Fractal; return; } if (UsageCount > 0) TRACEUSER( "Mike", _T("Deleting cached fractal while it's still in use\n")); if (Fractal) { GlobalFractalList* pFracList = GetApplication()->GetGlobalFractalList(); BOOL StillUsed = FALSE; if (pFracList) { CachedFractal* pCachedFractal = (CachedFractal*)pFracList->GetHead(); while (pCachedFractal != NULL) { OILBitmap* pBmp = NULL; if (pCachedFractal->GetBitmap()) pBmp = pCachedFractal->GetBitmap()->ActualBitmap; // Are the bitmaps the same ? if (Fractal->GetBitmap() && Fractal->GetBitmap()->ActualBitmap == pBmp ) { // This fractal bitmap is still being used StillUsed = TRUE; break; } pCachedFractal = (CachedFractal*)pFracList->GetNext(pCachedFractal); } } if (Fractal->GetBitmap()) { // Only delete the actual bitmap, if it's not used for any other fractals if (!StillUsed) { delete Fractal->GetBitmapRef()->GetBitmap()->ActualBitmap; Fractal->GetBitmapRef()->GetBitmap()->ActualBitmap = NULL; } delete Fractal->GetBitmapRef()->GetBitmap(); Fractal->GetBitmapRef()->SetBitmap(NULL); } delete Fractal; } } /********************************************************************************************** > INT32 CachedFractal::operator==(const FillGeometryAttribute& Attrib) Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Inputs: - Outputs: - Returns: - Purpose: - **********************************************************************************************/ INT32 CachedFractal::operator==(const FillGeometryAttribute& Attrib) { FillGeometryAttribute* CachedFrac = GetCachedFractal(); FillGeometryAttribute* OtherFrac = (FillGeometryAttribute*)&Attrib; if (OtherFrac->GetRuntimeClass() != CachedFrac->GetRuntimeClass()) return FALSE; return ( OtherFrac->IsSameAsCachedFractal(CachedFrac) ); } /********************************************************************************************** > void CachedFractal::SetCachedFractal(FillGeometryAttribute* NewFrac) Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Inputs: - Outputs: - Returns: - Purpose: - **********************************************************************************************/ void CachedFractal::SetCachedFractal(FillGeometryAttribute* NewFrac) { CCRuntimeClass* ObjectType = NewFrac->GetRuntimeClass(); FillGeometryAttribute* FracClone = (FillGeometryAttribute*)ObjectType->CreateObject(); NewFrac->CacheFractalData(FracClone); KernelBitmap* Bmp = new KernelBitmap(NewFrac->GetBitmap()->ActualBitmap, TRUE); FracClone->GetBitmapRef()->SetBitmap(Bmp); // Bmp->IncUsageCount(); Fractal = FracClone; } /********************************************************************************************** > FillGeometryAttribute* CachedFractal::GetCachedFractal() Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Inputs: - Outputs: - Returns: - Purpose: - **********************************************************************************************/ FillGeometryAttribute* CachedFractal::GetCachedFractal() { return Fractal; } /********************************************************************************************** > void CachedFractal::IncUsageCount() Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Outputs: Increaments the usage count of this cached fractal. Purpose: - **********************************************************************************************/ void CachedFractal::IncUsageCount() { UsageCount++; TRACEUSER( "Mike", _T("Inc Cached Fractal @ %x, Usage to %d\n"),this, UsageCount); } /********************************************************************************************** > void CachedFractal::DecUsageCount() Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Outputs: Decreaments the usage count of this cached fractal. Purpose: - **********************************************************************************************/ void CachedFractal::DecUsageCount() { UsageCount--; TRACEUSER( "Mike", _T("Dec Cached Fractal @ %x, Usage to %d\n"),this, UsageCount); } /********************************************************************************************** > INT32 CachedFractal::GetSize() Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Returns: The memory used by this fractal. Purpose: - **********************************************************************************************/ INT32 CachedFractal::GetSize() { ERROR2IF(Fractal->GetBitmap() == NULL || Fractal->GetBitmap()->ActualBitmap == NULL, 0, "GetSize called when bitmap is NULL"); BitmapInfo Info; Info.MemoryUsed = 0; if (Fractal->GetBitmap() && Fractal->GetBitmap()->ActualBitmap) { Fractal->GetBitmap()->ActualBitmap->GetInfo(&Info); } return Info.MemoryUsed; } /********************************************************************************************** > KernelBitmap* CachedFractal::GetBitmap() Author: Will_Cowling (Xara Group Ltd) Created: 26/8/96 Returns: The fractal bitmap Purpose: - **********************************************************************************************/ KernelBitmap* CachedFractal::GetBitmap() { if (Fractal == NULL) return NULL; return Fractal->GetBitmap(); } /********************************************************************************************** > GlobalBitmapList::GlobalFractalList() Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Inputs: - Outputs: - Returns: - Purpose: GlobalFractalList constructor **********************************************************************************************/ GlobalFractalList::GlobalFractalList() { } /********************************************************************************************** > GlobalFractalList::~GlobalFractalList() Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Inputs: - Outputs: - Returns: - Purpose: GlobalFractalList destructor **********************************************************************************************/ GlobalFractalList::~GlobalFractalList() { if (!IsEmpty()) { TRACEALL( _T("Trying to delete global fractal list when it's not empty !!\n") ); Destroy(); } } /********************************************************************************************** > void GlobalFractalList::Destroy() Author: Mike_Kenny (Xara Group Ltd) Created: 18/2/97 Inputs: - Outputs: - Returns: - Purpose: Destroy the contents of the fractal list **********************************************************************************************/ void GlobalFractalList::Destroy() { ListItem* Fractal; while ((Fractal=RemoveHead())!=NULL) delete Fractal; } /********************************************************************************************** > BOOL GlobalFractalList::Init() Author: Will_Cowling (Xara Group Ltd) Created: 6/2/95 Returns: FALSE if failed. Purpose: Initialise the GlobalFractalList **********************************************************************************************/ BOOL GlobalFractalList::Init() { return TRUE; } /********************************************************************************************** > static BOOL GlobalFractalList::DeInit() Author: Will_Cowling (Xara Group Ltd) Created: 6/2/95 Returns: FALSE if failed. Purpose: DeInitialise the GlobalFractalList. Static function so it finds the global fractal list first **********************************************************************************************/ BOOL GlobalFractalList::DeInit() { GlobalFractalList* FracList = GetApplication()->GetGlobalFractalList(); if (FracList) FracList->Destroy(); return TRUE; } /********************************************************************************************** > BOOL GlobalFractalList::AddFractal(FillGeometryAttribute* NewFractal) Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Returns: FALSE if this fractal already exits. Purpose: Adds an item to the tail of the GlobalFractallist if it doesn't already exist. **********************************************************************************************/ BOOL GlobalFractalList::AddFractal(FillGeometryAttribute* NewFractal) { CachedFractal* ExistingFrac = CheckFractalBitmap(NewFractal); if (ExistingFrac != NULL) { ExistingFrac->IncUsageCount(); return FALSE; } CachedFractal* Fractal = new CachedFractal(); if (Fractal == NULL) return FALSE; TRACEUSER( "Mike", _T("Adding Cached Fractal @ %x\n"),Fractal); Fractal->SetCachedFractal(NewFractal); Fractal->IncUsageCount(); AddTail((ListItem*)Fractal); if (this != GetApplication()->GetGlobalFractalList()) Fractal->MakeFakeFractal(); TRACEUSER( "Mike", _T("Cached Fractal Count = %d\n"),GetFractalCacheCount()); TRACEUSER( "Mike", _T("Cached Fractal Size = %d\n"),GetFractalCacheSize()); return(TRUE); } /********************************************************************************************** > BOOL GlobalFractalList::RemoveFractal(FillGeometryAttribute* Frac) Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Returns: TRUE if the fractal was really removed (or doesn't exist) Purpose: Called when a fractal is destroyed. **********************************************************************************************/ BOOL GlobalFractalList::RemoveFractal(FillGeometryAttribute* Frac) { CachedFractal* ExistingFrac = CheckFractalBitmap(Frac); if (ExistingFrac == NULL) return TRUE; // This will be the case when we delete the cached fractal ExistingFrac->DecUsageCount(); if (ExistingFrac->GetUsageCount() <= 0) { TRACEUSER( "Mike", _T("Removing Cached Fractal @ %x\n"),ExistingFrac); RemoveItem((ListItem*)ExistingFrac); delete ExistingFrac; return TRUE; } TRACEUSER( "Mike", _T("Cached Fractal Count = %d\n"),GetFractalCacheCount()); TRACEUSER( "Mike", _T("Cached Fractal Size = %d\n"),GetFractalCacheSize()); return FALSE; // The fractal is still there } /********************************************************************************************** > CachedFractal* GlobalFractalList::CheckFractalBitmap(FillGeometryAttribute*) Author: Will_Cowling (Xara Group Ltd) Created: 14/12/94 Returns: The existing Fractal if one exists. Purpose: Checks to see if this fractal fill is already in the list. **********************************************************************************************/ CachedFractal* GlobalFractalList::CheckFractalBitmap(FillGeometryAttribute* FractalFill) { ListItem* Fractal = GetHead(); while (Fractal!=NULL) { // Are the fractals the same ? if ( *((CachedFractal*)Fractal) == *FractalFill ) return ((CachedFractal*)Fractal); Fractal = GetNext(Fractal); } return NULL; } /********************************************************************************************** > INT32 GlobalFractalList::GetFractalCacheCount() Author: Will_Cowling (Xara Group Ltd) Created: 30/3/94 Returns: The total number of cached fractals. Purpose: Calculates the total number of cached fractals. **********************************************************************************************/ INT32 GlobalFractalList::GetFractalCacheCount() { return GetCount(); } /********************************************************************************************** > INT32 GlobalFractalList::GetFractalCacheSize() Author: Will_Cowling (Xara Group Ltd) Created: 30/3/94 Returns: The total memory used by the cached fractals. Purpose: Calculates the total memory used by the cached fractals. **********************************************************************************************/ INT32 GlobalFractalList::GetFractalCacheSize() { INT32 FracSize = 0; ListItem* Fractal = GetHead(); while (Fractal != NULL) { FracSize += ((CachedFractal*)Fractal)->GetSize(); Fractal = GetNext(Fractal); } return FracSize; } /********************************************************************************************** > void GlobalFractalList::GetDocumentFractalData(Document* pDoc, EnumFractalData *pData) Author: Mike_Kenny (Xara Group Ltd) Created: 30/3/94 Inputs: pDoc = a pointer to a document pData = a pointer to a structure to fill Outputs: pData is updated with information about the fractals used in this document Returns: - Purpose: Updates the fields in the EnumFractalData with information about fractals in the specified document **********************************************************************************************/ void GlobalFractalList::GetDocumentFractalData(Document* pDoc, EnumFractalData *pData) { BitmapInfo Info; GlobalFractalList FoundList; if (pDoc != NULL) { // Now Scan this document's tree for any references to a bitmap Node* pNode = Node::DocFindFirstDepthFirst(pDoc); while (pNode != NULL) { // First of all is this a NodeHidden ? // If so we want to look at the actual hidden node it's pointing at, // and scan the subtree, for Hidden bitmap references. if (!pNode->IsNodeHidden()) { if (pNode->IsAnAttribute()) // Is this an Attribute ? { // Is it a Fractal Fill ? if (((NodeAttribute*)pNode)->IsAFractalFill()) { AttrFractalFill* pFrac = (AttrFractalFill*)pNode; FillGeometryAttribute* pVal = (FillGeometryAttribute*)pFrac->GetAttributeValue(); BOOL NewFractal = FoundList.AddFractal(pVal); if (NewFractal) { pData->Count++; if (pVal->GetBitmap() && pVal->GetBitmap()->ActualBitmap) { pVal->GetBitmap()->ActualBitmap->GetInfo(&Info); pData->Size += Info.MemoryUsed; } } } } } // Move onto the next node in the tree pNode = pNode->DocFindNextDepthFirst(); } } FoundList.Destroy(); }