// $Id: cxfnbmp.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============================ */ /******************************************************************************************** > cxfnbmp.cpp Author: Andy_Hayward (Xara Group Ltd) Created: 14/06/96 Purpose: Implementation of an abstract class, holding code for exporting NodeBitmaps. ********************************************************************************************/ #include "camtypes.h" #include "nodebmp.h" //#include "camfiltr.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "cxftags.h" //#include "cxfdefs.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "cxfile.h" //#include "cxfrec.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "cxfnbmp.h" /******************************************************************************************** > BOOL CXaraFileNodeBitmap::WritePreChildrenWeb(BaseCamelotFilter *pFilter, NodeBitmap *pNodeBitmap); BOOL CXaraFileNodeBitmap::WritePreChildrenNative(BaseCamelotFilter *pFilter, NodeBitmap *pNodeBitmap); Author: Andy_Hayward (Xara Group Ltd) Created: 14/06/96 Inputs: pFilter - filter to save to pNodeBitmap - NodeBitmap to save Returns: TRUE if successful, FALSE otherwise Purpose: Saves a NodeBitmap record to the filter ********************************************************************************************/ BOOL CXaraFileNodeBitmap::WritePreChildrenWeb(BaseCamelotFilter *pFilter, NodeBitmap *pNodeBitmap) { ERROR2IF(pFilter==NULL, FALSE, "parameter pFilter==NULL"); ERROR2IF(pNodeBitmap==NULL, FALSE, "parameter pNodeBitmap==NULL"); return WriteNodeBitmap(pFilter, pNodeBitmap); } BOOL CXaraFileNodeBitmap::WritePreChildrenNative(BaseCamelotFilter *pFilter, NodeBitmap *pNodeBitmap) { ERROR2IF(pFilter==NULL, FALSE, "parameter pFilter==NULL"); ERROR2IF(pNodeBitmap==NULL, FALSE, "parameter pNodeBitmap==NULL"); return WriteNodeBitmap(pFilter, pNodeBitmap); } /******************************************************************************************** > BOOL CXaraFileNodeBitmap::WriteNodeBitmap(BaseCamelotFilter *pFilter, NodeBitmap *pNodeBitmap) Author: Andy_Hayward (Xara Group Ltd) Created: 14/06/96 Inputs: pFilter - filter to save to pNodeBitmap - NodeBitmap to save out Returns: TRUE if successful, FALSE otherwise Purpose: saves a NodeBitmap record to the filter ********************************************************************************************/ BOOL CXaraFileNodeBitmap::WriteNodeBitmap(BaseCamelotFilter *pFilter, NodeBitmap *pNodeBitmap) { ERROR2IF(pFilter==NULL, FALSE, "parameter pFilter==NULL"); ERROR2IF(pNodeBitmap==NULL, FALSE, "parameter pNodeBitmap==NULL"); BOOL ok = TRUE; // save out the actual bitmap, and remember its record number INT32 BitmapRecordRef = 0; INT32 StartColourRecordRef = 0; INT32 EndColourRecordRef = 0; // Get the bitmap that the node references and hence we need to save. // Then get a reference to it. In the process this may save out the // bitmap definition, if it has not already been saved KernelBitmap *pBmp = pNodeBitmap->GetBitmap(); // Complain if no bitmap was found ERROR2IF(pBmp == NULL,FALSE,"CXaraFileNodeBitmap::WriteNodeBitmap pBmp is NULL"); BitmapRecordRef = pFilter->WriteRecord(pBmp); ERROR2IF(BitmapRecordRef == 0,FALSE,"CXaraFileNodeBitmap::WriteNodeBitmap BitmapRecordRef is 0"); // Do the same for the start and end colours (Contoning) // Only get a colour reference if they are present DocColour *pStartCol = pNodeBitmap->GetStartColour(); if (pStartCol) StartColourRecordRef = pFilter->WriteRecord(pStartCol); DocColour *pEndCol = pNodeBitmap->GetEndColour(); if (pEndCol) EndColourRecordRef = pFilter->WriteRecord(pEndCol); // BOOL Contoned = pNodeBitmap->GetApplyContoneColour(); // The above flag may lie. If you have a 24bpp bitmap and have tried to apply a contone colour // and cancelled the operation, then this flag is set but there are no colours. // Check for the prescence of the colours and that they have been converted to colour references // ok. Only then, do we save a contoned bitmap. if (pStartCol != NULL && pEndCol != NULL && StartColourRecordRef != 0 && EndColourRecordRef != 0 ) { // Write out a contoned node bitmap record CamelotFileRecord Rec(pFilter,TAG_NODE_CONTONEDBITMAP, TAG_NODE_CONTONEDBITMAP_SIZE); TRACEUSER( "Neville", _T("Write contoned node bitmap, bitmap reference %d, Start colour %d, EndColour %d\n"),BitmapRecordRef,StartColourRecordRef,EndColourRecordRef); if (ok) ok = Rec.Init(); // Write out the encompassing rectangle if (ok) ok = Rec.WriteCoord(pNodeBitmap->Parallel[0]); if (ok) ok = Rec.WriteCoord(pNodeBitmap->Parallel[1]); if (ok) ok = Rec.WriteCoord(pNodeBitmap->Parallel[2]); if (ok) ok = Rec.WriteCoord(pNodeBitmap->Parallel[3]); // Write out the bitmap reference if (ok) ok = Rec.WriteReference(BitmapRecordRef); if (ok) ok = Rec.WriteReference(StartColourRecordRef); if (ok) ok = Rec.WriteReference(EndColourRecordRef); if (ok) ok = pFilter->Write(&Rec); } else { // Write out a normal node bitmap record CamelotFileRecord Rec(pFilter,TAG_NODE_BITMAP, TAG_NODE_BITMAP_SIZE); TRACEUSER( "Neville", _T("Write node bitmap, bitmap reference %d\n"),BitmapRecordRef); if (ok) ok = Rec.Init(); // Write out the encompassing rectangle if (ok) ok = Rec.WriteCoord(pNodeBitmap->Parallel[0]); if (ok) ok = Rec.WriteCoord(pNodeBitmap->Parallel[1]); if (ok) ok = Rec.WriteCoord(pNodeBitmap->Parallel[2]); if (ok) ok = Rec.WriteCoord(pNodeBitmap->Parallel[3]); // Write out the bitmap reference if (ok) ok = Rec.WriteReference(BitmapRecordRef); if (ok) ok = pFilter->Write(&Rec); } return ok; }