sl@0: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "FONTCOMP.H"
sl@0: 
sl@0: FontCompiler::FontCompiler():
sl@0: 	iInputFile(),
sl@0: 	iOutputFile(),
sl@0: 	iFxf(NULL),
sl@0: 	iFontSpace(NULL),
sl@0: 	iWorkSpace(NULL),
sl@0: 	iMapSpace(NULL),
sl@0: 	iWorkSpaceSize(0),
sl@0: 	iHeaderDataLen(0),
sl@0: 	iHeaderData()
sl@0: 	{}
sl@0: 
sl@0: int FontCompiler::Init(char* infile,char* outfile,char* mapfile)
sl@0: 	{
sl@0: 	if(mapfile)
sl@0: 		{
sl@0: 		iMapSpace=new short int[256];
sl@0: 		if(!iMapSpace) return(NoMemory);
sl@0: 
sl@0: #ifdef __MSVCDOTNET__
sl@0: 		fstream tempfile(mapfile, ios::in | ios::binary);
sl@0: #else //!__MSVCDOTNET__
sl@0: 		fstream tempfile(mapfile, ios::in | ios::binary | ios::nocreate);
sl@0: #endif //__MSVCDOTNET__
sl@0: 
sl@0: 		if(!tempfile.is_open())
sl@0: 			return(NoFile);
sl@0: 		tempfile.read((char*)iMapSpace,512);
sl@0: 		tempfile.close();
sl@0: 		}
sl@0: 	iOutputFile.open(outfile, ios::out);
sl@0: 
sl@0: #ifdef __MSVCDOTNET__
sl@0: 	iInputFile.open(infile, ios::in | ios::binary);
sl@0: #else //!__MSVCDOTNET__
sl@0: 	iInputFile.open(infile, ios::in | ios::binary | ios::nocreate);
sl@0: #endif //__MSVCDOTNET__
sl@0: 
sl@0: 	if(!(iOutputFile.is_open() && iInputFile.is_open()))
sl@0: 		return(NoFile);
sl@0: 	iFxf=new Fxf;
sl@0: 	if(!iFxf) return(NoMemory);
sl@0: 	iFxf->iBold=0;
sl@0: 	iFxf->iItalic=0;
sl@0: 	iFxf->iProportional=0;
sl@0: 	iFxf->iSerif=0;
sl@0: 	iFxf->iSymbol=0;
sl@0: 	iFxf->iUid=0;
sl@0: 	iFontSpace=new char[0x100000];
sl@0: 	if(!iFontSpace) return(NoMemory);
sl@0: 	return(NoError);
sl@0: 	}
sl@0: 
sl@0: char* FontCompiler::FontStore() const
sl@0: 	{
sl@0: 	return(iFontSpace);
sl@0: 	}
sl@0: 
sl@0: int FontCompiler::Read(FontType aInputType)
sl@0: 	{
sl@0: 	FontRead *read=NULL;
sl@0: 	switch(aInputType)
sl@0: 		{
sl@0: 		case EFontTypeFsc:
sl@0: 			read=new FscRead(iInputFile,*this,iFxf);
sl@0: 			break;
sl@0: 		case EFontTypeEff:
sl@0: 			read=new EffRead(iInputFile,*this,iFxf,iMapSpace);
sl@0: 			break;
sl@0: 		default:
sl@0: 			return(Parameter);
sl@0: 		}
sl@0: 	if(!read)
sl@0: 		return(NoMemory);
sl@0: 	int error=read->ReadFont();
sl@0: 	delete read;
sl@0: 	return(error);
sl@0: 	}
sl@0: 
sl@0: void FontCompiler::RemoveBlankSpace()
sl@0: 	{
sl@0: 	int count=0;
sl@0: 	const int maxbytewidth=(MAX_CHAR_WID+15)>>3;
sl@0: 	unsigned char buf[maxbytewidth];
sl@0: 	unsigned char zbuf[maxbytewidth];
sl@0: 
sl@0: 	for(count=0;count<maxbytewidth;count++)
sl@0: 			zbuf[count]=0;
sl@0: 	for(int chNum=iFxf->FirstChr;chNum<iFxf->n_chars;chNum++)
sl@0: 		{
sl@0: 		FcmCharHead *fChar=iFxf->chr[chNum];
sl@0: 		if(fChar)
sl@0: 		    {
sl@0: 		    int LastNonBlank=0;
sl@0: 		    int TopCount=0;
sl@0: 		    int MinLeftBlank=fChar->width;
sl@0: 		    int MinRightBlank=0;
sl@0: 		    
sl@0:        	    // DEF102183: Graphics tools fail to build using MS VC8.
sl@0: 		    int row;
sl@0: 		    int x;
sl@0: 		    for(row=0;row<fChar->height;)
sl@0: 			{
sl@0: 				memcpy(buf,iFontSpace+fChar->offset+fChar->ByteWid*row,fChar->ByteWid);
sl@0: 			unsigned char bit=1;
sl@0: 			unsigned char* pb=buf;
sl@0: 			for(x=0;x<MinLeftBlank;x++)
sl@0: 			    {
sl@0: 			    if ((*pb)&bit)
sl@0: 				{
sl@0: 				MinLeftBlank=x;
sl@0: 				break;
sl@0: 				}
sl@0: 			    bit<<=1;
sl@0: 			    if (bit==0)
sl@0: 				{
sl@0: 				bit=1;
sl@0: 				pb++;
sl@0: 				}
sl@0: 			    }
sl@0: 			bit=(unsigned char)(1<<((fChar->width-1)%8));
sl@0: 			pb=&buf[((fChar->width-1)>>3)];
sl@0: 			for(x=fChar->width;x>MinRightBlank;x--)
sl@0: 			    {
sl@0: 			    if ((*pb)&bit)
sl@0: 				{
sl@0: 				MinRightBlank=x;
sl@0: 				break;
sl@0: 				}
sl@0: 			    bit>>=1;
sl@0: 			    if (bit==0)
sl@0: 				{
sl@0: 				bit=unsigned char(0x80);
sl@0: 				pb--;
sl@0: 				}
sl@0: 			    }
sl@0: 			row++;
sl@0: 				if(memcmp(zbuf,buf,fChar->ByteWid))
sl@0: 			    {
sl@0: 			    if (TopCount==0)
sl@0: 				TopCount=row;   /* Count of blank rows at the top */
sl@0: 			    LastNonBlank=row;
sl@0: 			    }
sl@0: 			}
sl@0: 		    if (TopCount==0)
sl@0: 			{
sl@0: 			fChar->height=0;
sl@0: 			fChar->width=0;
sl@0: 			fChar->xOffset=0;
sl@0: 			fChar->yOffset=0;
sl@0: 			}
sl@0: 		    else
sl@0: 			{
sl@0: 			TopCount--;
sl@0: 			fChar->height=LastNonBlank-TopCount;
sl@0: 			fChar->width=MinRightBlank-MinLeftBlank;
sl@0: 			fChar->yOffset-=TopCount;
sl@0: 			fChar->offset+=TopCount*fChar->ByteWid;
sl@0: 			fChar->xOffset+=MinLeftBlank;
sl@0: 			if (MinLeftBlank)
sl@0: 			    {
sl@0: 			    int byte_step=MinLeftBlank/8;
sl@0: 			    int bit_shift=MinLeftBlank%8;
sl@0: 			    unsigned char mask=(unsigned char)(0xFF>>(7-((fChar->width-1)%8)));
sl@0: 			    for(row=0;row<fChar->height;row++)
sl@0: 						{
sl@0: 						memcpy(buf,iFontSpace+fChar->offset+fChar->ByteWid*row,fChar->ByteWid);
sl@0: 						for(x=0;x<(fChar->ByteWid-byte_step);x++)
sl@0: 							buf[x]=(unsigned char)((buf[x+byte_step]>>bit_shift)+
sl@0: 								(buf[x+byte_step+1]<<(8-bit_shift)));
sl@0: 						buf[x-1]&=mask;
sl@0: 						memcpy(iFontSpace+fChar->offset+fChar->ByteWid*row,buf,fChar->ByteWid);
sl@0: 						}
sl@0: 			    }
sl@0: 			}
sl@0: 		    }
sl@0: 		}
sl@0: 	}
sl@0: