585 lines
12 KiB
C++
585 lines
12 KiB
C++
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/*
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* Win3.1J EUDC fontfile i/o ( MS-Code base)
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*
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* Copyright (c) 1997-1999 Microsoft Corporation.
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*/
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#include "stdafx.h"
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#pragma pack(2)
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#include "extfunc.h"
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/*
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File Structure */
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struct W31_Header {
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char identify[72];
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short segCnt; /* ??? */
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unsigned short sCode,
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eCode;
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short cCnt;
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long ofsCmap;
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short sizCmap;
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long ofsFil;
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short sizFil;
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long ofsStbl; /* search tbl*/
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short sizStbl;
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long ofsBdatSub;
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};
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struct BDatSubTbl {
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long tail;
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long ptrOfs;
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long head;
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short filler2;
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/* Following Pointer tbl. */
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};
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struct BMPHeader {
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long bitmapSiz;
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short xsiz, ysiz;
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};
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#define EUDCCODEBASE ((unsigned short)0xe000)
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int OpenW31JBMP(TCHAR *path,int omd);
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int CloseW31JBMP(void);
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int isW31JEUDCBMP(TCHAR *path);
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int GetW31JBMPnRecs(int *nRec, int *nGlyph, int *xsiz, int *ysiz);
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int GetW31JBMPMeshSize( int *xsiz, int *ysiz);
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static int readcmap(void);
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static int rectocode(int rec,unsigned short *code);
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static int searchCode(unsigned short code);
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int GetW31JBMP(unsigned short code,LPBYTE buf,int bufsiz,int *xsiz,int *ysiz);
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int GetW31JBMPRec(int rec,LPBYTE buf,int bufsiz,int *xsiz,int *ysiz,unsigned short *code);
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int PutW31JBMPRec(int rec,LPBYTE buf,int xsiz,int ysiz);
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static int ReadBMPHdr(HANDLE hdl,long ofs,struct BMPHeader *bhdr);
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static int WriteBMPHdr(HANDLE hdl,long ofs,struct BMPHeader *bhdr);
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static int init = 0;
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static HANDLE fHdl;
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struct W31_Header hdr;
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struct BDatSubTbl bdTbl;
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static int rwmode = 0;
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static long *ofstbl=0;
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static unsigned short *cmap=0;
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static int *recordTbl=0;
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/***************************************************************
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* Initialize
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*/
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/* */ int
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/* */ OpenW31JBMP( TCHAR *path, int omd)
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/*
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* returns : 0, -1
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***************************************************************/
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{
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int msiz;
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DWORD nByte;
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BOOL res;
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/* open EUDC Font File */
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rwmode = omd ? 1 : 0;
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fHdl = CreateFile(path,
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omd==0 ? GENERIC_READ : GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if ( fHdl == INVALID_HANDLE_VALUE)
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return -1;
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/* Read Header */
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res = ReadFile( fHdl, (LPBYTE)&hdr, sizeof(struct W31_Header), &nByte, NULL);
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if (!res || nByte !=sizeof(struct W31_Header))
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goto ERET;
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//
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// WinSE #13986,
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// In Win9x, character number could be well over 1880,
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// EUDC EUF file will be trashed if we limit character number to 1880
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//
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/*
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if( hdr.cCnt > 1880)
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hdr.cCnt = 1880;
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*/
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/* allocate ofs. tbl. */
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msiz = hdr.cCnt*sizeof(long);
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if ((ofstbl = (long *)malloc( msiz))==(long *)0)
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goto ERET;
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/* Read Ofs. tbl.*/
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if ( (long) SetFilePointer( fHdl, hdr.ofsBdatSub, NULL, FILE_BEGIN)!=hdr.ofsBdatSub)
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goto ERET;
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res = ReadFile( fHdl, (LPBYTE)&bdTbl, sizeof(bdTbl), &nByte, NULL);
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if (!res || nByte !=sizeof(bdTbl))
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goto ERET;
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res = ReadFile( fHdl, (LPBYTE)ofstbl, (unsigned int)msiz, &nByte, NULL);
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if (!res || nByte !=(unsigned int)msiz)
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goto ERET;
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init = 1;
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/*
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if (fHdl != INVALID_HANDLE_VALUE)
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{
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CloseHandle(fHdl);
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fHdl = INVALID_HANDLE_VALUE;
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}
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*/
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return 0;
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ERET:
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if (fHdl != INVALID_HANDLE_VALUE)
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{
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CloseHandle (fHdl);
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fHdl = INVALID_HANDLE_VALUE;
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}
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if (ofstbl)
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{
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free( ofstbl);
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ofstbl = 0;
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}
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return -1;
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}
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/***************************************************************
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* Terminate Close
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*/
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/* */ int
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/* */ CloseW31JBMP()
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/*
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* returns : none
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***************************************************************/
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{
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unsigned int siz;
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DWORD nByte;
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BOOL res;
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if ( rwmode>=1) {
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/* update ofstbl*/
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if ((long) SetFilePointer( fHdl, hdr.ofsBdatSub, NULL, FILE_BEGIN)!=hdr.ofsBdatSub)
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goto ERET;
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res = WriteFile( fHdl, (LPBYTE)&bdTbl, sizeof( bdTbl), &nByte, NULL);
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if (!res || nByte !=sizeof(bdTbl))
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goto ERET;
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siz = (unsigned int)hdr.cCnt*sizeof(long);
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res = WriteFile( fHdl, (LPBYTE)ofstbl, siz, &nByte, NULL);
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if (!res || nByte !=siz)
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goto ERET;
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}
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if ( fHdl !=INVALID_HANDLE_VALUE) {
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CloseHandle( fHdl);
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fHdl = INVALID_HANDLE_VALUE;
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}
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if ( ofstbl) {
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free(ofstbl);
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ofstbl = 0;
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}
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if ( cmap) {
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free(cmap);
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cmap = 0;
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}
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if ( recordTbl) {
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free(recordTbl);
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recordTbl = 0;
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}
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init = 0;
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return 0;
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ERET:
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return -1;
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}
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/***************************************************************
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* is Win3.1J EUDC bitmap
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*/
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/* */ int
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/* */ isW31JEUDCBMP( TCHAR *path)
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/*
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* returns : 0 (other), 1 (EUDC bitmap), -1(error)
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***************************************************************/
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{
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HANDLE fhdl;
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struct W31_Header hdr;
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DWORD nByte;
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BOOL res;
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fhdl = CreateFile(path,
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GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if ( fhdl == INVALID_HANDLE_VALUE)
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return -1;
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res = ReadFile( fhdl, (LPBYTE)&hdr, sizeof(hdr), &nByte, NULL);
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if (!res || nByte !=sizeof(hdr))
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goto NO_WIN31J;
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CloseHandle( fhdl);
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fhdl = INVALID_HANDLE_VALUE;
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/* compare idendify leading 16 byte, sCode, eCode and cCnt*/
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if (memcmp( hdr.identify, "WINEUDC2Standard", 16))
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goto NO_WIN31J;
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#if 0
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if ( hdr.sCode != 0x40f0 || hdr.eCode != 0xfcf9 || hdr.cCnt != 1880)
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#endif
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if( hdr.sCode != 0x40f0)
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goto NO_WIN31J;
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return 1;
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NO_WIN31J:
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if (fhdl != INVALID_HANDLE_VALUE)
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{
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CloseHandle(fhdl);
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fhdl = INVALID_HANDLE_VALUE;
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}
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return 0;
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}
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/***************************************************************
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* Get number of records
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*/
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/* */ int
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/* */ GetW31JBMPnRecs( int *nRec, int *nGlyph, int *xsiz, int *ysiz)
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/*
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* returns : 0, -1
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***************************************************************/
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{
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struct BMPHeader fhdr;
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long ofs;
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BOOL bFirst;
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int rec;
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int gc;
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DWORD nByte;
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BOOL res;
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bFirst = FALSE;
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if ( init==0 || fHdl == INVALID_HANDLE_VALUE)
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return -1;
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else {
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gc = 0;
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for ( rec = 0; rec < (int)hdr.cCnt; rec++) {
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if( *(ofstbl+rec)){
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if( !bFirst){
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ofs = *(ofstbl+rec);
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ofs += hdr.ofsBdatSub;
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if ( (DWORD) SetFilePointer( fHdl,ofs, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
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{
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DWORD dwErr = GetLastError();
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goto ERET;
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}
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res = ReadFile( fHdl, (LPBYTE)&fhdr,
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sizeof(struct BMPHeader), &nByte, NULL);
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if (!res || nByte != sizeof( struct BMPHeader))
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goto ERET;
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bFirst = TRUE;
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}
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gc++;
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}
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}
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*nRec = (int)hdr.cCnt;
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*nGlyph = gc;
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*xsiz = fhdr.xsiz;
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*ysiz = fhdr.ysiz;
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return 0;
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}
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ERET:
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return( -1);
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}
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static int
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readcmap()
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{
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unsigned int msiz;
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DWORD nByte;
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BOOL res;
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msiz = (unsigned int)hdr.cCnt*sizeof(unsigned short);
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if ((cmap = (unsigned short*)malloc(msiz))==(unsigned short *)0)
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goto ERET;
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if ((long) SetFilePointer( fHdl, hdr.ofsCmap, NULL, FILE_BEGIN)!=hdr.ofsCmap)
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goto ERET;
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res = ReadFile( fHdl, (LPBYTE)cmap, msiz, &nByte, NULL);
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if (!res || nByte !=msiz)
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goto ERET;
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return 0;
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ERET:
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return -1;
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}
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static int
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rectocode( int rec, unsigned short *code)
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{
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if ( cmap==0) {
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if (readcmap())
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return -1;
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}
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*code = *(cmap+rec);
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return 0;
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}
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static int
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searchCode( unsigned short code)
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{
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int high, low, mid;
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if ( cmap==(unsigned short *)0) {
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if (readcmap())
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goto ERET;
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}
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high = hdr.cCnt-1;
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low = 0;
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while ( high >= low) {
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mid = (high+low)/2;
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if ( *(cmap+mid)==code)
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return mid;
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else if ( *(cmap+mid)>code)
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high = mid-1;
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else
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low = mid+1;
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}
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ERET:
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return -1;
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}
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/***************************************************************
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* Read Bitmap by code number
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*/
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/* */ int
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/* */ GetW31JBMP(
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/* */ unsigned short code, /* code Number */
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/* */ LPBYTE buf, /* buffer to set bitmap */
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/* */ int bufsiz, /* Buffer Size */
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/* */ int *xsiz, /* Bitmap X,Ysiz */
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/* */ int *ysiz)
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/*
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* returns : >=0, -1
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***************************************************************/
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{
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int rec;
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int sts;
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unsigned short rcode;
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/* search code */
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if ( (rec = searchCode( code)) <0)
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return -1;
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else {
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sts = GetW31JBMPRec( rec, buf, bufsiz, xsiz, ysiz, &rcode);
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return sts;
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}
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}
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/****************************************/
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/* */
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/* Get W31JEUDC's Bmp Mesh Size */
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/* */
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/****************************************/
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int
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GetW31JBMPMeshSize(
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int *xsiz,
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int *ysiz)
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{
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long ofs;
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struct BMPHeader fhdr;
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int bmpsiz;
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|
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DWORD nByte;
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BOOL res;
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if (init==0)
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return -1;
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ofs = *(ofstbl);
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if ( ofs==0L)
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return 0;
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ofs += hdr.ofsBdatSub;
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if ( (long) SetFilePointer(fHdl, ofs, NULL, FILE_BEGIN)!=ofs)
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goto ERET;
|
||
|
|
res = ReadFile( fHdl, (LPBYTE)&fhdr, sizeof(struct BMPHeader), &nByte, NULL);
|
||
|
|
if (!res || nByte != sizeof( struct BMPHeader))
|
||
|
|
goto ERET;
|
||
|
|
|
||
|
|
*xsiz = fhdr.xsiz;
|
||
|
|
*ysiz = fhdr.ysiz;
|
||
|
|
bmpsiz = ((int)fhdr.xsiz+15)/16 *2 * (int)fhdr.ysiz;
|
||
|
|
|
||
|
|
return bmpsiz;
|
||
|
|
ERET:
|
||
|
|
return (-1);
|
||
|
|
}
|
||
|
|
/***************************************************************
|
||
|
|
* Read Bitmap by record number
|
||
|
|
*/
|
||
|
|
/* */ int
|
||
|
|
/* */ GetW31JBMPRec(
|
||
|
|
/* */ int rec, /* Record Number */
|
||
|
|
/* */ LPBYTE buf, /* buffer to set bitmap */
|
||
|
|
/* */ int bufsiz, /* Buffer Size */
|
||
|
|
/* */ int *xsiz, /* Bitmap X,Ysiz */
|
||
|
|
/* */ int *ysiz,
|
||
|
|
/* */ unsigned short *code)
|
||
|
|
/*
|
||
|
|
* returns : bitmapsiz >=0, -1
|
||
|
|
***************************************************************/
|
||
|
|
{
|
||
|
|
long ofs;
|
||
|
|
struct BMPHeader fhdr;
|
||
|
|
int bmpsiz;
|
||
|
|
int rdsiz;
|
||
|
|
DWORD nByte;
|
||
|
|
BOOL res;
|
||
|
|
|
||
|
|
if (init==0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
ofs = *(ofstbl+rec);
|
||
|
|
if ( ofs==0L)
|
||
|
|
return 0;
|
||
|
|
ofs += hdr.ofsBdatSub;
|
||
|
|
|
||
|
|
/* read Bitmap Header
|
||
|
|
bitmap is Word aligned */
|
||
|
|
if ( (long) SetFilePointer( fHdl, ofs, NULL, FILE_BEGIN)!=ofs)
|
||
|
|
goto ERET;
|
||
|
|
res = ReadFile( fHdl, (LPBYTE)&fhdr, sizeof(struct BMPHeader), &nByte, NULL);
|
||
|
|
if (!res || nByte != sizeof( struct BMPHeader))
|
||
|
|
goto ERET;
|
||
|
|
|
||
|
|
bmpsiz = ((int)fhdr.xsiz+15)/16 *2 * (int)fhdr.ysiz;
|
||
|
|
/* Read Bitmap Body */
|
||
|
|
rdsiz = bmpsiz > bufsiz ? bufsiz : bmpsiz;
|
||
|
|
if ( rdsiz > 0) {
|
||
|
|
res = ReadFile( fHdl, buf, (unsigned int)rdsiz, &nByte, NULL);
|
||
|
|
if (!res || nByte !=(unsigned int)rdsiz)
|
||
|
|
goto ERET;
|
||
|
|
}
|
||
|
|
*xsiz = fhdr.xsiz;
|
||
|
|
*ysiz = fhdr.ysiz;
|
||
|
|
if ( rectocode( rec, code))
|
||
|
|
goto ERET;
|
||
|
|
return bmpsiz;
|
||
|
|
ERET:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
/***************************************************************
|
||
|
|
* Write Bitmap by record number
|
||
|
|
*/
|
||
|
|
/* */ int
|
||
|
|
/* */ PutW31JBMPRec(
|
||
|
|
/* */ int rec, /* Record Number */
|
||
|
|
/* */ LPBYTE buf, /* buffer to set bitmap */
|
||
|
|
/* */ int xsiz, /* Bitmap X,Ysiz */
|
||
|
|
/* */ int ysiz)
|
||
|
|
/*
|
||
|
|
* returns : 0, -1
|
||
|
|
***************************************************************/
|
||
|
|
{
|
||
|
|
long ofs;
|
||
|
|
struct BMPHeader fhdr;
|
||
|
|
int bmpsiz;
|
||
|
|
unsigned int wbmpsiz;
|
||
|
|
DWORD nByte;
|
||
|
|
BOOL res;
|
||
|
|
|
||
|
|
if (init==0)
|
||
|
|
return -1;
|
||
|
|
else if ( rwmode==0)
|
||
|
|
return -1;
|
||
|
|
rwmode = 2;
|
||
|
|
wbmpsiz = (unsigned int) ((xsiz+15)/16 *2 * ysiz);
|
||
|
|
ofs = *(ofstbl+rec);
|
||
|
|
if ( ofs != 0L) {
|
||
|
|
/* read Bitmap Header
|
||
|
|
bitmap is Word aligned */
|
||
|
|
if ( ReadBMPHdr( fHdl, ofs, &fhdr))
|
||
|
|
goto ERET;
|
||
|
|
|
||
|
|
bmpsiz = ((int)fhdr.xsiz+15)/16 *2 * (int)fhdr.ysiz;
|
||
|
|
if ( bmpsiz<(int)wbmpsiz)
|
||
|
|
ofs = 0L;
|
||
|
|
}
|
||
|
|
if ( ofs == 0L)
|
||
|
|
ofs = bdTbl.tail;
|
||
|
|
|
||
|
|
/* Write Bitmap Header */
|
||
|
|
fhdr.xsiz = (short)xsiz;
|
||
|
|
fhdr.ysiz = (short)ysiz;
|
||
|
|
fhdr.bitmapSiz = wbmpsiz+sizeof(fhdr);
|
||
|
|
|
||
|
|
if ( WriteBMPHdr( fHdl, ofs, &fhdr))
|
||
|
|
goto ERET;
|
||
|
|
|
||
|
|
/* Write Bitmap Body */
|
||
|
|
res = WriteFile( fHdl, buf, wbmpsiz, &nByte, NULL);
|
||
|
|
if (!res || nByte !=wbmpsiz)
|
||
|
|
goto ERET;
|
||
|
|
|
||
|
|
/* write bitmap ptr on subTable */
|
||
|
|
*(ofstbl+rec) = ofs;
|
||
|
|
|
||
|
|
bdTbl.tail = ofs + wbmpsiz+sizeof(fhdr);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
ERET:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
static int
|
||
|
|
ReadBMPHdr( HANDLE hdl, long ofs, struct BMPHeader *bhdr)
|
||
|
|
{
|
||
|
|
DWORD nByte;
|
||
|
|
BOOL res;
|
||
|
|
|
||
|
|
ofs += hdr.ofsBdatSub;
|
||
|
|
if ( (long) SetFilePointer( hdl, ofs, NULL, FILE_BEGIN)!=ofs)
|
||
|
|
goto ERET;
|
||
|
|
res = ReadFile( hdl, (LPBYTE) bhdr, sizeof( struct BMPHeader), &nByte, NULL);
|
||
|
|
if (!res || nByte !=sizeof( struct BMPHeader))
|
||
|
|
goto ERET;
|
||
|
|
return 0;
|
||
|
|
ERET:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
static int
|
||
|
|
WriteBMPHdr( HANDLE hdl, long ofs, struct BMPHeader *bhdr)
|
||
|
|
{
|
||
|
|
DWORD nByte;
|
||
|
|
BOOL res;
|
||
|
|
ofs += hdr.ofsBdatSub;
|
||
|
|
if ( (long) SetFilePointer( hdl, ofs, NULL, FILE_BEGIN)!=ofs)
|
||
|
|
goto ERET;
|
||
|
|
res = WriteFile(hdl, (LPBYTE )bhdr, sizeof( struct BMPHeader), &nByte, NULL);
|
||
|
|
if (!res || nByte !=sizeof( struct BMPHeader))
|
||
|
|
goto ERET;
|
||
|
|
return 0;
|
||
|
|
ERET:
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
W31JrecTbl( int **recTbl, BOOL bIsWin95EUDC)
|
||
|
|
{
|
||
|
|
int rec;
|
||
|
|
int *tp;
|
||
|
|
unsigned short code;
|
||
|
|
if ( cmap==0) {
|
||
|
|
if (readcmap())
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if ( (tp = (int *)malloc( sizeof(int)*hdr.cCnt))==(int *)0)
|
||
|
|
return -1;
|
||
|
|
for ( rec = 0; rec < hdr.cCnt; rec++) {
|
||
|
|
if ( *(ofstbl + rec)!=0L) {
|
||
|
|
|
||
|
|
code = *(cmap+rec);
|
||
|
|
if (!bIsWin95EUDC)
|
||
|
|
code = sjisToUniEUDC( code);
|
||
|
|
tp[(int)(code - EUDCCODEBASE)] = rec;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
tp[rec] = -1;
|
||
|
|
}
|
||
|
|
*recTbl = recordTbl = tp;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
/* EOF */
|