Rev 8103 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 10 | reyssat | 1 | /* Copyright (C) 2002-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis |
| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 17 | |||
| 18 | /* dvi 2 gif driver, tfm loader */ |
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| 8103 | bpr | 19 | #include "texgif.h" |
| 10 | reyssat | 20 | |
| 8103 | bpr | 21 | struct tfm tfm; |
| 10 | reyssat | 22 | |
| 23 | short int tfmhd[12]; |
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| 24 | |||
| 25 | #define tfmlf tfmhd[0] |
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| 26 | #define tfmlh tfmhd[1] |
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| 27 | #define tfmbc tfmhd[2] |
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| 28 | #define tfmec tfmhd[3] |
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| 29 | #define tfmnw tfmhd[4] |
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| 30 | #define tfmnh tfmhd[5] |
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| 31 | #define tfmnd tfmhd[6] |
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| 32 | #define tfmni tfmhd[7] |
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| 33 | #define tfmnl tfmhd[8] |
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| 34 | #define tfmnk tfmhd[9] |
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| 35 | #define tfmne tfmhd[10] |
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| 36 | #define tfmnp tfmhd[11] |
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| 37 | |||
| 38 | void loadtfm(char *fname) |
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| 39 | { |
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| 40 | int i, k, t, len, charcnt; |
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| 41 | char namebuf[1024]; |
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| 1818 | bpr | 42 | int32_t *wpbase; |
| 43 | int32_t *headp, *fp, *fip, *wp, *hp, *dp; |
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| 10 | reyssat | 44 | unsigned char *tfmbuf, *ftp; |
| 45 | |||
| 46 | memset(&tfm,0,sizeof(tfm)); |
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| 47 | snprintf(namebuf,sizeof(namebuf),"%s/%s.tfm",tmpdir,fname); |
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| 48 | call_sh("cp `kpsewhich %s.tfm` %s",fname,tmpdir); |
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| 49 | len=getfile(namebuf,&tfmbuf); unlink(namebuf); |
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| 50 | if(len<0) { |
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| 8195 | bpr | 51 | texgif_error("Error reading tfm file."); |
| 10 | reyssat | 52 | } |
| 53 | for(i=0;i<12;i++) tfmhd[i]=texint(tfmbuf+2*i,2); |
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| 54 | tfm.bc=tfmbc; tfm.ec=tfmec; |
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| 55 | charcnt=tfmec-tfmbc+1; |
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| 56 | if(charcnt<=0) return; |
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| 1818 | bpr | 57 | wpbase=(int32_t *) tfmbuf; |
| 10 | reyssat | 58 | headp=wpbase+6; /* header */ |
| 59 | fp=headp+tfmlh; /* font info */ |
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| 60 | wp=fp+charcnt; /* width table */ |
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| 61 | hp=wp+tfmnw; /* height table */ |
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| 62 | dp=hp+tfmnh; /* depth table */ |
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| 63 | tfm.checksum=headp[0]; |
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| 64 | tfm.designsize=texint(headp+1,4); |
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| 65 | for(i=0, t=tfmbc;i<charcnt; i++,t++) { |
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| 66 | fip=fp+i; ftp=(unsigned char *) fip; |
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| 67 | k=*ftp; tfm.f[t].w=texint(wp+k,4); ftp++; |
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| 68 | k=((*ftp)>>4)&15; tfm.f[t].h=texint(hp+k,4); |
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| 69 | k=(*ftp)&15; tfm.f[t].d=texint(dp+k,4); |
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| 70 | } |
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| 71 | free(tfmbuf); |
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| 72 | } |
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| 73 |