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Diffstat (limited to 'src/Type1/afm.c')
| -rw-r--r-- | src/Type1/afm.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/Type1/afm.c b/src/Type1/afm.c new file mode 100644 index 0000000..960e76f --- /dev/null +++ b/src/Type1/afm.c @@ -0,0 +1,187 @@ +/* Copyright (c) 1994-1999 Silicon Graphics, Inc. All Rights Reserved. + * + * The contents of this file are subject to the CID Font Code Public Licence + * Version 1.0 (the "License"). You may not use this file except in compliance + * with the Licence. You may obtain a copy of the License at Silicon Graphics, + * Inc., attn: Legal Services, 2011 N. Shoreline Blvd., Mountain View, CA + * 94043 or at http://www.sgi.com/software/opensource/cid/license.html. + * + * Software distributed under the License is distributed on an "AS IS" basis. + * ALL WARRANTIES ARE DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED + * WARRANTIES OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR PURPOSE OR OF + * NON-INFRINGEMENT. See the License for the specific language governing + * rights and limitations under the License. + * + * The Original Software is CID font code that was developed by Silicon + * Graphics, Inc. + */ +/* $XFree86: xc/lib/font/Type1/afm.c,v 1.3 2001/08/27 19:49:52 dawes Exp $ */ + +#ifdef BUILDCID +#ifndef FONTMODULE +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#else +#include "Xmd.h" /* For INT32 declaration */ +#include "Xdefs.h" /* For Bool */ +#include "xf86_ansic.h" +#endif +#include "fontmisc.h" /* for xalloc/xfree */ +#include "AFM.h" + +#define PBUF 256 +#define KBUF 20 + +char *gettoken(FILE *); + +static char *afmbuf = NULL; + +char *gettoken(FILE *fd) { + char *bp; + int c, found; + + bp = afmbuf; + found = 0; + + while((c = getc(fd)) != EOF) { + if (found == 0 && (c == ' ' || c == '\t' || c == '\n' || c == '\r' || + c == ';' || c == ',')) continue; + found = 1; + if (c != ' ' && c != '\t' && c != '\n' && c != '\r' && c != ';') { + *bp++ = c; + if (bp - afmbuf >= PBUF) { + bp = afmbuf; + break; + } + } else + break; + } + + *bp = 0; + return(afmbuf); +} + +int CIDAFM(FILE *fd, FontInfo **pfi) { + char *p = 0; + int i, j, k = 0, found = 0; + FontInfo *fi; + + if (fd == NULL || pfi == NULL) return(1); + + *pfi = NULL; + + if ((afmbuf = (char *)xalloc(PBUF)) == NULL) + return(1); + + while(1) { + if (!(p = gettoken(fd))) { + xfree(afmbuf); + return(1); + } + + if (strncmp(p, "StartFontMetrics", 16) == 0) { + if (!(p = gettoken(fd))) { + xfree(afmbuf); + return(1); + } + if (strncmp(p, "4", 1) < 0) { + free(afmbuf); + return(1); + } + found = 1; + } else if (strncmp(p, "StartCharMetrics", 16) == 0) { + if (!found) { + xfree(afmbuf); + return(1); + } + + if (!(p = gettoken(fd))) { + xfree(afmbuf); + return(1); + } + + fi = (FontInfo *)xalloc(sizeof(FontInfo)); + + if (fi == NULL) { + xfree(afmbuf); + return(1); + } + bzero(fi, sizeof(FontInfo)); + + fi->nChars = atoi(p); + + fi->metrics = (Metrics *)xalloc(fi->nChars * + sizeof(Metrics)); + if (fi->metrics == NULL) { + xfree(afmbuf); + xfree(fi); + return(1); + } + + j = 0; + for (i = 0; i < fi->nChars; i++) { + k = 0; + while(1) { + if (!(p = gettoken(fd))) { + k = KBUF; + break; + } + if (strncmp(p, "W0X", 3) == 0) { + if (!(p = gettoken(fd))) { + k = KBUF; + break; + } + fi->metrics[j].wx = atoi(p); + } else if (strncmp(p, "N", 1) == 0) { + if (!(p = gettoken(fd))) { + k = KBUF; + break; + } + fi->metrics[j].code = (long)atoi(p); + } else if (strncmp(p, "B", 1) == 0) { + if (!(p = gettoken(fd))) { + k = KBUF; + break; + } + fi->metrics[j].charBBox.llx = atoi(p); + if (!(p = gettoken(fd))) { + k = KBUF; + break; + } + fi->metrics[j].charBBox.lly = atoi(p); + if (!(p = gettoken(fd))) { + k = KBUF; + break; + } + fi->metrics[j].charBBox.urx = atoi(p); + if (!(p = gettoken(fd))) { + k = KBUF; + break; + } + fi->metrics[j].charBBox.ury = atoi(p); + j++; + break; + } + k++; + if (k >= KBUF) break; + } + if (k >= KBUF) break; + } + if (k >= KBUF || j != fi->nChars) { + xfree(fi->metrics); + xfree(fi); + xfree(afmbuf); + return(1); + } else { + *pfi = fi; + xfree(afmbuf); + return(0); + } + } + } + + xfree(afmbuf); + return(1); +} +#endif |