/* vdmx.c -- Vertical Device Metrics * Copyright (C) 1996 Li-Da Lho, All right reserved */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include "ttf.h" #include "ttfutil.h" /* $Id: vdmx.c,v 1.1.1.1 1998/06/05 07:47:52 robert Exp $ */ static void ttfLoadVDMX(FILE *fp,VDMXPtr vdmx,ULONG offset); void ttfInitVDMX(TTFontPtr font) { ULONG tag = FT_MAKE_TAG ('V', 'D', 'M', 'X'); TableDirPtr ptd; if ((ptd = ttfLookUpTableDir(tag,font)) != NULL) { font->vdmx = XCALLOC1 (VDMX); ttfLoadVDMX(font->fp,font->vdmx,ptd->offset); } } static void ttfLoadVDMX (FILE *fp,VDMXPtr vdmx,ULONG offset) { int i; xfseek(fp, offset, SEEK_SET, "ttfLoadVDMX"); vdmx->version = ttfGetUSHORT(fp); vdmx->numRecs = ttfGetUSHORT(fp); vdmx->numRatios = ttfGetUSHORT(fp); vdmx->ratRange = XCALLOC (vdmx->numRatios, Ratios); for (i=0;inumRatios;i++) { (vdmx->ratRange+i)->CharSet = ttfGetBYTE(fp); (vdmx->ratRange+i)->xRatio = ttfGetBYTE(fp); (vdmx->ratRange+i)->yStartRatio = ttfGetBYTE(fp); (vdmx->ratRange+i)->yEndRatio = ttfGetBYTE(fp); } vdmx->offset = ttfMakeUSHORT (vdmx->numRatios, fp); vdmx->groups = XCALLOC (vdmx->numRecs, Vdmx); for (i=0;inumRecs;i++) { int j; (vdmx->groups+i)->recs = ttfGetUSHORT(fp); (vdmx->groups+i)->startsz = ttfGetBYTE(fp); (vdmx->groups+i)->endsz = ttfGetBYTE(fp); (vdmx->groups+i)->entry = XCALLOC ((vdmx->groups+i)->recs, vTable); for (j=0;j<(vdmx->groups+i)->recs;j++) { ((vdmx->groups+i)->entry+j)->yPelHeight = ttfGetUSHORT(fp); ((vdmx->groups+i)->entry+j)->yMax = ttfGetSHORT(fp); ((vdmx->groups+i)->entry+j)->yMin = ttfGetSHORT(fp); } } } void ttfPrintVDMX(FILE *fp,VDMXPtr vdmx) { int i; fprintf(fp,"'VDMX' Table - Precomputed Vertical Device Metrics\n"); fprintf(fp,"--------------------------------------------------\n"); fprintf(fp,"Version:\t %d\n", vdmx->version); fprintf(fp,"Number of Hgt Records:\t %d\n",vdmx->numRecs); fprintf(fp,"Number of Ratio Records:\t %d\n",vdmx->numRecs); for (i=0;inumRatios;i++) { fprintf(fp,"\t Ratio Record #%d\n",i+1); fprintf(fp,"\t\t CharSetId \t %d\n",(vdmx->ratRange+i)->CharSet); fprintf(fp,"\t\t xRatio \t %d\n",(vdmx->ratRange+i)->xRatio); fprintf(fp,"\t\t yStartRatio \t %d\n",(vdmx->ratRange+i)->yStartRatio); fprintf(fp,"\t\t yEndRatio \t %d\n",(vdmx->ratRange+i)->yEndRatio); fprintf(fp,"\t\t Record Offset %d (group #%d)\n\n",vdmx->offset[i],i); } fprintf(fp,"\t VDMX Height Record Groups\n"); fprintf(fp,"\t -------------------------\n\n"); for (i=0;inumRecs;i++) { int j; fprintf(fp,"\t %d. Number of Hgt Records %d\n",i, (vdmx->groups+i)->recs); fprintf(fp,"\t Starting Y Pel Height %d\n", (vdmx->groups+i)->startsz); fprintf(fp,"\t Ending Y Pel Height %d\n", (vdmx->groups+i)->endsz); for (j=0;j<(vdmx->groups+i)->recs;j++) { fprintf(fp,"\t\t %d. Pel Height= %d\n",j+1, ((vdmx->groups+i)->entry+j)->yPelHeight); fprintf(fp,"\t\t yMax= \t %d\n", ((vdmx->groups+i)->entry+j)->yMax); fprintf(fp,"\t\t yMin= \t %d\n\n", ((vdmx->groups+i)->entry+j)->yMin); } } } void ttfFreeVDMX(VDMXPtr vdmx) { int i; if (vdmx != NULL) { for (i=0;inumRecs;i++) { free((vdmx->groups+i)->entry); } free(vdmx->ratRange); free(vdmx->offset); free(vdmx->groups); free(vdmx); } }