t1info.c

远程桌面连接工具

    if (minchar.characterWidth == maxchar.characterWidth)
	Vals->width = minchar.characterWidth * 10;
 
    pInfo->maxbounds = maxchar;
    pInfo->minbounds = minchar;
    pInfo->ink_maxbounds = maxchar;
    pInfo->ink_minbounds = minchar;
    pInfo->maxOverlap = maxlap + -(minchar.leftSideBearing);
 
    /* Set the pInfo flags */
    /* Properties set by FontComputeInfoAccelerators:
        pInfo->noOverlap;
        pInfo->terminalFont;
        pInfo->constantMetrics;
        pInfo->constantWidth;
        pInfo->inkInside;
 
    */
    FontComputeInfoAccelerators (pInfo);
}
 
static void
ComputeProps(pInfo, Vals, Filename, sAscent, sDescent)
    FontInfoPtr         pInfo;
    FontScalablePtr     Vals;
    char                *Filename;
    long		*sAscent;
    long		*sDescent;
{
    int infoint;
    int infoBBox[4];
    int rc;
 
    QueryFontLib(Filename, "isFixedPitch", &infoint, &rc);
    if (!rc) {
        pInfo->constantWidth = infoint;
    }
    QueryFontLib((char *)0, "FontBBox", infoBBox, &rc);
    if (!rc) {
	pInfo->fontAscent =
	    (int)((double)infoBBox[3] * Vals->pixel_matrix[3] +
		  (infoBBox[3] > 0 ? 500 : -500)) / 1000;
	pInfo->fontDescent =
	    -(int)((double)infoBBox[1] * Vals->pixel_matrix[3] +
		   (infoBBox[1] > 0 ? 500 : -500)) / 1000;
	*sAscent = infoBBox[3];
	*sDescent = -infoBBox[1];
    }
}
 
static void
ComputeStdProps(pInfo, Vals, Filename, Fontname, sAscent, sDescent, sWidth)
    FontInfoPtr         pInfo;
    FontScalablePtr     Vals;
    char                *Filename;
    char                *Fontname;
    long		sAscent;
    long		sDescent;
    long		sWidth;
{
    FontPropPtr pp;
    int         i,
                nprops;
    fontProp   *fpt;
    char       *is_str;
    char       *ptr1,
               *ptr2;
    char       *ptr3;
    char *infostrP;
    long rc;
    char      scaledName[MAXFONTNAMELEN];
 
    strcpy (scaledName, Fontname);
    /* Fill in our copy of the fontname from the Vals structure */
    FontParseXLFDName (scaledName, Vals, FONT_XLFD_REPLACE_VALUE);
 
    /* This form of the properties is used by the X-client; the X-server
       doesn't care what they are. */
    nprops = pInfo->nprops = NPROPS;
    pInfo->isStringProp = (char *) xalloc(sizeof(char) * nprops);
    pInfo->props = (FontPropPtr) xalloc(sizeof(FontPropRec) * nprops);
    if (!pInfo->isStringProp || !pInfo->props) {
        xfree(pInfo->isStringProp);
        pInfo->isStringProp = (char *) 0;
        xfree(pInfo->props);
        pInfo->props = (FontPropPtr) 0;
        return;
    }
    bzero(pInfo->isStringProp, (sizeof(char) * nprops));
 
    ptr2 = scaledName;
    for (i = NNAMEPROPS, pp = pInfo->props, fpt = fontNamePropTable, is_str = pInfo->isStringProp;
            i;
            i--, pp++, fpt++, is_str++) {

	if (*ptr2)
	{
	    ptr1 = ptr2 + 1;
	    if (!(ptr2 = strchr(ptr1, '-'))) ptr2 = strchr(ptr1, '\0');
	}

        pp->name = fpt->atom;
        switch (fpt->type) {
         case atom:  /* Just copy info from scaledName */
            *is_str = TRUE;
            pp->value = MakeAtom(ptr1, ptr2 - ptr1, TRUE);
            break;
	case truncate_atom:
            *is_str = TRUE;
	    for (ptr3 = ptr1; *ptr3; ptr3++)
		if (*ptr3 == '[')
		    break;
	    pp->value = MakeAtom(ptr1, ptr3 - ptr1, TRUE);
	    break;
         case pixel_size:
            pp->value = (int)(fabs(Vals->pixel_matrix[3]) + .5);
            break;
         case point_size:
            pp->value = (int)(fabs(Vals->point_matrix[3]) * 10.0 + .5);
            break;
         case resolution_x:
            pp->value = Vals->x;
            break;
         case resolution_y:
            pp->value = Vals->y;
            break;
         case average_width:
            pp->value = Vals->width;
            break;
        }
    }
 
    for (i = 0, fpt = extraProps;
          i < NEXTRAPROPS;
          i++, is_str++, pp++, fpt++) {
        pp->name = fpt->atom;
        switch (i) {
         case FONTPROP:
            *is_str = TRUE;
            pp->value = MakeAtom(scaledName, strlen(scaledName), TRUE);
            break;
         case COPYRIGHTPROP:
            *is_str = TRUE;
            QueryFontLib(Filename, "Notice", &infostrP, &rc);
            if (rc || !infostrP) {
                infostrP = "Copyright Notice not available";
            }
            pp->value = MakeAtom(infostrP, strlen(infostrP), TRUE);
            break;
         case FACE_NAMEPROP:
            *is_str = TRUE;
            QueryFontLib(Filename, "FontName", &infostrP, &rc);
            if (rc || !infostrP) {
                infostrP = "(unknown)"; 
            }
            pp->value = MakeAtom(infostrP, strlen(infostrP), TRUE);
            break;
         case RAWPIXELPROP:
            *is_str = FALSE;
            pp->value = 1000;
	    break;
         case RAWPOINTPROP:
            *is_str = FALSE;
            pp->value = (long)(72270.0 / (double)Vals->y + .5);
	    break;
         case RAWASCENTPROP:
            *is_str = FALSE;
            pp->value = sAscent;
	    break;
         case RAWDESCENTPROP:
            *is_str = FALSE;
            pp->value = sDescent;
	    break;
         case RAWWIDTHPROP:
            *is_str = FALSE;
            pp->value = sWidth;
	    break;
        }
    }
}
 
/*ARGSUSED*/
int
Type1GetInfoScalable(fpe, pInfo, entry, fontName, fileName, Vals)
    FontPathElementPtr  fpe;
    FontInfoPtr         pInfo;
    FontEntryPtr        entry;
    FontNamePtr         fontName;
    char                *fileName;
    FontScalablePtr     Vals;
{
    FontPtr pfont;
    int flags = 0;
    long format = 0;  /* It doesn't matter what format for just info */
    long fmask = 0;
    int ret;
 
    ret = Type1OpenScalable(fpe, &pfont, flags, entry, fileName, Vals, format, fmask);
    if (ret != Successful)
	return ret;
    *pInfo = pfont->info;

    /* XXX - Set pointers in pfont->info to NULL so they are not freed. */
    pfont->info.props = NULL;
    pfont->info.isStringProp = NULL;

    Type1CloseFont(pfont);
    return Successful;
}
 
void
T1FillFontInfo(pFont, Vals, Filename, Fontname, sWidth)
    FontPtr             pFont;
    FontScalablePtr     Vals;
    char                *Filename;
    char                *Fontname;
    long		sWidth;
{
    FontInfoPtr         pInfo = &pFont->info;
    struct type1font *p = (struct type1font *)pFont->fontPrivate;
    long sAscent, sDescent;	/* Scalable 1000-pixel values */
 
    FillHeader(pInfo, Vals);
 
    ComputeBounds(pInfo, p->glyphs, Vals);
 
    ComputeProps(pInfo, Vals, Filename, &sAscent, &sDescent);
    ComputeStdProps(pInfo, Vals, Filename, Fontname, sAscent, sDescent, sWidth);
}
 
/* Called once, at renderer registration time */
void
T1InitStdProps()
{
    int         i;
    fontProp   *t;
 
    i = sizeof(fontNamePropTable) / sizeof(fontProp);
    for (t = fontNamePropTable; i; i--, t++)
        t->atom = MakeAtom(t->name, (unsigned) strlen(t->name), TRUE);
    i = sizeof(extraProps) / sizeof(fontProp);
    for (t = extraProps; i; i--, t++)
        t->atom = MakeAtom(t->name, (unsigned) strlen(t->name), TRUE);
}