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Annotation of researchv10no/cmd/eqn/font.c, revision 1.1.1.1

1.1       root        1: # include "e.h"
                      2: 
                      3: void setfont(char *ch1)
                      4: {
                      5:        yyval = ft;
                      6:        if (strcmp(ch1, "I") == 0) {    /* I and italic mean merely position 2 */
                      7:                *ch1 = '2';
                      8:                ft = ITAL;
                      9:        } else if (strcmp(ch1, "B") == 0) {     /* and similarly for B & bold */
                     10:                *ch1 = '3';
                     11:                ft = BLD;
                     12:        } else if (strcmp(ch1, "R") == 0) {     /* and R and roman */
                     13:                *ch1 = '1';
                     14:                ft = ROM;
                     15:        } else {
                     16:                ft = ROM;       /* assume it's a roman style */
                     17:        }
                     18:        ftp++;
                     19:        if (ftp >= &ftstack[10])
                     20:                ERROR "font stack overflow (10)" FATAL;
                     21:        ftp->ft = ft;
                     22:        if (ch1[1] == 0) {      /* 1-char name */
                     23:                ftp->name[0] = *ch1;
                     24:                ftp->name[1] = '\0';
                     25:        } else
                     26:                sprintf(ftp->name, "(%s", ch1);
                     27:        dprintf(".\tsetfont %s %c\n", ch1, ft);
                     28: }
                     29: 
                     30: void font(int p1, int p2)
                     31: {
                     32:                /* old font in p1, new in ft */
                     33:        yyval = p2;
                     34:        lfont[yyval] = rfont[yyval] = ft==ITAL ? ITAL : ROM;
                     35:        ftp--;
                     36:        ft = p1;
                     37: }
                     38: 
                     39: void globfont(void)
                     40: {
                     41:        char temp[20];
                     42: 
                     43:        getstr(temp, sizeof(temp));
                     44:        yyval = eqnreg = 0;
                     45:        if (strcmp(temp, "I") == 0 || strncmp(temp, "it", 2) == 0) {
                     46:                ft = ITAL;
                     47:                strcpy(temp, "2");
                     48:        } else if (strcmp(temp, "B") == 0 || strncmp(temp, "bo", 2) == 0) {
                     49:                ft = BLD;
                     50:                strcpy(temp, "3");
                     51:        } else if (strcmp(temp, "R") == 0 || strncmp(temp, "ro", 2) == 0) {
                     52:                ft = ROM;
                     53:                strcpy(temp, "1");
                     54:        } else { 
                     55:                ft = ROM;       /* assume it's a roman style */
                     56:        }
                     57:        ftstack[0].ft = ft;
                     58:        if (temp[1] == 0)       /* 1-char name */
                     59:                strcpy(ftstack[0].name, temp);
                     60:        else
                     61:                sprintf(ftstack[0].name, "(%.2s", temp);
                     62: }
                     63: 
                     64: void fatbox(int p)
                     65: {
                     66:        extern double Fatshift;
                     67: 
                     68:        yyval = p;
                     69:        printf(".ds %d \\*(%d\\h'-\\w'\\*(%d'u+%gm'\\*(%d\n", p, p, p, Fatshift, p);
                     70: }

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