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