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Annotation of researchv10dc/630/include/font.h, revision 1.1

1.1     ! root        1: /*       Copyright (c) 1987 AT&T   */
        !             2: /*       All Rights Reserved       */
        !             3: 
        !             4: /*       THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T   */
        !             5: /*       The copyright notice above does not evidence any      */
        !             6: /*       actual or intended publication of such source code.   */
        !             7: 
        !             8: #include <sccsid.h>
        !             9: HVERSION(font, @(#)font.h      1.1.1.4 (5/10/87));
        !            10: 
        !            11: /*
        !            12:  * <font.h> - Jerq font format
        !            13:  *
        !            14:  * given char c, Font *f, Fontchar *i, and Point p, one says
        !            15:  *     i = f->info+c;
        !            16:  *     bitblt(f->bits,Rect(i->x,i->top,(i+1)->x,i->bottom),
        !            17:  *             b,Pt(p.x+left,p.y),fc);
        !            18:  *     p.x += i->width;
        !            19:  *
        !            20:  */
        !            21: 
        !            22: #ifndef        FONT_H
        !            23: #define        FONT_H
        !            24: 
        !            25: #define FONTWIDTH(font)                ((int)(font.info[' '].width))
        !            26: #define FONTHEIGHT(font)       ((int)(font.height))
        !            27: 
        !            28: typedef struct Fontchar
        !            29: {
        !            30:        short x;                /* left edge of bits */
        !            31:        unsigned char top;      /* first non-zero scan-line */
        !            32:        unsigned char bottom;   /* last non-zero scan-line */
        !            33:        char left;              /* offset of baseline */
        !            34:        unsigned char width;    /* width of baseline */
        !            35: } Fontchar;
        !            36: 
        !            37: typedef struct Font
        !            38: {
        !            39:        short n;                /* number of chars in font */
        !            40:        char height;            /* height of bitmap */
        !            41:        char ascent;            /* top of bitmap to baseline */
        !            42:        long unused;            /* in case we think of more stuff */
        !            43:        Bitmap *bits;           /* where the characters are */
        !            44:        Fontchar info[1];               /* n+1 character descriptors */
        !            45: } Font;
        !            46: 
        !            47: #define ISIZE(n)       ((n+1)*sizeof(Fontchar))
        !            48: #define FCHARSIZE      8
        !            49: Font * getfont();      /* (fname) reads in a font file */
        !            50: Font * infont();       /* (func) makes a font */
        !            51: Font * fontsave();     /* (name,f) copy a font into the available list */
        !            52: Font *  fontrequest(); /* (name) request a font from the available list */
        !            53: Font * fontavail();    /* (name) test if a font is available */
        !            54: 
        !            55: #endif FONT_H

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