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Annotation of researchv10dc/cmd/bcp/font.h, revision 1.1.1.1

1.1       root        1: /* Copyright (c) 1989, 1990 AT&T --- All Rights Reserved.              */
                      2: /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T.                */
                      3: /* The copyright notice does not imply actual or intended publication. */
                      4: /* AUTHORS:                                            */
                      5: /*     H. S. Baird - ATT-BL MH - first versions        */
                      6: /* font.h - typedefs, etc for font-characteristic functions:
                      7:    The baseline is defined by the locus of bottoms of all characters that
                      8:    have no descenders and are not punctuation.
                      9:    The top is the top of characters without risers (negative).
                     10:    The `rise' is the (negative) height of risers (above baseline), and `descent'
                     11:    is the positive) distance below baseline.
                     12:     */
                     13: 
                     14: /* font attributes, in absolute scanner coordinates */
                     15: typedef struct FontAttr {
                     16:        Scoor body;             /* point size */
                     17:        Scoor xhgt;             /* x-height */
                     18:        Scoor ascd;             /* height of ascenders (above xheight, >0) */
                     19:        Scoor caph;             /* capital height (above baseline, >0) */
                     20:        Scoor desc;             /* height of descenders (below baseline, >0) */
                     21:        Scoor doth;             /* height of punctuation dots */
                     22:        } FontAttr;
                     23: 
                     24: #ifdef MAIN
                     25: FontAttr *ps_to_attr();        /* pointsize, digit'n resol'n --> attributes */
                     26: xhgt_to_ps();
                     27: caph_to_ps();
                     28: #endif

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