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Annotation of researchv10no/cmd/post.src/postdaisy/postdaisy.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  *
                      3:  * Definitions used by the PostScript translator for Diablo 1640 files.
                      4:  *
                      5:  * Diablo printers have horizontal and vertical resolutions of 120 and 48 dpi.
                      6:  * We'll use a single resolution of 240 dpi and let the program scale horizontal
                      7:  * and vertical positions by HSCALE and VSCALE.
                      8:  *
                      9:  */
                     10: 
                     11: #define RES            240
                     12: #define HSCALE         2
                     13: #define VSCALE         5
                     14: 
                     15: /*
                     16:  *
                     17:  * HMI is the default character spacing and VMI is the line spacing. Both values
                     18:  * are in terms of the 240 dpi resolution.
                     19:  *
                     20:  */
                     21: 
                     22: #define HMI            (12 * HSCALE)
                     23: #define VMI            (8 * VSCALE)
                     24: 
                     25: /*
                     26:  *
                     27:  * Paper dimensions don't seem to be all that important. They're just used to
                     28:  * set the right and bottom margins. Both are given in terms of the 240 dpi
                     29:  * resolution.
                     30:  *
                     31:  */
                     32: 
                     33: #define LEFTMARGIN     0
                     34: #define RIGHTMARGIN    3168
                     35: #define TOPMARGIN      0
                     36: #define BOTTOMMARGIN   2640
                     37: 
                     38: /*
                     39:  *
                     40:  * ROWS and COLUMNS set the dimensions of the horizontal and vertical tab arrays.
                     41:  * The way I've implemented both kinds of tabs leaves something to be desired, but
                     42:  * it was simple and should be good enough for now. If arrays are going to be used
                     43:  * to mark tab stops I probably should use malloc() to get enough space once the
                     44:  * initial hmi and vmi are know.
                     45:  *
                     46:  */
                     47: 
                     48: #define ROWS           400
                     49: #define COLUMNS                200
                     50: 
                     51: /*
                     52:  *
                     53:  * An array of type Fontmap helps convert font names requested by users into
                     54:  * legitimate PostScript names. The array is initialized using FONTMAP, which must
                     55:  * end with an entry that has NULL defined as its name field.
                     56:  *
                     57:  */
                     58: 
                     59: typedef struct {
                     60:        char    *name;                  /* user's font name */
                     61:        char    *val;                   /* corresponding PostScript name */
                     62: } Fontmap;
                     63: 
                     64: #define FONTMAP                                                                \
                     65:                                                                        \
                     66:        {                                                               \
                     67:            "R", "Courier",                                             \
                     68:            "I", "Courier-Oblique",                                     \
                     69:            "B", "Courier-Bold",                                        \
                     70:            "CO", "Courier",                                            \
                     71:            "CI", "Courier-Oblique",                                    \
                     72:            "CB", "Courier-Bold",                                       \
                     73:            "CW", "Courier",                                            \
                     74:            "PO", "Courier",                                            \
                     75:            "courier", "Courier",                                       \
                     76:            "cour", "Courier",                                          \
                     77:            "co", "Courier",                                            \
                     78:            NULL, NULL                                                  \
                     79:        }
                     80: 
                     81: /*
                     82:  *
                     83:  * Some of the non-integer functions in postdaisy.c.
                     84:  *
                     85:  */
                     86: 
                     87: char   *get_font();
                     88: 

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