| 1 | greg | 1.1 | #ifndef lint | 
| 2 |  |  | static const char       RCSid[] = "$Id$"; | 
| 3 |  |  | #endif | 
| 4 |  |  | /* | 
| 5 |  |  | *  imPfuncs - functional interface to imPress, support for imPfuncs.h | 
| 6 |  |  | * | 
| 7 |  |  | *  Written by William LeFebvre, LCSE, Rice University | 
| 8 |  |  | * | 
| 9 |  |  | *  This program can be freely redistributed to anyone, with the following | 
| 10 |  |  | *  provisions:  that this comment remain intact, and that no money is | 
| 11 |  |  | *  charged or collected for that redistribution. | 
| 12 |  |  | */ | 
| 13 |  |  |  | 
| 14 |  |  | #include <stdio.h> | 
| 15 |  |  | #include <varargs.h> | 
| 16 |  |  | #include "imPcodes.h" | 
| 17 |  |  | #include "imPfuncs.h" | 
| 18 |  |  |  | 
| 19 |  |  | /* commands with byte operands */ | 
| 20 |  |  |  | 
| 21 |  |  | /* im_b(code, b) is defined in imPfuncs.h */ | 
| 22 |  |  |  | 
| 23 |  |  | /* commands with word operands: */ | 
| 24 |  |  |  | 
| 25 |  |  | im_w(code, w) | 
| 26 |  |  |  | 
| 27 |  |  | int code; | 
| 28 |  |  | unsigned int w; | 
| 29 |  |  |  | 
| 30 |  |  | { | 
| 31 |  |  | putc(code, imout); | 
| 32 |  |  | im_putword(w); | 
| 33 |  |  | } | 
| 34 |  |  |  | 
| 35 |  |  | im_www(code, wa, wb, wc) | 
| 36 |  |  |  | 
| 37 |  |  | int code; | 
| 38 |  |  | unsigned int wa; | 
| 39 |  |  | unsigned int wb; | 
| 40 |  |  | unsigned int wc; | 
| 41 |  |  |  | 
| 42 |  |  | { | 
| 43 |  |  | putc(code, imout); | 
| 44 |  |  | im_putword(wa); | 
| 45 |  |  | im_putword(wb); | 
| 46 |  |  | im_putword(wc); | 
| 47 |  |  | } | 
| 48 |  |  |  | 
| 49 |  |  | im_wwwww(code, wa, wb, wc, wd, we) | 
| 50 |  |  |  | 
| 51 |  |  | int code; | 
| 52 |  |  | unsigned int wa; | 
| 53 |  |  | unsigned int wb; | 
| 54 |  |  | unsigned int wc; | 
| 55 |  |  | unsigned int wd; | 
| 56 |  |  | unsigned int we; | 
| 57 |  |  |  | 
| 58 |  |  | { | 
| 59 |  |  | putc(code, imout); | 
| 60 |  |  | im_putword(wa); | 
| 61 |  |  | im_putword(wb); | 
| 62 |  |  | im_putword(wc); | 
| 63 |  |  | im_putword(wd); | 
| 64 |  |  | im_putword(we); | 
| 65 |  |  | } | 
| 66 |  |  |  | 
| 67 |  |  | /* commands with bit operands: */ | 
| 68 |  |  |  | 
| 69 |  |  | im_21(code, b2, b1)             /* pads 5 bits on left */ | 
| 70 |  |  |  | 
| 71 |  |  | unsigned int b2; | 
| 72 |  |  | unsigned int b1; | 
| 73 |  |  |  | 
| 74 |  |  | { | 
| 75 |  |  | putc(code, imout); | 
| 76 |  |  | im_putbyte((b2 << 1) | b1); | 
| 77 |  |  | } | 
| 78 |  |  |  | 
| 79 |  |  | im_223(code, b2a, b2b, b3)      /* pads 1 bit on left */ | 
| 80 |  |  |  | 
| 81 |  |  | unsigned int b2a; | 
| 82 |  |  | unsigned int b2b; | 
| 83 |  |  | unsigned int b3; | 
| 84 |  |  |  | 
| 85 |  |  | { | 
| 86 |  |  | putc(code, imout); | 
| 87 |  |  | im_putbyte((b2a << 5) | (b2b << 3) | b3); | 
| 88 |  |  | } | 
| 89 |  |  |  | 
| 90 |  |  | im_77(code, b7a, b7b)           /* pads 2 bits on left */ | 
| 91 |  |  |  | 
| 92 |  |  | unsigned int b7a; | 
| 93 |  |  | unsigned int b7b; | 
| 94 |  |  |  | 
| 95 |  |  | { | 
| 96 |  |  | putc(code, imout); | 
| 97 |  |  | im_putword((b7a << 7) | b7b); | 
| 98 |  |  | } | 
| 99 |  |  |  | 
| 100 |  |  | im_putstring(string) | 
| 101 |  |  |  | 
| 102 |  |  | char *string; | 
| 103 |  |  |  | 
| 104 |  |  | { | 
| 105 |  |  | fputs(string, imout); | 
| 106 |  |  | im_putbyte(0); | 
| 107 |  |  | } | 
| 108 |  |  |  | 
| 109 |  |  | imCreateFamilyTable(va_alist) | 
| 110 |  |  |  | 
| 111 |  |  | va_dcl | 
| 112 |  |  |  | 
| 113 |  |  | { | 
| 114 |  |  | va_list vars; | 
| 115 |  |  | unsigned int family; | 
| 116 |  |  | unsigned int pairs; | 
| 117 |  |  | unsigned int map_name; | 
| 118 |  |  | char         *font_name; | 
| 119 |  |  |  | 
| 120 |  |  | va_start(vars); | 
| 121 |  |  |  | 
| 122 |  |  | /* first arguments are:  family, pairs */ | 
| 123 |  |  | family = va_arg(vars, unsigned int); | 
| 124 |  |  | pairs  = va_arg(vars, unsigned int); | 
| 125 |  |  |  | 
| 126 |  |  | /* write the first part of the command */ | 
| 127 |  |  | putc(imP_CREATE_FAMILY_TABLE, imout); | 
| 128 |  |  | im_putbyte(family); | 
| 129 |  |  | im_putbyte(pairs); | 
| 130 |  |  |  | 
| 131 |  |  | /* write each map_name, font_name pair */ | 
| 132 |  |  | while (pairs-- > 0) | 
| 133 |  |  | { | 
| 134 |  |  | map_name = va_arg(vars, unsigned int); | 
| 135 |  |  | im_putbyte(map_name); | 
| 136 |  |  | font_name = va_arg(vars, char *); | 
| 137 |  |  | im_putstring(font_name); | 
| 138 |  |  | } | 
| 139 |  |  |  | 
| 140 |  |  | va_end(vars); | 
| 141 |  |  | } | 
| 142 |  |  |  | 
| 143 |  |  | imCreatePath(va_alist) | 
| 144 |  |  |  | 
| 145 |  |  | va_dcl | 
| 146 |  |  |  | 
| 147 |  |  | { | 
| 148 |  |  | va_list vars; | 
| 149 |  |  | int count; | 
| 150 |  |  | int h; | 
| 151 |  |  | int v; | 
| 152 |  |  |  | 
| 153 |  |  | va_start(vars); | 
| 154 |  |  |  | 
| 155 |  |  | /* first argument is vertex-count */ | 
| 156 |  |  | count = va_arg(vars, int); | 
| 157 |  |  |  | 
| 158 |  |  | /* write the first part of the command */ | 
| 159 |  |  | putc(imP_CREATE_PATH, imout); | 
| 160 |  |  | im_putword(count); | 
| 161 |  |  |  | 
| 162 |  |  | /* write each vertex pair */ | 
| 163 |  |  | while (count-- > 0) | 
| 164 |  |  | { | 
| 165 |  |  | h = va_arg(vars, int); | 
| 166 |  |  | im_putword(h); | 
| 167 |  |  | v = va_arg(vars, int); | 
| 168 |  |  | im_putword(v); | 
| 169 |  |  | } | 
| 170 |  |  | } | 
| 171 |  |  |  | 
| 172 |  |  | imCreatePathV(count, vec) | 
| 173 |  |  |  | 
| 174 |  |  | unsigned int count; | 
| 175 |  |  | unsigned int *vec; | 
| 176 |  |  |  | 
| 177 |  |  | { | 
| 178 |  |  | /* write the first part of the command */ | 
| 179 |  |  | putc(imP_CREATE_PATH, imout); | 
| 180 |  |  | im_putword(count); | 
| 181 |  |  |  | 
| 182 |  |  | /* write each vertex pair */ | 
| 183 |  |  | while (count-- > 0) | 
| 184 |  |  | { | 
| 185 |  |  | im_putword(*vec);       /* these are macros... */ | 
| 186 |  |  | vec++;                  /* so im_putword(*vec++) won't always work */ | 
| 187 |  |  | im_putword(*vec); | 
| 188 |  |  | vec++; | 
| 189 |  |  | } | 
| 190 |  |  | } | 
| 191 |  |  |  | 
| 192 |  |  | #ifdef notyet | 
| 193 |  |  | /* stuff we still have to do: */ | 
| 194 |  |  | imBitmap(...) | 
| 195 |  |  | #endif |