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/*
* Copyright (c) 1987 University of Maryland Department of Computer Science.
* All rights reserved. Permission to copy for any purpose is hereby granted
* so long as this copyright notice remains intact.
*/
/*
* GF (generic font) opcodes.
*/
#define GF_PAINT_0 0 /* paint with `d' = 0 */
/* ... through PAINT_63, d = 63 */
#define GF_PAINT1 64 /* paint, with a one-byte parameter */
#define GF_PAINT2 65 /* paint, with a two-byte parameter */
#define GF_PAINT3 66 /* paint, with a three-byte parameter */
#define GF_BOC 67 /* beginning of character */
#define GF_BOC1 68 /* compressed form of BOC */
#define GF_EOC 69 /* end of character */
#define GF_SKIP0 70 /* finish this row, begin next with white */
#define GF_SKIP1 71 /* finish row, one byte parameter */
#define GF_SKIP2 72
#define GF_SKIP3 73
#define GF_NEW_ROW_0 74 /* begin a new row, ready to blacken */
#define GF_NEW_ROW_1 75 /* begin a new row, but one col. from left */
/* through GF_NEW_ROW_164 */
#define GF_XXX1 239 /* special (interpreter dependent) command */
#define GF_XXX2 240 /* like XXX1, but two byte length parameter */
#define GF_XXX3 241
#define GF_XXX4 242
#define GF_YYY 243 /* takes four byte parameter, otherwise nop */
/* (generated by METAFONT for numspecial) */
#define GF_NOP 244 /* no op */
#define GF_CHAR_LOC 245 /* character locator */
#define GF_CHAR_LOC0 246 /* abbreviated form of CHAR_LOC */
#define GF_PRE 247 /* introduces preamble */
#define GF_POST 248 /* introduces postamble */
#define GF_POSTPOST 249 /* marks end of postamble */
/* codes 250 through 255 are undefined */
#define GF_ID 131 /* identifies this revision of GF */
#define GF_FILLER 223 /* filler bytes at end of GF file */
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