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                                fg.h

This file defines types and macros, and declares global variables  and
functions for the Flash_Graphics package.

The following global variables are declared:
fg_displaybox       fg_charbox          fg_ncolormap
fg_nsimulcolor      fg_pixelx           fg_pixely
fg_activepage       fg_displaypage      fg_numpages
fg_display          fg_color[]

In addition the following types are defined:
fg_coord_t          fg_box_t[]          fg_pbox_t;
fg_const_pbox_t     fg_line_t[]         fg_pline_t
fg_const_pline_t    fg_color_t          fg_handle_t

A number of macros are also defined, they are:
fg_coord_midpoint   fg_box_height       fg_box_width
fg_matrix_size      fg_box_area         fg_make_line
fg_line_horiz       fg_line_vert        fg_line_zerolength
fg_box_cpy          fg_setcolornum

Finally,  the prototypes for the following functions are contained  in
fg.h:

fg_assert           fg_save             fg_init_all
fg_init_herc        fg_init_egaecd      fg_init_egamono
fg_init_egacolor    fg_init_vga11       fg_init_vga12
fg_init_vga13       fg_init_vegahires   fg_init_cga
fg_init_cgamedres   fg_init_toshiba     fg_init_8514a
fg_box_enclose      fg_pt_inbox         fg_getfillside
fg_linepixels       fg_line_cpy         fg_lineclip
fg_setenv_variable  fg_setpalette       fg_fillpolygon
fg_restore          fg_drawbox          fg_drawlineclip
fg_drawlinepclip    fg_drawpolygon      fg_filloutline
fg_puts             fg_adjustxy         fg_drawellipse
fg_fill             fg_traverseline     fg_drawthickline