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- /* gstructs.h */
-
- /* definitions of external structures for use in compiling portions of
- graphix.c library outside of main body of graphix.c */
-
- /* copyright 1988 - 1992, Robert C. Becker, Lantern Systems */
-
- #ifndef STRCTS_DEFT /* check for existance of previous definitions */
-
- struct hp_position /* public structures for external routines */
- {
- double xpos, ypos, rpos_x, rpos_y;
- };
-
- struct hp_scaling
- {
- double x_factor, x_offset, y_factor, y_offset, xmax, ymax;
- double scr_xmin, scr_ymin;
- };
-
- struct hp_misc
- {
- unsigned max_x_dot, max_y_dot;
- double x_ppm, y_ppm, gdu;
- int pendown, g_input, mouse_status, degree;
- unsigned wht_color;
- };
-
- struct w_params /* struct for viewport, limit, & clip params */
- {
- double xmin, xmax, ymin, ymax;
- };
-
- #define STRCTS_DEFT
- #endif
-
- extern struct hp_position __x_y_rfs_; /* position info */
- extern struct hp_scaling __x_y_sfs_; /* scale factors & offsets */
- extern struct hp_misc __gr_msc__; /* miscellaneous */
-