| 1 | #ifndef HPGL_H |
| 2 | #define HPGL_H |
| 3 | #include <stdio.h> |
| 4 | |
| 5 | struct point { |
| 6 | double x; |
| 7 | double y; |
| 8 | int valid; |
| 9 | struct point * next; |
| 10 | struct point * previous_in_path; |
| 11 | }; |
| 12 | |
| 13 | struct path { |
| 14 | struct point * first_point; |
| 15 | struct point * last_point; |
| 16 | struct point * plot_start_point; |
| 17 | struct point * plot_end_point; |
| 18 | struct path * next; |
| 19 | |
| 20 | /* Internal special stuff */ |
| 21 | double dist; |
| 22 | struct path *back; |
| 23 | |
| 24 | //int done; |
| 25 | }; |
| 26 | |
| 27 | enum hpgl_cmd_t { |
| 28 | CMD_NO_COMMAND, |
| 29 | CMD_PU, |
| 30 | CMD_PD, |
| 31 | CMD_SC, |
| 32 | CMD_IN, |
| 33 | CMD_LB, |
| 34 | CMD_DI, |
| 35 | CMD_SI, |
| 36 | CMD_SP, |
| 37 | CMD_PA, |
| 38 | CMD_PR }; |
| 39 | |
| 40 | enum plot_mode_t {absolute, relative}; |
| 41 | enum pen_state_t {up,down}; |
| 42 | |
| 43 | |
| 44 | #ifdef DEBUG |
| 45 | |
| 46 | #define POS {fprintf(stderr,"(%s, %i) %20s(): ",__FILE__, __LINE__,__FUNCTION__);} |
| 47 | #define DBG(...) {POS; fprintf(stderr, "*** DEBUG: " __VA_ARGS__);} |
| 48 | #define ERR(...) {POS; fprintf(stderr, "*** ERROR: " __VA_ARGS__); exit(-1); } |
| 49 | |
| 50 | #else |
| 51 | #define POS {} |
| 52 | #define DBG(...) {} |
| 53 | #define ERR(...) {} |
| 54 | #endif |
| 55 | |
| 56 | |
| 57 | |
| 58 | #endif |