/* * * This program is the CONFIDENTIAL and PROPRIETARY property of * Rialto Software. Any unauthorized use, reproduction or transfer * of this program is strictly prohibited. * * Copyright (c) 1992, 1993 Rialto Software * * (Subject to limited distribution and restricted disclosure only.) * *** ALL RIGHTS RESERVED *** * * 4179 Woodland Drive * Suite 15B * Ann Arbor, MI 48103 * * CommonGraphics(TM) Version 2.2 * CommonGeometry(TM) Version 1.0 * * June 4, 1992 14:30 * */ #define TRUE ((bool) 1) #define FALSE ((bool) 0) #define C_MAX_COLORS 16 #define C_MAX_TEXT_CHARS 80 #define C_RESPONSE_STRING_SIZE 256 #define C_STRUCTURE_NAME_SIZE 20 #define C_VIEW_NAME_SIZE 20 typedef unsigned char bool; typedef float real; typedef real t_world_coord[2]; typedef real t_ndc_coord[2]; typedef int t_device_coord[2]; typedef real t_xform[3][2]; typedef unsigned long t_name_set; typedef enum {BLACK, WHITE, RED, GREEN, BLUE, YELLOW, CYAN, MAGENTA, DARK_GRAY, LIGHT_GRAY, LIGHT_RED, LIGHT_GREEN, LIGHT_BLUE, BROWN, LIGHT_CYAN, LIGHT_MAGENTA} t_color; typedef enum {STRING_TEXT, STROKE_TEXT} t_text_style; typedef enum {SOLID, SHORT_DASH, MEDIUM_DASH, LONG_DASH, PHANTOM, CENTERLINE, DOT_DASH, EXTENDED} t_line_style; typedef enum {FILL, EMPTY} t_interior_style; typedef enum {PLUS, ASTERISK, CIRCLE_CROSS, FILLED_BOX, FILLED_CIRCLE, NO_MARKER} t_marker_style; typedef enum {NO_BORDER, BOX_BORDER} t_view_border_style; typedef enum {MARKER, LINE, CIRCLE, ARC, RECTANGLE, ELLIPSE, ARROW, POLYLINE, BEZIER, BSPLINE, TEXT, STRUCTURE_REF} t_primitive; typedef enum {GEOMETRY, NOTE, REFERENCE} t_class; typedef enum {LOCATE, PICK, SCREEN, STRING} t_request; typedef enum {FIRST, NEXT} t_selection; typedef enum {ON, OFF} t_toggle; struct t_device { int height; int width; real aspect_ratio; int char_height; int char_width; int number_colors; }; struct t_group_elem { char structure_name[C_STRUCTURE_NAME_SIZE]; t_class class; t_primitive element_type; long element_id; }; struct t_attributes { t_color color; t_color text_color; t_line_style line_style; int line_width; t_interior_style interior_style; long element_id; }; struct t_element { t_primitive type; long id; t_color color; t_line_style style; int width; t_interior_style interior_style; union { struct { t_marker_style marker_style; /* marker */ t_world_coord point; } marker; struct /* line */ { t_world_coord start_pt; t_world_coord end_pt; } line; struct /* circle */ { t_world_coord center; real radius; } circle; struct /* arc */ { t_world_coord center; real radius; real start_angle; real delta_angle; } arc; struct /* rectangle */ { t_world_coord center; real length; real width; real corner_radius; real angle; } rect; struct /* ellipse */ { t_world_coord center; real x_radius; real y_radius; real angle; } ellipse; struct /* arrow */ { t_world_coord pt; real height; real width; real angle; } arrow; struct /* polyline, bezier and bspline */ { t_marker_style marker_style; /* marker and connect only used with */ bool connect; /* polyline. */ int num_pts; t_world_coord *pt_head; } multi_pt; struct /* text */ { t_world_coord text_ll; char chars[C_MAX_TEXT_CHARS]; t_text_style style; real height; real width; real angle; } text; struct /* structure reference */ { char name[C_STRUCTURE_NAME_SIZE]; t_xform transform; } structure_ref; } v; }; struct t_request_buffer { t_request type; char view_name[C_VIEW_NAME_SIZE]; union { t_world_coord location; /* locator */ struct /* pick */ { char structure_name[C_STRUCTURE_NAME_SIZE]; t_class class; t_world_coord location; struct t_element element; } pick; t_ndc_coord ndc_pt; /* screen */ char str[C_RESPONSE_STRING_SIZE]; /* string */ } v; }; /* CommonGraphics */ extern void cg_initialize (void); extern void cg_terminate (void); extern void cg_dump (void); extern void cg_set_element_identifier (long); extern void cg_set_interior_style (t_interior_style); extern void cg_set_line_color (t_color); extern void cg_set_line_style (t_line_style); extern void cg_set_line_width (int); extern void cg_set_text_color (t_color); extern void cg_draw_arc (t_world_coord, real, real, real); extern void cg_draw_arrow (t_world_coord, real, real, real); extern void cg_draw_circle (t_world_coord, real); extern void cg_draw_ellipse (t_world_coord, real, real, real); extern void cg_draw_line (t_world_coord, t_world_coord); extern void cg_draw_marker (t_marker_style, t_world_coord); extern void cg_draw_polyline (t_marker_style, bool, int, t_world_coord[]); extern void cg_draw_bspline (int, t_world_coord[]); extern void cg_draw_rectangle (t_world_coord, real, real, real, real); extern void cg_draw_text (t_text_style, t_world_coord, char *, real, real, real); extern void cg_open_view (char *, t_ndc_coord, t_ndc_coord, t_color, t_view_border_style); extern void cg_delete_view (char *); extern void cg_delete_all_views (void); extern void cg_close_view (char *); extern void cg_set_window (char *, real, real); extern void cg_pan (char *, t_world_coord); extern void cg_zoom (char *, t_world_coord, t_world_coord); extern void cg_post_structure_to_view (char *, char *); extern void cg_post_all_to_view (char *); extern void cg_post_to_all_view (char *); extern void cg_unpost_structure_from_view (char *, char *); extern void cg_unpost_all_from_view (char *); extern void cg_unpost_from_all_view (char *); extern void cg_set_class_visibility (char *, t_class, t_toggle); extern void cg_open_structure (char *); extern void cg_open_non_retained_structure (char *); extern void cg_close_structure (char *); extern void cg_delete_structure (char *); extern void cg_delete_all_structures (void); extern void cg_empty_structure (char *); extern void cg_change_structure_name (char *, char *); extern void cg_set_structure_pickability (char *, t_toggle); extern void cg_set_structure_visibility (char *, t_toggle); extern void cg_set_structure_highlight (char *, t_toggle); extern void cg_reference_structure (char *, t_world_coord, real, real); extern bool cg_inquire_class_visibility (char *, t_class, t_toggle *); extern bool cg_inquire_name_set (t_name_set, int); extern bool cg_inquire_open_structure (char *); extern bool cg_inquire_pick_list (t_selection, struct t_group_elem *); extern void cg_inquire_primitive_attributes (struct t_attributes *); extern void cg_inquire_string_response (t_ndc_coord, t_color *, t_color *); extern bool cg_inquire_structure_exists (char *); extern bool cg_inquire_structure_visibility (char *, t_toggle *); extern bool cg_inquire_structures (t_selection, char *); extern bool cg_inquire_structures_posted_to_view (t_selection, char *, char *); extern bool cg_inquire_view_attributes (char *, t_color *, t_view_border_style *); extern bool cg_inquire_view_exists (char *); extern bool cg_inquire_view_transformation (char *, t_ndc_coord, t_ndc_coord, t_world_coord, t_world_coord); extern bool cg_inquire_views (t_selection, char *); extern void cg_inquire_workstation (struct t_device *); extern void cg_delete_element (char *, long); extern void cg_delete_element_range (char *, long, long); extern void cg_change_reference_name (char *, long, char *, char *); extern void cg_change_reference_abs (char *, char *, long, t_world_coord, real, real); extern void cg_change_reference_rel (char *, char *, long, t_world_coord, real, real); extern void cg_add_name_to_set (t_name_set *, int); extern void cg_add_all_names_to_set (t_name_set *); extern void cg_remove_name_from_set (t_name_set *, int); extern void cg_set_string_response (t_ndc_coord, t_color, t_color); extern void cg_request_input (t_name_set, t_name_set, char *, struct t_request_buffer *); /* CommonGeometry */ extern void cg_point_around_arc (t_world_coord, real, real, t_world_coord); extern void cg_point_along_line (t_world_coord, t_world_coord, real, t_world_coord, t_world_coord); extern void cg_point_midpoint_line (t_world_coord, t_world_coord, t_world_coord); extern void cg_line_parallel (t_world_coord, t_world_coord, real, t_world_coord, t_world_coord); extern void cg_line_perpendicular (t_world_coord, t_world_coord, t_world_coord, t_world_coord); extern void cg_line_pt_slope_distance (t_world_coord, real, real, t_world_coord); extern void cg_line_pt_angle_distance (t_world_coord, real, real, t_world_coord); extern bool cg_line_bisector (t_world_coord, t_world_coord, t_world_coord, t_world_coord, real, t_world_coord, t_world_coord); extern void cg_line_tan_arc (t_world_coord, t_world_coord, real, t_world_coord, t_world_coord); extern void cg_line_tan_2arcs (t_world_coord, real, t_world_coord, real, t_world_coord, t_world_coord, t_world_coord, t_world_coord); extern bool cg_circle_3pts (t_world_coord, t_world_coord, t_world_coord, t_world_coord, real *); extern bool cg_circle_tan_line_pt_radius (t_world_coord, t_world_coord, t_world_coord, real, t_world_coord, t_world_coord); extern bool cg_circle_tan_line_2pts (t_world_coord, t_world_coord, t_world_coord, t_world_coord, t_world_coord, t_world_coord, real *); extern bool cg_circle_tan_2lines_radius (t_world_coord, t_world_coord, t_world_coord, t_world_coord, real, t_world_coord, t_world_coord); extern bool cg_circle_tan_2lines_pt (t_world_coord, t_world_coord, t_world_coord, t_world_coord, t_world_coord, t_world_coord, t_world_coord, real *); extern bool cg_circle_tan_3lines (t_world_coord, t_world_coord, t_world_coord, t_world_coord, real *); extern bool cg_circle_tan_2arcs_radius (t_world_coord, real, t_world_coord, real, real, t_world_coord, t_world_coord); extern bool cg_circle_tan_2arcs_pt (t_world_coord, real, t_world_coord, real, t_world_coord, t_world_coord, t_world_coord, real *); extern bool cg_circle_tan_arc_line_radius (t_world_coord, real, t_world_coord, t_world_coord, real, t_world_coord, t_world_coord); extern real cg_angle_between_2lines (t_world_coord, t_world_coord, t_world_coord, t_world_coord); extern bool cg_intersect_2lines (t_world_coord, t_world_coord, t_world_coord, t_world_coord, t_world_coord); extern bool cg_intersect_arc_line (t_world_coord, real, t_world_coord, t_world_coord, t_world_coord, t_world_coord); extern bool cg_intersect_2arcs (t_world_coord, real, t_world_coord, real, t_world_coord, t_world_coord); extern real cg_distance_between_2pts (t_world_coord, t_world_coord); extern real cg_distance_pt_to_line (t_world_coord, t_world_coord, t_world_coord); extern int cg_direction_pt_to_line (t_world_coord, t_world_coord, t_world_coord);