#ifndef _LEO_LABELLER_H
#define _LEO_LABELLER_H
-enum edge_dir
-{
- DIR_INVALID,
- DIR_UNSET,
- DIR_CENTER,
- DIR_FWD,
- DIR_BWD,
-};
+#include "lab-utils.h"
+
+/*
+* Requests for point refer directly to point symbols that should be placed.
+* Line and area requests are in fact requests for labels (either symbols or
+* textual labels) of such objects.
+* Area requests are taken quite as-is,
+* line requests are broken into section and segment requests -- each line
+* is broken into sections of maximal length and each section is made of segments
+* which correspond to OSM ways.
+* For each line, exactly one segment of each section is labelled in the output.
+*/
enum request_type
{
REQUEST_SEGMENT,
};
-enum term_cond
-{
- TERM_COND_PENALTY,
- TERM_COND_STAGNATION,
- TERM_COND_ITERATIONS,
-};
-
-struct point_variant
+struct variant
{
int width;
int height;
- bool *bitmap;
-};
-
-struct line_variant
-{
- bool *masks;
+ int offset_x; // Desired offset of top-left corner with respect to
+ int offset_y; // actual coordinates of corresponding object
+ bool *bitmap; // Mask having 1s where the variant is not blank; used for overlap check
};
struct request
{
enum request_type type;
- int ind;
+ int ind; // Index used whenever request indexing is needed
+ struct variant *variants; // Growing array of all variants usable for this request
};
struct request_point
{
struct request request;
struct symbol *sym;
- z_index_t zindex;
+ z_index_t zindex; // Needed when planning symbol
double x;
double y;
- double offset_x;
- double offset_y;
- int num_variants;
- struct point_variant *variants;
};
struct request_segment
{
struct request request;
- struct request_line *rl;
- double x1;
+ struct symbol *label;
+ double x1; // Start and end of segment
double y1;
double x2;
double y2;
- double angle;
- struct symbol *label;
- struct point_variant *variant;
- z_index_t zindex;
+ double slope; // Used to calculate label rotation
+ z_index_t zindex; // Needed when planning symbol
};
struct request_section
{
struct request request;
- int num_segments;
- struct request_segment *segments;
+ struct request_segment *segments; // Growing array
};
struct request_line
{
struct request request;
struct symbol *line;
- int num_variants;
- struct line_variant *variants;
- struct request_section *sections;
+ struct request_section *sections; // Growing array
};
struct request_area
struct request request;
struct osm_multipolygon *o;
struct symbol *label;
- struct point_variant *variants;
z_index_t zindex;
- double cx, cy;
+ double cx, cy; // Area center (coordinates average), used as reference coordinates
};
+// Buffer for lines (osm_ways) added via labeller_notify_line,
+// used to make graph and join lines which should be labelled as one object
struct buffer_line
{
struct sym_line *line;
- z_index_t zindex;
};
+// Buffer for line labes,
+// used to label graph -- join logical lines with their labels
struct buffer_linelabel
{
struct osm_way *way;
z_index_t zindex;
};
-struct graph_node
-{
- osm_id_t id;
- struct osm_node *o;
- struct graph_edge **edges;
- int num;
-};
-
-struct graph_edge
-{
- osm_id_t id;
- double length;
- color_t color;
- int visited;
- struct graph_edge *prev;
- struct graph_edge *next;
- struct graph_node *n1;
- struct graph_node *n2;
- uns longline;
- struct symbol *label;
- struct sym_line *line;
- z_index_t zindex;
- enum edge_dir dir;
- struct graph_node *anode;
- struct graph_node *bnode; // DEBUG PRINT
- int num; // DEBUG
-};
-
-struct longline
-{
- uns id;
- struct graph_edge *first;
-};
-
struct placement
{
struct request *request;
- double x;
+ struct individual *individual;// FIXME: Is it needed?
+ double x; // Coordinates of variant top-left corner placement
double y;
- int variant_used;
- bool processed;
+ int variant_used; // Variant chosen for request in this placement
+ int ind; // Index used whenever placement indexing is needed
+ bool processed; // FIXME: Is it needed?
+ // FIXME: Replace with clist?
+ struct map_placement *map_links;
};
-struct map_part
+struct map_placement
{
+ struct placement *placement;
+ struct map_part *part;
+ struct map_placement *next_in_map;
+ struct map_placement *prev_in_map;
+ struct map_placement *next_in_placement;
+ struct map_placement *prev_in_placement;
};
-struct individual
+struct map_part
{
- struct placement *placements;
- struct map_part **map;
- int penalty;
+ // FIXME: Replace with clist?
+ struct map_placement *placement;
+ int ind;
};
+void labeller_conf(void);
void labeller_init(void);
-void labeller_add_point(struct symbol *sym, struct osm_object *object, z_index_t zindex);
-void labeller_add_line(struct symbol *sym, z_index_t zindex);
+void labeller_cleanup(void);
+
void labeller_label(void);
-void labeller_add_linelabel(struct symbol *sym, struct osm_object *o, z_index_t zindex);
-void labeller_add_arealabel(struct symbol *sym, struct osm_object *o, z_index_t zindex);
+
+void labeller_add_point(struct symbol *sym, struct osm_object *object, z_index_t zindex);
+void labeller_notify_line(struct symbol *sym, z_index_t zindex);
+void labeller_add_label(struct symbol *sym, struct osm_object *o, z_index_t zindex);
+
+extern struct request_point *requests_point;
+extern struct request_line *requests_line;
+extern struct request_area *requests_area;
+
+extern struct longline *longlines;
+extern struct buffer_line *buffer_line;
+extern struct buffer_linelabel *buffer_linelabel;
+
+extern int dbg_segments;
+extern int dbg_plan;
+extern int dbg_requests;
+extern int dbg_graph;
+extern int dbg_bfs;
+extern int dbg_map_parts;
+extern int dbg_movement;
+extern int dbg_init;
+extern int dbg_overlaps;
+extern int dbg_rank;
+extern int dbg_evolution;
+extern int dbg_mutation;
+extern int dbg_breeding;
+
+extern int page_width_int;
+extern int page_height_int;
+
+extern int num_requests;
+extern int num_placements;
+
+extern int conf_map_part_width;
+extern int conf_map_part_height;
+
+extern uns num_map_parts_row;
+extern uns num_map_parts_col;
+extern uns num_map_parts;
+
#endif
projects / leo.git / blobdiff