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-rw-r--r--map/garmin/garmin.c997
1 files changed, 997 insertions, 0 deletions
diff --git a/map/garmin/garmin.c b/map/garmin/garmin.c
new file mode 100644
index 00000000..da0f5804
--- /dev/null
+++ b/map/garmin/garmin.c
@@ -0,0 +1,997 @@
+/*
+ Copyright (C) 2007 Alexander Atanasov <aatanasov@gmail.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ MA 02110-1301 USA
+
+ Garmin and MapSource are registered trademarks or trademarks
+ of Garmin Ltd. or one of its subsidiaries.
+
+*/
+
+#include <glib.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include "config.h"
+#include "plugin.h"
+#include "data.h"
+#include "projection.h"
+#include "item.h"
+#include "debug.h"
+#include "map.h"
+#include "maptype.h"
+#include "attr.h"
+#include "coord.h"
+#include "transform.h"
+#include <stdio.h>
+#include "attr.h"
+#include "coord.h"
+#include <libgarmin.h>
+#include "garmin.h"
+#include "gar2navit.h"
+
+
+static int map_id;
+
+struct map_priv {
+ int id;
+ char *filename;
+ struct gar2nav_conv *conv;
+ struct gar *g;
+};
+
+struct map_rect_priv {
+ int id;
+ struct coord_rect r;
+ char *label; // FIXME: Register all strings for searches
+ int limit;
+ struct map_priv *mpriv;
+ struct gmap *gmap;
+ struct gobject *cobj;
+ struct gobject *objs;
+ struct item item;
+ unsigned int last_coord;
+ void *last_itterated;
+ struct coord last_c;
+ void *last_oattr;
+ unsigned int last_attr;
+ struct gar_search *search;
+};
+
+int garmin_debug = 10;
+
+void
+logfn(char *file, int line, int level, char *fmt, ...)
+{
+ va_list ap;
+ char fileline[256];
+ int sz;
+ if (level > garmin_debug)
+ return;
+ va_start(ap, fmt);
+ sz = sprintf(fileline, "%s:%d:%d|", file, line, level);
+ debug_vprintf(0, "", strlen(""), fileline, sz,
+ 1, fmt, ap);
+ va_end(ap);
+}
+// need a base map and a map
+struct gscale {
+ char *label;
+ float scale;
+ int bits;
+};
+
+static struct gscale mapscales[] = {
+ {"7000 km", 70000.0, 8}
+ ,{"5000 km", 50000.0, 8}
+ ,{"3000 km", 30000.0, 9}
+ ,{"2000 km", 20000.0, 9}
+ ,{"1500 km", 15000.0, 10}
+ ,{"1000 km", 10000.0, 10}
+ ,{"700 km", 7000.0, 11}
+ ,{"500 km", 5000.0, 11}
+ ,{"300 km", 3000.0, 13}
+ ,{"200 km", 2000.0, 13}
+ ,{"150 km", 1500.0, 13}
+ ,{"100 km", 1000.0, 14}
+ ,{"70 km", 700.0, 15}
+ ,{"50 km", 500.0, 16}
+ ,{"30 km", 300.0, 16}
+ ,{"20 km", 200.0, 17}
+ ,{"15 km", 150.0, 17}
+ ,{"10 km", 100.0, 18}
+ ,{"7 km", 70.0, 18}
+ ,{"5 km", 50.0, 19}
+ ,{"3 km", 30.0, 19}
+ ,{"2 km", 20.0, 20}
+ ,{"1.5 km", 15.0, 22}
+ ,{"1 km", 10.0, 24}
+ ,{"700 m", 7.0, 24}
+ ,{"500 m", 5.0, 24}
+ ,{"300 m", 3.0, 24}
+ ,{"200 m", 2.0, 24}
+ ,{"150 m", 1.5, 24}
+ ,{"100 m", 1.0, 24}
+ ,{"70 m", 0.7, 24}
+ ,{"50 m", 0.5, 24}
+ ,{"30 m", 0.3, 24}
+ ,{"20 m", 0.2, 24}
+ ,{"15 m", 0.1, 24}
+ ,{"10 m", 0.15, 24}
+};
+
+
+static int
+garmin_object_label(struct gobject *o, struct attr *attr)
+{
+ struct map_rect_priv *mr = o->priv_data;
+ char *codepage;
+ char *label;
+ if (!mr) {
+ dlog(1, "Error object do not have priv_data!!\n");
+ return 0;
+ }
+ if (mr->label) {
+ free(mr->label);
+ }
+ label = gar_get_object_lbl(o);
+ if (label) {
+ codepage = gar_obj_codepage(o);
+ if (*codepage != 'a') {
+ mr->label = g_convert(label, -1,"utf-8",codepage,NULL,NULL,NULL);
+ free(label);
+ } else
+ mr->label = label;
+ } else {
+ mr->label = NULL;
+ return 0;
+ }
+ if (mr->label) {
+ char *cp = mr->label;
+#warning FIXME Process label and give only the visible part
+ if (*mr->label == '@' || *mr->label == '^')
+ cp++;
+ /* FIXME: If zoomlevel is high convert ^ in the string to spaces */
+ attr->u.str = cp;
+ return 1;
+ }
+ return 0;
+}
+
+static int
+garmin_object_debug(struct gobject *o, struct attr *attr)
+{
+ struct map_rect_priv *mr = o->priv_data;
+ if (!mr) {
+ dlog(1, "Error object do not have priv_data!!\n");
+ return 0;
+ }
+ if (mr->label)
+ free(mr->label);
+ mr->label = gar_object_debug_str(o);
+ if (mr->label) {
+ attr->u.str = mr->label;
+ return 1;
+ }
+ return 0;
+}
+
+
+static struct map_search_priv *
+gmap_search_new(struct map_priv *map, struct item *item, struct attr *search, int partial)
+{
+ struct map_rect_priv *mr=g_new0(struct map_rect_priv, 1);
+ struct gar_search *gs;
+ int rc;
+
+ dlog(1, "Called!\n");
+ mr->mpriv=map;
+ gs = g_new0(struct gar_search,1);
+ if (!gs) {
+ dlog(1, "Can not init search \n");
+ free(mr);
+ return NULL;
+ }
+ mr->search = gs;
+ switch (search->type) {
+ case attr_country_name:
+ gs->type = GS_COUNTRY;
+ break;
+ case attr_town_name:
+ gs->type = GS_CITY;
+ break;
+ case attr_town_postal:
+ gs->type = GS_ZIP;
+ break;
+ case attr_street_name:
+ gs->type = GS_ROAD;
+ break;
+#if someday
+ case attr_region_name:
+ case attr_intersection:
+ case attr_housenumber:
+#endif
+ default:
+ dlog(1, "Don't know how to search for %d\n", search->type);
+ goto out_err;
+ }
+ gs->match = partial ? GM_START : GM_EXACT;
+ gs->needle = strdup(search->u.str);
+ dlog(5, "Needle: %s\n", gs->needle);
+
+ mr->gmap = gar_find_subfiles(mr->mpriv->g, gs, GO_GET_SEARCH);
+ if (!mr->gmap) {
+ dlog(1, "Can not init search \n");
+ goto out_err;
+ }
+ rc = gar_get_objects(mr->gmap, 0, gs, &mr->objs, GO_GET_SEARCH);
+ if (rc < 0) {
+ dlog(1, "Error loading objects\n");
+ goto out_err;
+ }
+ mr->cobj = mr->objs;
+ dlog(4, "Loaded %d objects\n", rc);
+ return (struct map_search_priv *)mr;
+
+out_err:
+ free(gs);
+ free(mr);
+ return NULL;
+}
+
+/* Assumes that only one item will be itterated at time! */
+static void
+coord_rewind(void *priv_data)
+{
+ struct gobject *g = priv_data;
+ struct map_rect_priv *mr = g->priv_data;
+ mr->last_coord = 0;
+};
+
+static void
+attr_rewind(void *priv_data)
+{
+ struct gobject *g = priv_data;
+ struct map_rect_priv *mr = g->priv_data;
+ mr->last_attr = 0;
+};
+
+static int
+point_coord_get(void *priv_data, struct coord *c, int count)
+{
+ struct gobject *g = priv_data;
+ struct map_rect_priv *mr = g->priv_data;
+ struct gcoord gc;
+ if (!count)
+ return 0;
+ if (g != mr->last_itterated) {
+ mr->last_itterated = g;
+ mr->last_coord = 0;
+ }
+
+ if (mr->last_coord > 0)
+ return 0;
+
+ gar_get_object_coord(mr->gmap, g, &gc);
+ c->x = gc.x;
+ c->y = gc.y;
+ mr->last_coord++;
+// dlog(1,"point: x=%d y=%d\n", c->x, c->y);
+ // dlog(1, "point: x=%f y=%f\n", GARDEG(c->x), GARDEG(c->y));
+ return 1;
+}
+
+static int
+coord_is_node(void *priv_data)
+{
+ struct gobject *g = priv_data;
+ struct map_rect_priv *mr = g->priv_data;
+
+ return gar_is_object_dcoord_node(mr->gmap, g, mr->last_coord);
+}
+
+static int
+poly_coord_get(void *priv_data, struct coord *c, int count)
+{
+ struct gobject *g = priv_data;
+ struct map_rect_priv *mr = g->priv_data;
+ int ndeltas = 0, total = 0;
+ struct gcoord dc;
+
+ if (!count)
+ return 0;
+
+ if (g != mr->last_itterated) {
+ mr->last_itterated = g;
+ mr->last_coord = 0;
+ }
+ ndeltas = gar_get_object_deltas(g);
+ if (mr->last_coord > ndeltas + 1)
+ return 0;
+ while (count --) {
+ if (mr->last_coord == 0) {
+ gar_get_object_coord(mr->gmap, g, &dc);
+ mr->last_c.x = dc.x;
+ mr->last_c.y = dc.y;
+ } else {
+ if (!gar_get_object_dcoord(mr->gmap, g, mr->last_coord - 1, &dc)) {
+ mr->last_coord = ndeltas + 2;
+ return total;
+ }
+ mr->last_c.x += dc.x;
+ mr->last_c.y += dc.y;
+ }
+ c->x = mr->last_c.x;
+ c->y = mr->last_c.y;
+ ddlog(1, "poly: x=%f y=%f\n", GARDEG(c->x), GARDEG(c->y));
+// dlog(1,"poly: x=%d y=%d\n", c->x, c->y);
+ c++;
+ total++;
+ mr->last_coord ++;
+ }
+ return total;
+}
+
+// for _any we must return one by one
+static int
+point_attr_get(void *priv_data, enum attr_type attr_type, struct attr *attr)
+{
+ struct gobject *g = priv_data;
+ struct map_rect_priv *mr = g->priv_data;
+ int rc;
+ switch (attr_type) {
+ case attr_any:
+ if (g != mr->last_oattr) {
+ mr->last_oattr = g;
+ mr->last_attr = 0;
+ }
+ switch(mr->last_attr) {
+ case 0:
+ mr->last_attr++;
+ attr->type = attr_label;
+ rc = garmin_object_label(g, attr);
+ if (rc)
+ return rc;
+ case 1:
+ mr->last_attr++;
+ attr->type = attr_debug;
+ rc = garmin_object_debug(g, attr);
+ if (rc)
+ return rc;
+ case 2:
+ mr->last_attr++;
+ if (g->type == GO_POLYLINE) {
+ attr->type = attr_street_name;
+ rc = garmin_object_label(g, attr);
+ if (rc)
+ return rc;
+ }
+ case 3:
+ mr->last_attr++;
+ attr->type = attr_flags;
+ attr->u.num = 0;
+ rc = gar_object_flags(g);
+ if (rc & F_ONEWAY)
+ attr->u.num |= AF_ONEWAY;
+ if (rc & F_SEGMENTED)
+ attr->u.num |= AF_SEGMENTED;
+ return 1;
+ default:
+ return 0;
+ }
+ break;
+ case attr_label:
+ attr->type = attr_label;
+ return garmin_object_label(g, attr);
+ case attr_town_name:
+ attr->type = attr_town_name;
+ return garmin_object_label(g, attr);
+ case attr_street_name:
+ attr->type = attr_type;
+ return garmin_object_label(g, attr);
+ case attr_street_name_systematic:
+ /* TODO: Get secondary labels of roads */
+ return 0;
+ case attr_flags:
+ attr->type = attr_flags;
+ attr->u.num = 0;
+ rc = gar_object_flags(g);
+ if (rc & F_ONEWAY)
+ attr->u.num |= AF_ONEWAY;
+ if (rc & F_SEGMENTED)
+ attr->u.num |= AF_SEGMENTED;
+ return 1;
+ default:
+ dlog(1, "Dont know about attribute %d[%04X]=%s yet\n", attr_type,attr_type, attr_to_name(attr_type));
+ }
+
+ return 0;
+}
+
+static struct item_methods methods_garmin_point = {
+ coord_rewind,
+ point_coord_get,
+ attr_rewind,
+ point_attr_get,
+};
+
+static struct item_methods methods_garmin_poly = {
+ coord_rewind,
+ poly_coord_get,
+ attr_rewind, // point_attr_rewind,
+ point_attr_get, // poly_attr_get,
+ coord_is_node,
+};
+
+static int
+search_attr_get(void *priv_data, enum attr_type attr_type, struct attr *attr)
+{
+ struct gobject *g = priv_data;
+ struct map_rect_priv *mr = g->priv_data;
+ int rc;
+ switch (attr_type) {
+ case attr_any:
+ if (g != mr->last_oattr) {
+ mr->last_oattr = g;
+ mr->last_attr = 0;
+ }
+ switch(mr->last_attr) {
+ case 0:
+ mr->last_attr++;
+ attr->type = attr_label;
+ rc = garmin_object_label(g, attr);
+ if (rc)
+ return rc;
+ case 1:
+ mr->last_attr++;
+ attr->type = attr_debug;
+ rc = garmin_object_debug(g, attr);
+ if (rc)
+ return rc;
+ case 2:
+ mr->last_attr++;
+ if (g->type == GO_POLYLINE) {
+ attr->type = attr_street_name;
+ rc = garmin_object_label(g, attr);
+ if (rc)
+ return rc;
+ }
+ case 3:
+ mr->last_attr++;
+ attr->type = attr_flags;
+ attr->u.num = 0;
+ rc = gar_object_flags(g);
+ if (rc & F_ONEWAY)
+ attr->u.num |= AF_ONEWAY;
+ if (rc & F_SEGMENTED)
+ attr->u.num |= AF_SEGMENTED;
+ return 1;
+ default:
+ return 0;
+ }
+ break;
+ case attr_label:
+ attr->type = attr_label;
+ return garmin_object_label(g, attr);
+ case attr_town_name:
+ attr->type = attr_town_name;
+ if (mr->label)
+ free(mr->label);
+ mr->label = gar_srch_get_city(g);
+ attr->u.str = mr->label;
+ if (attr->u.str)
+ return 1;
+ return 0;
+ case attr_town_id:
+ rc = gar_srch_get_cityid(g);
+ if (rc) {
+ attr->type = attr_town_id;
+ attr->u.num = rc;
+ return 1;
+ }
+ return 0;
+ case attr_town_postal:
+ attr->type = attr_town_postal;
+ attr->u.str = gar_srch_get_zip(g);
+ if (attr->u.str)
+ return 1;
+ return 0;
+ case attr_street_name:
+ attr->type = attr_street_name;
+ if (mr->label)
+ free(mr->label);
+ mr->label = gar_srch_get_roadname(g);
+ attr->u.str = mr->label;
+ if (attr->u.str)
+ return 1;
+ return 0;
+ case attr_street_id:
+ attr->type = attr_street_id;
+ attr->u.num = gar_srch_get_roadid(g);
+ if (attr->u.num)
+ return 1;
+ return 0;
+ case attr_flags:
+ attr->type = attr_flags;
+ attr->u.num = 0;
+ rc = gar_object_flags(g);
+ if (rc & F_ONEWAY)
+ attr->u.num |= AF_ONEWAY;
+ if (rc & F_SEGMENTED)
+ attr->u.num |= AF_SEGMENTED;
+ return 1;
+ case attr_country_id:
+ rc = gar_srch_get_countryid(g);
+ if (rc) {
+ attr->type = attr_country_id;
+ attr->u.num = rc;
+ return 1;
+ }
+ return 0;
+ case attr_country_name:
+ attr->type = attr_country_name;
+ attr->u.str = gar_srch_get_country(g);
+ if (attr->u.str)
+ return 1;
+ return 0;
+ case attr_district_id:
+ rc = gar_srch_get_regionid(g);
+ if (rc) {
+ attr->type = attr_district_id;
+ attr->u.num = rc;
+ return 1;
+ }
+ return 0;
+ case attr_district_name:
+ attr->type = attr_district_name;
+ attr->u.str = gar_srch_get_region(g);
+ if (attr->u.str)
+ return 1;
+ return 0;
+ case attr_town_streets_item:
+ return 0;
+ default:
+ dlog(1, "Dont know about attribute %d[%04X]=%s yet\n",
+ attr_type,attr_type, attr_to_name(attr_type));
+ }
+
+ return 0;
+}
+
+static int
+search_coord_get(void *priv_data, struct coord *c, int count)
+{
+ struct gobject *g = priv_data;
+ struct map_rect_priv *mr = g->priv_data;
+ struct gcoord gc;
+ if (!count)
+ return 0;
+ if (g != mr->last_itterated) {
+ mr->last_itterated = g;
+ mr->last_coord = 0;
+ }
+
+ if (mr->last_coord > 0)
+ return 0;
+
+ if (gar_get_object_coord(mr->gmap, g, &gc)) {
+ c->x = gc.x;
+ c->y = gc.y;
+ mr->last_coord++;
+ return 1;
+ }
+ return 0;
+}
+
+static struct item_methods methods_garmin_search = {
+ coord_rewind,
+ search_coord_get,
+ attr_rewind,
+ search_attr_get,
+};
+
+
+static struct item *
+garmin_poi2item(struct map_rect_priv *mr, struct gobject *o, unsigned short otype)
+{
+ if (mr->mpriv->conv) {
+ int mask = gar_object_group(o) << G2N_KIND_SHIFT;
+ mr->item.type = g2n_get_type(mr->mpriv->conv, G2N_POINT|mask, otype);
+ }
+ mr->item.meth = &methods_garmin_point;
+ return &mr->item;
+}
+
+static struct item *
+garmin_pl2item(struct map_rect_priv *mr, struct gobject *o, unsigned short otype)
+{
+ if (mr->mpriv->conv) {
+ int mask = gar_object_group(o) << G2N_KIND_SHIFT;
+ mr->item.type = g2n_get_type(mr->mpriv->conv, G2N_POLYLINE|mask, otype);
+ }
+ mr->item.meth = &methods_garmin_poly;
+ return &mr->item;
+}
+
+static struct item *
+garmin_pg2item(struct map_rect_priv *mr, struct gobject *o, unsigned short otype)
+{
+ if (mr->mpriv->conv) {
+ int mask = gar_object_group(o) << G2N_KIND_SHIFT;
+ mr->item.type = g2n_get_type(mr->mpriv->conv, G2N_POLYGONE|mask, otype);
+ }
+ mr->item.meth = &methods_garmin_poly;
+ return &mr->item;
+}
+
+static struct item *
+garmin_srch2item(struct map_rect_priv *mr, struct gobject *o, unsigned short otype)
+{
+ mr->item.type = type_country_label;
+ mr->item.meth = &methods_garmin_search;
+ return &mr->item;
+}
+
+static struct item *
+garmin_obj2item(struct map_rect_priv *mr, struct gobject *o)
+{
+ unsigned short otype;
+ otype = gar_obj_type(o);
+ mr->item.type = type_none;
+ switch (o->type) {
+ case GO_POINT:
+ return garmin_poi2item(mr, o, otype);
+ case GO_POLYLINE:
+ return garmin_pl2item(mr, o, otype);
+ case GO_POLYGON:
+ return garmin_pg2item(mr, o, otype);
+ case GO_ROAD:
+ return garmin_pl2item(mr, o, otype);
+#if 0
+ case GO_SEARCH:
+ return garmin_srch2item(mr, o, otype);
+#endif
+ default:
+ dlog(1, "Unknown garmin object type:%d\n",
+ o->type);
+ }
+ return NULL;
+}
+
+static struct item *
+gmap_rect_get_item_byid(struct map_rect_priv *mr, int id_hi, int id_lo)
+{
+ struct gobject *o;
+ o = mr->objs = gar_get_object_by_id(mr->mpriv->g, id_hi, id_lo);
+ if (!o) {
+ dlog(1, "Can not find object\n");
+ return NULL;
+ }
+
+ mr->item.id_hi = id_hi;
+ mr->item.id_lo = id_lo;
+ mr->item.priv_data = o;
+ mr->item.type = type_none;
+ o->priv_data = mr;
+ if (!garmin_obj2item(mr, o))
+ return NULL;
+ return &mr->item;
+}
+
+static struct item *
+gmap_rect_get_item(struct map_rect_priv *mr)
+{
+ struct gobject *o;
+ if (!mr->objs)
+ return NULL;
+ if (!mr->cobj)
+ return NULL;
+ // mr->cobj = mr->objs;
+ o = mr->cobj;
+// dlog(1, "gi:o=%p\n", o);
+ mr->cobj = mr->cobj->next;
+ if (o) {
+ mr->item.id_hi = gar_object_mapid(o);
+ mr->item.id_lo = gar_object_index(o);
+ mr->item.priv_data = o;
+ mr->item.type = type_none;
+ o->priv_data = mr;
+ if (!garmin_obj2item(mr, o))
+ return NULL;
+ return &mr->item;
+ }
+ return NULL;
+}
+
+#define max(a,b) ((a) > (b) ? (a) : (b))
+struct nl2gl_t {
+ int g;
+ int bits;
+ char *descr;
+};
+
+struct nl2gl_t nl2gl_1[] = {
+ { /* 0 */ .g = 12, .descr = "0-120m", },
+ { /* 1 */ .g = 11, .descr = "0-120m", },
+ { /* 2 */ .g = 10, .descr = "0-120m", },
+ { /* 3 */ .g = 9, .descr = "0-120m", },
+ { /* 4 */ .g = 8, .descr = "0-120m", },
+ { /* 5 */ .g = 7, .descr = "0-120m", },
+ { /* 6 */ .g = 6, .descr = "0-120m", },
+ { /* 7 */ .g = 5, .descr = "0-120m", },
+ { /* 8 */ .g = 4, .descr = "0-120m", },
+ { /* 9 */ .g = 4, .descr = "0-120m", },
+ { /* 10 */ .g = 3, .descr = "0-120m", },
+ { /* 11 */ .g = 3, .descr = "0-120m", },
+ { /* 12 */ .g = 2, .descr = "0-120m", },
+ { /* 13 */ .g = 2, .descr = "0-120m", },
+ { /* 14 */ .g = 2, .descr = "0-120m", },
+ { /* 15 */ .g = 1, .descr = "0-120m", },
+ { /* 16 */ .g = 1, .descr = "0-120m", },
+ { /* 17 */ .g = 1, .descr = "0-120m", },
+ { /* 18 */ .g = 0, .descr = "0-120m", },
+};
+
+struct nl2gl_t nl2gl[] = {
+ { /* 0 */ .g = 9, .descr = "0-120m", },
+ { /* 1 */ .g = 9, .descr = "0-120m", },
+ { /* 2 */ .g = 8, .descr = "0-120m", },
+ { /* 3 */ .g = 8, .descr = "0-120m", },
+ { /* 4 */ .g = 7, .descr = "0-120m", },
+ { /* 5 */ .g = 7, .descr = "0-120m", },
+ { /* 6 */ .g = 6, .descr = "0-120m", },
+ { /* 7 */ .g = 6, .descr = "0-120m", },
+ { /* 8 */ .g = 5, .descr = "0-120m", },
+ { /* 9 */ .g = 5, .descr = "0-120m", },
+ { /* 10 */ .g = 4, .descr = "0-120m", },
+ { /* 11 */ .g = 4, .descr = "0-120m", },
+ { /* 12 */ .g = 3, .descr = "0-120m", },
+ { /* 13 */ .g = 3, .descr = "0-120m", },
+ { /* 14 */ .g = 2, .descr = "0-120m", },
+ { /* 15 */ .g = 2, .descr = "0-120m", },
+ { /* 16 */ .g = 1, .descr = "0-120m", },
+ { /* 17 */ .g = 1, .descr = "0-120m", },
+ { /* 18 */ .g = 0, .descr = "0-120m", },
+};
+
+static int
+get_level(struct map_selection *sel)
+{
+ return sel->order;
+}
+
+static int
+garmin_get_selection(struct map_rect_priv *map, struct map_selection *sel)
+{
+ struct gar_rect r;
+ struct gmap *gm;
+ struct gobject **glast = NULL;
+ int rc;
+ int sl, el;
+ int level = 0; // 18; /* max level for maps, overview maps can have bigger
+ /* levels we do not deal w/ them
+ */
+ int flags = 0;
+ if (sel && sel->range.min == type_street_0 && sel->range.max == type_ferry) {
+ // Get all roads
+ flags = GO_GET_ROUTABLE;
+ } else if (sel)
+ flags = GO_GET_SORTED;
+
+ if (sel) {
+ r.lulat = sel->u.c_rect.lu.y;
+ r.lulong = sel->u.c_rect.lu.x;
+ r.rllat = sel->u.c_rect.rl.y;
+ r.rllong = sel->u.c_rect.rl.x;
+ level = get_level(sel);
+// level = nl2gl[level].g;
+ dlog(2, "Looking level=%d for %f %f %f %f\n",
+ level, r.lulat, r.lulong, r.rllat, r.rllong);
+ }
+ gm = gar_find_subfiles(map->mpriv->g, sel ? &r : NULL, flags);
+ if (!gm) {
+ if (sel) {
+ dlog(1, "Can not find map data for the area: %f %f %f %f\n",
+ r.lulat, r.lulong, r.rllat, r.rllong);
+ } else {
+ dlog(1, "Can not find map data\n");
+ }
+ return -1;
+ }
+#if 0
+ sl = (18-(gm->maxlevel - gm->minlevel))/2;
+ el = sl + (gm->maxlevel - gm->minlevel);
+ if (level < sl)
+ level = sl;
+ if (level > el)
+ level = el;
+ level = level - sl;
+ level = (gm->maxlevel - gm->minlevel) - level;
+ dlog(3, "sl=%d el=%d level=%d\n", sl, el, level);
+#endif
+ sl = (18-gm->zoomlevels)/2;
+ el = sl + gm->zoomlevels;
+ if (level < sl)
+ level = sl;
+ if (level > el)
+ level = el;
+ level = level - sl;
+ level = gm->basebits + level;
+ dlog(3, "sl=%d el=%d level=%d\n", sl, el, level);
+ map->gmap = gm;
+ glast = &map->objs;
+ while (*glast) {
+ if ((*glast)->next) {
+ *glast = (*glast)->next;
+ } else
+ break;
+ }
+ rc = gar_get_objects(gm, level, sel ? &r : NULL, glast, flags);
+ if (rc < 0) {
+ dlog(1, "Error loading objects\n");
+ return -1;
+ }
+ map->cobj = map->objs;
+ dlog(2, "Loaded %d objects\n", rc);
+ return rc;
+}
+// Can not return NULL, navit segfaults
+static struct map_rect_priv *
+gmap_rect_new(struct map_priv *map, struct map_selection *sel)
+{
+ struct map_selection *ms = sel;
+ struct map_rect_priv *mr;
+
+ if (!map)
+ return NULL;
+ mr = calloc(1, sizeof(*mr));
+ if (!mr)
+ return mr;
+ mr->mpriv = map;
+ if (!sel) {
+ return mr;
+ } else {
+ while (ms) {
+ dlog(2, "order %d\n", ms->order);
+ if (garmin_get_selection(mr, ms) < 0) {
+ // free(mr);
+ // return NULL;
+ }
+ ms = ms->next;
+ }
+ }
+ return mr;
+}
+
+static void
+gmap_rect_destroy(struct map_rect_priv *mr)
+{
+ dlog(11,"destroy maprect\n");
+ if (mr->gmap)
+ gar_free_gmap(mr->gmap);
+ if (mr->objs)
+ gar_free_objects(mr->objs);
+ if (mr->label)
+ free(mr->label);
+ free(mr);
+}
+
+static void
+gmap_search_destroy(struct map_search_priv *ms)
+{
+ gmap_rect_destroy((struct map_rect_priv *)ms);
+}
+
+static void
+gmap_destroy(struct map_priv *m)
+{
+ dlog(5, "garmin_map_destroy\n");
+ if (m->g)
+ gar_free(m->g);
+ if (m->filename)
+ free(m->filename);
+ free(m);
+}
+
+static struct map_methods map_methods = {
+ projection_garmin,
+ "utf-8",
+ gmap_destroy,
+ gmap_rect_new,
+ gmap_rect_destroy,
+ gmap_rect_get_item,
+ gmap_rect_get_item_byid,
+ gmap_search_new,
+ gmap_search_destroy,
+ gmap_rect_get_item,
+};
+
+static struct map_priv *
+gmap_new(struct map_methods *meth, struct attr **attrs)
+{
+ struct map_priv *m;
+ struct attr *data;
+ struct attr *debug;
+ struct attr *flags;
+ char buf[PATH_MAX];
+ struct stat st;
+ int dl = 1;
+ struct gar_config cfg;
+ int debugmask = 0;
+
+ data=attr_search(attrs, NULL, attr_data);
+ if (! data)
+ return NULL;
+ debug=attr_search(attrs, NULL, attr_debug);
+ if (debug) {
+ dl = atoi(debug->u.str);
+ if (!dl)
+ dl = 1;
+ }
+ flags=attr_search(attrs, NULL, attr_flags);
+ if (flags) {
+ debugmask = flags->u.num;
+ }
+ m=g_new(struct map_priv, 1);
+ m->id=++map_id;
+ m->filename = strdup(data->u.str);
+ if (!m->filename) {
+ g_free(m);
+ return NULL;
+ }
+ memset(&cfg, 0, sizeof(struct gar_config));
+ cfg.opm = OPM_GPS;
+ cfg.debuglevel = dl;
+ cfg.debugmask = debugmask;
+ garmin_debug = dl;
+ m->g = gar_init_cfg(NULL, logfn, &cfg);
+ if (!m->g) {
+ g_free(m->filename);
+ g_free(m);
+ return NULL;
+ }
+ // we want the data now, later we can load only what's necessery
+ if (gar_img_load(m->g, m->filename, 1) < 0) {
+ gar_free(m->g);
+ g_free(m->filename);
+ g_free(m);
+ return NULL;
+ }
+ m->conv = NULL;
+ snprintf(buf, sizeof(buf), "%s.types", m->filename);
+ if (!stat(buf, &st)) {
+ dlog(1, "Loading custom types from %s\n", buf);
+ m->conv = g2n_conv_load(buf);
+ }
+ if (!m->conv) {
+ dlog(1, "Using builtin types\n");
+ m->conv = g2n_default_conv();
+ }
+ if (!m->conv) {
+ dlog(1, "Failed to load map types\n");
+ }
+ *meth=map_methods;
+ return m;
+}
+
+void
+plugin_init(void)
+{
+ plugin_register_map_type("garmin", gmap_new);
+}