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garmin_gpi.cc
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garmin_gpi.cc
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/*
Support for Garmin Points of Interest (.gpi files)
Copyright (C) 2007 Olaf Klein, [email protected]
Copyright (C) 2007-2012 Robert Lipe, [email protected]
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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place - Suite 330, Boston, MA 02111 USA
*/
/*
History:
* 2007/05/18: initial release (only a reader)
* 2007/05/20: added writer code with embedded bitmap
* 2007/05/22: add support for multiple bounding boxes
(useful / required!) for large waypoints lists
* 2007/05/23: add optional user bitmap
* 2007/06/02: new method to compute center (mean) of bounds
avoid endless loop in group splitting
* 2007/07/10: put address fields (i.e. city) into GMSD
* 2007/07/12: add write support for new address fields
* 2007/10/20: add option unique
* 2007/12/02: support speed and proximity distance (+ alerts)
* 2008/01/14: fix structure error after adding speed/proximity
* 2008/03/22: add options "speed" and "proximity" (default values) and "sleep"
ToDo:
* Display mode ("Symbol & Name") ??? not in gpi ???
* support category from GMSD "Garmin Special Data"
*/
#include "defs.h"
#include "cet_util.h"
#include "garmin_fs.h"
#include "garmin_gpi.h"
#include "jeeps/gpsmath.h"
#include <QtCore/QTextCodec>
#include <cstdlib>
#define MYNAME "garmin_gpi"
#define GPI_DBG 1
#undef GPI_DBG
#define DEFAULT_ICON "Waypoint"
#define WAYPOINTS_PER_BLOCK 128
/* flags used in the gpi address mask */
#define GPI_ADDR_CITY 1
#define GPI_ADDR_COUNTRY 2
#define GPI_ADDR_STATE 4
#define GPI_ADDR_POSTAL_CODE 8
#define GPI_ADDR_ADDR 16
static char* opt_cat, *opt_pos, *opt_notes, *opt_hide_bitmap, *opt_descr, *opt_bitmap;
static char* opt_unique, *opt_alerts, *opt_units, *opt_speed, *opt_proximity, *opt_sleep;
static char* opt_lang;
static char* opt_writecodec;
static double defspeed, defproximity;
static int alerts;
static arglist_t garmin_gpi_args[] = {
{
"alerts", &opt_alerts, "Enable alerts on speed or proximity distance",
nullptr, ARGTYPE_BOOL, ARG_NOMINMAX, nullptr
},
{
"bitmap", &opt_bitmap, "Use specified bitmap on output",
nullptr, ARGTYPE_FILE, ARG_NOMINMAX, nullptr
},
{
"category", &opt_cat, "Default category on output",
"My points", ARGTYPE_STRING, ARG_NOMINMAX, nullptr
},
{
"hide", &opt_hide_bitmap, "Don't show gpi bitmap on device",
nullptr, ARGTYPE_BOOL, ARG_NOMINMAX, nullptr
},
{
"descr", &opt_descr, "Write description to address field",
nullptr, ARGTYPE_BOOL, ARG_NOMINMAX, nullptr
},
{
"notes", &opt_notes, "Write notes to address field",
nullptr, ARGTYPE_BOOL, ARG_NOMINMAX, nullptr
},
{
"position", &opt_pos, "Write position to address field",
nullptr, ARGTYPE_BOOL, ARG_NOMINMAX, nullptr
},
{
"proximity", &opt_proximity, "Default proximity",
nullptr, ARGTYPE_STRING, ARG_NOMINMAX, nullptr
},
{
"sleep", &opt_sleep, "After output job done sleep n second(s)",
nullptr, ARGTYPE_INT, "1", nullptr, nullptr
},
{
"speed", &opt_speed, "Default speed",
nullptr, ARGTYPE_STRING, ARG_NOMINMAX, nullptr
},
{
"unique", &opt_unique, "Create unique waypoint names (default = yes)",
"Y", ARGTYPE_BOOL, ARG_NOMINMAX, nullptr
},
{
"units", &opt_units, "Units used for names with @speed ('s'tatute or 'm'etric)",
"m", ARGTYPE_STRING, ARG_NOMINMAX, nullptr
},
{
"writecodec", &opt_writecodec, "codec to use for writing strings",
"windows-1252", ARGTYPE_STRING, ARG_NOMINMAX, nullptr
},
{
"languagecode", &opt_lang, "language code to use for reading dual language files",
nullptr, ARGTYPE_STRING, ARG_NOMINMAX, nullptr
},
ARG_TERMINATOR
};
typedef struct {
public:
int D2;
char S3[9]; /* "GRMRECnn" */
time_t crdate; /* creation date and time */
char POI[4]; /* "POI" */
char S8[3];
QString group;
QString category;
} reader_data_t;
typedef struct writer_data_s {
queue Q;
int ct;
int sz;
int alert;
bounds bds;
struct writer_data_s* top_left;
struct writer_data_s* top_right;
struct writer_data_s* buttom_left;
struct writer_data_s* buttom_right;
} writer_data_t;
typedef struct gpi_waypt_data_s {
int sz;
char* addr;
char* postal_code;
} gpi_waypt_data_t;
typedef struct {
int32_t size;
int16_t res1;
int16_t res2;
int32_t image_offset;
int32_t header_size;
int32_t width;
int32_t height;
int16_t planes;
int16_t bpp;
int32_t compression_type;
int32_t image_data_size;
int32_t resolution_h;
int32_t resolution_v;
int32_t used_colors;
int32_t important_colors;
} bmp_header_t;
typedef struct {
int16_t index;
int16_t height;
int16_t width;
int16_t line_sz;
int16_t bpp;
int16_t fixed_0;
int32_t image_size;
int32_t fixed_2c;
int32_t flag1;
int32_t tr_color;
int32_t flag2;
int32_t size_2c;
} gpi_bitmap_header_t;
typedef struct {
int sz;
int alerts;
short mask;
char addr_is_dynamic;
char* addr;
char* city;
char* country;
char* phone_nr;
char* postal_code;
char* state;
} gpi_waypt_t;
static gbfile* fin, *fout;
static uint16_t codepage; /* code-page, e.g. 1252, 65001 */
static reader_data_t* rdata;
static writer_data_t* wdata;
static short_handle short_h;
static char units;
static time_t gpi_timestamp = 0;
#ifdef GPI_DBG
# define PP warning("@%1$6x (%1$8d): ", gbftell(fin))
# define dbginfo warning
#else
# define PP
#endif
/*******************************************************************************
* %%% gpi reader %%% *
*******************************************************************************/
/* look for or initialize GMSD */
static garmin_fs_t*
gpi_gmsd_init(Waypoint* wpt)
{
garmin_fs_t* gmsd = GMSD_FIND(wpt);
if (wpt == nullptr) {
fatal(MYNAME ": Error in file structure.\n");
}
if (gmsd == nullptr) {
gmsd = garmin_fs_alloc(-1);
fs_chain_add(&wpt->fs, (format_specific_data*) gmsd);
}
return gmsd;
}
static char*
gpi_read_lc_string_old(char* languagecode, short* length)
{
char lc[3];
gbfread(lc, 1, 2, fin);
lc[2] = '\0';
short len = gbfgetint16(fin);
if ((lc[0] < 'A') || (lc[0] > 'Z') || (lc[1] < 'A') || (lc[1] > 'Z')) {
fatal(MYNAME ": Invalid language code %s!\n", lc);
}
char* res = (char*) xmalloc(len + 1);
res[len] = '\0';
PP;
if (len > 0) {
gbfread(res, 1, len, fin);
}
strncpy(languagecode, lc, sizeof(lc));
*length = len;
return res;
}
/* read a standard string with or without 'EN' (or whatever) header */
static char*
gpi_read_string_old(const char* field)
{
char* res = nullptr;
int l0 = gbfgetint16(fin);
if (l0 > 0) {
char first = gbfgetc(fin);
if (first == 0) {
short l1;
short l2;
char lc1[3] = "";
char lc2[3] = "";
is_fatal((gbfgetc(fin) != 0),
MYNAME ": Error reading field '%s'!", field);
char* res1 = gpi_read_lc_string_old(lc1, &l1);
if ((l1 + 4) < l0) { // dual language?
char* res2 = gpi_read_lc_string_old(lc2, &l2);
is_fatal((l1 + 4 + l2 + 4 != l0),
MYNAME ": Error out of sync (wrong size %d/%d/%d) on field '%s'!", l0, l1, l2, field);
if (opt_lang && (strcmp(opt_lang, lc1) == 0)) {
res = res1;
xfree(res2);
} else if (opt_lang && (strcmp(opt_lang, lc2) == 0)) {
res = res2;
xfree(res1);
} else {
fatal(MYNAME ": Must select language code, %s and %s found.\n", lc1, lc2);
}
} else { // normal case, single language
is_fatal((l1 + 4 != l0),
MYNAME ": Error out of sync (wrong size %d/%d) on field '%s'!", l0, l1, field);
res = res1;
}
} else {
res = (char*) xmalloc(l0 + 1);
*res = first;
*(res + l0) = '\0';
PP;
l0--;
if (l0 > 0) {
gbfread(res + 1, 1, l0, fin);
}
}
}
#ifdef GPI_DBG
dbginfo("%s: \"%s\"\n", field, (res == NULL) ? "<NULL>" : res);
#endif
return res;
}
static QString
gpi_read_string(const char* field)
{
char* s = gpi_read_string_old(field);
QString rv = STRTOUNICODE(s).trimmed();
xfree(s);
return rv;
}
static void
read_header()
{
int len, i;
#ifdef GPI_DBG
struct tm tm;
char stime[32];
#endif
i = gbfgetint32(fin);
if (i != 0) {
i = gbfgetint32(fin);
}
rdata->D2 = gbfgetint32(fin);
gbfread(&rdata->S3, 1, sizeof(rdata->S3) - 1, fin); /* GRMRECnn */
if (strncmp(rdata->S3, "GRMREC", 6) != 0) {
fatal(MYNAME ": No GPI file!\n");
}
PP;
rdata->crdate = gbfgetint32(fin);
#ifdef GPI_DBG
tm = *localtime(&rdata->crdate);
tm.tm_year += 20; /* !!! */
tm.tm_mday -= 1; /* !!! */
strftime(stime, sizeof(stime), "%Y/%m/%d %H:%M:%S", &tm);
dbginfo("crdate = %lu (%s)\n", rdata->crdate, stime);
#endif
(void) gbfgetint16(fin); /* 0 */
len = gbfgetint16(fin);
gbfseek(fin, len, SEEK_CUR); /* "my.gpi" */
i = gbfgetint32(fin); /* 1 */
(void) gbfgetint32(fin); /* 12 */
/* There are two dwords next. On most typical files, they're
* "1" and "12". On files from garminoneline.de/extras/poi, the
* next two words are "15" and "5" and there's 17 additional bytes
* that I can't identify. So hardcode a seek here for now.
*/
if (i == 15) {
gbfseek(fin, 17, SEEK_CUR);
}
gbfread(&rdata->POI, 1, sizeof(rdata->POI) - 1, fin);
if (strncmp(rdata->POI, "POI", 3) != 0) {
fatal(MYNAME ": Wrong or unsupported GPI file!\n");
}
for (i = 0; i < 3; i++) {
(void)gbfgetc(fin);
}
gbfread(&rdata->S8, 1, sizeof(rdata->S8) - 1, fin);
codepage = gbfgetuint16(fin);
#ifdef GPI_DBG
PP;
dbginfo("Code Page: %d\n",codepage);
#endif
(void) gbfgetint16(fin); /* typically 0, but 0x11 in
Garminonline.de files. */
#ifdef GPI_DBG
PP;
dbginfo("< leaving header\n");
#endif
}
/* gpi tag handler */
static int read_tag(const char* caller, const int tag, Waypoint* wpt);
/* read a single poi with all options */
static void
read_poi(const int sz, const int tag)
{
int pos, len;
Waypoint* wpt;
#ifdef GPI_DBG
PP;
dbginfo("> reading poi (size %d)\n", sz);
#endif
PP;
len = 0;
if (tag == 0x80002) {
len = gbfgetint32(fin); /* sub-header size */
}
#ifdef GPI_DBG
dbginfo("poi sublen = %1$d (0x%1$x)\n", len);
#endif
(void) len;
pos = gbftell(fin);
wpt = new Waypoint;
wpt->icon_descr = DEFAULT_ICON;
wpt->latitude = GPS_Math_Semi_To_Deg(gbfgetint32(fin));
wpt->longitude = GPS_Math_Semi_To_Deg(gbfgetint32(fin));
(void) gbfgetint16(fin); /* ? always 1 ? */
(void) gbfgetc(fin); /* seems to 1 when extra options present */
wpt->shortname = gpi_read_string("Shortname");
while (gbftell(fin) < (gbsize_t)(pos + sz - 4)) {
int tag = gbfgetint32(fin);
if (! read_tag("read_poi", tag, wpt)) {
break;
}
}
if (wpt->description.isEmpty() && !wpt->notes.isEmpty()) {
wpt->description = wpt->notes;
}
if (wpt->notes.isEmpty() && !wpt->description.isEmpty()) {
wpt->notes = wpt->description;
}
waypt_add(wpt);
#ifdef GPI_DBG
PP;
dbginfo("< leaving poi\n");
#endif
}
/* read poi's following a group header */
static void
read_poi_list(const int sz)
{
int i;
int pos = gbftell(fin);
#ifdef GPI_DBG
PP;
dbginfo("> reading poi list (-> %1$x / %1$d )\n", pos + sz);
#endif
PP;
i = gbfgetint32(fin); /* mostly 23 (0x17) */
#ifdef GPI_DBG
dbginfo("list sublen = %1$d (0x%1$x)\n", i);
#else
(void) i;
#endif
(void) gbfgetint32(fin); /* max-lat */
(void) gbfgetint32(fin); /* max-lon */
(void) gbfgetint32(fin); /* min-lat */
(void) gbfgetint32(fin); /* min-lon */
(void) gbfgetc(fin); /* three unknown bytes */
(void) gbfgetc(fin); /* ? should be zero ? */
(void) gbfgetc(fin);
(void) gbfgetint32(fin); /* ? const 0x1000100 ? */
while (gbftell(fin) < (gbsize_t)(pos + sz - 4)) {
int tag = gbfgetint32(fin);
if (! read_tag("read_poi_list", tag, nullptr)) {
return;
}
}
#ifdef GPI_DBG
PP;
dbginfo("< leaving poi list\n");
#endif
}
static void
read_poi_group(const int sz, const int tag)
{
int pos = gbftell(fin);
#ifdef GPI_DBG
PP;
dbginfo("> reading poi group (-> %1$x / %1$d)\n", pos + sz);
#endif
if (tag == 0x80009) {
PP;
int subsz = gbfgetint32(fin); /* ? offset to category data ? */
#ifdef GPI_DBG
dbginfo("group sublen = %d (-> %x / %d)\n", subsz, pos + subsz + 4, pos + subsz + 4);
#else
(void)subsz;
#endif
}
rdata->group = gpi_read_string("Group");
while (gbftell(fin) < (gbsize_t)(pos + sz)) {
int subtag = gbfgetint32(fin);
if (! read_tag("read_poi_group", subtag, nullptr)) {
break;
}
}
#ifdef GPI_DBG
PP;
dbginfo("< leaving poi group\n");
#endif
}
// TODO: 'tag' is probably not a 32 bit value.
// most likely it's a pair of 16's: the first pair is the tag number.
// if the second 16 is "eight", then it's an
// extended thingy and it has a 4-byte extended record length (total number
// of bytes for all record fields and all nested records, starting after the
// length field)
/* gpi tag handler */
static int
read_tag(const char* caller, const int tag, Waypoint* wpt)
{
Q_UNUSED(caller);
int dist;
double speed;
short mask;
QString str;
char* cstr;
garmin_fs_t* gmsd;
int sz = gbfgetint32(fin);
int pos = gbftell(fin);
#ifdef GPI_DBG
PP;
dbginfo("%s: tag = 0x%x (size %d)\n", caller, tag, sz);
#endif
if ((tag >= 0x80000) && (tag <= 0x800ff)) {
sz += 4;
}
switch (tag) {
case 0x3: /* size = 12 */
case 0x80003: /* size = 12 */
dist = gbfgetint16(fin); /* proximity distance in meters */
speed = (double)gbfgetint16(fin) / 100; /* speed in meters per second */
if (dist > 0) {
WAYPT_SET(wpt, proximity, dist);
}
if (speed > 0) {
/* speed isn't part of a normal waypoint
WAYPT_SET(wpt, speed, speed);
*/
if ((wpt->shortname.isEmpty() || ((wpt->shortname).indexOf('@'))==-1)) {
if (units == 's') {
speed = MPS_TO_MPH(speed);
} else {
speed = MPS_TO_KPH(speed);
}
QString base = wpt->shortname.isEmpty() ? "WPT" : wpt->shortname;
wpt->shortname = base + QString("@%1").arg(speed,0,'f',0);
}
}
(void) gbfgetint32(fin);
(void) gbfgetint32(fin);
break;
case 0x4: /* size = 2 ? */
case 0x6: /* size = 2 ? */
break;
case 0x5: /* group bitmap */
break;
case 0x7:
(void) gbfgetint16(fin); /* category number */
rdata->category = gpi_read_string("Category");
break;
case 0xa:
wpt->description = gpi_read_string("Description");
break;
case 0xe: /* ? notes or description / or both ? */
mask = gbfgetc(fin);
// Olaf's code called this a mask, but the bits below have nothing
// in common. I'm wondering if that first byte is something else and
// a type e is always a note.
switch (mask) {
case 0x01:
case 0x05:
case 0x32:
str = gpi_read_string("Notes");
default:
break;
}
if (!wpt->description.isEmpty()) {
wpt->notes = str;
} else {
wpt->description = str;
}
break;
case 0x2:
case 0x80002:
read_poi(sz, tag);
break;
case 0x80008:
read_poi_list(sz);
break;
case 0x9: /* ? older versions / no category data ? */
case 0x80009: /* current POI loader */
read_poi_group(sz, tag);
break;
case 0x8000b: /* address (street/city...) */
(void) gbfgetint32(fin);
// FALLTHROUGH
case 0xb: /* as seen in German POI files. */
PP;
mask = gbfgetint16(fin); /* address fields mask */
#ifdef GPI_DBG
dbginfo("GPI Address field mask: %d (0x%02x)\n", mask, mask);
#endif
if ((mask & GPI_ADDR_CITY) && (cstr = gpi_read_string_old("City"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(city, cstr);
}
if ((mask & GPI_ADDR_COUNTRY) && (cstr = gpi_read_string_old("Country"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(country, cstr);
}
if ((mask & GPI_ADDR_STATE) && (cstr = gpi_read_string_old("State"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(state, cstr);
}
if ((mask & GPI_ADDR_POSTAL_CODE) && (cstr = gpi_read_string_old("Postal code"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(postal_code, cstr);
}
if ((mask & GPI_ADDR_ADDR) && (cstr = gpi_read_string_old("Street address"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(addr, cstr);
}
break;
case 0xc:
mask = gbfgetint16(fin);
if ((mask & 1) && (cstr = gpi_read_string_old("Phone"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(phone_nr, cstr);
}
if ((mask & 2) && (cstr = gpi_read_string_old("Phone2"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(phone_nr2, cstr);
}
if ((mask & 4) && (cstr = gpi_read_string_old("Fax"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(fax_nr, cstr);
}
if ((mask & 8) && (cstr = gpi_read_string_old("Email"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(email, cstr);
}
if ((mask & 0x10) && (str = gpi_read_string("Link"), !str.isEmpty())) {
waypt_add_url(wpt, str, str);
}
break;
case 0x8000c: /* phone-number */
(void) gbfgetint32(fin);
PP;
mask = gbfgetint16(fin); /* phone fields mask */
#ifdef GPI_DBG
dbginfo("GPI Phone field mask: %d (0x%02x)\n", mask, mask);
#endif
if ((mask & 1) && (cstr = gpi_read_string_old("Phone"))) {
gmsd = gpi_gmsd_init(wpt);
GMSD_SET(phone_nr, cstr);
}
break;
case 0x80012: /* ? sounds / images ? */
break;
/* Images? Seen in http://geepeeex.com/Stonepages.gpi */
case 0xd:
break;
case 0x11:
case 0x80007:
/* Looks like some kind of calendar information. */
#ifdef GPI_DBG
{
int x;
unsigned char* b = (unsigned char*) xmalloc(sz);
fprintf(stderr, "Tag: %x\n", tag);
gbfread(b, 1, sz, fin);
fprintf(stderr, "\n");
for (x = 0; x < sz; x++) {
fprintf(stderr, "%02x ", b[x]);
}
fprintf(stderr, "\n");
for (x = 0; x < sz; x++) {
fprintf(stderr, "%c", isalnum(b[x]) ? b[x] : '.');
}
fprintf(stderr, "\n");
}
#endif // GPI_DBG
break;
default:
warning(MYNAME ": Unknown tag (0x%x). Please report!\n", tag);
return 0;
}
gbfseek(fin, pos + sz, SEEK_SET);
return 1;
}
/*******************************************************************************
* %%% gpi writer %%% *
*******************************************************************************/
static void
write_string(const char* str, const char long_format)
{
int len = strlen(str);
if (long_format) {
gbfputint32(len + 4, fout);
gbfwrite("EN", 1, 2, fout);
}
gbfputint16(len, fout);
gbfwrite(str, 1, len, fout);
}
static int
compare_wpt_cb(const queue* a, const queue* b)
{
const Waypoint* wa = reinterpret_cast<const Waypoint *>(a);
const Waypoint* wb = reinterpret_cast<const Waypoint *>(b);
return wa->shortname.compare(wb->shortname);
}
static char
compare_strings(const QString& s1, const QString& s2)
{
return s1.compare(s2);
}
static writer_data_t*
wdata_alloc()
{
writer_data_t* res = (writer_data_t*) xcalloc(1, sizeof(*res));
QUEUE_INIT(&res->Q);
waypt_init_bounds(&res->bds);
return res;
}
static void
wdata_free(writer_data_t* data)
{
queue* elem, *tmp;
QUEUE_FOR_EACH(&data->Q, elem, tmp) {
Waypoint* wpt = reinterpret_cast<Waypoint *>(elem);
if (wpt->extra_data) {
gpi_waypt_t* dt = (gpi_waypt_t*) wpt->extra_data;
if (dt->addr_is_dynamic) {
xfree(dt->addr);
}
xfree(dt);
}
delete wpt;
}
if (data->top_left) {
wdata_free(data->top_left);
}
if (data->top_right) {
wdata_free(data->top_right);
}
if (data->buttom_left) {
wdata_free(data->buttom_left);
}
if (data->buttom_right) {
wdata_free(data->buttom_right);
}
xfree(data);
}
static void
wdata_add_wpt(writer_data_t* data, Waypoint* wpt)
{
data->ct++;
ENQUEUE_TAIL(&data->Q, &wpt->Q);
waypt_add_to_bounds(&data->bds, wpt);
}
static void
wdata_check(writer_data_t* data)
{
queue* elem, *tmp;
double center_lon;
if ((data->ct <= WAYPOINTS_PER_BLOCK) ||
/* avoid endless loop for points (more than WAYPOINTS_PER_BLOCK)
at same coordinates */
((data->bds.min_lat >= data->bds.max_lat) && (data->bds.min_lon >= data->bds.max_lon))) {
if (data->ct > 1) {
sortqueue(&data->Q, compare_wpt_cb);
}
return;
}
/* compute the (mean) center of current bounds */
double center_lat = center_lon = 0;
QUEUE_FOR_EACH(&data->Q, elem, tmp) {
Waypoint* wpt = reinterpret_cast<Waypoint *>(elem);
center_lat += wpt->latitude;
center_lon += wpt->longitude;
}
center_lat /= data->ct;
center_lon /= data->ct;
QUEUE_FOR_EACH(&data->Q, elem, tmp) {
Waypoint* wpt = reinterpret_cast<Waypoint *>(elem);
writer_data_t** ref;
if (wpt->latitude < center_lat) {
if (wpt->longitude < center_lon) {
ref = &data->buttom_left;
} else {
ref = &data->buttom_right;
}
} else {
if (wpt->longitude < center_lon) {
ref = &data->top_left;
} else {
ref = &data->top_right;
}
}
if (*ref == nullptr) {
*ref = wdata_alloc();
}
data->ct--;
dequeue(&wpt->Q);
wdata_add_wpt(*ref, wpt);
}
if (data->top_left) {
wdata_check(data->top_left);
}
if (data->top_right) {
wdata_check(data->top_right);
}
if (data->buttom_left) {
wdata_check(data->buttom_left);
}
if (data->buttom_right) {
wdata_check(data->buttom_right);
}
}
static int
wdata_compute_size(writer_data_t* data)
{
queue* elem, *tmp;
int res = 0;
if (QUEUE_EMPTY(&data->Q)) {
goto skip_empty_block; /* do not issue an empty block */
}
res = 23; /* bounds, ... of tag 0x80008 */
QUEUE_FOR_EACH(&data->Q, elem, tmp) {
Waypoint* wpt = reinterpret_cast<Waypoint *>(elem);
garmin_fs_t* gmsd;
res += 12; /* tag/sz/sub-sz */
res += 19; /* poi fixed size */
res += strlen(STRFROMUNICODE(wpt->shortname));
if (! opt_hide_bitmap) {
res += 10; /* tag(4) */
}
gpi_waypt_t* dt = (gpi_waypt_t*) xcalloc(1, sizeof(*dt));
wpt->extra_data = dt;
if (alerts) {
#if NEW_STRINGS
int pidx;
if ((pidx = wpt->shortname.indexOf('@')) != -1) {
const char* pos = CSTR(wpt->shortname.mid(pidx));
#else
char* pos;
if ((pos = strchr(wpt->shortname, '@'))) {
#endif
double speed, scale;
if (units == 's') {
scale = MPH_TO_MPS(1);
} else {
scale = KPH_TO_MPS(1);
}
parse_speed(pos + 1, &speed, scale, MYNAME);
if (speed > 0) {
WAYPT_SET(wpt, speed, speed);
}
#if 0
if (pos > wpt->shortname) {
wpt->shortname[pos - wpt->shortname] = '\0';
}
#endif
} else if ((opt_speed) && (! WAYPT_HAS(wpt, speed))) {
WAYPT_SET(wpt, speed, defspeed);
}
if ((opt_proximity) && (! WAYPT_HAS(wpt, proximity))) {
WAYPT_SET(wpt, proximity, defproximity);
}
if ((WAYPT_HAS(wpt, speed) && (wpt->speed > 0)) ||
(WAYPT_HAS(wpt, proximity) && (wpt->proximity > 0))) {
data->alert = 1;
dt->alerts++;
res += 20; /* tag(3) */
}
}
QString str = QString();
if (opt_descr) {
if (!wpt->description.isEmpty()) {
str = wpt->description;
}
} else if (opt_notes) {
if (!wpt->notes.isEmpty()) {
str = wpt->notes;
}
} else if (opt_pos) {
str = pretty_deg_format(wpt->latitude, wpt->longitude, 's', " ", 0);
}
if (!str.isEmpty()) {
dt->addr_is_dynamic = 1;
dt->addr = xstrdup(str);
dt->mask |= GPI_ADDR_ADDR;
dt->sz += (8 + strlen(dt->addr));
}
if ((gmsd = GMSD_FIND(wpt))) {
if ((dt->mask == 0) && ((dt->addr = GMSD_GET(addr, NULL)))) {
dt->mask |= GPI_ADDR_ADDR;
dt->sz += (8 + strlen(dt->addr));
}
if ((dt->city = GMSD_GET(city, NULL))) {
dt->mask |= GPI_ADDR_CITY;
dt->sz += (8 + strlen(dt->city));
}