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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "garmin_gpi.h"
#include <QByteArray> // for QByteArray, operator==
#include <QDateTime> // for QDateTime
#include <QList> // for QList
#include <QString> // for QString, operator+, operator<
#include <QThread> // for QThread
#include <Qt> // for CaseInsensitive
#include <QtGlobal> // for foreach, Q_UNUSED
#include <algorithm> // for stable_sort
#include <cctype> // for tolower
#include <cstdint> // for uint32_t, int32_t
#include <cstdio> // for SEEK_CUR, SEEK_SET
#include <cstring> // for strlen, strncmp
#include <ctime> // for time, time_t
#include <memory> // for unique_ptr
#include "defs.h"
#include "formspec.h" // for FormatSpecificDataList
#include "garmin_fs.h" // for garmin_fs_t
#include "gbfile.h" // for gbfputint32, gbfgetint32, gbfgetint16, gbfputint16, gbfgetc, gbfputc, gbfread, gbftell, gbfwrite, gbfseek, gbfclose, gbfopen_le, gbfgetuint16, gbsize_t, gbfile
#include "jeeps/gpsmath.h" // for GPS_Math_Deg_To_Semi, GPS_Math_Semi_To_Deg
#define MYNAME "garmin_gpi"
#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
#define GPI_BITMAP_SIZE sizeof(gpi_bitmap)
#define GPI_DBG global_opts.debug_level >= 3
#define PP if (GPI_DBG) warning("@%1$6x (%1$8d): ", gbftell(fin))
/*******************************************************************************
* %%% gpi reader %%% *
*******************************************************************************/
/* look for or initialize GMSD */
garmin_fs_t*
GarminGPIFormat::gpi_gmsd_init(Waypoint* wpt)
{
if (wpt == nullptr) {
fatal(MYNAME ": Error in file structure.\n");
}
garmin_fs_t* gmsd = garmin_fs_t::find(wpt);
if (gmsd == nullptr) {
gmsd = new garmin_fs_t(-1);
wpt->fs.FsChainAdd(gmsd);
}
return gmsd;
}
GarminGPIFormat::lc_string
GarminGPIFormat::gpi_read_lc_string() const
{
lc_string result;
result.lc.resize(2);
gbfread(result.lc.data(), 1, 2, fin);
if ((result.lc.at(0) < 'A') || (result.lc.at(0) > 'Z') ||
(result.lc.at(1) < 'A') || (result.lc.at(1) > 'Z')) {
fatal(MYNAME ": Invalid language code %s!\n", result.lc.constData());
}
result.strlen = gbfgetint16(fin);
PP;
if (result.strlen > 0) {
result.str.resize(result.strlen);
gbfread(result.str.data(), 1, result.strlen, fin);
}
return result;
}
/* read a standard string with or without 'EN' (or whatever) header */
QString
GarminGPIFormat::gpi_read_string(const char* field) const
{
QByteArray string;
int l0 = gbfgetint16(fin);
if (l0 > 0) {
char first = gbfgetc(fin);
if (first == 0) {
if (gbfgetc(fin) != 0) {
fatal(MYNAME ": Error reading field '%s'!", field);
}
lc_string res1 = gpi_read_lc_string();
if ((res1.strlen + 4) < l0) { // dual language?
lc_string res2 = gpi_read_lc_string();
if (res1.strlen + 4 + res2.strlen + 4 != l0) {
fatal(MYNAME ": Error out of sync (wrong size %d/%d/%d) on field '%s'!", l0, res1.strlen, res2.strlen, field);
}
if (opt_lang && (opt_lang == res1.lc)) {
string = res1.str;
} else if (opt_lang && (opt_lang == res2.lc)) {
string = res2.str;
} else {
fatal(MYNAME ": Must select language code, %s and %s found.\n", res1.lc.constData(), res2.lc.constData());
}
} else { // normal case, single language
if (res1.strlen + 4 != l0) {
fatal(MYNAME ": Error out of sync (wrong size %d/%d) on field '%s'!", l0, res1.strlen, field);
}
string = res1.str;
}
} else {
string.resize(l0);
string[0] = first;
PP;
if (l0 > 1) {
gbfread(string.data() + 1, 1, l0 - 1, fin);
}
}
}
QString result = str_to_unicode(string).trimmed();
if (GPI_DBG) {
warning("%s: \"%s\"\n", field, result.isNull() ? "<NULL>" : qPrintable(result));
}
return result;
}
void
GarminGPIFormat::read_header()
{
int len;
int i;
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);
if (GPI_DBG) {
time_t crdate = GPS_Math_Gtime_To_Utime(rdata->crdate);
warning("crdate = %lld (%s)\n", (long long) rdata->crdate,
CSTR(QDateTime::fromSecsSinceEpoch(crdate, Qt::UTC).toString(Qt::ISODate)));
}
(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);
if (GPI_DBG) {
PP;
warning("Code Page: %d\n",codepage);
}
(void) gbfgetint16(fin); /* typically 0, but 0x11 in
Garminonline.de files. */
if (GPI_DBG) {
PP;
warning("< leaving header\n");
}
}
/* read a single poi with all options */
void
GarminGPIFormat::read_poi(const int sz, const int tag)
{
if (GPI_DBG) {
PP;
warning("> reading poi (size %d)\n", sz);
}
PP;
int len = 0;
if (tag == 0x80002) {
len = gbfgetint32(fin); /* sub-header size */
}
if (GPI_DBG) {
warning("poi sublen = %d (0x%x)\n", len, len);
}
(void) len;
int pos = gbftell(fin);
auto* 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 skip_tag = gbfgetint32(fin);
if (! read_tag("read_poi", skip_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);
if (GPI_DBG) {
PP;
warning("< leaving poi\n");
}
}
/* read poi's following a group header */
void
GarminGPIFormat::read_poi_list(const int sz)
{
int pos = gbftell(fin);
if (GPI_DBG) {
PP;
warning("> reading poi list (-> %x / %d )\n", pos + sz, pos + sz);
}
PP;
int i = gbfgetint32(fin); /* mostly 23 (0x17) */
if (GPI_DBG) {
warning("list sublen = %d (0x%x)\n", i, i);
}
(void) i;
(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;
}
}
if (GPI_DBG) {
PP;
warning("< leaving poi list\n");
}
}
void
GarminGPIFormat::read_poi_group(const int sz, const int tag)
{
int pos = gbftell(fin);
if (GPI_DBG) {
PP;
warning("> reading poi group (-> %x / %d)\n", pos + sz, pos + sz);
}
if (tag == 0x80009) {
PP;
int subsz = gbfgetint32(fin); /* ? offset to category data ? */
if (GPI_DBG) {
warning("group sublen = %d (-> %x / %d)\n", subsz, pos + subsz + 4, pos + subsz + 4);
}
(void)subsz;
}
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;
}
}
if (GPI_DBG) {
PP;
warning("< leaving poi group\n");
}
}
// 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 */
int
GarminGPIFormat::read_tag(const char* caller, const int tag, Waypoint* wpt)
{
Q_UNUSED(caller);
int dist;
double speed;
short mask;
QString str;
garmin_fs_t* gmsd;
int sz = gbfgetint32(fin);
int pos = gbftell(fin);
if (GPI_DBG) {
PP;
warning("%s: tag = 0x%x (size %d)\n", caller, tag, sz);
}
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) {
wpt->set_proximity(dist);
}
if (speed > 0) {
/* speed isn't part of a normal waypoint
wpt->set_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 + QStringLiteral("@%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 */
if (GPI_DBG) {
warning("GPI Address field mask: %d (0x%02x)\n", mask, mask);
}
if ((mask & GPI_ADDR_CITY) && !(str = gpi_read_string("City")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_city(gmsd, str);
}
if ((mask & GPI_ADDR_COUNTRY) && !(str = gpi_read_string("Country")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_country(gmsd, str);
}
if ((mask & GPI_ADDR_STATE) && !(str = gpi_read_string("State")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_state(gmsd, str);
}
if ((mask & GPI_ADDR_POSTAL_CODE) && !(str = gpi_read_string("Postal code")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_postal_code(gmsd, str);
}
if ((mask & GPI_ADDR_ADDR) && !(str = gpi_read_string("Street address")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_addr(gmsd, str);
}
break;
case 0xc:
mask = gbfgetint16(fin);
if ((mask & 1) && !(str = gpi_read_string("Phone")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_phone_nr(gmsd, str);
}
if ((mask & 2) && !(str = gpi_read_string("Phone2")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_phone_nr2(gmsd, str);
}
if ((mask & 4) && !(str = gpi_read_string("Fax")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_fax_nr(gmsd, str);
}
if ((mask & 8) && !(str = gpi_read_string("Email")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_email(gmsd, str);
}
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 */
if (GPI_DBG) {
warning("GPI Phone field mask: %d (0x%02x)\n", mask, mask);
}
if ((mask & 1) && !(str = gpi_read_string("Phone")).isEmpty()) {
gmsd = gpi_gmsd_init(wpt);
garmin_fs_t::set_phone_nr(gmsd, str);
}
break;
case 0x80012: /* ? sounds / images ? */
break;
/* Images? Seen in http:https://geepeeex.com/Stonepages.gpi */
case 0xd:
break;
case 0x11:
case 0x80007:
/* Looks like some kind of calendar information. */
if (GPI_DBG) {
int x;
std::unique_ptr<unsigned char[]> b(new unsigned char[sz]);
fprintf(stderr, "Tag: %x\n", tag);
gbfread(b.get(), 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");
}
break;
default:
warning(MYNAME ": Unknown tag (0x%x). Please report!\n", tag);
return 0;
}
gbfseek(fin, pos + sz, SEEK_SET);
return 1;
}
/*******************************************************************************
* %%% gpi writer %%% *
*******************************************************************************/
void
GarminGPIFormat::write_string(const QByteArray& str, const char long_format) const
{
int len = str.size();
if (long_format) {
gbfputint32(len + 4, fout);
gbfwrite("EN", 1, 2, fout);
}
gbfputint16(len, fout);
gbfwrite(str.constData(), 1, len, fout);
}
bool
GarminGPIFormat::compare_wpt_cb(const Waypoint* a, const Waypoint* b)
{
return a->shortname < b->shortname;
}
char
GarminGPIFormat::compare_strings(const QString& s1, const QString& s2)
{
return s1.compare(s2);
}
GarminGPIFormat::writer_data_t*
GarminGPIFormat::wdata_alloc()
{
auto* res = new writer_data_t;
waypt_init_bounds(&res->bds);
return res;
}
void
GarminGPIFormat::wdata_free(writer_data_t* data)
{
foreach (Waypoint* wpt, data->waypt_list) {
if (wpt->extra_data) {
auto* dt = (gpi_waypt_t*) wpt->extra_data;
delete dt;
}
delete wpt;
}
if (data->top_left) {
wdata_free(data->top_left);
}
if (data->top_right) {
wdata_free(data->top_right);
}
if (data->bottom_left) {
wdata_free(data->bottom_left);
}
if (data->bottom_right) {
wdata_free(data->bottom_right);
}
delete data;
}
void
GarminGPIFormat::wdata_add_wpt(writer_data_t* data, Waypoint* wpt)
{
data->waypt_list.append(wpt);
waypt_add_to_bounds(&data->bds, wpt);
}
void
GarminGPIFormat::wdata_check(writer_data_t* data) const
{
double center_lon;
if ((data->waypt_list.size() <= 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->waypt_list.size() > 1) {
std::stable_sort(data->waypt_list.begin(), data->waypt_list.end(), compare_wpt_cb);
}
return;
}
/* compute the (mean) center of current bounds */
double center_lat = center_lon = 0;
foreach (const Waypoint* wpt, data->waypt_list) {
center_lat += wpt->latitude;
center_lon += wpt->longitude;
}
center_lat /= data->waypt_list.size();
center_lon /= data->waypt_list.size();
while (!data->waypt_list.isEmpty()) {
Waypoint* wpt = data->waypt_list.takeFirst();
writer_data_t** ref;
if (wpt->latitude < center_lat) {
if (wpt->longitude < center_lon) {
ref = &data->bottom_left;
} else {
ref = &data->bottom_right;
}
} else {
if (wpt->longitude < center_lon) {
ref = &data->top_left;
} else {
ref = &data->top_right;
}
}
if (*ref == nullptr) {
*ref = wdata_alloc();
}
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->bottom_left) {
wdata_check(data->bottom_left);
}
if (data->bottom_right) {
wdata_check(data->bottom_right);
}
}
int
GarminGPIFormat::wdata_compute_size(writer_data_t* data) const
{
int res = 0;
if (data->waypt_list.isEmpty()) {
goto skip_empty_block; /* do not issue an empty block */
}
res = 23; /* bounds, ... of tag 0x80008 */
foreach (Waypoint* wpt, data->waypt_list) {
const garmin_fs_t* gmsd;
res += 12; /* tag/sz/sub-sz */
res += 19; /* poi fixed size */
res += str_from_unicode(wpt->shortname).size();
if (! opt_hide_bitmap) {
res += 10; /* tag(4) */
}
auto* dt = new gpi_waypt_t;
wpt->extra_data = dt;
if (alerts) {
if (int pidx = wpt->shortname.indexOf('@'); pidx != -1) {
double scale;
if (units == 's') {
scale = MPH_TO_MPS(1);
} else {
scale = KPH_TO_MPS(1);
}
double speed = 0;
parse_speed(wpt->shortname.mid(pidx + 1), &speed, scale, MYNAME);
if (speed > 0) {
wpt->set_speed(speed);
}
#if 0
wpt->shortname.truncate(pidx);
#endif
} else if ((opt_speed) && (!wpt->speed_has_value())) {
wpt->set_speed(defspeed);
}
if ((opt_proximity) && (!wpt->proximity_has_value())) {
wpt->set_proximity(defproximity);
}
if ((wpt->speed_has_value() && (wpt->speed_value() > 0)) ||
(wpt->proximity_has_value() && (wpt->proximity_value() > 0))) {
data->alert = 1;
dt->alerts++;
res += 20; /* tag(3) */
}
}
QString str;
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', " ", false);
}
if (!str.isEmpty()) {
dt->addr = str;
dt->mask |= GPI_ADDR_ADDR;
dt->sz += (8 + str_from_unicode(dt->addr).size());
}
if ((gmsd = garmin_fs_t::find(wpt))) {
if ((dt->mask == 0) && !(dt->addr = garmin_fs_t::get_addr(gmsd, nullptr)).isEmpty()) {
dt->mask |= GPI_ADDR_ADDR;
dt->sz += (8 + str_from_unicode(dt->addr).size());
}
if (!(dt->city = garmin_fs_t::get_city(gmsd, nullptr)).isEmpty()) {
dt->mask |= GPI_ADDR_CITY;
dt->sz += (8 + str_from_unicode(dt->city).size());
}
if (!(dt->country = garmin_fs_t::get_country(gmsd, nullptr)).isEmpty()) {
dt->mask |= GPI_ADDR_COUNTRY;
dt->sz += (8 + str_from_unicode(dt->country).size());
}
if (!(dt->state = garmin_fs_t::get_state(gmsd, nullptr)).isEmpty()) {
dt->mask |= GPI_ADDR_STATE;
dt->sz += (8 + str_from_unicode(dt->state).size());
}
if (!(dt->postal_code = garmin_fs_t::get_postal_code(gmsd, nullptr)).isEmpty()) {
dt->mask |= GPI_ADDR_POSTAL_CODE;
dt->sz += (2 + str_from_unicode(dt->postal_code).size()); /* short form */
}
if (!(dt->phone_nr = garmin_fs_t::get_phone_nr(gmsd, nullptr)).isEmpty()) {
res += (12 + 4 + str_from_unicode(dt->phone_nr).size());
}
}
if (dt->mask) {
dt->sz += 2; /* + mask (two bytes) */
}
if (dt->sz) {
res += (dt->sz + 12); /* + header size */
}
str = wpt->description;
if (str.isEmpty()) {
str = wpt->notes;
}
// if (str && (strcmp(str, wpt->shortname) == 0)) str = NULL;
if (!str.isEmpty()) {
res += (12 + 4 + str_from_unicode(str).size());
}
}
skip_empty_block:
if (data->top_left) {
res += wdata_compute_size(data->top_left);
}
if (data->top_right) {
res += wdata_compute_size(data->top_right);
}
if (data->bottom_left) {
res += wdata_compute_size(data->bottom_left);
}
if (data->bottom_right) {
res += wdata_compute_size(data->bottom_right);
}
data->sz = res;
if (data->waypt_list.isEmpty()) {
return res;
}
return res + 12; /* + 12 = caller needs info about tag header size */
}
void
GarminGPIFormat::wdata_write(const writer_data_t* data) const
{
if (data->waypt_list.isEmpty()) {
goto skip_empty_block; /* do not issue an empty block */
}
gbfputint32(0x80008, fout);
gbfputint32(data->sz, fout);
gbfputint32(23, fout); /* bounds + three bytes */
gbfputint32(GPS_Math_Deg_To_Semi(data->bds.max_lat), fout);
gbfputint32(GPS_Math_Deg_To_Semi(data->bds.max_lon), fout);
gbfputint32(GPS_Math_Deg_To_Semi(data->bds.min_lat), fout);
gbfputint32(GPS_Math_Deg_To_Semi(data->bds.min_lon), fout);
gbfputint32(0, fout);
gbfputint16(1, fout);
gbfputc(data->alert, fout);
foreach (const Waypoint* wpt, data->waypt_list) {
int s1;
auto* dt = (gpi_waypt_t*) wpt->extra_data;
QString str = wpt->description;
if (str.isEmpty()) {
str = wpt->notes;
}
gbfputint32(0x80002, fout);
int s0 = s1 = 19 + str_from_unicode(wpt->shortname).size();
if (! opt_hide_bitmap) {
s0 += 10; /* tag(4) */
}
if (!str.isEmpty()) {
s0 += (12 + 4 + str_from_unicode(str).size()); /* descr */
}
if (dt->sz) {
s0 += (12 + dt->sz); /* address part */
}
if (!dt->phone_nr.isEmpty()) {
s0 += (12 + 4 + str_from_unicode(dt->phone_nr).size());
}
if (dt->alerts) {
s0 += 20; /* tag(3) */
}
gbfputint32(s0, fout); /* size of following data (tag) */
gbfputint32(s1, fout); /* basic size (without options) */
gbfputint32(GPS_Math_Deg_To_Semi(wpt->latitude), fout);
gbfputint32(GPS_Math_Deg_To_Semi(wpt->longitude), fout);
gbfputint16(1, fout); /* ? always 1 ? */
gbfputc(alerts, fout); /* seems to be 1 when extra options present */
write_string(str_from_unicode(wpt->shortname), 1);
if (dt->alerts) {
char flag = 0;
gbfputint32(3, fout); /* tag(3) */
gbfputint32(12, fout); /* always 12 */
if (wpt->proximity_has_value() && (wpt->proximity_value() > 0)) {
gbfputint16((int) wpt->proximity_value(), fout);
flag = 4;
} else {
gbfputint16(0, fout);
}
if (wpt->speed_has_value() && (wpt->speed_value() > 0)) {
gbfputint16((int)(wpt->speed_value() * 100), fout);
flag = 5;
} else {
gbfputint16(0, fout);
}
gbfputint32(0x100100, fout); /* ??? */
gbfputc(1, fout); /* ??? */
gbfputc(1, fout); /* ??? */
gbfputc(flag, fout);
gbfputc(0x10, fout); /* ??? */
}
if (! opt_hide_bitmap) {
gbfputint32(4, fout); /* tag(4) */
gbfputint32(2, fout); /* ? always 2 == version ??? */
gbfputint16(0, fout);
}
if (!str.isEmpty()) {
gbfputint32(0xa, fout);
gbfputint32(str_from_unicode(str).size() + 8, fout); /* string + string header */
write_string(str_from_unicode(str), 1);
}
if (dt->sz) { /* gpi address */
gbfputint32(0x8000b, fout);
gbfputint32(dt->sz, fout);
gbfputint32(0x2, fout); /* ? always 2 ? */
gbfputint16(dt->mask, fout);
if (dt->mask & GPI_ADDR_CITY) {
write_string(str_from_unicode(dt->city), 1);
}
if (dt->mask & GPI_ADDR_COUNTRY) {
write_string(str_from_unicode(dt->country), 1);
}
if (dt->mask & GPI_ADDR_STATE) {
write_string(str_from_unicode(dt->state), 1);
}
if (dt->mask & GPI_ADDR_POSTAL_CODE) {
write_string(str_from_unicode(dt->postal_code), 0);
}
if (dt->mask & GPI_ADDR_ADDR) {
write_string(str_from_unicode(dt->addr), 1);
}
}
if (!dt->phone_nr.isEmpty()) {
gbfputint32(0x8000c, fout);
gbfputint32(str_from_unicode(dt->phone_nr).size() + 2 + 2, fout);
gbfputint32(0x2, fout); /* ? always 2 ? */
gbfputint16(1, fout); /* mask */
write_string(str_from_unicode(dt->phone_nr), 0);
}
}
skip_empty_block:
if (data->top_left) {
wdata_write(data->top_left);
}
if (data->top_right) {
wdata_write(data->top_right);
}
if (data->bottom_left) {
wdata_write(data->bottom_left);
}
if (data->bottom_right) {
wdata_write(data->bottom_right);
}
}
void
GarminGPIFormat::write_category(const char* /*unused*/, const unsigned char* image, const int image_sz) const
{
int sz = wdata_compute_size(wdata);
sz += 8; /* string header */
sz += str_from_unicode(QString::fromUtf8(opt_cat)).size();
gbfputint32(0x80009, fout);
if ((! opt_hide_bitmap) && image_sz) {
gbfputint32(sz + image_sz + 8, fout);
} else {
gbfputint32(sz, fout);
}
gbfputint32(sz, fout);
write_string(str_from_unicode(QString::fromUtf8(opt_cat)), 1);
wdata_write(wdata);
if ((! opt_hide_bitmap) && image_sz) {
gbfputint32(5, fout);
gbfputint32(image_sz, fout);
gbfwrite(image, 1, image_sz, fout);
}