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/**
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* ZANavi, Zoff Android Navigation system.
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* Copyright (C) 2016 Zoff <zoff@zoff.cc>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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// **********=================== hack to display ZVT tiles ===================**********
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// **********=================== hack to display ZVT tiles ===================**********
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// **********=================== hack to display ZVT tiles ===================**********
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// **********=================== hack to display ZVT tiles ===================**********
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// **********=================== hack to display ZVT tiles ===================**********
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#define _MVT_LITTLEENDIAN_
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/*
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====================================================================
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*/
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typedef unsigned char uint8_t;
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typedef unsigned int uint32_t;
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struct __attribute__((__packed__)) zvt_header
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{
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uint8_t signature[3];
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unsigned char zoom;
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};
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struct wkb_header
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{
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// uint8_t is_little_endian; // 0 or 1
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uint8_t type;
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};
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struct wkb_point
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{
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int x;
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int y;
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};
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struct mapnik_tile
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{
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int x;
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int y;
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};
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void loop_mapnik_tiles(double lat_lt, double lon_lt, double lat_cn, double lon_cn, double lat_rb, double lon_rb, int mapnik_zoom, const char* basedir, struct displaylist *display_list);
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void get_mapnik_tilenumber(struct mapnik_tile *mt, double lat, double lon, int mapnik_zoom);
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void get_mapniktile_2_geo(int tile_x, int tile_y, int zoom, struct coord_geo *g);
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void draw_water_tile_new(int mapnik_zoom, int tile_x, int tile_y, struct displaylist *display_list);
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/*
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====================================================================
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*/
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#ifdef _MVT_LITTLEENDIAN_
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#if 0
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uint32_t swap_endian32(uint32_t num)
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{
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return ((num>>24)&0xff) | // move byte 3 to byte 0
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((num<<8)&0xff0000) | // move byte 1 to byte 2
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((num>>8)&0xff00) | // move byte 2 to byte 1
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((num<<24)&0xff000000); // byte 0 to byte 3
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}
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uint64_t swap_endian64(uint64_t x)
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{
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return (uint64_t)((((x) & 0xff00000000000000ull) >> 56)
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| (((x) & 0x00ff000000000000ull) >> 40)
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| (((x) & 0x0000ff0000000000ull) >> 24)
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| (((x) & 0x000000ff00000000ull) >> 8)
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| (((x) & 0x00000000ff000000ull) << 8)
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| (((x) & 0x0000000000ff0000ull) << 24)
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| (((x) & 0x000000000000ff00ull) << 40)
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| (((x) & 0x00000000000000ffull) << 56));
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}
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#endif
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#else
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#define swap_endian32(x) x
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#define swap_endian64(x) x
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#endif
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// for zlib ------------
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#define Bytef unsigned char
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#define uLong unsigned long
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#define uLongf unsigned long
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// for zlib ------------
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const char *wkb_feature_type[] =
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{
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"Geometry", // 0
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"Point", // 1
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"LineString",
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"Polygon", // 3
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"MultiPoint", // 4
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"MultiLineString",
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"MultiPolygon", // 6
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"GeometryCollection", // 7
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"CircularString",
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"CompoundCurve",
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"CurvePolygon", // 10
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"MultiCurve", // 11
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"MultiSurface",
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"Curve",
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"Surface",
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"PolyhedralSurface",
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"TIN",
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"Triangle", // 17
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};
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// Max extent edge for spherical mercator
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#define MVT_MAX_EXTENT 20037508.342789244
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#define MVT_M_PI 3.14159265358979323846
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#define MVT_M_PI_2 1.57079632679489661923
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#define MVT_DEG_TO_RAD 0.01745329251
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#define MVT_RAD_TO_DEG 57.2957795131
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/*
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void mvt_merc2lonlat(struct wkb_point *in)
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{
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// "Convert coordinate pair from epsg:3857 to epsg:4326"
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in->x = (in->x / MVT_MAX_EXTENT) * 180.0;
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in->y = (in->y / MVT_MAX_EXTENT) * 180.0;
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in->y = MVT_RAD_TO_DEG * (2.0 * atan(exp(in->y * MVT_DEG_TO_RAD)) - MVT_M_PI_2);
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// fprintf(stderr, "lat, lon: %f %f\n", x1, y1);
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}
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*/
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void get_mapnik_tilenumber(struct mapnik_tile *mt, double lat, double lon, int mapnik_zoom)
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{
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mt->x = (int)( ( lon + 180) / 360 * pow(2, mapnik_zoom) );
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mt->y = (int)( (1 - log(tan(MVT_DEG_TO_RAD * lat) + (1/(cos(MVT_DEG_TO_RAD * lat))) )/MVT_M_PI)/2 * pow(2, mapnik_zoom) );
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// dbg(0, "%d %d %f %f %d\n", mt->x, mt->y, lat, lon, mapnik_zoom);
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}
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void get_mapniktile_2_geo(int tile_x, int tile_y, int zoom, struct coord_geo *g)
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{
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float n;
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// double lat;
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// double lon;
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n = pow(2, zoom);
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g->lng = tile_x / n * 360.0 - 180.0;
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g->lat = MVT_RAD_TO_DEG * ( atan( sinh( MVT_M_PI * ( 1 - 2 * tile_y / n ))));
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}
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void draw_water_tile_new(int mapnik_zoom, int tile_x, int tile_y, struct displaylist *display_list)
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{
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struct color custom_color;
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struct graphics *gra = display_list->dc.gra;
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struct point *p_ring = malloc(sizeof(struct point) * 4);
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struct coord *c_ring = malloc(sizeof(struct coord) * 4);
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struct coord *c_temp = c_ring;
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struct coord_geo g_temp;
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int count;
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if (!gra->gc[0])
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{
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gra->gc[0] = graphics_gc_new(gra);
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}
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// water color: #82c8ea
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// 130, 200, 234
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custom_color.r = 130 << 8;
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custom_color.g = 200 << 8;
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custom_color.b = 234 << 8;
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custom_color.a = 0xffff;
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gra->gc[0]->meth.gc_set_foreground(gra->gc[0]->priv, &custom_color);
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count = 4;
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get_mapniktile_2_geo(tile_x, tile_y, mapnik_zoom, &g_temp);
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transform_from_geo(projection_mg, &g_temp, c_temp);
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c_temp++;
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get_mapniktile_2_geo(tile_x + 1, tile_y, mapnik_zoom, &g_temp);
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transform_from_geo(projection_mg, &g_temp, c_temp);
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c_temp++;
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get_mapniktile_2_geo(tile_x + 1, tile_y + 1, mapnik_zoom, &g_temp);
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transform_from_geo(projection_mg, &g_temp, c_temp);
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c_temp++;
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get_mapniktile_2_geo(tile_x, tile_y + 1, mapnik_zoom, &g_temp);
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transform_from_geo(projection_mg, &g_temp, c_temp);
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count = transform(global_navit->trans, projection_mg, c_ring, p_ring, count, 0, 0, NULL);
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gra->meth.draw_polygon(gra->priv, gra->gc[0]->priv, p_ring, count);
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}
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// vXolatile
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// __aXttribute__((optimize("O0")))
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void dummy_sub_against_crash(volatile uint32_t *x, volatile int *a)
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{
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*a = (int)*x;
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}
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void decode_mvt_tile(const char* basedir, FILE *mapfile, uint32_t compr_tilesize, int mapnik_zoom, int tile_x, int tile_y, struct displaylist *display_list)
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{
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dbg(0,"decode_mvt_tile:--ENTER--(tilex=%d,tiley=%d)\n", tile_x, tile_y);
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struct wkb_header *buffer_wkb_header = NULL;
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volatile char *buffer_compressed = NULL;
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volatile char *buffer_uncpr = NULL;
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// Bytef *buffer_uncpr = NULL;
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uLongf buffer_uncpr_len = -1;
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// unsigned long buffer_uncpr_end = -1;
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int res = -1;
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uint32_t *feature_count = NULL;
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// uint32_t *feature_len = NULL;
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uint32_t numrings = -1;
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// uint32_t numpolys = -1;
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volatile char *buffer_uncpr_pos = NULL;
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// void *buffer_uncpr_pos_save = NULL;
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// Bytef *buffer_uncpr_pos = NULL;
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// Bytef *buffer_uncpr_pos_save = NULL;
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int i = -1;
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int j = -1;
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int k = -1;
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int l = -1;
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int num_coords = 0;
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uint32_t *n = NULL;
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// double lat = 0;
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// uint64_t *lat_p = NULL;
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// double lon = 0;
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// uint64_t *lon_p = NULL;
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volatile struct wkb_point *point1 = NULL;
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// struct coord point2;
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// -------------- GFX -----------------
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// -------------- GFX -----------------
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// -------------- GFX -----------------
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volatile struct point *p_ring = g_malloc0(sizeof(struct point) * 20000); // 20000 points in 1 polygon max ?!
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volatile struct coord *c_ring = g_malloc0(sizeof(struct coord) * 20000); // 20000 coords in 1 polygon max ?!
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volatile struct coord *c_temp = c_ring;
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// struct coord_geo g_temp;
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struct graphics *gra = display_list->dc.gra;
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// struct graphics_gc *gc = display_list->dc.gc;
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struct color custom_color;
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int count = 0;
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if (!gra->gc[0])
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{
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gra->gc[0] = graphics_gc_new(gra);
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}
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// -------------- GFX -----------------
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// -------------- GFX -----------------
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// -------------- GFX -----------------
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dbg(0, "compressed len:%ld\n", (long)compr_tilesize);
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// fprintf(stderr, "0x%08x\n", compr_tilesize);
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buffer_compressed = g_malloc0((size_t)compr_tilesize);
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fread(buffer_compressed, compr_tilesize, 1, mapfile);
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buffer_uncpr_len = compr_tilesize * 20;
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// buffer_uncpr_end = buffer_uncpr + buffer_uncpr_len;
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buffer_uncpr = g_malloc0((size_t)buffer_uncpr_len);
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// int uncompress(Bytef * dest, uLongf * destLen, const Bytef * source, uLong sourceLen);
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res = uncompress((Bytef *)buffer_uncpr, &buffer_uncpr_len, (const Bytef *)buffer_compressed, compr_tilesize);
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// use different buffer ----------
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char *buffer_uncpr_2 = g_malloc0((size_t)buffer_uncpr_len);
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memcpy(buffer_uncpr_2, buffer_uncpr, (size_t)buffer_uncpr_len);
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g_free(buffer_uncpr);
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buffer_uncpr = buffer_uncpr_2;
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// use different buffer ----------
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if (res == Z_BUF_ERROR)
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{
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dbg(0, "res=Z_BUF_ERROR\n");
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}
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else if (res == Z_STREAM_ERROR)
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{
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dbg(0, "res=Z_STREAM_ERROR\n");
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}
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else if (res == Z_MEM_ERROR)
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{
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dbg(0, "res=Z_MEM_ERROR\n");
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}
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else if (res == Z_DATA_ERROR)
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{
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dbg(0, "res=Z_DATA_ERROR\n");
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}
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else
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{
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dbg(0, "res=%d\n", res);
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dbg(0, "un-compressed len:%ld\n", (long)buffer_uncpr_len);
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// dbg(0, "001\n");
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buffer_uncpr_pos = buffer_uncpr;
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buffer_uncpr_pos = buffer_uncpr_pos + 1; // skip to count
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// dbg(0, "002\n");
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// feature_count = (uint32_t *)buffer_uncpr_pos;
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feature_count = (void *)buffer_uncpr_pos;
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// dbg(0, "003\n");
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// ZZZ // *feature_count = swap_endian32(*feature_count);
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// dbg(0, "buffer_uncpr_pos=%p\n", buffer_uncpr_pos);
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// dbg(0, "feature_count=%p\n", feature_count);
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// dbg(0, "0x%08x\n", *feature_count);
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buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
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// dbg(0, "004\n");
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dbg(0, "geometry_count:%d\n", (int)*feature_count);
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// dbg(0, "005\n");
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// fprintf(stderr, "sizeof feature_count:%d\n", sizeof(uint32_t));
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int ff_count = (int)(*feature_count);
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// loop through geometries
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| 357 |
for(i=0;i<ff_count;i++)
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{
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dbg(0, "feature#:%d\n", i);
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| 361 |
/*
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| 362 |
feature_len = (void *)buffer_uncpr_pos;
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| 363 |
// ZZZ // *feature_len = swap_endian32(*feature_len);
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fprintf(stderr, "0x%08x\n", *feature_len);
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| 365 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
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| 366 |
dbg(0, " feature_len:%d\n", (int)*feature_len);
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*/
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// =======================
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| 371 |
// buffer_uncpr_pos_save = (void *)buffer_uncpr_pos; // save position
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| 372 |
// =======================
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| 373 |
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| 374 |
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| 375 |
// dbg(0, "006\n");
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buffer_wkb_header = (struct wkb_header *)buffer_uncpr_pos;
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| 377 |
// dbg(0, " is_little_endian:%d\n", (int)buffer_wkb_header->is_little_endian);
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| 378 |
// fprintf(stderr, " 0x%08x\n", (Bytef)buffer_wkb_header->is_little_endian);
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| 379 |
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| 380 |
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// dbg(0, "bupp:001:buffer_uncpr_pos=%p so=%d\n", buffer_uncpr_pos, sizeof(struct wkb_header));
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| 382 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(struct wkb_header);
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| 383 |
// dbg(0, "bupp:002:buffer_uncpr_pos=%p\n", buffer_uncpr_pos);
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| 384 |
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| 385 |
dbg(0, " feature type:%d\n", (int)buffer_wkb_header->type);
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| 386 |
// dbg(0, " feature type:%s\n", wkb_feature_type[(int)buffer_wkb_header->type]);
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| 387 |
|
| 388 |
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| 389 |
if (buffer_wkb_header->type == 3)
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| 390 |
{
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| 391 |
// Polygon --------------------------------------------
|
| 392 |
// Polygon --------------------------------------------
|
| 393 |
// Polygon --------------------------------------------
|
| 394 |
// n = (uint32_t *)buffer_uncpr_pos;
|
| 395 |
n = (void *)buffer_uncpr_pos;
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| 396 |
numrings = *n;
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| 397 |
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| 398 |
// dbg(0, " xxxxx\n");
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| 399 |
// dbg(0, " xxxxx\n");
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dbg(0, " numRings(1):%d\n", (int)*n);
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| 402 |
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| 403 |
// dbg(0, " xxxxx\n");
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| 404 |
// dbg(0, " xxxxx\n");
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| 405 |
// dbg(0, " xxxxx\n");
|
| 406 |
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| 407 |
// dbg(0, "bupp:003a:so=%d\n", sizeof(uint32_t));
|
| 408 |
// dbg(0, "bupp:003b:buffer_uncpr_pos=%p so=%d\n", buffer_uncpr_pos, sizeof(uint32_t));
|
| 409 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 410 |
// dbg(0, "bupp:004:buffer_uncpr_pos=%p\n", buffer_uncpr_pos);
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| 411 |
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| 412 |
|
| 413 |
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| 414 |
// dbg(0, "006aa.001\n");
|
| 415 |
|
| 416 |
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| 417 |
// -------------- GFX -----------------
|
| 418 |
// -------------- GFX -----------------
|
| 419 |
// -------------- GFX -----------------
|
| 420 |
count = 0;
|
| 421 |
|
| 422 |
// water color: #82c8ea
|
| 423 |
// 130, 200, 234
|
| 424 |
custom_color.r = 130 << 8;
|
| 425 |
custom_color.g = 200 << 8;
|
| 426 |
custom_color.b = 234 << 8;
|
| 427 |
|
| 428 |
custom_color.a = 0xffff;
|
| 429 |
|
| 430 |
// dbg(0, "006aa.002\n");
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| 431 |
|
| 432 |
// graphics_gc_set_foreground(gra->gc[0], &custom_color);
|
| 433 |
gra->gc[0]->meth.gc_set_foreground(gra->gc[0]->priv, &custom_color);
|
| 434 |
// -------------- GFX -----------------
|
| 435 |
// -------------- GFX -----------------
|
| 436 |
// -------------- GFX -----------------
|
| 437 |
|
| 438 |
|
| 439 |
// dbg(0, "006aa.003\n");
|
| 440 |
|
| 441 |
for(k=0;k<numrings;k++)
|
| 442 |
{
|
| 443 |
|
| 444 |
// dbg(0, "006aa.004:%d\n", k);
|
| 445 |
|
| 446 |
|
| 447 |
// n = (uint32_t *)buffer_uncpr_pos;
|
| 448 |
n = (void *)buffer_uncpr_pos;
|
| 449 |
// dbg(0, "006aa.005\n");
|
| 450 |
num_coords = (int)(*n);
|
| 451 |
// dbg(0, "006aa.006\n");
|
| 452 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 453 |
// dbg(0, "006aa.007\n");
|
| 454 |
|
| 455 |
|
| 456 |
// -------------- GFX -----------------
|
| 457 |
// -------------- GFX -----------------
|
| 458 |
// -------------- GFX -----------------
|
| 459 |
count = 0;
|
| 460 |
// dbg(0, "006aa.008\n");
|
| 461 |
c_temp = c_ring;
|
| 462 |
// dbg(0, "006aa.009\n");
|
| 463 |
// -------------- GFX -----------------
|
| 464 |
// -------------- GFX -----------------
|
| 465 |
// -------------- GFX -----------------
|
| 466 |
|
| 467 |
|
| 468 |
dbg(0, " num of coords:%d\n", num_coords);
|
| 469 |
|
| 470 |
for(j=0;j<num_coords;j++)
|
| 471 |
{
|
| 472 |
// fprintf(stderr, " size of double:%d\n", sizeof(lat));
|
| 473 |
|
| 474 |
point1 = (void *)buffer_uncpr_pos;
|
| 475 |
c_temp->x = point1->x;
|
| 476 |
c_temp->y = point1->y;
|
| 477 |
// ** // mvt_merc2lonlat(&point2);
|
| 478 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(struct wkb_point);
|
| 479 |
|
| 480 |
// dbg(0, " lat,lon [%d] %lf %lf\n", j, point2.x, point2.y);
|
| 481 |
//fprintf(stderr, "%016llx\n", (long long unsigned int)point1->x);
|
| 482 |
//mvt_print_binary_64((uint32_t)point1->x);
|
| 483 |
//fprintf(stderr, "%016llx\n", (long long unsigned int)point1->y);
|
| 484 |
//mvt_print_binary_64((uint32_t)point1->y);
|
| 485 |
|
| 486 |
// -------------- GFX -----------------
|
| 487 |
// -------------- GFX -----------------
|
| 488 |
// -------------- GFX -----------------
|
| 489 |
// ** // g_temp.lat = point2.y;
|
| 490 |
// ** // g_temp.lng = point2.x;
|
| 491 |
// ** // transform_from_geo(projection_mg, &g_temp, c_temp);
|
| 492 |
count++;
|
| 493 |
c_temp++;
|
| 494 |
// -------------- GFX -----------------
|
| 495 |
// -------------- GFX -----------------
|
| 496 |
// -------------- GFX -----------------
|
| 497 |
|
| 498 |
|
| 499 |
}
|
| 500 |
|
| 501 |
|
| 502 |
// -------------- GFX -----------------
|
| 503 |
// -------------- GFX -----------------
|
| 504 |
// -------------- GFX -----------------
|
| 505 |
if (count > 0)
|
| 506 |
{
|
| 507 |
count = transform(global_navit->trans, projection_mg, c_ring, p_ring, count, 0, 0, NULL);
|
| 508 |
|
| 509 |
//Z//graphics_draw_polygon_clipped(gra, display_list->dc.gc, p_ring, count);
|
| 510 |
gra->meth.draw_polygon(gra->priv, gra->gc[0]->priv, p_ring, count);
|
| 511 |
//Z//gra->meth.draw_polygon(gra, display_list->dc.gc, p_ring, count);
|
| 512 |
}
|
| 513 |
// -------------- GFX -----------------
|
| 514 |
// -------------- GFX -----------------
|
| 515 |
// -------------- GFX -----------------
|
| 516 |
|
| 517 |
|
| 518 |
|
| 519 |
}
|
| 520 |
|
| 521 |
// Polygon --------------------------------------------
|
| 522 |
// Polygon --------------------------------------------
|
| 523 |
// Polygon --------------------------------------------
|
| 524 |
}
|
| 525 |
else if (buffer_wkb_header->type == 7)
|
| 526 |
{
|
| 527 |
// GeometryCollection ---------------------------------
|
| 528 |
// GeometryCollection ---------------------------------
|
| 529 |
// GeometryCollection ---------------------------------
|
| 530 |
|
| 531 |
|
| 532 |
// inside:
|
| 533 |
// Point:1 --> *ignore*
|
| 534 |
// Polygon:3 --> process
|
| 535 |
|
| 536 |
int numgeoms; dummy_sub_against_crash((void *) buffer_uncpr_pos, &numgeoms);
|
| 537 |
|
| 538 |
dbg(0, " numgeoms:%d\n", numgeoms);
|
| 539 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 540 |
|
| 541 |
|
| 542 |
int ge;
|
| 543 |
for(ge=0;ge<numgeoms;ge++)
|
| 544 |
{
|
| 545 |
dbg(0, " geom#:%d\n", ge);
|
| 546 |
|
| 547 |
struct wkb_header *buffer_wkb_header = NULL;
|
| 548 |
buffer_wkb_header = (struct wkb_header *)buffer_uncpr_pos;
|
| 549 |
dbg(0, " geom type:%d\n", (int)buffer_wkb_header->type);
|
| 550 |
|
| 551 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(struct wkb_header);
|
| 552 |
|
| 553 |
if (buffer_wkb_header->type == 3)
|
| 554 |
{
|
| 555 |
// Polygon --------------------------------------------
|
| 556 |
// Polygon --------------------------------------------
|
| 557 |
// Polygon --------------------------------------------
|
| 558 |
// n = (uint32_t *)buffer_uncpr_pos;
|
| 559 |
n = (void *)buffer_uncpr_pos;
|
| 560 |
numrings = *n;
|
| 561 |
|
| 562 |
// dbg(0, " xxxxx\n");
|
| 563 |
// dbg(0, " xxxxx\n");
|
| 564 |
|
| 565 |
dbg(0, " numRings(1):%d\n", (int)*n);
|
| 566 |
|
| 567 |
// dbg(0, " xxxxx\n");
|
| 568 |
// dbg(0, " xxxxx\n");
|
| 569 |
// dbg(0, " xxxxx\n");
|
| 570 |
|
| 571 |
// dbg(0, "bupp:003a:so=%d\n", sizeof(uint32_t));
|
| 572 |
// dbg(0, "bupp:003b:buffer_uncpr_pos=%p so=%d\n", buffer_uncpr_pos, sizeof(uint32_t));
|
| 573 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 574 |
// dbg(0, "bupp:004:buffer_uncpr_pos=%p\n", buffer_uncpr_pos);
|
| 575 |
|
| 576 |
|
| 577 |
|
| 578 |
// dbg(0, "006aa.001\n");
|
| 579 |
|
| 580 |
|
| 581 |
// -------------- GFX -----------------
|
| 582 |
// -------------- GFX -----------------
|
| 583 |
// -------------- GFX -----------------
|
| 584 |
count = 0;
|
| 585 |
|
| 586 |
// water color: #82c8ea
|
| 587 |
// 130, 200, 234
|
| 588 |
custom_color.r = 130 << 8;
|
| 589 |
custom_color.g = 200 << 8;
|
| 590 |
custom_color.b = 234 << 8;
|
| 591 |
|
| 592 |
custom_color.a = 0xffff;
|
| 593 |
|
| 594 |
// dbg(0, "006aa.002\n");
|
| 595 |
|
| 596 |
// graphics_gc_set_foreground(gra->gc[0], &custom_color);
|
| 597 |
gra->gc[0]->meth.gc_set_foreground(gra->gc[0]->priv, &custom_color);
|
| 598 |
// -------------- GFX -----------------
|
| 599 |
// -------------- GFX -----------------
|
| 600 |
// -------------- GFX -----------------
|
| 601 |
|
| 602 |
|
| 603 |
// dbg(0, "006aa.003\n");
|
| 604 |
|
| 605 |
for(k=0;k<numrings;k++)
|
| 606 |
{
|
| 607 |
|
| 608 |
// dbg(0, "006aa.004:%d\n", k);
|
| 609 |
|
| 610 |
|
| 611 |
// n = (uint32_t *)buffer_uncpr_pos;
|
| 612 |
n = (void *)buffer_uncpr_pos;
|
| 613 |
// dbg(0, "006aa.005\n");
|
| 614 |
num_coords = (int)(*n);
|
| 615 |
// dbg(0, "006aa.006\n");
|
| 616 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 617 |
// dbg(0, "006aa.007\n");
|
| 618 |
|
| 619 |
|
| 620 |
// -------------- GFX -----------------
|
| 621 |
// -------------- GFX -----------------
|
| 622 |
// -------------- GFX -----------------
|
| 623 |
count = 0;
|
| 624 |
// dbg(0, "006aa.008\n");
|
| 625 |
c_temp = c_ring;
|
| 626 |
// dbg(0, "006aa.009\n");
|
| 627 |
// -------------- GFX -----------------
|
| 628 |
// -------------- GFX -----------------
|
| 629 |
// -------------- GFX -----------------
|
| 630 |
|
| 631 |
|
| 632 |
dbg(0, " num of coords:%d\n", num_coords);
|
| 633 |
|
| 634 |
for(j=0;j<num_coords;j++)
|
| 635 |
{
|
| 636 |
// fprintf(stderr, " size of double:%d\n", sizeof(lat));
|
| 637 |
|
| 638 |
point1 = (void *)buffer_uncpr_pos;
|
| 639 |
c_temp->x = point1->x;
|
| 640 |
c_temp->y = point1->y;
|
| 641 |
// ** // mvt_merc2lonlat(&point2);
|
| 642 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(struct wkb_point);
|
| 643 |
|
| 644 |
// dbg(0, " lat,lon [%d] %lf %lf\n", j, point2.x, point2.y);
|
| 645 |
//fprintf(stderr, "%016llx\n", (long long unsigned int)point1->x);
|
| 646 |
//mvt_print_binary_64((uint32_t)point1->x);
|
| 647 |
//fprintf(stderr, "%016llx\n", (long long unsigned int)point1->y);
|
| 648 |
//mvt_print_binary_64((uint32_t)point1->y);
|
| 649 |
|
| 650 |
// -------------- GFX -----------------
|
| 651 |
// -------------- GFX -----------------
|
| 652 |
// -------------- GFX -----------------
|
| 653 |
// ** // g_temp.lat = point2.y;
|
| 654 |
// ** // g_temp.lng = point2.x;
|
| 655 |
// ** // transform_from_geo(projection_mg, &g_temp, c_temp);
|
| 656 |
count++;
|
| 657 |
c_temp++;
|
| 658 |
// -------------- GFX -----------------
|
| 659 |
// -------------- GFX -----------------
|
| 660 |
// -------------- GFX -----------------
|
| 661 |
|
| 662 |
|
| 663 |
}
|
| 664 |
|
| 665 |
|
| 666 |
// -------------- GFX -----------------
|
| 667 |
// -------------- GFX -----------------
|
| 668 |
// -------------- GFX -----------------
|
| 669 |
if (count > 0)
|
| 670 |
{
|
| 671 |
count = transform(global_navit->trans, projection_mg, c_ring, p_ring, count, 0, 0, NULL);
|
| 672 |
|
| 673 |
//Z//graphics_draw_polygon_clipped(gra, display_list->dc.gc, p_ring, count);
|
| 674 |
gra->meth.draw_polygon(gra->priv, gra->gc[0]->priv, p_ring, count);
|
| 675 |
//Z//gra->meth.draw_polygon(gra, display_list->dc.gc, p_ring, count);
|
| 676 |
}
|
| 677 |
// -------------- GFX -----------------
|
| 678 |
// -------------- GFX -----------------
|
| 679 |
// -------------- GFX -----------------
|
| 680 |
|
| 681 |
|
| 682 |
|
| 683 |
}
|
| 684 |
|
| 685 |
// Polygon --------------------------------------------
|
| 686 |
// Polygon --------------------------------------------
|
| 687 |
// Polygon --------------------------------------------
|
| 688 |
}
|
| 689 |
else if (buffer_wkb_header->type == 1)
|
| 690 |
{
|
| 691 |
// Point -> *ignore* (skip over)
|
| 692 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t); // dummy value
|
| 693 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(struct wkb_point); // coordinate
|
| 694 |
}
|
| 695 |
|
| 696 |
}
|
| 697 |
|
| 698 |
// GeometryCollection ---------------------------------
|
| 699 |
// GeometryCollection ---------------------------------
|
| 700 |
// GeometryCollection ---------------------------------
|
| 701 |
}
|
| 702 |
else if (buffer_wkb_header->type == 4)
|
| 703 |
{
|
| 704 |
// Multipoint -----------------------------------------
|
| 705 |
// Multipoint -----------------------------------------
|
| 706 |
// Multipoint -----------------------------------------
|
| 707 |
|
| 708 |
// *ignore*
|
| 709 |
|
| 710 |
int num_m_points; dummy_sub_against_crash((void *) buffer_uncpr_pos, &num_m_points);
|
| 711 |
dbg(0, " num_m_points:%d\n", num_m_points);
|
| 712 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 713 |
|
| 714 |
int l1;
|
| 715 |
for(l1=0;l1<num_m_points;l1++)
|
| 716 |
{
|
| 717 |
dbg(0, " point#:%d\n", l1);
|
| 718 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(struct wkb_point); // coordinate
|
| 719 |
}
|
| 720 |
|
| 721 |
// Multipoint -----------------------------------------
|
| 722 |
// Multipoint -----------------------------------------
|
| 723 |
// Multipoint -----------------------------------------
|
| 724 |
}
|
| 725 |
else if (buffer_wkb_header->type == 6)
|
| 726 |
{
|
| 727 |
// MultiPolygon ---------------------------------------
|
| 728 |
// MultiPolygon ---------------------------------------
|
| 729 |
// MultiPolygon ---------------------------------------
|
| 730 |
|
| 731 |
// n = (void *)buffer_uncpr_pos;
|
| 732 |
// numpolys = *n;
|
| 733 |
|
| 734 |
int numpolys; dummy_sub_against_crash((void *) buffer_uncpr_pos, &numpolys);
|
| 735 |
|
| 736 |
dbg(0, " numpolys:%d\n", numpolys);
|
| 737 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 738 |
|
| 739 |
|
| 740 |
// -------------- GFX -----------------
|
| 741 |
// -------------- GFX -----------------
|
| 742 |
// -------------- GFX -----------------
|
| 743 |
count = 0;
|
| 744 |
|
| 745 |
// water color: #82c8ea
|
| 746 |
// 130, 200, 234
|
| 747 |
custom_color.r = 130 << 8;
|
| 748 |
custom_color.g = 200 << 8;
|
| 749 |
custom_color.b = 234 << 8;
|
| 750 |
|
| 751 |
custom_color.a = 0xffff;
|
| 752 |
|
| 753 |
//graphics_gc_set_foreground(gra->gc[0], &custom_color);
|
| 754 |
gra->gc[0]->meth.gc_set_foreground(gra->gc[0]->priv, &custom_color);
|
| 755 |
|
| 756 |
// -------------- GFX -----------------
|
| 757 |
// -------------- GFX -----------------
|
| 758 |
// -------------- GFX -----------------
|
| 759 |
|
| 760 |
for(l=0;l<numpolys;l++)
|
| 761 |
{
|
| 762 |
|
| 763 |
dbg(0, " poly#:%d\n", l);
|
| 764 |
|
| 765 |
// *unused* // buffer_wkb_header = (void *)buffer_uncpr_pos;
|
| 766 |
|
| 767 |
// dbg(0, " is_little_endian:%d\n", (int)buffer_wkb_header->is_little_endian);
|
| 768 |
// fprintf(stderr, " 0x%08x\n", (Bytef)buffer_wkb_header->is_little_endian);
|
| 769 |
|
| 770 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(struct wkb_header);
|
| 771 |
|
| 772 |
// Polygon --------------------------------------------
|
| 773 |
// Polygon --------------------------------------------
|
| 774 |
// Polygon --------------------------------------------
|
| 775 |
|
| 776 |
// uint32_t *n3 = NULL;
|
| 777 |
// n3 = (void *)buffer_uncpr_pos;
|
| 778 |
// numrings = (int) *n3;
|
| 779 |
|
| 780 |
int numrings; dummy_sub_against_crash((void *) buffer_uncpr_pos, &numrings);
|
| 781 |
|
| 782 |
dbg(0, " numRings(2):%d\n", numrings);
|
| 783 |
// dbg(0, "0077aa.001\n");
|
| 784 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 785 |
// dbg(0, "0077aa.002 %p\n", buffer_uncpr_pos);
|
| 786 |
|
| 787 |
// dbg(0, "xxaa\n");
|
| 788 |
|
| 789 |
for(k=0;k<numrings;k++)
|
| 790 |
{
|
| 791 |
|
| 792 |
// dbg(0, "0077aa.003 %d\n", k);
|
| 793 |
|
| 794 |
// -------------- GFX -----------------
|
| 795 |
// -------------- GFX -----------------
|
| 796 |
// -------------- GFX -----------------
|
| 797 |
count = 0;
|
| 798 |
c_temp = c_ring;
|
| 799 |
|
| 800 |
// dbg(0, "0077aa.004\n");
|
| 801 |
|
| 802 |
if (k == 0)
|
| 803 |
{
|
| 804 |
// water color: #82c8ea
|
| 805 |
// 130, 200, 234
|
| 806 |
custom_color.r = 130 << 8;
|
| 807 |
custom_color.g = 200 << 8;
|
| 808 |
custom_color.b = 234 << 8;
|
| 809 |
|
| 810 |
// graphics_gc_set_foreground(gra->gc[0], &custom_color);
|
| 811 |
gra->gc[0]->meth.gc_set_foreground(gra->gc[0]->priv, &custom_color);
|
| 812 |
}
|
| 813 |
else
|
| 814 |
{
|
| 815 |
if (global_night_mode == 1)
|
| 816 |
{
|
| 817 |
// bg color: #666666
|
| 818 |
// 102, 102, 102
|
| 819 |
custom_color.r = 102 << 8;
|
| 820 |
custom_color.g = 102 << 8;
|
| 821 |
custom_color.b = 102 << 8;
|
| 822 |
}
|
| 823 |
else
|
| 824 |
{
|
| 825 |
// bg color: #fef9ee
|
| 826 |
// 254, 249, 238
|
| 827 |
custom_color.r = 254 << 8;
|
| 828 |
custom_color.g = 249 << 8;
|
| 829 |
custom_color.b = 238 << 8;
|
| 830 |
}
|
| 831 |
|
| 832 |
// graphics_gc_set_foreground(gra->gc[0], &custom_color);
|
| 833 |
gra->gc[0]->meth.gc_set_foreground(gra->gc[0]->priv, &custom_color);
|
| 834 |
|
| 835 |
}
|
| 836 |
// -------------- GFX -----------------
|
| 837 |
// -------------- GFX -----------------
|
| 838 |
// -------------- GFX -----------------
|
| 839 |
|
| 840 |
// dbg(0, "0077aa.006 %p\n", buffer_uncpr_pos);
|
| 841 |
// uint32_t *n2 = NULL;
|
| 842 |
// n2 = buffer_uncpr_pos;
|
| 843 |
|
| 844 |
// #define X_DEBUG_BUILD_ 222
|
| 845 |
|
| 846 |
// dbg(0, "0077aa.007 %p\n", buffer_uncpr_pos);
|
| 847 |
// dbg(0, "0077aa.007a %d\n", *n2);
|
| 848 |
|
| 849 |
|
| 850 |
int num_coords; dummy_sub_against_crash((void *) buffer_uncpr_pos, &num_coords);
|
| 851 |
// int num_coords = 2;
|
| 852 |
|
| 853 |
// num_coords = (int)*n2;
|
| 854 |
|
| 855 |
// dbg(0, "0077aa.008 num_coords=%d\n", num_coords);
|
| 856 |
|
| 857 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(uint32_t);
|
| 858 |
|
| 859 |
// dbg(0, "0077aa.009 %p\n", buffer_uncpr_pos);
|
| 860 |
|
| 861 |
dbg(0, " num of coords:%d\n", num_coords);
|
| 862 |
|
| 863 |
for(j=0;j<num_coords;j++)
|
| 864 |
{
|
| 865 |
// fprintf(stderr, " size of double:%d\n", sizeof(lat));
|
| 866 |
|
| 867 |
point1 = (void *)buffer_uncpr_pos;
|
| 868 |
c_temp->x = point1->x;
|
| 869 |
c_temp->y = point1->y;
|
| 870 |
// ** // mvt_merc2lonlat(&point2);
|
| 871 |
buffer_uncpr_pos = buffer_uncpr_pos + sizeof(struct wkb_point);
|
| 872 |
|
| 873 |
|
| 874 |
// dbg(0, " lat,lon [%d] %d %d\n", j, (int)point1->x, (int)point1->y);
|
| 875 |
|
| 876 |
//fprintf(stderr, "0x%08x\n", (uint32_t)point1->x);
|
| 877 |
//mvt_print_binary_64((uint32_t)point1->x);
|
| 878 |
//fprintf(stderr, "0x%08x\n", (uint32_t)point1->y);
|
| 879 |
//mvt_print_binary_64((uint32_t)point1->y);
|
| 880 |
|
| 881 |
// -------------- GFX -----------------
|
| 882 |
// -------------- GFX -----------------
|
| 883 |
// -------------- GFX -----------------
|
| 884 |
//g_temp.lat = point2.y;
|
| 885 |
//g_temp.lng = point2.x;
|
| 886 |
//transform_from_geo(projection_mg, &g_temp, c_temp);
|
| 887 |
count++;
|
| 888 |
c_temp++;
|
| 889 |
// -------------- GFX -----------------
|
| 890 |
// -------------- GFX -----------------
|
| 891 |
// -------------- GFX -----------------
|
| 892 |
|
| 893 |
}
|
| 894 |
|
| 895 |
// dbg(0, " XX1\n");
|
| 896 |
|
| 897 |
// -------------- GFX -----------------
|
| 898 |
// -------------- GFX -----------------
|
| 899 |
// -------------- GFX -----------------
|
| 900 |
if (count > 0)
|
| 901 |
{
|
| 902 |
count = transform(global_navit->trans, projection_mg, c_ring, p_ring, count, 0, 0, NULL);
|
| 903 |
//Z//graphics_draw_polygon_clipped(gra, display_list->dc.gc, p_ring, count);
|
| 904 |
gra->meth.draw_polygon(gra->priv, gra->gc[0]->priv, p_ring, count);
|
| 905 |
//Z//gra->meth.draw_polygon(gra, display_list->dc.gc, p_ring, count);
|
| 906 |
}
|
| 907 |
// -------------- GFX -----------------
|
| 908 |
// -------------- GFX -----------------
|
| 909 |
// -------------- GFX -----------------
|
| 910 |
|
| 911 |
}
|
| 912 |
// Polygon --------------------------------------------
|
| 913 |
// Polygon --------------------------------------------
|
| 914 |
// Polygon --------------------------------------------
|
| 915 |
|
| 916 |
|
| 917 |
//dbg(0, " XX6\n");
|
| 918 |
}
|
| 919 |
|
| 920 |
//dbg(0, " XX7\n");
|
| 921 |
|
| 922 |
// MultiPolygon ---------------------------------------
|
| 923 |
// MultiPolygon ---------------------------------------
|
| 924 |
// MultiPolygon ---------------------------------------
|
| 925 |
|
| 926 |
}
|
| 927 |
|
| 928 |
dbg(0, " XX8a\n");
|
| 929 |
|
| 930 |
// =======================
|
| 931 |
// buffer_uncpr_pos = buffer_uncpr_pos_save + (long)*feature_len; // use save position as start here
|
| 932 |
// =======================
|
| 933 |
|
| 934 |
//dbg(0, " XX8b\n");
|
| 935 |
|
| 936 |
}
|
| 937 |
|
| 938 |
dbg(0, " XX9\n");
|
| 939 |
|
| 940 |
}
|
| 941 |
|
| 942 |
dbg(0, " XX10\n");
|
| 943 |
|
| 944 |
g_free(buffer_compressed);
|
| 945 |
buffer_compressed = NULL;
|
| 946 |
|
| 947 |
dbg(0, " XX11\n");
|
| 948 |
|
| 949 |
g_free(buffer_uncpr);
|
| 950 |
buffer_uncpr = NULL;
|
| 951 |
|
| 952 |
dbg(0, " XX12\n");
|
| 953 |
|
| 954 |
// -------------- GFX -----------------
|
| 955 |
// -------------- GFX -----------------
|
| 956 |
// -------------- GFX -----------------
|
| 957 |
g_free(p_ring);
|
| 958 |
//dbg(0, " XX13\n");
|
| 959 |
g_free(c_ring);
|
| 960 |
//dbg(0, " XX14\n");
|
| 961 |
// -------------- GFX -----------------
|
| 962 |
// -------------- GFX -----------------
|
| 963 |
// -------------- GFX -----------------
|
| 964 |
|
| 965 |
|
| 966 |
|
| 967 |
|
| 968 |
dbg(0,"decode_mvt_tile:--LEAVE--\n");
|
| 969 |
|
| 970 |
|
| 971 |
}
|
| 972 |
|
| 973 |
|
| 974 |
void loop_mapnik_tiles(double lat_lt, double lon_lt, double lat_cn, double lon_cn, double lat_rb, double lon_rb, int mapnik_zoom, const char* basedir, struct displaylist *display_list)
|
| 975 |
{
|
| 976 |
// loop thru all mapniktiles in this bbox and call something
|
| 977 |
|
| 978 |
struct mapnik_tile mnt_lt;
|
| 979 |
struct mapnik_tile mnt_cn;
|
| 980 |
struct mapnik_tile mnt_rb;
|
| 981 |
int i;
|
| 982 |
int j;
|
| 983 |
int d_lat;
|
| 984 |
int d_lon;
|
| 985 |
float d_lat_f;
|
| 986 |
float d_lon_f;
|
| 987 |
int d_max;
|
| 988 |
int base_x;
|
| 989 |
int base_y;
|
| 990 |
int d2_lat;
|
| 991 |
int d2_lon;
|
| 992 |
float d2_lat_f;
|
| 993 |
float d2_lon_f;
|
| 994 |
int d2_max;
|
| 995 |
int color;
|
| 996 |
int tile_x;
|
| 997 |
int tile_y;
|
| 998 |
int overlap = 1; // tiles more than needed around the bbox
|
| 999 |
int is_ok = 0;
|
| 1000 |
|
| 1001 |
FILE *mapfile_zvt = NULL;
|
| 1002 |
char *filename = NULL;
|
| 1003 |
struct zvt_header *buffer = NULL;
|
| 1004 |
// char *buffer2 = NULL;
|
| 1005 |
long long header_start = 4; // hard coded
|
| 1006 |
uint64_t tile_x_header_start = 0;
|
| 1007 |
uint32_t tile_y_offset = 0;
|
| 1008 |
uint32_t tile_y_offset_end = 0;
|
| 1009 |
uint32_t compr_size = 0;
|
| 1010 |
|
| 1011 |
|
| 1012 |
filename = malloc(5000);
|
| 1013 |
if (filename)
|
| 1014 |
{
|
| 1015 |
sprintf(filename, "%s/coastline.bin", basedir);
|
| 1016 |
// dbg(0, "filename=%s\n", filename);
|
| 1017 |
|
| 1018 |
mapfile_zvt = fopen(filename, "rb");
|
| 1019 |
|
| 1020 |
is_ok = 1;
|
| 1021 |
|
| 1022 |
if ((mapfile_zvt) && (is_ok))
|
| 1023 |
{
|
| 1024 |
|
| 1025 |
buffer = malloc(sizeof(struct zvt_header));
|
| 1026 |
fread(buffer, sizeof(struct zvt_header), 1, mapfile_zvt);
|
| 1027 |
// buffer2 = buffer;
|
| 1028 |
// buffer2[sizeof(struct zvt_header)] = '\0';
|
| 1029 |
// dbg(0, "header=%s\n", buffer2);
|
| 1030 |
free(buffer);
|
| 1031 |
|
| 1032 |
|
| 1033 |
get_mapnik_tilenumber(&mnt_lt, lat_lt, lon_lt, mapnik_zoom);
|
| 1034 |
get_mapnik_tilenumber(&mnt_cn, lat_cn, lon_cn, mapnik_zoom);
|
| 1035 |
get_mapnik_tilenumber(&mnt_rb, lat_rb, lon_rb, mapnik_zoom);
|
| 1036 |
|
| 1037 |
/*
|
| 1038 |
struct point_rect *r;
|
| 1039 |
if (global_navit->trans->screen_sel)
|
| 1040 |
{
|
| 1041 |
r = &global_navit->trans->screen_sel->u.p_rect;
|
| 1042 |
screen_width = r->rl.x - r->lu.x;
|
| 1043 |
screen_height = r->rl.y - r->lu.y;
|
| 1044 |
dbg(0, "transform_get_size:w=%d h=%d\n", screen_width, screen_height);
|
| 1045 |
dbg(0, "transform_get_size:%d %d %d %d\n", r->rl.x, r->rl.y, r->lu.x, r->lu.y);
|
| 1046 |
}
|
| 1047 |
*/
|
| 1048 |
|
| 1049 |
|
| 1050 |
d_lat = (mnt_lt.y) - (mnt_cn.y);
|
| 1051 |
d_lon = (mnt_lt.x) - (mnt_cn.x);
|
| 1052 |
d_max = abs(d_lon);
|
| 1053 |
if (abs(d_lat) > abs(d_lon))
|
| 1054 |
{
|
| 1055 |
d_max = abs(d_lat);
|
| 1056 |
}
|
| 1057 |
|
| 1058 |
if (d_max > 0)
|
| 1059 |
{
|
| 1060 |
d_lat_f = (float)d_lat / (float)d_max;
|
| 1061 |
d_lon_f = (float)d_lon / (float)d_max;
|
| 1062 |
}
|
| 1063 |
else
|
| 1064 |
{
|
| 1065 |
d_lat_f = 0.0;
|
| 1066 |
d_lon_f = 0.0;
|
| 1067 |
}
|
| 1068 |
// dbg(0, "%f %f %f %f %f\n", (float)d_lat_f, (float)d_lon_f, (float)d_max, (float)d_lat, (float)d_lon);
|
| 1069 |
|
| 1070 |
|
| 1071 |
d2_lat = (mnt_rb.y) - (mnt_cn.y);
|
| 1072 |
d2_lon = (mnt_rb.x) - (mnt_cn.x);
|
| 1073 |
d2_max = abs(d2_lon);
|
| 1074 |
if (abs(d2_lat) > abs(d2_lon))
|
| 1075 |
{
|
| 1076 |
d2_max = abs(d2_lat);
|
| 1077 |
}
|
| 1078 |
|
| 1079 |
if (d2_max > 0)
|
| 1080 |
{
|
| 1081 |
d2_lat_f = (float)d2_lat / (float)d2_max;
|
| 1082 |
d2_lon_f = (float)d2_lon / (float)d2_max;
|
| 1083 |
}
|
| 1084 |
else
|
| 1085 |
{
|
| 1086 |
d2_lat_f = 0.0;
|
| 1087 |
d2_lon_f = 0.0;
|
| 1088 |
}
|
| 1089 |
// dbg(0, "%f %f %f %f %f\n", (float)d2_lat_f, (float)d2_lon_f, (float)d2_max, (float)d2_lat, (float)d2_lon);
|
| 1090 |
|
| 1091 |
// lon == x
|
| 1092 |
// lat == y
|
| 1093 |
color = 2;
|
| 1094 |
for(i=-overlap;i<(d2_max + 1 + overlap);i++)
|
| 1095 |
{
|
| 1096 |
base_y = (int)((float)i * (d2_lat_f));
|
| 1097 |
base_x = (int)((float)i * (d2_lon_f));
|
| 1098 |
// dbg(0, "%d:%d %d\n", i, base_x, base_y);
|
| 1099 |
|
| 1100 |
color = 3 - color; // color = toggle between "1" and "2"
|
| 1101 |
for(j=-overlap;j<(d_max + 1 + overlap);j++)
|
| 1102 |
{
|
| 1103 |
tile_y = mnt_cn.y + base_y + (int)((float)j * (d_lat_f));
|
| 1104 |
tile_x = mnt_cn.x + base_x + (int)((float)j * (d_lon_f));
|
| 1105 |
|
| 1106 |
// int old_y = tile_y;
|
| 1107 |
// int old_x = tile_x;
|
| 1108 |
// tile_x = 0;
|
| 1109 |
// tile_y = 0;
|
| 1110 |
|
| 1111 |
// dbg(0, "tile:%d/%d/%d\n", mapnik_zoom, tile_x, tile_y);
|
| 1112 |
|
| 1113 |
if ((tile_x < 0) || (tile_x > 4095) || (tile_y < 0) || (tile_y > 4095))
|
| 1114 |
{
|
| 1115 |
// ERROR
|
| 1116 |
}
|
| 1117 |
else
|
| 1118 |
{
|
| 1119 |
|
| 1120 |
fseeko(mapfile_zvt, (off_t)(header_start + (tile_x * 8)), SEEK_SET);
|
| 1121 |
// dbg(0, "1s=%lld\n", (long long)(header_start + (tile_x * 8)));
|
| 1122 |
fread(&tile_x_header_start, 8, 1, mapfile_zvt);
|
| 1123 |
// dbg(0, "1res=%lld\n", (long long)(tile_x_header_start));
|
| 1124 |
fseeko(mapfile_zvt, (off_t)(tile_x_header_start + (tile_y * 4)), SEEK_SET);
|
| 1125 |
// dbg(0, "2s=%lld\n", (long long)(tile_x_header_start + (tile_y * 4)));
|
| 1126 |
fread(&tile_y_offset, 4, 1, mapfile_zvt);
|
| 1127 |
// dbg(0, "2res-a=%lld\n", (long long)(tile_y_offset));
|
| 1128 |
fread(&tile_y_offset_end, 4, 1, mapfile_zvt);
|
| 1129 |
// dbg(0, "2res-b=%lld\n", (long long)(tile_y_offset_end));
|
| 1130 |
fseeko(mapfile_zvt, (off_t)(tile_x_header_start + tile_y_offset), SEEK_SET);
|
| 1131 |
// dbg(0, "3s=%lld\n", (long long)(tile_x_header_start + tile_y_offset));
|
| 1132 |
|
| 1133 |
compr_size = (tile_y_offset_end - tile_y_offset);
|
| 1134 |
// dbg(0, "zvt:tile x:%d y:%d compr. size=%ld\n", tile_x, tile_y, (long)(compr_size));
|
| 1135 |
|
| 1136 |
|
| 1137 |
// tile_y = old_y;
|
| 1138 |
// tile_x = old_x;
|
| 1139 |
|
| 1140 |
if (compr_size == 0)
|
| 1141 |
{
|
| 1142 |
// EMPTY
|
| 1143 |
}
|
| 1144 |
else if (compr_size == 1)
|
| 1145 |
{
|
| 1146 |
// water square
|
| 1147 |
// dbg(0, "zvt:water square x:%d y:%d\n", tile_x, tile_y);
|
| 1148 |
draw_water_tile_new(mapnik_zoom, tile_x, tile_y, display_list);
|
| 1149 |
}
|
| 1150 |
else if (compr_size < 0)
|
| 1151 |
{
|
| 1152 |
// ERROR
|
| 1153 |
}
|
| 1154 |
else if (compr_size > 500000)
|
| 1155 |
{
|
| 1156 |
// ERROR
|
| 1157 |
}
|
| 1158 |
else
|
| 1159 |
{
|
| 1160 |
decode_mvt_tile(basedir, mapfile_zvt, compr_size, mapnik_zoom, tile_x, tile_y, display_list);
|
| 1161 |
}
|
| 1162 |
}
|
| 1163 |
}
|
| 1164 |
}
|
| 1165 |
|
| 1166 |
fclose(mapfile_zvt);
|
| 1167 |
|
| 1168 |
}
|
| 1169 |
|
| 1170 |
free(filename);
|
| 1171 |
}
|
| 1172 |
}
|
| 1173 |
|
| 1174 |
/*
|
| 1175 |
void mvt_print_binary_64(uint64_t n)
|
| 1176 |
{
|
| 1177 |
int c;
|
| 1178 |
|
| 1179 |
for(c=0;c<64;c++)
|
| 1180 |
{
|
| 1181 |
// fprintf(stderr, "c=%d\n", c);
|
| 1182 |
if (n & 1)
|
| 1183 |
{
|
| 1184 |
fprintf(stderr, "1");
|
| 1185 |
}
|
| 1186 |
else
|
| 1187 |
{
|
| 1188 |
fprintf(stderr, "0");
|
| 1189 |
}
|
| 1190 |
n >>= 1;
|
| 1191 |
}
|
| 1192 |
fprintf(stderr, "\n");
|
| 1193 |
}
|
| 1194 |
*/
|
| 1195 |
|
| 1196 |
|
| 1197 |
/*
|
| 1198 |
====================================================================
|
| 1199 |
*/
|
| 1200 |
|
| 1201 |
|
| 1202 |
|
| 1203 |
|
| 1204 |
// **********=================== hack to display MVT tiles ===================**********
|
| 1205 |
// **********=================== hack to display MVT tiles ===================**********
|
| 1206 |
// **********=================== hack to display MVT tiles ===================**********
|
| 1207 |
// **********=================== hack to display MVT tiles ===================**********
|
| 1208 |
// **********=================== hack to display MVT tiles ===================**********
|
| 1209 |
|
| 1210 |
|
Parent Directory
| 
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