void
set_mapcenter( float lat,
float lon,
int zoom)
{
int pixel_x, pixel_y;
lat = deg2rad(lat);
lon = deg2rad(lon);
pixel_x = lon2pixel(zoom, lon);
pixel_y = lat2pixel(zoom, lat);
osd_speed(TRUE);
fill_tiles_pixel ( pixel_x - global_drawingarea_width/2,
pixel_y - global_drawingarea_height/2,
zoom, FALSE);
paint_track();
paint_loaded_track();
paint_friends();
paint_photos();
paint_pois();
paint_wp();
paint_route();
}
void
set_mapcenter( float lat,
float lon,
int zoom)
{
int pixel_x, pixel_y;
lat = deg2rad(lat);
lon = deg2rad(lon);
pixel_x = lon2pixel(zoom, lon);
pixel_y = lat2pixel(zoom, lat);
printf("fill_tiles_latlon(): lat %f %i -- lon %f %i\n",
lat,pixel_y,lon,pixel_x);
osd_speed();
global_x = pixel_x - global_drawingarea_width/2;
global_y = pixel_y - global_drawingarea_height/2;
global_zoom = zoom;
fill_tiles_pixel ( pixel_x - global_drawingarea_width/2,
pixel_y - global_drawingarea_height/2,
zoom);
print_track();
paint_friends();
paint_photos();
paint_pois();
paint_wp();
osd_speed();
}
void
fill_tiles_latlon( float lat,
float lon,
int zoom)
{
int pixel_x, pixel_y;
pixel_x = lon2pixel(zoom, lon);
pixel_y = lat2pixel(zoom, lat);
fill_tiles_pixel (pixel_x, pixel_y, zoom, FALSE);
}
void
fill_tiles_latlon_hack( float lat,
float lon,
int zoom)
{
int pixel_x, pixel_y;
pixel_x = lon2pixel(zoom, lon);
pixel_y = lat2pixel(zoom, lat);
printf("fill_tiles_latlon(): lat %f %i -- lon %f %i\n",
lat,pixel_y,lon,pixel_x);
fill_tiles_pixel (pixel_x - 240, pixel_y - 300, zoom);
}
QImage *DataSourceManager::getImage(int x, int y, int zoom, int width, int height, TileInfo &tile_info, bool outlineMap)
{
TileList missingTiles;
QImage *mapImg = NULL;
QImage **cachedImg = NULL;
TileList *cache = NULL;
int *cacheSize = NULL;
TileInfo *cacheTileInfo = NULL;
/* Change cache in dependancy of requested map typ (normal or outline/overview map) */
if(!outlineMap)
{
cache = &_cache;
cacheSize = &_cacheSize;
cachedImg = &_mapImg;
cacheTileInfo = &_tileInfo;
}
else
{
cache = &_outlineCache;
cacheSize = &_outlineCacheSize;
cachedImg = &_outlineMapImg;
cacheTileInfo = &_outlineTileInfo;
}
/* generate list of tiles which are needed for the current x, y and zoom level */
TileList *requested_tiles = get_necessary_tiles(x, y, zoom, width, height, _mapPath, tile_info);
/* check if the same tile rect is requested as the last time */
if(cachedImg && !_gotMissingTiles &&
cacheTileInfo->min_tile_x == tile_info.min_tile_x &&
cacheTileInfo->min_tile_y == tile_info.min_tile_y &&
cacheTileInfo->max_tile_x == tile_info.max_tile_x &&
cacheTileInfo->max_tile_y == tile_info.max_tile_y)
{
mapImg = *cachedImg;
}
else
{
/* Let's center the coordinates here using width + height of map widget */
mapImg = fill_tiles_pixel(requested_tiles, &missingTiles, cache, tile_info.nx, tile_info.ny);
delete *cachedImg;
*cachedImg = mapImg;
}
memcpy(cacheTileInfo, &tile_info, sizeof(TileInfo));
delete requested_tiles;
/*
The "if" is needed so the system doesn't remove the "update" flag for the UI map
when called second time for outlinemap
*/
if(!outlineMap)
{
if(missingTiles.length() > 0)
_gotMissingTiles = true;
else
_gotMissingTiles = false;
}
else
{
if(missingTiles.length() > 0)
_gotMissingTiles = true;
}
/* check tile cache for MAX items */
while(cache->length() > *cacheSize)
{
Tile mytile = cache->takeFirst();
if(mytile._img)
delete mytile._img;
}
/* -------------------------------------------------- */
/* The following stuff got nothing to do with drawing */
/* -------------------------------------------------- */
/* request missing tiles from internet/renderer */
for(int i = 0; i < missingTiles.length(); i++)
_dsHttp->loadMapTile(new Tile(missingTiles[i]._x, missingTiles[i]._y, missingTiles[i]._z, _mapPath, _mapUrl));
return mapImg;
}
