//--------------Traffic download--------------------------------
int
load_trf(data_of_thread *local)
{
GdkPixbuf *pixbuf = NULL;
GError *error = NULL;
GdkGC *gc_map = NULL;
//static GtkWidget *drawingarea11 = NULL;
printf("* load_trf()\n");
gchar* filename;
gchar* key;
filename = g_strdup_printf("%s/%d/%d/%d.png", curr_trf->dir, local->zoom, local->x, local->y);
pixbuf = gdk_pixbuf_new_from_file (
filename,
&error);
if(pixbuf)
{
gdk_threads_enter();
gdk_draw_pixbuf (
pixmap,
gc_map,
pixbuf,
0,0,
local->offset_x-(global_x-local->x_glob),local->offset_y-(global_y-local->y_glob),
TILESIZE,TILESIZE,
GDK_RGB_DITHER_NONE, 0, 0);
g_object_unref (pixbuf);
drawingarea11 = lookup_widget(window1, "drawingarea1");
gtk_widget_queue_draw_area (
drawingarea11,
local->offset_x-(global_x-local->x_glob),local->offset_y-(global_y-local->y_glob),
TILESIZE,TILESIZE);
gdk_threads_leave();
}
if (global_trf_auto && !host_failed)
{
//Информация о загрузке данного тайла пробок
key = g_strdup_printf("%s/%d/%d/%d_time", curr_trf->dir, local->zoom, local->x, local->y);
static time_t load_time=0; //время, когда был загружен tile пробок
time_t* temp;
temp= g_hash_table_lookup(ht,key);
if (temp==0)
{
struct stat file_info;
if (!stat(filename,&file_info) && pixbuf)
load_time=file_info.st_mtime;
else load_time=0;
}
else
load_time=*temp;
global_time=time(NULL);
struct tm* local_time;
local_time=localtime(&global_time);//local time of this machine
printf ("%d:%d:%d\n", local_time->tm_hour, local_time->tm_min, local_time->tm_sec);
int temptime=local_time->tm_min*60+local_time->tm_sec;//Прошло времени с момента начала нового часа
traffic_time=global_time-temptime+(int)(temptime/240)*240-240;
printf("Возраст пробок %i\n", global_time-traffic_time);//время с момента создания новых карт движения, т.е. возраст последних пробок на яндексе.
printf("global_time = %i\n", global_time);
printf("traffic_time = %i\n", traffic_time);
printf("load_time = %i\n", load_time);
if (traffic_time > load_time) // Появились новые тайлы пробок
{
printf ("Закачиваем пробки\n");
time_t *temp_time=malloc(sizeof(time_t));
memcpy(temp_time,&traffic_time,sizeof(temp_time));
g_hash_table_replace(ht,key,temp_time);
download_tile(curr_trf,local->zoom,local->x,local->y);
if (local->zoom!=global_zoom) return ERR_ZOOM;
pixbuf = gdk_pixbuf_new_from_file (
filename,
&error);
if (!pixbuf) return ERR_LOAD;
else
{
g_object_unref (pixbuf);
return LOAD_OK;
}
}
//неправильно Если буфер пустой (мы уже закачиваем)
/* if (found!=NULL)
if (!host_failed && strcmp(found,"The requested URL returned error: 404")==0 && traffic_old_factor<5) //карта не была загружена, инет есть
{
//написать обнуление хеша,где The requested URL returned error: 404`
// traffic_old_factor++;
printf ("found = %s\n",found);
printf ("Закачиваем старые пробки\n");
trf_old=TRUE;
printf ("показатель старости пробок - %d",traffic_old_factor);
pixbuf_is_null = TRUE;
download_tile(curr_trf,global_zoom,x,y);
}
*/ }
// if(pixbuf == NULL)
// {
// printf("PIXBUF: error loading png\n");
// error = NULL;
// }
// else
// printf("PIXBUF: loading okay\n");
//
//
//gdk_threads_enter();
// gdk_draw_pixbuf (
// pixmap,
// gc_map,
// pixbuf,
// 0,0,
// local->offset_x-(global_x-local->x_glob),local->offset_y-(global_y-local->y_glob),
// TILESIZE,TILESIZE,
// GDK_RGB_DITHER_NONE, 0, 0);
//
//
// g_object_unref (pixbuf);
//
// drawingarea11 = lookup_widget(window1, "drawingarea1");
//
// gtk_widget_queue_draw_area (
// drawingarea11,
// local->offset_x-(global_x-local->x_glob),local->offset_y-(global_y-local->y_glob),
// TILESIZE,TILESIZE);
//gdk_threads_leave();
return 0;
}
void
load_tile( gchar *dir,
int zoom,
int x,
int y,
int offset_x,
int offset_y)
{
int detail_zoom = global_detail_zoom; /* round (dpi/96.0) */
int detail_scale = (int) pow (2.0, (float) detail_zoom);
int overzoom = 0;
int upscale = 1;
gboolean hash_not_found = TRUE;
static gchar filename[256];
static gchar wanted_filename[256];
GdkPixbuf *pixbuf = NULL;
repo_t *repo;
tile_hash_t *tile_hash;
if(gc_map)
g_object_unref(gc_map);
if(pixmap)
{
gc_map = gdk_gc_new(pixmap);
}
else printf("no drawable -> NULL\n");
upscale = detail_scale;
zoom -= detail_zoom;
g_snprintf(wanted_filename, 255, "%s/%u/%u/%u.png", dir, zoom, x, y);
tile_hash = g_hash_table_lookup(hash_table, wanted_filename);
if(tile_hash)
{
pixbuf = tile_hash->pixbuf;
tile_hash->reused = TRUE;
hash_not_found = FALSE;
}
else
{
for(overzoom=0; overzoom<=3; overzoom++)
{
g_snprintf(filename, 255, "%s/%u/%u/%u.png", dir, zoom-overzoom, x/upscale, y/upscale);
pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
if(pixbuf)
break;
upscale *= 2;
}
if(pixbuf && upscale > 1)
{
GdkPixbuf *pixbuf_scaled = NULL;
pixbuf_scaled = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 256, 256);
gdk_pixbuf_scale ( pixbuf, pixbuf_scaled,
0, 0,
TILESIZE, TILESIZE,
-TILESIZE*(x%upscale), -TILESIZE*(y%upscale),
upscale, upscale,
GDK_INTERP_BILINEAR );
if (pixbuf) {
g_object_unref (pixbuf);
}
pixbuf = pixbuf_scaled;
}
}
if(!pixbuf)
{
GtkWidget *widget;
widget = lookup_widget(window1, "drawingarea1");
gdk_draw_rectangle (
pixmap,
widget->style->white_gc,
TRUE,
offset_x, offset_y,
256,
256);
gtk_widget_queue_draw_area (
widget,
offset_x,offset_y,256,256);
}
else
{
gdk_draw_pixbuf (
pixmap,
gc_map,
pixbuf,
0,0,
offset_x,offset_y,
TILESIZE,TILESIZE,
GDK_RGB_DITHER_NONE, 0, 0);
if(hash_not_found)
{
tile_hash = g_new0(tile_hash_t,1);
tile_hash->pixbuf = pixbuf;
tile_hash->reused = TRUE;
g_hash_table_insert(hash_table, g_strdup(wanted_filename), tile_hash);
}
}
drawingarea11 = lookup_widget(window1, "drawingarea1");
gtk_widget_queue_draw_area (
drawingarea11,
offset_x,offset_y,
TILESIZE,TILESIZE);
if(overzoom && global_auto_download)
{
repo = global_curr_repo->data;
download_tile(repo,zoom,x/detail_scale,y/detail_scale);
}
}
int
load_tile(data_of_thread *local)
{
GdkPixbuf *pixbuf=NULL;
GError *error = NULL;
GdkGC *gc_map = NULL;
//static GtkWidget *drawingarea11 = NULL;
gchar filename[256];
printf("* load tile()\n");
/* if(gc_map)
g_object_unref(gc_map);
*/
g_sprintf(filename, "%s/%u/%u/%u.png", local->repo->dir, local->zoom, local->x, local->y);
printf("IMG: %s\n",filename);
pixbuf = gdk_pixbuf_new_from_file (
filename,
&error);
GtkWidget *widget;
widget = lookup_widget(window1, "drawingarea1");
if(pixbuf == NULL || ((local->x < 0) || (local->y < 0) || (local->x > exp(local->zoom * M_LN2)) || (local->y > exp(local->zoom * M_LN2))))
{
printf("*** Not downloading tile \n");
gdk_threads_enter();
gdk_draw_rectangle (
pixmap,
widget->style->white_gc,
TRUE,
local->offset_x, local->offset_y,
256,
256);
gtk_widget_queue_draw_area (
widget,
local->offset_x,local->offset_y,256,256);
gdk_threads_leave();
printf("load_tile: error loading png\n");
error = NULL;
if (global_auto_download && !host_failed)
{
download_tile(local->repo,local->zoom,local->x,local->y);
if (local->zoom!=global_zoom) return ERR_ZOOM;
if (local->repo!=global_curr_repo->data) return ERR_REPO;
pixbuf = gdk_pixbuf_new_from_file ( // ?????????
filename,
&error);
if (pixbuf==NULL)
return ERR_LOAD;
}
else
{
return ERR_LOAD;
}
}
gdk_threads_enter();
gdk_draw_pixbuf (
pixmap,
gc_map,
pixbuf,
0,0,
local->offset_x-(global_x-local->x_glob),local->offset_y-(global_y-local->y_glob),
TILESIZE,TILESIZE,
GDK_RGB_DITHER_NONE, 0, 0);
g_object_unref (pixbuf);
drawingarea11 = lookup_widget(window1, "drawingarea1");
gtk_widget_queue_draw_area (
drawingarea11,
local->offset_x-(global_x-local->x_glob),local->offset_y-(global_y-local->y_glob),
TILESIZE,TILESIZE);
gdk_threads_leave();
return 0;
}
