Pileus Git - grits/blob - src/tile_test.c

   1 #include <gtk/gtk.h>
   2 #include <gdk/gdkkeysyms.h>
   3
   4 #include "gis-tile.h"
   5 #include "gis-wms.h"
   6 #include "gis-util.h"
   7
   8 struct CacheState {
   9         GtkWidget *image;
  10         GtkWidget *status;
  11         GtkWidget *progress;
  12 };
  13
  14
  15 void chunk_callback(gsize cur, gsize total, gpointer _state)
  16 {
  17         struct CacheState *state = _state;
  18         g_message("chunk_callback: %d/%d", cur, total);
  19
  20         if (state->progress == NULL) {
  21                 state->progress = gtk_progress_bar_new();
  22                 gtk_box_pack_end(GTK_BOX(state->status), state->progress, FALSE, FALSE, 0);
  23                 gtk_widget_show(state->progress);
  24         }
  25
  26         if (cur == total)
  27                 gtk_widget_destroy(state->progress);
  28         else
  29                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(state->progress), (gdouble)cur/total);
  30 }
  31
  32 gpointer do_bmng_cache(gpointer _image)
  33 {
  34         GtkImage *image = _image;
  35         g_message("Creating bmng tile");
  36         GisTile *tile = gis_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
  37         tile->children[0][1] = gis_tile_new(tile, NORTH, 0, 0, WEST);
  38         tile = tile->children[0][1];
  39
  40         g_message("Fetching bmng image");
  41         GisWms *bmng_wms = gis_wms_new(
  42                 "http://www.nasa.network.com/wms", "bmng200406", "image/jpeg",
  43                 "bmng_test/", "jpg", 512, 256);
  44         const char *path = gis_wms_make_local(bmng_wms, tile);
  45
  46         g_message("Loading bmng image: [%s]", path);
  47         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
  48         gdk_threads_enter();
  49         gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
  50         gdk_threads_leave();
  51
  52         g_message("Cleaning bmng up");
  53         gis_wms_free(bmng_wms);
  54         gis_tile_free(tile, NULL, NULL);
  55         return NULL;
  56 }
  57
  58 gpointer do_osm_cache(gpointer _image)
  59 {
  60         GtkImage *image = _image;
  61         g_message("Creating osm tile");
  62         GisTile *tile = gis_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
  63         tile->children[0][1] = gis_tile_new(tile, NORTH, 0, 0, WEST);
  64         tile = tile->children[0][1];
  65
  66         g_message("Fetching osm image");
  67         GisWms *osm_wms = gis_wms_new(
  68                 "http://labs.metacarta.com/wms/vmap0", "basic", "image/png",
  69                 "osm_test/", "png", 512, 256);
  70         const char *path = gis_wms_make_local(osm_wms, tile);
  71
  72         g_message("Loading osm image: [%s]", path);
  73         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
  74         gdk_threads_enter();
  75         gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
  76         gdk_threads_leave();
  77
  78         g_message("Cleaning osm up");
  79         gis_wms_free(osm_wms);
  80         gis_tile_free(tile, NULL, NULL);
  81         return NULL;
  82 }
  83
  84 gboolean key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
  85 {
  86         if (event->keyval == GDK_q)
  87                 gtk_main_quit();
  88         return TRUE;
  89 }
  90
  91 int main(int argc, char **argv)
  92 {
  93         g_thread_init(NULL);
  94         gdk_threads_init();
  95         gtk_init(&argc, &argv);
  96
  97         GtkWidget *win        = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  98         GtkWidget *vbox1      = gtk_vbox_new(FALSE, 0);
  99         GtkWidget *vbox2      = gtk_vbox_new(FALSE, 0);
 100         GtkWidget *status     = gtk_statusbar_new();
 101         GtkWidget *scroll     = gtk_scrolled_window_new(NULL, NULL);
 102         GtkWidget *bmng_image = gtk_image_new();
 103         GtkWidget *srtm_image = gtk_image_new();
 104         GtkWidget *osm_image  = gtk_image_new();
 105         gtk_container_add(GTK_CONTAINER(win), vbox1);
 106         gtk_box_pack_start(GTK_BOX(vbox1), scroll, TRUE, TRUE, 0);
 107         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll), vbox2);
 108         gtk_box_pack_start(GTK_BOX(vbox2), bmng_image, TRUE, TRUE, 0);
 109         gtk_box_pack_start(GTK_BOX(vbox2), srtm_image, TRUE, TRUE, 0);
 110         gtk_box_pack_start(GTK_BOX(vbox2), osm_image,  TRUE, TRUE, 0);
 111         gtk_box_pack_start(GTK_BOX(vbox1), status, FALSE, FALSE, 0);
 112         g_signal_connect(win, "key-press-event", G_CALLBACK(key_press_cb), NULL);
 113         g_signal_connect(win, "destroy", gtk_main_quit, NULL);
 114         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
 115                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 116
 117         g_thread_create(do_bmng_cache, bmng_image, FALSE, NULL);
 118         g_thread_create(do_osm_cache,  osm_image,  FALSE, NULL);
 119
 120         gtk_widget_show_all(win);
 121         gtk_main();
 122
 123         return 0;
 124 }