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

   1 #include <gtk/gtk.h>
   2 #include <gdk/gdkkeysyms.h>
   3
   4 #include "gis-world.h"
   5 #include "gis-tile.h"
   6 #include "gis-wms.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_cache(gpointer _image)
  33 {
  34         GtkImage *image = _image;
  35         g_message("Creating 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 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 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 up");
  53         gis_wms_free(bmng_wms);
  54         gis_tile_free(tile, NULL, NULL);
  55         return NULL;
  56 }
  57
  58 gboolean key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
  59 {
  60         if (event->keyval == GDK_q)
  61                 gtk_main_quit();
  62         return TRUE;
  63 }
  64
  65 int main(int argc, char **argv)
  66 {
  67         g_thread_init(NULL);
  68         gdk_threads_init();
  69         gtk_init(&argc, &argv);
  70
  71         GtkWidget *win        = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  72         GtkWidget *vbox1      = gtk_vbox_new(FALSE, 0);
  73         GtkWidget *vbox2      = gtk_vbox_new(FALSE, 0);
  74         GtkWidget *status     = gtk_statusbar_new();
  75         GtkWidget *scroll     = gtk_scrolled_window_new(NULL, NULL);
  76         GtkWidget *bmng_image = gtk_image_new();
  77         GtkWidget *srtm_image = gtk_image_new();
  78         gtk_container_add(GTK_CONTAINER(win), vbox1);
  79         gtk_box_pack_start(GTK_BOX(vbox1), scroll, TRUE, TRUE, 0);
  80         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll), vbox2);
  81         gtk_box_pack_start(GTK_BOX(vbox2), bmng_image, TRUE, TRUE, 0);
  82         gtk_box_pack_start(GTK_BOX(vbox2), srtm_image, TRUE, TRUE, 0);
  83         gtk_box_pack_start(GTK_BOX(vbox1), status, FALSE, FALSE, 0);
  84         g_signal_connect(win, "key-press-event", G_CALLBACK(key_press_cb), NULL);
  85         g_signal_connect(win, "destroy", gtk_main_quit, NULL);
  86         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
  87                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
  88
  89         g_thread_create(do_cache, bmng_image, FALSE, NULL);
  90
  91         gtk_widget_show_all(win);
  92         gtk_main();
  93
  94         return 0;
  95 }