Pileus Git - grits/blob - src/tile-test.c

   1 /*
   2  * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <gtk/gtk.h>
  19 #include <gdk/gdkkeysyms.h>
  20
  21 #include "grits-util.h"
  22 #include "data/grits-wms.h"
  23 #include "data/grits-tms.h"
  24 #include "objects/grits-tile.h"
  25
  26 struct CacheState {
  27         GtkWidget *image;
  28         GtkWidget *status;
  29         GtkWidget *progress;
  30 };
  31
  32
  33 void chunk_callback(gsize cur, gsize total, gpointer _state)
  34 {
  35         struct CacheState *state = _state;
  36         g_message("chunk_callback: %ld/%ld", (glong)cur, (glong)total);
  37
  38         if (state->progress == NULL) {
  39                 state->progress = gtk_progress_bar_new();
  40                 gtk_box_pack_end(GTK_BOX(state->status), state->progress, FALSE, FALSE, 0);
  41                 gtk_widget_show(state->progress);
  42         }
  43
  44         if (cur == total)
  45                 gtk_widget_destroy(state->progress);
  46         else
  47                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(state->progress), (gdouble)cur/total);
  48 }
  49
  50 gpointer do_bmng_cache(gpointer _image)
  51 {
  52         GtkImage *image = _image;
  53         g_message("Creating bmng tile");
  54         GritsTile *tile = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
  55         tile->children[0][1] = grits_tile_new(tile, NORTH, 0, 0, WEST);
  56         tile = tile->children[0][1];
  57
  58         g_message("Fetching bmng image");
  59         GritsWms *bmng_wms = grits_wms_new(
  60                 "http://www.nasa.network.com/wms", "bmng200406", "image/jpeg",
  61                 "bmng_test/", "jpg", 512, 256);
  62         const char *path = grits_wms_fetch(bmng_wms, tile, GRITS_ONCE, NULL, NULL);
  63
  64         g_message("Loading bmng image: [%s]", path);
  65         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
  66         gdk_threads_enter();
  67         gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
  68         gdk_threads_leave();
  69
  70         g_message("Cleaning bmng up");
  71         grits_wms_free(bmng_wms);
  72         grits_tile_free(tile, NULL, NULL);
  73         return NULL;
  74 }
  75
  76 gpointer do_osm_cache(gpointer _image)
  77 {
  78         GtkImage *image = _image;
  79         g_message("Creating osm tile");
  80         GritsTile *tile = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
  81         tile->children[0][1] = grits_tile_new(tile, NORTH, 0, 0, WEST);
  82         tile = tile->children[0][1];
  83
  84         g_message("Fetching osm image");
  85         GritsWms *osm_wms = grits_wms_new(
  86                 "http://labs.metacarta.com/wms/vmap0", "basic", "image/png",
  87                 "osm_test/", "png", 512, 256);
  88         const char *path = grits_wms_fetch(osm_wms, tile, GRITS_ONCE, NULL, NULL);
  89
  90         g_message("Loading osm image: [%s]", path);
  91         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
  92         gdk_threads_enter();
  93         gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
  94         gdk_threads_leave();
  95
  96         g_message("Cleaning osm up");
  97         grits_wms_free(osm_wms);
  98         grits_tile_free(tile, NULL, NULL);
  99         return NULL;
 100 }
 101
 102 gpointer do_osm2_cache(gpointer _image)
 103 {
 104         GtkImage *image = _image;
 105         g_message("Creating osm2 tile");
 106         GritsTile *tile = grits_tile_new(NULL, 85.0511, -85.0511, EAST, WEST);
 107         tile->children[0][1] = grits_tile_new(tile, 85.0511, 0, 0, WEST);
 108         tile = tile->children[0][1];
 109
 110         g_message("Fetching osm2 image");
 111         GritsTms *osm2_tms = grits_tms_new("http://tile.openstreetmap.org",
 112                         "tms_test/", "png");
 113         const char *path = grits_tms_fetch(osm2_tms, tile, GRITS_ONCE, NULL, NULL);
 114
 115         g_message("Loading osm2 image: [%s]", path);
 116         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
 117         gdk_threads_enter();
 118         gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
 119         gdk_threads_leave();
 120
 121         g_message("Cleaning osm2 up");
 122         grits_tms_free(osm2_tms);
 123         grits_tile_free(tile, NULL, NULL);
 124         return NULL;
 125 }
 126
 127
 128 gboolean key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
 129 {
 130         if (event->keyval == GDK_q)
 131                 gtk_main_quit();
 132         return TRUE;
 133 }
 134
 135 int main(int argc, char **argv)
 136 {
 137         gdk_threads_init();
 138         gtk_init(&argc, &argv);
 139
 140         GtkWidget *win        = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 141         GtkWidget *vbox1      = gtk_vbox_new(FALSE, 0);
 142         GtkWidget *vbox2      = gtk_vbox_new(FALSE, 0);
 143         GtkWidget *status     = gtk_statusbar_new();
 144         GtkWidget *scroll     = gtk_scrolled_window_new(NULL, NULL);
 145         GtkWidget *bmng_image = gtk_image_new();
 146         GtkWidget *srtm_image = gtk_image_new();
 147         GtkWidget *osm_image  = gtk_image_new();
 148         GtkWidget *osm2_image = gtk_image_new();
 149         gtk_container_add(GTK_CONTAINER(win), vbox1);
 150         gtk_box_pack_start(GTK_BOX(vbox1), scroll, TRUE, TRUE, 0);
 151         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll), vbox2);
 152         gtk_box_pack_start(GTK_BOX(vbox2), bmng_image, TRUE, TRUE, 0);
 153         gtk_box_pack_start(GTK_BOX(vbox2), srtm_image, TRUE, TRUE, 0);
 154         gtk_box_pack_start(GTK_BOX(vbox2), osm_image,  TRUE, TRUE, 0);
 155         gtk_box_pack_start(GTK_BOX(vbox2), osm2_image, TRUE, TRUE, 0);
 156         gtk_box_pack_start(GTK_BOX(vbox1), status, FALSE, FALSE, 0);
 157         g_signal_connect(win, "key-press-event", G_CALLBACK(key_press_cb), NULL);
 158         g_signal_connect(win, "destroy", gtk_main_quit, NULL);
 159         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
 160                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 161
 162         g_thread_new("bmng-thread", do_bmng_cache, bmng_image);
 163         g_thread_new("osm-thread",  do_osm_cache,  osm_image);
 164         g_thread_new("osm2-thread", do_osm2_cache, osm2_image);
 165
 166         gtk_widget_show_all(win);
 167         gtk_main();
 168
 169         return 0;
 170 }