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 #include "compat.h"
  27
  28 struct CacheState {
  29         GtkWidget *image;
  30         GtkWidget *status;
  31         GtkWidget *progress;
  32 };
  33
  34 struct LoadData {
  35         GtkImage  *image;
  36         GdkPixbuf *pixbuf;
  37 };
  38
  39 void chunk_callback(gsize cur, gsize total, gpointer _state)
  40 {
  41         struct CacheState *state = _state;
  42         g_message("chunk_callback: %ld/%ld", (glong)cur, (glong)total);
  43
  44         if (state->progress == NULL) {
  45                 state->progress = gtk_progress_bar_new();
  46                 gtk_box_pack_end(GTK_BOX(state->status), state->progress, FALSE, FALSE, 0);
  47                 gtk_widget_show(state->progress);
  48         }
  49
  50         if (cur == total)
  51                 gtk_widget_destroy(state->progress);
  52         else
  53                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(state->progress), (gdouble)cur/total);
  54 }
  55
  56 gboolean load_callback(gpointer _data)
  57 {
  58         struct LoadData *data = _data;
  59         gtk_image_set_from_pixbuf(GTK_IMAGE(data->image), data->pixbuf);
  60         g_free(data);
  61         return FALSE;
  62 }
  63
  64 void load_image(GtkImage *image, GdkPixbuf *pixbuf)
  65 {
  66         struct LoadData *data = g_new0(struct LoadData, 1);
  67         data->image  = image;
  68         data->pixbuf = pixbuf;
  69         g_idle_add(load_callback, data);
  70 }
  71
  72 gpointer do_bmng_cache(gpointer _image)
  73 {
  74         GtkImage *image = _image;
  75         g_message("Creating bmng tile");
  76         GritsTile *tile = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
  77         tile->children[0][1] = grits_tile_new(tile, NORTH, 0, 0, WEST);
  78         tile = tile->children[0][1];
  79
  80         g_message("Fetching bmng image");
  81         GritsWms *bmng_wms = grits_wms_new(
  82                 "http://www.nasa.network.com/wms", "bmng200406", "image/jpeg",
  83                 "bmng_test/", "jpg", 512, 256);
  84         const char *path = grits_wms_fetch(bmng_wms, tile, GRITS_ONCE, NULL, NULL);
  85
  86         g_message("Loading bmng image: [%s]", path);
  87         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
  88         load_image(GTK_IMAGE(image), pixbuf);
  89
  90         g_message("Cleaning bmng up");
  91         grits_wms_free(bmng_wms);
  92         grits_tile_free(tile, NULL, NULL);
  93         return NULL;
  94 }
  95
  96 gpointer do_osm_cache(gpointer _image)
  97 {
  98         GtkImage *image = _image;
  99         g_message("Creating osm tile");
 100         GritsTile *tile = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
 101         tile->children[0][1] = grits_tile_new(tile, NORTH, 0, 0, WEST);
 102         tile = tile->children[0][1];
 103
 104         g_message("Fetching osm image");
 105         GritsWms *osm_wms = grits_wms_new(
 106                 "http://labs.metacarta.com/wms/vmap0", "basic", "image/png",
 107                 "osm_test/", "png", 512, 256);
 108         const char *path = grits_wms_fetch(osm_wms, tile, GRITS_ONCE, NULL, NULL);
 109
 110         g_message("Loading osm image: [%s]", path);
 111         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
 112         load_image(GTK_IMAGE(image), pixbuf);
 113
 114         g_message("Cleaning osm up");
 115         grits_wms_free(osm_wms);
 116         grits_tile_free(tile, NULL, NULL);
 117         return NULL;
 118 }
 119
 120 gpointer do_osm2_cache(gpointer _image)
 121 {
 122         GtkImage *image = _image;
 123         g_message("Creating osm2 tile");
 124         GritsTile *tile = grits_tile_new(NULL, 85.0511, -85.0511, EAST, WEST);
 125         tile->children[0][1] = grits_tile_new(tile, 85.0511, 0, 0, WEST);
 126         tile = tile->children[0][1];
 127
 128         g_message("Fetching osm2 image");
 129         GritsTms *osm2_tms = grits_tms_new("http://tile.openstreetmap.org",
 130                         "tms_test/", "png");
 131         const char *path = grits_tms_fetch(osm2_tms, tile, GRITS_ONCE, NULL, NULL);
 132
 133         g_message("Loading osm2 image: [%s]", path);
 134         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
 135         load_image(GTK_IMAGE(image), pixbuf);
 136
 137         g_message("Cleaning osm2 up");
 138         grits_tms_free(osm2_tms);
 139         grits_tile_free(tile, NULL, NULL);
 140         return NULL;
 141 }
 142
 143
 144 gboolean key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
 145 {
 146         if (event->keyval == GDK_KEY_q)
 147                 gtk_main_quit();
 148         return TRUE;
 149 }
 150
 151 int main(int argc, char **argv)
 152 {
 153         gtk_init(&argc, &argv);
 154
 155         GtkWidget *win        = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 156         GtkWidget *vbox1      = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 157         GtkWidget *vbox2      = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 158         GtkWidget *status     = gtk_statusbar_new();
 159         GtkWidget *scroll     = gtk_scrolled_window_new(NULL, NULL);
 160         GtkWidget *bmng_image = gtk_image_new();
 161         GtkWidget *srtm_image = gtk_image_new();
 162         GtkWidget *osm_image  = gtk_image_new();
 163         GtkWidget *osm2_image = gtk_image_new();
 164         gtk_container_add(GTK_CONTAINER(win), vbox1);
 165         gtk_box_pack_start(GTK_BOX(vbox1), scroll, TRUE, TRUE, 0);
 166         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll), vbox2);
 167         gtk_box_pack_start(GTK_BOX(vbox2), bmng_image, TRUE, TRUE, 0);
 168         gtk_box_pack_start(GTK_BOX(vbox2), srtm_image, TRUE, TRUE, 0);
 169         gtk_box_pack_start(GTK_BOX(vbox2), osm_image,  TRUE, TRUE, 0);
 170         gtk_box_pack_start(GTK_BOX(vbox2), osm2_image, TRUE, TRUE, 0);
 171         gtk_box_pack_start(GTK_BOX(vbox1), status, FALSE, FALSE, 0);
 172         g_signal_connect(win, "key-press-event", G_CALLBACK(key_press_cb), NULL);
 173         g_signal_connect(win, "destroy", gtk_main_quit, NULL);
 174         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
 175                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 176
 177         g_thread_new("bmng-thread", do_bmng_cache, bmng_image);
 178         g_thread_new("osm-thread",  do_osm_cache,  osm_image);
 179         g_thread_new("osm2-thread", do_osm2_cache, osm2_image);
 180
 181         gtk_widget_show_all(win);
 182         gtk_main();
 183
 184         return 0;
 185 }