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