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 "objects/grits-tile.h"
  24
  25 struct CacheState {
  26         GtkWidget *image;
  27         GtkWidget *status;
  28         GtkWidget *progress;
  29 };
  30
  31
  32 void chunk_callback(gsize cur, gsize total, gpointer _state)
  33 {
  34         struct CacheState *state = _state;
  35         g_message("chunk_callback: %ld/%ld", cur, total);
  36
  37         if (state->progress == NULL) {
  38                 state->progress = gtk_progress_bar_new();
  39                 gtk_box_pack_end(GTK_BOX(state->status), state->progress, FALSE, FALSE, 0);
  40                 gtk_widget_show(state->progress);
  41         }
  42
  43         if (cur == total)
  44                 gtk_widget_destroy(state->progress);
  45         else
  46                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(state->progress), (gdouble)cur/total);
  47 }
  48
  49 gpointer do_bmng_cache(gpointer _image)
  50 {
  51         GtkImage *image = _image;
  52         g_message("Creating bmng tile");
  53         GritsTile *tile = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
  54         tile->children[0][1] = grits_tile_new(tile, NORTH, 0, 0, WEST);
  55         tile = tile->children[0][1];
  56
  57         g_message("Fetching bmng image");
  58         GritsWms *bmng_wms = grits_wms_new(
  59                 "http://www.nasa.network.com/wms", "bmng200406", "image/jpeg",
  60                 "bmng_test/", "jpg", 512, 256);
  61         const char *path = grits_wms_fetch(bmng_wms, tile, GRITS_ONCE, NULL, NULL);
  62
  63         g_message("Loading bmng image: [%s]", path);
  64         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
  65         gdk_threads_enter();
  66         gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
  67         gdk_threads_leave();
  68
  69         g_message("Cleaning bmng up");
  70         grits_wms_free(bmng_wms);
  71         grits_tile_free(tile, NULL, NULL);
  72         return NULL;
  73 }
  74
  75 gpointer do_osm_cache(gpointer _image)
  76 {
  77         GtkImage *image = _image;
  78         g_message("Creating osm tile");
  79         GritsTile *tile = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
  80         tile->children[0][1] = grits_tile_new(tile, NORTH, 0, 0, WEST);
  81         tile = tile->children[0][1];
  82
  83         g_message("Fetching osm image");
  84         GritsWms *osm_wms = grits_wms_new(
  85                 "http://labs.metacarta.com/wms/vmap0", "basic", "image/png",
  86                 "osm_test/", "png", 512, 256);
  87         const char *path = grits_wms_fetch(osm_wms, tile, GRITS_ONCE, NULL, NULL);
  88
  89         g_message("Loading osm image: [%s]", path);
  90         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
  91         gdk_threads_enter();
  92         gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
  93         gdk_threads_leave();
  94
  95         g_message("Cleaning osm up");
  96         grits_wms_free(osm_wms);
  97         grits_tile_free(tile, NULL, NULL);
  98         return NULL;
  99 }
 100
 101 gboolean key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer user_data)
 102 {
 103         if (event->keyval == GDK_q)
 104                 gtk_main_quit();
 105         return TRUE;
 106 }
 107
 108 int main(int argc, char **argv)
 109 {
 110         g_thread_init(NULL);
 111         gdk_threads_init();
 112         gtk_init(&argc, &argv);
 113
 114         GtkWidget *win        = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 115         GtkWidget *vbox1      = gtk_vbox_new(FALSE, 0);
 116         GtkWidget *vbox2      = gtk_vbox_new(FALSE, 0);
 117         GtkWidget *status     = gtk_statusbar_new();
 118         GtkWidget *scroll     = gtk_scrolled_window_new(NULL, NULL);
 119         GtkWidget *bmng_image = gtk_image_new();
 120         GtkWidget *srtm_image = gtk_image_new();
 121         GtkWidget *osm_image  = gtk_image_new();
 122         gtk_container_add(GTK_CONTAINER(win), vbox1);
 123         gtk_box_pack_start(GTK_BOX(vbox1), scroll, TRUE, TRUE, 0);
 124         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll), vbox2);
 125         gtk_box_pack_start(GTK_BOX(vbox2), bmng_image, TRUE, TRUE, 0);
 126         gtk_box_pack_start(GTK_BOX(vbox2), srtm_image, TRUE, TRUE, 0);
 127         gtk_box_pack_start(GTK_BOX(vbox2), osm_image,  TRUE, TRUE, 0);
 128         gtk_box_pack_start(GTK_BOX(vbox1), status, FALSE, FALSE, 0);
 129         g_signal_connect(win, "key-press-event", G_CALLBACK(key_press_cb), NULL);
 130         g_signal_connect(win, "destroy", gtk_main_quit, NULL);
 131         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
 132                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 133
 134         g_thread_create(do_bmng_cache, bmng_image, FALSE, NULL);
 135         g_thread_create(do_osm_cache,  osm_image,  FALSE, NULL);
 136
 137         gtk_widget_show_all(win);
 138         gtk_main();
 139
 140         return 0;
 141 }