X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fplugins%2Fmap.c;h=7395ef7792c7598d4220f356090550be70ecade5;hp=6c0b57d9855d26ecf4ecec9552cf84bf39d277d4;hb=7aefe194719b37d7e03dbbb89e70b95a4455e446;hpb=f93aa6df36b91a106bd9be7e8dd60b83b0f6a0cb
diff --git a/src/plugins/map.c b/src/plugins/map.c
index 6c0b57d..7395ef7 100644
--- a/src/plugins/map.c
+++ b/src/plugins/map.c
@@ -15,7 +15,16 @@
* along with this program. If not, see .
*/
+/**
+ * SECTION:map
+ * @short_description: Map plugin
+ *
+ * #GisPluginMap provides map overlays. Much of this data is obtained from the
+ * OpenStreetMap project.
+ */
+
#include
+#include
#include
#include
@@ -27,7 +36,7 @@
#define TILE_WIDTH 1024
#define TILE_HEIGHT 512
-const guchar colormap[][2][4] = {
+static const guchar colormap[][2][4] = {
{{0x73, 0x91, 0xad}, {0x73, 0x91, 0xad, 0x20}}, // Oceans
{{0xf6, 0xee, 0xee}, {0xf6, 0xee, 0xee, 0x00}}, // Ground
{{0xff, 0xff, 0xff}, {0xff, 0xff, 0xff, 0xff}}, // Borders
@@ -36,15 +45,14 @@ const guchar colormap[][2][4] = {
};
struct _LoadTileData {
- GisPluginMap *self;
+ GisPluginMap *map;
GisTile *tile;
GdkPixbuf *pixbuf;
};
-#include
static gboolean _load_tile_cb(gpointer _data)
{
struct _LoadTileData *data = _data;
- GisPluginMap *self = data->self;
+ GisPluginMap *map = data->map;
GisTile *tile = data->tile;
GdkPixbuf *pixbuf = data->pixbuf;
g_free(data);
@@ -71,7 +79,6 @@ static gboolean _load_tile_cb(gpointer _data)
}
guint *tex = g_new0(guint, 1);
- gis_viewer_begin(self->viewer);
glGenTextures(1, tex);
glBindTexture(GL_TEXTURE_2D, *tex);
@@ -84,21 +91,20 @@ static gboolean _load_tile_cb(gpointer _data)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
glFlush();
- gis_viewer_end(self->viewer);
tile->data = tex;
- gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
+ gtk_widget_queue_draw(GTK_WIDGET(map->viewer));
g_object_unref(pixbuf);
return FALSE;
}
-static void _load_tile(GisTile *tile, gpointer _self)
+static void _load_tile(GisTile *tile, gpointer _map)
{
- GisPluginMap *self = _self;
+ GisPluginMap *map = _map;
g_debug("GisPluginMap: _load_tile start %p", g_thread_self());
- char *path = gis_wms_make_local(self->wms, tile);
+ char *path = gis_wms_fetch(map->wms, tile, GIS_ONCE, NULL, NULL);
struct _LoadTileData *data = g_new0(struct _LoadTileData, 1);
- data->self = self;
+ data->map = map;
data->tile = tile;
data->pixbuf = gdk_pixbuf_new_from_file(path, NULL);
if (data->pixbuf) {
@@ -117,27 +123,27 @@ static gboolean _free_tile_cb(gpointer data)
g_free(data);
return FALSE;
}
-static void _free_tile(GisTile *tile, gpointer _self)
+static void _free_tile(GisTile *tile, gpointer _map)
{
- GisPluginMap *self = _self;
- g_debug("GisPluginMap: _free_tile: %p=%d", tile->data, *(guint*)tile->data);
+ GisPluginMap *map = _map;
+ g_debug("GisPluginMap: _free_tile: %p", tile->data);
g_idle_add_full(G_PRIORITY_LOW, _free_tile_cb, tile->data, NULL);
}
-static gpointer _update_tiles(gpointer _self)
+static gpointer _update_tiles(gpointer _map)
{
g_debug("GisPluginMap: _update_tiles");
- GisPluginMap *self = _self;
- g_mutex_lock(self->mutex);
+ GisPluginMap *map = _map;
+ g_mutex_lock(map->mutex);
gdouble lat, lon, elev;
- gis_viewer_get_location(self->viewer, &lat, &lon, &elev);
- gis_tile_update(self->tiles,
+ gis_viewer_get_location(map->viewer, &lat, &lon, &elev);
+ gis_tile_update(map->tiles,
MAX_RESOLUTION, TILE_WIDTH, TILE_WIDTH,
lat, lon, elev,
- _load_tile, self);
- gis_tile_gc(self->tiles, time(NULL)-10,
- _free_tile, self);
- g_mutex_unlock(self->mutex);
+ _load_tile, map);
+ gis_tile_gc(map->tiles, time(NULL)-10,
+ _free_tile, map);
+ g_mutex_unlock(map->mutex);
return NULL;
}
@@ -145,32 +151,40 @@ static gpointer _update_tiles(gpointer _self)
* Callbacks *
*************/
static void _on_location_changed(GisViewer *viewer,
- gdouble lat, gdouble lon, gdouble elev, GisPluginMap *self)
+ gdouble lat, gdouble lon, gdouble elev, GisPluginMap *map)
{
- g_thread_create(_update_tiles, self, FALSE, NULL);
+ g_thread_create(_update_tiles, map, FALSE, NULL);
}
/***********
* Methods *
***********/
+/**
+ * gis_plugin_map_new:
+ * @viewer: the #GisViewer to use for drawing
+ *
+ * Create a new instance of the map plugin.
+ *
+ * Returns: the new #GisPluginMap
+ */
GisPluginMap *gis_plugin_map_new(GisViewer *viewer)
{
g_debug("GisPluginMap: new");
- GisPluginMap *self = g_object_new(GIS_TYPE_PLUGIN_MAP, NULL);
- self->viewer = g_object_ref(viewer);
+ GisPluginMap *map = g_object_new(GIS_TYPE_PLUGIN_MAP, NULL);
+ map->viewer = g_object_ref(viewer);
/* Load initial tiles */
- _load_tile(self->tiles, self);
- g_thread_create(_update_tiles, self, FALSE, NULL);
+ _load_tile(map->tiles, map);
+ g_thread_create(_update_tiles, map, FALSE, NULL);
/* Connect signals */
- self->sigid = g_signal_connect(self->viewer, "location-changed",
- G_CALLBACK(_on_location_changed), self);
+ map->sigid = g_signal_connect(map->viewer, "location-changed",
+ G_CALLBACK(_on_location_changed), map);
/* Add renderers */
- gis_viewer_add(viewer, GIS_OBJECT(self->tiles), GIS_LEVEL_OVERLAY, 0);
+ gis_viewer_add(viewer, GIS_OBJECT(map->tiles), GIS_LEVEL_OVERLAY, 0);
- return self;
+ return map;
}
@@ -188,36 +202,36 @@ static void gis_plugin_map_plugin_init(GisPluginInterface *iface)
/* Add methods to the interface */
}
/* Class/Object init */
-static void gis_plugin_map_init(GisPluginMap *self)
+static void gis_plugin_map_init(GisPluginMap *map)
{
g_debug("GisPluginMap: init");
/* Set defaults */
- self->mutex = g_mutex_new();
- self->tiles = gis_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
- self->wms = gis_wms_new(
+ map->mutex = g_mutex_new();
+ map->tiles = gis_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
+ map->wms = gis_wms_new(
"http://labs.metacarta.com/wms/vmap0", "basic", "image/png",
"osm/", "png", TILE_WIDTH, TILE_HEIGHT);
}
static void gis_plugin_map_dispose(GObject *gobject)
{
g_debug("GisPluginMap: dispose");
- GisPluginMap *self = GIS_PLUGIN_MAP(gobject);
+ GisPluginMap *map = GIS_PLUGIN_MAP(gobject);
/* Drop references */
- if (self->viewer) {
- g_signal_handler_disconnect(self->viewer, self->sigid);
- g_object_unref(self->viewer);
- self->viewer = NULL;
+ if (map->viewer) {
+ g_signal_handler_disconnect(map->viewer, map->sigid);
+ g_object_unref(map->viewer);
+ map->viewer = NULL;
}
G_OBJECT_CLASS(gis_plugin_map_parent_class)->dispose(gobject);
}
static void gis_plugin_map_finalize(GObject *gobject)
{
g_debug("GisPluginMap: finalize");
- GisPluginMap *self = GIS_PLUGIN_MAP(gobject);
+ GisPluginMap *map = GIS_PLUGIN_MAP(gobject);
/* Free data */
- gis_tile_free(self->tiles, _free_tile, self);
- gis_wms_free(self->wms);
- g_mutex_free(self->mutex);
+ gis_tile_free(map->tiles, _free_tile, map);
+ gis_wms_free(map->wms);
+ g_mutex_free(map->mutex);
G_OBJECT_CLASS(gis_plugin_map_parent_class)->finalize(gobject);
}