/*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
+ * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
guint x_flr = (int)x;
guint y_flr = (int)y;
+ //if (lon == 180 || lon == -180)
+ // g_message("lon=%f w=%d min=%f max=%f dist=%f x=%f rem=%f flr=%d",
+ // lon, w, xmin, xmax, xdist, x, x_rem, x_flr);
+
/* TODO: Fix interpolation at edges:
* - Pad these at the edges instead of wrapping/truncating
* - Figure out which pixels to index (is 0,0 edge, center, etc) */
* Loader and Freeers *
**********************/
#define LOAD_BIL TRUE
-#define LOAD_OPENGL TRUE
+#define LOAD_OPENGL FALSE
+struct _LoadTileData {
+ GisPluginSrtm *self;
+ gchar *path;
+ GisTile *tile;
+ GdkPixbuf *pixbuf;
+ struct _TileData *data;
+};
static guint16 *_load_bil(gchar *path)
{
gchar *data;
g_debug("GisPluginSrtm: load_opengl %d", opengl);
return opengl;
}
-static void _load_tile(GisTile *tile, gpointer _self)
+static gboolean _load_tile_cb(gpointer _load)
{
- GisPluginSrtm *self = _self;
- g_debug("GisPluginSrtm: _load_tile");
+ struct _LoadTileData *load = _load;
+ g_debug("GisPluginSrtm: _load_tile_cb: %s", load->path);
+ GisPluginSrtm *self = load->self;
+ GisTile *tile = load->tile;
+ GdkPixbuf *pixbuf = load->pixbuf;
+ struct _TileData *data = load->data;
+ g_free(load->path);
+ g_free(load);
- struct _TileData *data = g_new0(struct _TileData, 1);
- gchar *path = gis_wms_make_local(self->wms, tile);
- if (LOAD_BIL || LOAD_OPENGL)
- data->bil = _load_bil(path);
- g_free(path);
- if (LOAD_OPENGL) {
- GdkPixbuf *pixbuf = _load_pixbuf(data->bil);
+ if (LOAD_OPENGL)
data->opengl = _load_opengl(pixbuf);
- g_object_unref(pixbuf);
- }
+
+ tile->data = data;
/* Do necessasairy processing */
+ /* TODO: Lock this and move to thread, can remove self from _load then */
if (LOAD_BIL)
- gis_opengl_set_height_func(self->opengl, tile,
- _height_func, self, TRUE);
+ gis_viewer_set_height_func(self->viewer, tile, _height_func, self, TRUE);
/* Cleanup unneeded things */
if (!LOAD_BIL)
g_free(data->bil);
+ if (LOAD_OPENGL)
+ g_object_unref(pixbuf);
- tile->data = data;
+ return FALSE;
}
-
-static void _free_tile(GisTile *tile, gpointer _self)
+static void _load_tile(GisTile *tile, gpointer _self)
{
GisPluginSrtm *self = _self;
- struct _TileData *data = tile->data;
- g_debug("GisPluginSrtm: _free_tile: %p=%d", data, data->opengl);
+
+ struct _LoadTileData *load = g_new0(struct _LoadTileData, 1);
+ load->path = gis_wms_make_local(self->wms, tile);
+ g_debug("GisPluginSrtm: _load_tile: %s", load->path);
+ load->self = self;
+ load->tile = tile;
+ load->data = g_new0(struct _TileData, 1);
+ if (LOAD_BIL || LOAD_OPENGL)
+ load->data->bil = _load_bil(load->path);
+ if (LOAD_OPENGL)
+ load->pixbuf = _load_pixbuf(load->data->bil);
+
+ g_idle_add_full(G_PRIORITY_LOW, _load_tile_cb, load, NULL);
+}
+
+static gboolean _free_tile_cb(gpointer _data)
+{
+ struct _TileData *data = _data;
if (LOAD_BIL)
g_free(data->bil);
if (LOAD_OPENGL)
glDeleteTextures(1, &data->opengl);
g_free(data);
+ return FALSE;
+}
+static void _free_tile(GisTile *tile, gpointer _self)
+{
+ GisPluginSrtm *self = _self;
+ g_debug("GisPluginSrtm: _free_tile: %p", tile->data);
+ g_idle_add_full(G_PRIORITY_LOW, _free_tile_cb, tile->data, NULL);
}
static gpointer _update_tiles(gpointer _self)
{
GisPluginSrtm *self = _self;
+ g_mutex_lock(self->mutex);
gdouble lat, lon, elev;
- gis_view_get_location(self->view, &lat, &lon, &elev);
+ gis_viewer_get_location(self->viewer, &lat, &lon, &elev);
gis_tile_update(self->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);
return NULL;
}
/*************
* Callbacks *
*************/
-static void _on_location_changed(GisView *view, gdouble lat, gdouble lon, gdouble elev,
- GisPluginSrtm *self)
+static void _on_location_changed(GisViewer *viewer,
+ gdouble lat, gdouble lon, gdouble elev, GisPluginSrtm *self)
{
- _update_tiles(self);
+ g_thread_create(_update_tiles, self, FALSE, NULL);
+}
+
+static gpointer _expose(GisCallback *callback, gpointer _self)
+{
+ GisPluginSrtm *self = GIS_PLUGIN_SRTM(_self);
+ g_debug("GisPluginSrtm: expose tiles=%p data=%p",
+ self->tiles, self->tiles->data);
+ if (LOAD_OPENGL)
+ gis_viewer_render_tiles(self->viewer, self->tiles);
+ return NULL;
}
/***********
* Methods *
***********/
-GisPluginSrtm *gis_plugin_srtm_new(GisWorld *world, GisView *view, GisOpenGL *opengl)
+GisPluginSrtm *gis_plugin_srtm_new(GisViewer *viewer)
{
g_debug("GisPluginSrtm: new");
GisPluginSrtm *self = g_object_new(GIS_TYPE_PLUGIN_SRTM, NULL);
- self->view = view;
- self->opengl = opengl;
+ self->viewer = g_object_ref(viewer);
/* Load initial tiles */
_load_tile(self->tiles, self);
- _update_tiles(self);
+ g_thread_create(_update_tiles, self, FALSE, NULL);
/* Connect signals */
- g_signal_connect(view, "location-changed", G_CALLBACK(_on_location_changed), self);
+ self->sigid = g_signal_connect(self->viewer, "location-changed",
+ G_CALLBACK(_on_location_changed), self);
- return self;
-}
+ /* Add renderers */
+ GisCallback *callback = gis_callback_new(_expose, self);
+ gis_viewer_add(viewer, GIS_OBJECT(callback), GIS_LEVEL_WORLD, 0);
-static void gis_plugin_srtm_expose(GisPlugin *_self)
-{
- GisPluginSrtm *self = GIS_PLUGIN_SRTM(_self);
- g_debug("GisPluginSrtm: expose tiles=%p data=%p",
- self->tiles, self->tiles->data);
- if (LOAD_OPENGL)
- gis_opengl_render_tiles(self->opengl, self->tiles);
+ return self;
}
{
g_debug("GisPluginSrtm: plugin_init");
/* Add methods to the interface */
- iface->expose = gis_plugin_srtm_expose;
}
/* Class/Object init */
static void gis_plugin_srtm_init(GisPluginSrtm *self)
{
g_debug("GisPluginSrtm: init");
/* Set defaults */
+ self->mutex = g_mutex_new();
self->tiles = gis_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
self->wms = gis_wms_new(
"http://www.nasa.network.com/elev", "srtm30", "application/bil",
- "srtm", ".bil", TILE_WIDTH, TILE_HEIGHT);
+ "srtm/", "bil", TILE_WIDTH, TILE_HEIGHT);
}
static void gis_plugin_srtm_dispose(GObject *gobject)
{
g_debug("GisPluginSrtm: dispose");
GisPluginSrtm *self = GIS_PLUGIN_SRTM(gobject);
/* Drop references */
+ if (LOAD_BIL)
+ gis_viewer_clear_height_func(self->viewer);
+ if (self->viewer) {
+ g_signal_handler_disconnect(self->viewer, self->sigid);
+ g_object_unref(self->viewer);
+ self->viewer = NULL;
+ }
G_OBJECT_CLASS(gis_plugin_srtm_parent_class)->dispose(gobject);
}
static void gis_plugin_srtm_finalize(GObject *gobject)
/* Free data */
gis_tile_free(self->tiles, _free_tile, self);
gis_wms_free(self->wms);
+ g_mutex_free(self->mutex);
G_OBJECT_CLASS(gis_plugin_srtm_parent_class)->finalize(gobject);
}
projects / grits / blobdiff