/*
- * Copyright (C) 2009-201
0 Andy Spencer <andy753421@gmail.com>
+ * Copyright (C) 2009-201
1 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
*/
#include <time.h>
-#include <stdlib.h>
#include <glib/gstdio.h>
-#include <GL/gl.h>
#include <grits.h>
#include "map.h"
-#define MAX_RESOLUTION 500
-#define TILE_WIDTH 1024
-#define TILE_HEIGHT 512
+#define MAX_RESOLUTION 1
+#define TILE_WIDTH 256
+#define TILE_HEIGHT 256
+//#define MAX_RESOLUTION 100
+//#define TILE_WIDTH 1024
+//#define TILE_HEIGHT 512
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
- {{0x73, 0x93, 0xad}, {0x73, 0x93, 0xad, 0x40}}, // Lakes
- {{0xff, 0xe1, 0x80}, {0xff, 0xe1, 0x80, 0x60}}, // Cities
+ //{{0x73, 0x91, 0xad}, {0x73, 0x91, 0xad, 0x00}}, // Oceans
+ //{{0xf6, 0xee, 0xee}, {0xf6, 0xee, 0xee, 0x00}}, // Ground
+ //{{0xff, 0xff, 0xff}, {0xff, 0xff, 0xff, 0xff}}, // Borders
+ //{{0x73, 0x93, 0xad}, {0x73, 0x93, 0xad, 0x40}}, // Lakes
+ //{{0xff, 0xe1, 0x80}, {0xff, 0xe1, 0x80, 0x60}}, // Cities
};
struct _LoadTileData {
GritsPluginMap *map;
GritsTile *tile;
- gchar *path;
+ guint8 *pixels;
+ gboolean alpha;
+ gint width;
+ gint height;
};
static gboolean _load_tile_cb(gpointer _data)
{
struct _LoadTileData *data = _data;
- GritsPluginMap *map = data->map;
- GritsTile *tile = data->tile;
- gchar *path = data->path;
- g_free(data);
-
- /* Load pixbuf */
g_debug("GritsPluginMap: _load_tile_cb start");
- GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
- if (!pixbuf) {
- g_warning("GritsPluginMap: _load_tile - Error loading pixbuf %s", path);
- g_remove(path);
- g_free(path);
+ if (data->map->aborted) {
+ g_debug("GritsPluginMap: _load_tile - aborted");
return FALSE;
}
- g_free(path);
-
- /* Create Texture */
- guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
- gboolean alpha = gdk_pixbuf_get_has_alpha(pixbuf);
- gint width = gdk_pixbuf_get_width(pixbuf);
- gint height = gdk_pixbuf_get_height(pixbuf);
-
- for (int i = 0; i < width*height; i++) {
- for (int j = 0; j < G_N_ELEMENTS(colormap); j++) {
- if (pixels[i*4+0] == colormap[j][0][0] &&
- pixels[i*4+1] == colormap[j][0][1] &&
- pixels[i*4+2] == colormap[j][0][2]) {
- pixels[i*4+0] = colormap[j][1][0];
- pixels[i*4+1] = colormap[j][1][1];
- pixels[i*4+2] = colormap[j][1][2];
- pixels[i*4+3] = colormap[j][1][3];
- break;
- }
- }
- }
guint *tex = g_new0(guint, 1);
glGenTextures(1, tex);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
- glTexImage2D(GL_TEXTURE_2D, 0, 4, width, height, 0,
- (alpha ? GL_RGBA : GL_RGB), GL_UNSIGNED_BYTE, pixels);
+ glTexImage2D(GL_TEXTURE_2D, 0, 4, data->width, data->height, 0,
+ (data->alpha ? GL_RGBA : GL_RGB), GL_UNSIGNED_BYTE, data->pixels);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFlush();
- tile->data = tex;
- gtk_widget_queue_draw(GTK_WIDGET(map->viewer));
- g_object_unref(pixbuf);
+ data->tile->data = tex;
+ if (data->map->viewer)
+ gtk_widget_queue_draw(GTK_WIDGET(data->map->viewer));
+ g_free(data->pixels);
+ g_free(data);
return FALSE;
}
{
GritsPluginMap *map = _map;
g_debug("GritsPluginMap: _load_tile start %p", g_thread_self());
+ if (map->aborted) {
+ g_debug("GritsPluginMap: _load_tile - aborted");
+ return;
+ }
+
+ /* Download tile */
+ gchar *path = grits_tms_fetch(map->tms, tile, GRITS_ONCE, NULL, NULL);
+ //gchar *path = grits_wms_fetch(map->wms, tile, GRITS_ONCE, NULL, NULL);
+ if (!path) return; // Canceled/error
+
+ /* Load pixbuf */
+ GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(path, NULL);
+ if (!pixbuf) {
+ g_warning("GritsPluginMap: _load_tile - Error loading pixbuf %s", path);
+ g_remove(path);
+ g_free(path);
+ return;
+ }
+ g_free(path);
+
+ /* Copy pixbuf data for callback */
struct _LoadTileData *data = g_new0(struct _LoadTileData, 1);
- data->map = map;
- data->tile = tile;
- data->path = grits_wms_fetch(map->wms, tile, GRITS_ONCE, NULL, NULL);
+ data->map = map;
+ data->tile = tile;
+ data->pixels = gdk_pixbuf_get_pixels(pixbuf);
+ data->alpha = gdk_pixbuf_get_has_alpha(pixbuf);
+ data->width = gdk_pixbuf_get_width(pixbuf);
+ data->height = gdk_pixbuf_get_height(pixbuf);
+ data->pixels = g_memdup(data->pixels,
+ data->width * data->height * (data->alpha ? 4 : 3));
+ g_object_unref(pixbuf);
+
+ /* Map texture colors, if needed */
+ for (int i = 0; i < data->width * data->height; i++) {
+ for (int j = 0; j < G_N_ELEMENTS(colormap); j++) {
+ if (data->pixels[i*4+0] == colormap[j][0][0] &&
+ data->pixels[i*4+1] == colormap[j][0][1] &&
+ data->pixels[i*4+2] == colormap[j][0][2]) {
+ data->pixels[i*4+0] = colormap[j][1][0];
+ data->pixels[i*4+1] = colormap[j][1][1];
+ data->pixels[i*4+2] = colormap[j][1][2];
+ data->pixels[i*4+3] = colormap[j][1][3];
+ break;
+ }
+ }
+ }
+
+ /* Load the GL texture from the main thread */
g_idle_add_full(G_PRIORITY_LOW, _load_tile_cb, data, NULL);
g_debug("GritsPluginMap: _load_tile end %p", g_thread_self());
}
}
static void _free_tile(GritsTile *tile, gpointer _map)
{
- g_debug("GritsPluginMap: _free_tile: %p", tile->data);
- if (tile->data)
+ if (tile->data) {
+ g_debug("GritsPluginMap: _free_tile: %p", tile->data);
g_idle_add_full(G_PRIORITY_LOW, _free_tile_cb, tile->data, NULL);
+ }
}
-static gpointer _update_tiles(gpointer _map)
+static void _update_tiles(gpointer _, gpointer _map)
{
g_debug("GritsPluginMap: _update_tiles");
GritsPluginMap *map = _map;
- if (!g_mutex_trylock(map->mutex))
- return NULL;
GritsPoint eye;
grits_viewer_get_location(map->viewer, &eye.lat, &eye.lon, &eye.elev);
grits_tile_update(map->tiles, &eye,
_load_tile, map);
grits_tile_gc(map->tiles, time(NULL)-10,
_free_tile, map);
- g_mutex_unlock(map->mutex);
- return NULL;
}
/*************
static void _on_location_changed(GritsViewer *viewer,
gdouble lat, gdouble lon, gdouble elev, GritsPluginMap *map)
{
- g_thread_create(_update_tiles, map, FALSE, NULL);
-}
-
-static gpointer _threaded_init(GritsPluginMap *map)
-{
- _load_tile(map->tiles, map);
- _update_tiles(map);
- return NULL;
+ g_thread_pool_push(map->threads, NULL+1, NULL);
}
/***********
map->viewer = g_object_ref(viewer);
/* Load initial tiles */
- g_thread_create((GThreadFunc)_threaded_init, map, FALSE, NULL);
+ _update_tiles(NULL, map);
/* Connect signals */
map->sigid = g_signal_connect(map->viewer, "location-changed",
G_CALLBACK(_on_location_changed), map);
/* Add renderers */
- grits_viewer_add(viewer, GRITS_OBJECT(map->tiles), GRITS_LEVEL_OVERLAY-1, 0);
+ grits_viewer_add(viewer, GRITS_OBJECT(map->tiles), GRITS_LEVEL_WORLD, FALSE);
return map;
}
{
g_debug("GritsPluginMap: init");
/* Set defaults */
- map->mutex = g_mutex_new();
- map->tiles = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
- map->wms = grits_wms_new(
- "http://labs.metacarta.com/wms/vmap0", "basic", "image/png",
- "osm/", "png", TILE_WIDTH, TILE_HEIGHT);
+ map->threads = g_thread_pool_new(_update_tiles, map, 1, FALSE, NULL);
+ map->tiles = grits_tile_new(NULL, 85.0511, -85.0511, EAST, WEST);
+ map->tms = grits_tms_new("http://tile.openstreetmap.org",
+ "osmtile/", "png");
+ map->tiles->proj = GRITS_PROJ_MERCATOR;
+ //map->tiles = grits_tile_new(NULL, NORTH, SOUTH, EAST, WEST);
+ //map->wms = grits_wms_new(
+ // "http://vmap0.tiles.osgeo.org/wms/vmap0",
+ // "basic,priroad,secroad,depthcontour,clabel,statelabel",
+ // "image/png", "osm/", "png", TILE_WIDTH, TILE_HEIGHT);
+ g_object_ref(map->tiles);
}
static void grits_plugin_map_dispose(GObject *gobject)
{
g_debug("GritsPluginMap: dispose");
GritsPluginMap *map = GRITS_PLUGIN_MAP(gobject);
+ map->aborted = TRUE;
/* Drop references */
if (map->viewer) {
- g_signal_handler_disconnect(map->viewer, map->sigid);
- g_object_unref(map->viewer);
+ GritsViewer *viewer = map->viewer;
map->viewer = NULL;
+ g_signal_handler_disconnect(viewer, map->sigid);
+ grits_viewer_remove(viewer, GRITS_OBJECT(map->tiles));
+ g_object_unref(map->tiles);
+ soup_session_abort(map->tms->http->soup);
+ //soup_session_abort(map->wms->http->soup);
+ g_thread_pool_free(map->threads, TRUE, TRUE);
+ while (gtk_events_pending())
+ gtk_main_iteration();
+ g_object_unref(viewer);
}
G_OBJECT_CLASS(grits_plugin_map_parent_class)->dispose(gobject);
}
g_debug("GritsPluginMap: finalize");
GritsPluginMap *map = GRITS_PLUGIN_MAP(gobject);
/* Free data */
+ grits_tms_free(map->tms);
+ //grits_wms_free(map->wms);
grits_tile_free(map->tiles, _free_tile, map);
- grits_wms_free(map->wms);
- g_mutex_free(map->mutex);
G_OBJECT_CLASS(grits_plugin_map_parent_class)->finalize(gobject);
}
projects / grits / blobdiff