+/*
+ * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
+ *
+ * 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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
#include <config.h>
#include <gtk/gtk.h>
#include <curl/curl.h>
#include <stdio.h>
+#include "aweather-gui.h"
+#include "plugin-ridge.h"
+#include "data.h"
+
+/****************
+ * GObject code *
+ ****************/
+/* Plugin init */
+static void aweather_ridge_plugin_init(AWeatherPluginInterface *iface);
+static void aweather_ridge_expose(AWeatherPlugin *_ridge);
+G_DEFINE_TYPE_WITH_CODE(AWeatherRidge, aweather_ridge, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE(AWEATHER_TYPE_PLUGIN,
+ aweather_ridge_plugin_init));
+static void aweather_ridge_plugin_init(AWeatherPluginInterface *iface)
+{
+ g_debug("AWeatherRidge: plugin_init");
+ /* Add methods to the interface */
+ iface->expose = aweather_ridge_expose;
+}
+/* Class/Object init */
+static void aweather_ridge_init(AWeatherRidge *ridge)
+{
+ g_debug("AWeatherRidge: init");
+ /* Set defaults */
+ ridge->gui = NULL;
+}
+static void aweather_ridge_dispose(GObject *gobject)
+{
+ g_debug("AWeatherRidge: dispose");
+ AWeatherRidge *self = AWEATHER_RIDGE(gobject);
+ /* Drop references */
+ G_OBJECT_CLASS(aweather_ridge_parent_class)->dispose(gobject);
+}
+static void aweather_ridge_finalize(GObject *gobject)
+{
+ g_debug("AWeatherRidge: finalize");
+ AWeatherRidge *self = AWEATHER_RIDGE(gobject);
+ /* Free data */
+ G_OBJECT_CLASS(aweather_ridge_parent_class)->finalize(gobject);
+
+}
+static void aweather_ridge_class_init(AWeatherRidgeClass *klass)
+{
+ g_debug("AWeatherRidge: class_init");
+ GObjectClass *gobject_class = (GObjectClass*)klass;
+ gobject_class->dispose = aweather_ridge_dispose;
+ gobject_class->finalize = aweather_ridge_finalize;
+}
+
+/*********************
+ * Overlay constants *
+ *********************/
enum {
LAYER_TOPO,
LAYER_COUNTY,
LAYER_COUNT
};
-static struct {
- char *fmt;
+typedef struct {
+ gchar *name;
+ gchar *fmt;
+ gboolean enabled;
float z;
guint tex;
-} layers[] = {
- [LAYER_TOPO] = { "Overlays/" "Topo/" "Short/" "%s_Topo_Short.jpg", 1, 0 },
- [LAYER_COUNTY] = { "Overlays/" "County/" "Short/" "%s_County_Short.gif", 3, 0 },
- [LAYER_RIVERS] = { "Overlays/" "Rivers/" "Short/" "%s_Rivers_Short.gif", 4, 0 },
- [LAYER_HIGHWAYS] = { "Overlays/" "Highways/" "Short/" "%s_Highways_Short.gif", 5, 0 },
- [LAYER_CITY] = { "Overlays/" "Cities/" "Short/" "%s_City_Short.gif", 6, 0 },
+} layer_t;
+
+static layer_t layers[] = {
+ [LAYER_TOPO] = {"Topo", "Overlays/Topo/Short/%s_Topo_Short.jpg", TRUE, 1, 0},
+ [LAYER_COUNTY] = {"Counties", "Overlays/County/Short/%s_County_Short.gif", TRUE, 3, 0},
+ [LAYER_RIVERS] = {"Rivers", "Overlays/Rivers/Short/%s_Rivers_Short.gif", FALSE, 4, 0},
+ [LAYER_HIGHWAYS] = {"Highways", "Overlays/Highways/Short/%s_Highways_Short.gif", FALSE, 5, 0},
+ [LAYER_CITY] = {"Cities", "Overlays/Cities/Short/%s_City_Short.gif", TRUE, 6, 0},
};
-static CURL *curl_handle;
-
-/**
- * Cache a image from Ridge to the local disk
- * \param path Path to the Ridge file, starting after /ridge/
- * \return The local path to the cached image
- */
-char *cache_image(char *path)
-{
- gchar base[] = "http://radar.weather.gov/ridge/";
- gchar *url = g_strconcat(base, path, NULL);
- gchar *local = g_build_filename(g_get_user_cache_dir(), PACKAGE, path, NULL);
- if (!g_file_test(local, G_FILE_TEST_EXISTS)) {
- if (!g_file_test(g_path_get_dirname(local), G_FILE_TEST_IS_DIR)) {
- //g_printerr("Making directory %s\n", g_path_get_dirname(local));
- g_mkdir_with_parents(g_path_get_dirname(local), 0755);
- }
- //g_printerr("Fetching image %s -> %s\n", url, local);
- long http_code;
- FILE *cached_image = fopen(local, "w+");
- curl_easy_setopt(curl_handle, CURLOPT_URL, url);
- curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, cached_image);
- curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, NULL);
- curl_easy_perform(curl_handle);
- curl_easy_getinfo(curl_handle, CURLINFO_RESPONSE_CODE, &http_code);
- fflush(cached_image);
- if (http_code != 200) {
- g_message("http %ld while fetching %s", http_code, url);
- remove(local);
- return NULL;
- }
- }
- return local;
-}
-
-/**
+/***********
+ * Helpers *
+ ***********/
+/*
* Load an image into an OpenGL texture
* \param filename Path to the image file
* \return The OpenGL identifier for the texture
*/
-guint load_texture(char *filename)
+void load_texture(AWeatherRidge *self, layer_t *layer, gchar *filename)
{
+ aweather_gui_gl_begin(self->gui);
+
/* Load image */
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, NULL);
+ if (!pixbuf)
+ g_warning("Failed to load texture: %s", filename);
guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
int width = gdk_pixbuf_get_width(pixbuf);
int height = gdk_pixbuf_get_height(pixbuf);
int format = gdk_pixbuf_get_has_alpha(pixbuf) ? GL_RGBA : GL_RGB;
/* Create Texture */
- guint id;
- glGenTextures(1, &id);
- glBindTexture(GL_TEXTURE_2D, id); // 2d texture (x and y size)
+ glDeleteTextures(1, &layer->tex);
+ glGenTextures(1, &layer->tex);
+ glBindTexture(GL_TEXTURE_2D, layer->tex); // 2d texture (x and y size)
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- g_message("loaded image: w=%-3d h=%-3d fmt=%x px=(%02x,%02x,%02x,%02x) img=%s",
+ char *base = g_path_get_basename(filename);
+ g_debug("AWeatherRidge: load_texture - "
+ "w=%-3d h=%-3d fmt=%x px=(%02x,%02x,%02x,%02x) img=%s",
width, height, format, pixels[0], pixels[1], pixels[2], pixels[3],
- g_path_get_basename(filename));
- return id;
+ base);
+ g_free(base);
+
+ aweather_gui_gl_end(self->gui);
+
+ g_object_unref(pixbuf);
+
+ /* Redraw */
+ aweather_gui_gl_redraw(self->gui);
}
-static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
+
+/*****************
+ * ASync helpers *
+ *****************/
+typedef struct {
+ AWeatherRidge *self;
+ layer_t *layer;
+} cached_t;
+void cached_cb(gchar *filename, gboolean updated, gpointer _udata)
{
- g_message("ridge:expose");
- glPushMatrix();
- glEnable(GL_TEXTURE_2D);
- glColor4f(1,1,1,1);
+ cached_t *udata = _udata;
+ load_texture(udata->self, udata->layer, filename);
+ g_free(udata);
+}
+/*************
+ * callbacks *
+ *************/
+static void on_site_changed(AWeatherView *view, gchar *site, AWeatherRidge *self)
+{
+ g_debug("AWeatherRidge: on_site_changed - site=%s", site);
for (int i = 0; i < LAYER_COUNT; i++) {
- glBindTexture(GL_TEXTURE_2D, layers[i].tex);
-
- glBegin(GL_POLYGON);
- glTexCoord2f(0.0, 0.0); glVertex3f(500*1000*-1.0, 500*1000* 1.0, layers[i].z);
- glTexCoord2f(0.0, 1.0); glVertex3f(500*1000*-1.0, 500*1000*-1.0, layers[i].z);
- glTexCoord2f(1.0, 1.0); glVertex3f(500*1000* 1.0, 500*1000*-1.0, layers[i].z);
- glTexCoord2f(1.0, 0.0); glVertex3f(500*1000* 1.0, 500*1000* 1.0, layers[i].z);
- glEnd();
+ gchar *base = "http://radar.weather.gov/ridge/";
+ gchar *path = g_strdup_printf(layers[i].fmt, site);
+ cached_t *udata = g_malloc(sizeof(cached_t));
+ udata->self = self;
+ udata->layer = &layers[i];
+ cache_file(base, path, AWEATHER_ONCE, cached_cb, udata);
+ g_free(path);
}
+}
- glPopMatrix();
- return FALSE;
+void toggle_layer(GtkToggleButton *check, AWeatherGui *gui)
+{
+ layer_t *layer = g_object_get_data(G_OBJECT(check), "layer");
+ layer->enabled = gtk_toggle_button_get_active(check);
+ aweather_gui_gl_redraw(gui);
}
-static gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
+/***********
+ * Methods *
+ ***********/
+AWeatherRidge *aweather_ridge_new(AWeatherGui *gui)
{
+ AWeatherRidge *ridge = g_object_new(AWEATHER_TYPE_RIDGE, NULL);
+ ridge->gui = gui;
+
+ AWeatherView *view = aweather_gui_get_view(gui);
+ GtkWidget *drawing = aweather_gui_get_widget(gui, "drawing");
+ GtkWidget *config = aweather_gui_get_widget(gui, "tabs");
+
+ /* Add configuration tab */
+ GtkWidget *tab = gtk_label_new("Ridge");
+ GtkWidget *body = gtk_alignment_new(0.5, 0, 0, 0);
+ GtkWidget *hbox = gtk_hbox_new(FALSE, 10);
for (int i = 0; i < LAYER_COUNT; i++) {
- if (layers[i].tex != 0)
- continue;
- char *path = g_strdup_printf(layers[i].fmt, "IND");
- char *local = cache_image(path);
- layers[i].tex = load_texture(local);
- g_free(local);
- g_free(path);
+ GtkWidget *check = gtk_check_button_new_with_label(layers[i].name);
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), layers[i].enabled);
+ gtk_box_pack_start(GTK_BOX(hbox), check, FALSE, TRUE, 0);
+ g_object_set_data(G_OBJECT(check), "layer", &layers[i]);
+ g_signal_connect(check, "toggled", G_CALLBACK(toggle_layer), gui);
}
- return FALSE;
+ gtk_container_add(GTK_CONTAINER(body), hbox);
+ gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab);
+
+ g_signal_connect(view, "site-changed", G_CALLBACK(on_site_changed), ridge);
+
+ return ridge;
}
-gboolean ridge_init(GtkDrawingArea *drawing, GtkNotebook *config)
+static void aweather_ridge_expose(AWeatherPlugin *_ridge)
{
- /* Set up OpenGL Stuff */
- g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
- g_signal_connect(drawing, "configure-event", G_CALLBACK(configure), NULL);
+ AWeatherRidge *ridge = AWEATHER_RIDGE(_ridge);
- curl_global_init(CURL_GLOBAL_ALL);
- curl_handle = curl_easy_init();
+ g_debug("AWeatherRidge: expose");
+ glPushMatrix();
+ glEnable(GL_TEXTURE_2D);
+ glColor4f(1,1,1,1);
- return TRUE;
+ for (int i = 0; i < LAYER_COUNT; i++) {
+ if (!layers[i].enabled)
+ continue;
+ glBindTexture(GL_TEXTURE_2D, layers[i].tex);
+ glBegin(GL_POLYGON);
+ glTexCoord2f(0.0, 0.0); glVertex3f(240*1000*-1.0, 282*1000* 1.0, layers[i].z);
+ glTexCoord2f(0.0, 1.0); glVertex3f(240*1000*-1.0, 282*1000*-1.0, layers[i].z);
+ glTexCoord2f(1.0, 1.0); glVertex3f(240*1000* 1.0, 282*1000*-1.0, layers[i].z);
+ glTexCoord2f(1.0, 0.0); glVertex3f(240*1000* 1.0, 282*1000* 1.0, layers[i].z);
+ glEnd();
+ }
+
+ glPopMatrix();
}
projects / grits / blobdiff