X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fplugin-ridge.c;h=ea6068a8272726803f97a36ac53d2ead8f7b506e;hp=cede4f491ef41c7fabeec74c30e92a34e12ac912;hb=93c853165104b5119e17be07e325f9097a5ebdb3;hpb=d527bfdb9682b1824e1c2df318a92291aaa48860 diff --git a/src/plugin-ridge.c b/src/plugin-ridge.c index cede4f4..ea6068a 100644 --- a/src/plugin-ridge.c +++ b/src/plugin-ridge.c @@ -1,3 +1,20 @@ +/* + * Copyright (C) 2009 Andy Spencer + * + * 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 . + */ + #include #include #include @@ -6,6 +23,7 @@ #include #include "aweather-gui.h" +#include "data.h" enum { LAYER_TOPO, @@ -16,72 +34,46 @@ enum { 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", TRUE, 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; -} +static AWeatherGui *gui = NULL; /** * 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(gchar *filename, gpointer _layer) { + layer_t *layer = _layer; + aweather_gui_gl_begin(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) + 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, @@ -89,10 +81,27 @@ guint load_texture(char *filename) glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + char *base = g_path_get_basename(filename); g_message("loaded image: 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(gui); + + /* Redraw */ + gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing")); +} + +static void set_site(AWeatherView *view, gchar *site, gpointer user_data) +{ + g_message("location changed to %s", site); + for (int i = 0; i < LAYER_COUNT; i++) { + gchar *base = "http://radar.weather.gov/ridge/"; + gchar *path = g_strdup_printf(layers[i].fmt, site); + cache_file(base, path, load_texture, &layers[i]); + g_free(path); + } } static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data) @@ -103,13 +112,14 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data) glColor4f(1,1,1,1); 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(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); + glTexCoord2f(0.0, 0.0); glVertex3f(250*1000*-1.0, 250*1000* 1.0, layers[i].z); + glTexCoord2f(0.0, 1.0); glVertex3f(250*1000*-1.0, 250*1000*-1.0, layers[i].z); + glTexCoord2f(1.0, 1.0); glVertex3f(250*1000* 1.0, 250*1000*-1.0, layers[i].z); + glTexCoord2f(1.0, 0.0); glVertex3f(250*1000* 1.0, 250*1000* 1.0, layers[i].z); glEnd(); } @@ -117,30 +127,36 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data) return FALSE; } -static gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data) +void toggle_layer(GtkToggleButton *check, gpointer _layer) { - 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); - } - return FALSE; + layer_t *layer = _layer; + layer->enabled = gtk_toggle_button_get_active(check); + gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing")); } -gboolean ridge_init(AWeatherGui *gui) +gboolean ridge_init(AWeatherGui *_gui) { - GtkDrawingArea *drawing = aweather_gui_get_drawing(gui); + 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++) { + 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_signal_connect(check, "toggled", G_CALLBACK(toggle_layer), &layers[i]); + } + gtk_container_add(GTK_CONTAINER(body), hbox); + gtk_notebook_append_page(GTK_NOTEBOOK(config), body, tab); /* Set up OpenGL Stuff */ - g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL); - g_signal_connect(drawing, "configure-event", G_CALLBACK(configure), NULL); - - curl_global_init(CURL_GLOBAL_ALL); - curl_handle = curl_easy_init(); + g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL); + g_signal_connect(view, "location-changed", G_CALLBACK(set_site), NULL); return TRUE; }