+++ /dev/null
-/*
- * 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 <stdio.h>
-#include <gtk/gtk.h>
-#include <curl/curl.h>
-#include <GL/gl.h>
-
-#include <gis/gis.h>
-
-#include "ridge.h"
-
-
-/*********************
- * Overlay constants *
- *********************/
-enum {
- LAYER_TOPO,
- LAYER_COUNTY,
- LAYER_RIVERS,
- LAYER_HIGHWAYS,
- LAYER_CITY,
- LAYER_COUNT
-};
-
-typedef struct {
- gchar *name;
- gchar *fmt;
- gboolean enabled;
- float z;
- guint tex;
-} 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},
-};
-
-
-/***********
- * Helpers *
- ***********/
-/*
- * Load an image into an OpenGL texture
- * \param filename Path to the image file
- * \return The OpenGL identifier for the texture
- */
-void load_texture(GisPluginRidge *self, layer_t *layer, gchar *filename)
-{
- gis_opengl_begin(self->opengl);
-
- /* Load image */
- GError *error = NULL;
- GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(filename, &error);
- if (!pixbuf || error) {
- g_warning("Failed to load texture: %s", filename);
- return;
- }
- 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 */
- 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,
- format, GL_UNSIGNED_BYTE, pixels);
- 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_debug("GisPluginRidge: 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],
- base);
- g_free(base);
-
- gis_opengl_end(self->opengl);
-
- g_object_unref(pixbuf);
-
- /* Redraw */
- gis_opengl_redraw(self->opengl);
-}
-
-
-/*****************
- * ASync helpers *
- *****************/
-typedef struct {
- GisPluginRidge *self;
- layer_t *layer;
-} cached_t;
-void cached_cb(gchar *filename, gboolean updated, gpointer _udata)
-{
- cached_t *udata = _udata;
- load_texture(udata->self, udata->layer, filename);
- g_free(udata);
-}
-
-
-/*************
- * callbacks *
- *************/
-static void on_site_changed(GisView *view, gchar *site, GisPluginRidge *self)
-{
- g_debug("GisPluginRidge: on_site_changed - site=%s", site);
- if (site == NULL || site[0] == '\0')
- return;
- for (int i = 0; i < LAYER_COUNT; i++) {
- gchar *base = "http://radar.weather.gov/ridge/";
- gchar *path = g_strdup_printf(layers[i].fmt, site+1);
- cached_t *udata = g_malloc(sizeof(cached_t));
- udata->self = self;
- udata->layer = &layers[i];
- cache_file(base, path, GIS_ONCE, NULL, cached_cb, udata);
- g_free(path);
- }
-}
-
-void toggle_layer(GtkToggleButton *check, GisPluginRidge *self)
-{
- layer_t *layer = g_object_get_data(G_OBJECT(check), "layer");
- layer->enabled = gtk_toggle_button_get_active(check);
- gis_opengl_redraw(self->opengl);
-}
-
-
-/***********
- * Methods *
- ***********/
-GisPluginRidge *gis_plugin_ridge_new(GisWorld *world, GisView *view, GisOpenGL *opengl)
-{
- GisPluginRidge *self = g_object_new(GIS_TYPE_PLUGIN_RIDGE, NULL);
- self->world = world;
- self->view = view;
- self->opengl = opengl;
-
- g_signal_connect(view, "site-changed", G_CALLBACK(on_site_changed), self);
- on_site_changed(view, gis_view_get_site(view), self);
-
- return self;
-}
-
-static GtkWidget *gis_plugin_ridge_get_config(GisPlugin *_self)
-{
- GisPluginRidge *self = GIS_PLUGIN_RIDGE(_self);
- 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_object_set_data(G_OBJECT(check), "layer", &layers[i]);
- g_signal_connect(check, "toggled", G_CALLBACK(toggle_layer), self);
- }
- gtk_container_add(GTK_CONTAINER(body), hbox);
- return body;
-}
-
-static void gis_plugin_ridge_expose(GisPlugin *_self)
-{
- GisPluginRidge *self = GIS_PLUGIN_RIDGE(_self);
-
- g_debug("GisPluginRidge: expose");
- glEnable(GL_TEXTURE_2D);
- 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(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();
- }
-}
-
-
-/****************
- * GObject code *
- ****************/
-/* Plugin init */
-static void gis_plugin_ridge_plugin_init(GisPluginInterface *iface);
-G_DEFINE_TYPE_WITH_CODE(GisPluginRidge, gis_plugin_ridge, G_TYPE_OBJECT,
- G_IMPLEMENT_INTERFACE(GIS_TYPE_PLUGIN,
- gis_plugin_ridge_plugin_init));
-static void gis_plugin_ridge_plugin_init(GisPluginInterface *iface)
-{
- g_debug("GisPluginRidge: plugin_init");
- /* Add methods to the interface */
- iface->expose = gis_plugin_ridge_expose;
- iface->get_config = gis_plugin_ridge_get_config;
-}
-/* Class/Object init */
-static void gis_plugin_ridge_init(GisPluginRidge *self)
-{
- g_debug("GisPluginRidge: init");
- /* Set defaults */
-}
-static void gis_plugin_ridge_dispose(GObject *gobject)
-{
- g_debug("GisPluginRidge: dispose");
- GisPluginRidge *self = GIS_PLUGIN_RIDGE(gobject);
- /* Drop references */
- G_OBJECT_CLASS(gis_plugin_ridge_parent_class)->dispose(gobject);
-}
-static void gis_plugin_ridge_finalize(GObject *gobject)
-{
- g_debug("GisPluginRidge: finalize");
- GisPluginRidge *self = GIS_PLUGIN_RIDGE(gobject);
- /* Free data */
- G_OBJECT_CLASS(gis_plugin_ridge_parent_class)->finalize(gobject);
-
-}
-static void gis_plugin_ridge_class_init(GisPluginRidgeClass *klass)
-{
- g_debug("GisPluginRidge: class_init");
- GObjectClass *gobject_class = (GObjectClass*)klass;
- gobject_class->dispose = gis_plugin_ridge_dispose;
- gobject_class->finalize = gis_plugin_ridge_finalize;
-}
-
projects / aweather / blobdiff