void histogram_imager_load_image_file (HistogramImager *self, const gchar *filename, GError **error) { /* Try to open the given PNG file and load parameters from it */ const gchar *params; GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file (filename, error); if (!pixbuf) return; params = gdk_pixbuf_get_option (pixbuf, "tEXt::fyre_params"); /* For backward compatibility with de Jong Explorer and early versions of Fyre */ if (!params) params = gdk_pixbuf_get_option (pixbuf, "tEXt::de_jong_params"); if (params) { parameter_holder_load_string (PARAMETER_HOLDER (self), params); } else { if (error != NULL) { GError *nerror = g_error_new (fyre_histogram_imager_error_quark(), FYRE_HISTOGRAM_IMAGER_ERROR_NO_METADATA, "The image does not contain Fyre metadata"); *error = nerror; } } gdk_pixbuf_unref (pixbuf); }
ScreenSaver* screensaver_new(IterativeMap *map, Animation *animation) { ScreenSaver *self = SCREENSAVER(g_object_new(screensaver_get_type(), NULL)); int i; AnimationIter iter; gchar* common_parameters; self->animation = ANIMATION(g_object_ref(animation)); self->map = ITERATIVE_MAP(g_object_ref(map)); self->view = g_object_ref(histogram_view_new(HISTOGRAM_IMAGER(self->map))); /* Allocate and interpolate all frames */ self->framerate = 10; self->num_frames = animation_get_length(self->animation) * self->framerate; self->frame_renders = g_new0(IterativeMap*, self->num_frames); self->frame_parameters = g_new0(ParameterHolderPair, self->num_frames); self->current_frame = 0; common_parameters = parameter_holder_save_string(PARAMETER_HOLDER(map)); animation_iter_seek(animation, &iter, 0); for (i=0; i<self->num_frames; i++) { self->frame_renders[i] = ITERATIVE_MAP(de_jong_new()); parameter_holder_load_string(PARAMETER_HOLDER(self->frame_renders[i]), common_parameters); self->frame_parameters[i].a = PARAMETER_HOLDER(de_jong_new()); animation_iter_load(animation, &iter, self->frame_parameters[i].a); animation_iter_seek_relative(animation, &iter, 1/self->framerate); } for (i=0; i<self->num_frames-1; i++) self->frame_parameters[i].b = self->frame_parameters[i+1].a; self->frame_parameters[self->num_frames-1].b = self->frame_parameters[self->num_frames-1].a; g_free(common_parameters); self->direction = 1; screensaver_start(self); return self; }
int main(int argc, char ** argv) { IterativeMap* map; Animation* animation; gboolean animate = FALSE; gboolean have_gtk; gboolean verbose = FALSE; gboolean hidden = FALSE; enum {INTERACTIVE, RENDER, SCREENSAVER, REMOTE} mode = INTERACTIVE; const gchar *outputFile = NULL; const gchar *pidfile = NULL; int c, option_index=0; double quality = 1.0; #ifdef HAVE_GNET int port_number = FYRE_DEFAULT_PORT; #endif GError *error = NULL; math_init(); g_type_init(); have_gtk = gtk_init_check(&argc, &argv); #ifdef HAVE_GNET gnet_init(); # ifdef WIN32 gnet_ipv6_set_policy(GIPV6_POLICY_IPV4_ONLY); # endif #endif map = ITERATIVE_MAP(de_jong_new()); animation = animation_new(); while (1) { static struct option long_options[] = { {"help", 0, NULL, 'h'}, {"read", 1, NULL, 'i'}, {"animate", 1, NULL, 'n'}, {"output", 1, NULL, 'o'}, {"param", 1, NULL, 'p'}, {"size", 1, NULL, 's'}, {"oversample", 1, NULL, 'S'}, {"quality", 1, NULL, 'q'}, {"remote", 0, NULL, 'r'}, {"verbose", 0, NULL, 'v'}, {"port", 1, NULL, 'P'}, {"cluster", 1, NULL, 'c'}, {"auto-cluster", 0, NULL, 'C'}, {"screensaver", 0, NULL, 1000}, /* Undocumented, still experimental */ {"hidden", 0, NULL, 1001}, {"chdir", 1, NULL, 1002}, /* Undocumented, used by win32 file associations */ {"pidfile", 1, NULL, 1003}, {"version", 0, NULL, 1004}, {NULL}, }; c = getopt_long(argc, argv, "hi:n:o:p:s:S:q:rvP:c:C", long_options, &option_index); if (c == -1) break; switch (c) { case 'i': { histogram_imager_load_image_file(HISTOGRAM_IMAGER(map), optarg, &error); break; } case 'n': { GtkTreeIter iter; animation_load_file(animation, optarg); animate = TRUE; gtk_tree_model_get_iter_first(GTK_TREE_MODEL(animation->model), &iter); animation_keyframe_load(animation, &iter, PARAMETER_HOLDER(map)); break; } case 'o': mode = RENDER; outputFile = optarg; break; case 'p': parameter_holder_load_string(PARAMETER_HOLDER(map), optarg); break; case 's': parameter_holder_set(PARAMETER_HOLDER(map), "size" , optarg); break; case 'S': parameter_holder_set(PARAMETER_HOLDER(map), "oversample", optarg); break; case 'q': quality = atof(optarg); break; case 'v': verbose = TRUE; break; #ifdef HAVE_GNET case 'c': { ClusterModel *cluster = cluster_model_get(map, TRUE); cluster_model_add_nodes(cluster, optarg); } break; case 'C': { ClusterModel *cluster = cluster_model_get(map, TRUE); cluster_model_enable_discovery(cluster); } break; case 'r': mode = REMOTE; break; case 'P': port_number = atol(optarg); break; #else case 'c': case 'C': case 'P': fprintf(stderr, "This Fyre binary was compiled without gnet support.\n" "Cluster support is not available.\n"); break; case 'r': fprintf(stderr, "This Fyre binary was compiled without gnet support.\n" "Cluster support is not available.\n"); exit(1); break; #endif case 1000: /* --screensaver */ mode = SCREENSAVER; break; case 1001: /* --hidden */ hidden = TRUE; break; case 1002: /* --chdir */ chdir(optarg); break; case 1003: /* --pidfile */ pidfile = optarg; break; case 1004: /* --version */ printf("%s\n", VERSION); return 0; case 'h': default: usage(argv); return 1; } } if (optind + 1 < argc) { usage(argv); return 1; } if (optind != argc) { char *ext = strrchr (argv[optind], '.'); if (ext) { if (g_strcasecmp(ext, ".png") == 0) { histogram_imager_load_image_file(HISTOGRAM_IMAGER(map), argv[optind], &error); } else if (g_strcasecmp(ext, ".fa") == 0) { GtkTreeIter iter; animation_load_file(animation, argv[optind]); animate = TRUE; gtk_tree_model_get_iter_first(GTK_TREE_MODEL(animation->model), &iter); animation_keyframe_load(animation, &iter, PARAMETER_HOLDER(map)); } else { usage(argv); return 1; } } else { usage(argv); return 1; } } switch (mode) { case INTERACTIVE: { Explorer *explorer; if (!have_gtk) { fprintf(stderr, "GTK intiailization failed, can't start in interactive mode\n"); return 1; } explorer = explorer_new (map, animation); if (error) { GtkWidget *dialog, *label; gchar *text; dialog = glade_xml_get_widget (explorer->xml, "error dialog"); label = glade_xml_get_widget (explorer->xml, "error label"); text = g_strdup_printf ("<span weight=\"bold\" size=\"larger\">Error!</span>\n\n%s", error->message); gtk_label_set_markup (GTK_LABEL (label), text); g_free (text); g_error_free (error); gtk_dialog_run (GTK_DIALOG (dialog)); gtk_widget_hide (dialog); } gtk_main(); break; } case RENDER: { acquire_console(); if (error) { g_print ("Error: %s\n", error->message); g_error_free (error); } if (animate) animation_render_main (map, animation, outputFile, quality); else batch_image_render (map, outputFile, quality); break; } case REMOTE: { #ifdef HAVE_GNET if (verbose) { acquire_console(); } else { daemonize_to_pidfile(pidfile); } if (!hidden) discovery_server_new(FYRE_DEFAULT_SERVICE, port_number); remote_server_main_loop(port_number, have_gtk, verbose); #else fprintf(stderr, "This Fyre binary was compiled without gnet support.\n" "Remote control mode is not available.\n"); #endif break; } case SCREENSAVER: { ScreenSaver* screensaver; GtkWidget* window; if (!have_gtk) { fprintf(stderr, "GTK intiailization failed, can't start in screensaver mode\n"); return 1; } screensaver = screensaver_new(map, animation); window = gtk_window_new(GTK_WINDOW_TOPLEVEL); fyre_set_icon_later(window); gtk_window_set_resizable(GTK_WINDOW(window), FALSE); gtk_window_set_title(GTK_WINDOW(window), "Fyre Screensaver"); gtk_container_add(GTK_CONTAINER(window), screensaver->view); gtk_widget_show_all(window); gtk_main(); break; } } return 0; }
static void history_node_apply (HistoryNode* self, HistogramImager* map) { parameter_holder_load_string(PARAMETER_HOLDER(map), self->params); }