/* The GIMP -- an image manipulation program * Copyright (C) 1995, 1996, 1997 Spencer Kimball and Peter Mattis * Copyright (C) 1997 Josh MacDonald * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "config.h" #ifdef HAVE_SYS_PARAM_H #include #endif #include #include #include #include #include #include #include #ifdef HAVE_UNISTD_H #include #endif #include #ifdef G_OS_WIN32 #include /* For _mkdir() */ #define mkdir(path,mode) _mkdir(path) #include #ifndef S_IWUSR #define S_IWUSR _S_IWRITE #endif #ifndef S_IRUSR #define S_IRUSR _S_IREAD #endif #ifndef S_IWGRP #define S_IWGRP (_S_IWRITE>>3) #define S_IWOTH (_S_IWRITE>>6) #endif #ifndef S_IRGRP #define S_IRGRP (_S_IREAD>>3) #define S_IROTH (_S_IREAD>>6) #endif #define uid_t gint #define gid_t gint #define geteuid() 0 #define getegid() 0 #endif #include "appenv.h" #include "cursorutil.h" #include "dialog_handler.h" #include "gdisplay.h" #include "gimage.h" #include "gimpcontext.h" #include "gimpui.h" #include "fileops.h" #include "fileopsP.h" #include "menus.h" #include "layer.h" #include "channel.h" #include "plug_in.h" #include "procedural_db.h" #include "gimprc.h" #include "docindex.h" #include "undo.h" #include "libgimp/gimpmath.h" #include "libgimp/gimpintl.h" typedef struct _OverwriteData OverwriteData; struct _OverwriteData { gchar *full_filename; gchar *raw_filename; }; static void file_overwrite (gchar *filename, gchar *raw_filename); static void file_overwrite_callback (GtkWidget *widget, gboolean overwrite, gpointer data); static GimpImage * file_open_image (gchar *filename, gchar *raw_filename, gchar *open_mode, RunModeType run_mode, gint *status); static gint file_save (GimpImage *gimage, gchar *filename, gchar *raw_filename, RunModeType run_mode); static void file_open_genbutton_callback (GtkWidget *widget, gpointer data); static void file_open_clistrow_callback (GtkWidget *widget, gint row); static void file_open_ok_callback (GtkWidget *widget, gpointer data); static void file_save_ok_callback (GtkWidget *widget, gpointer data); static void file_dialog_show (GtkWidget *filesel); static gint file_dialog_hide (GtkWidget *filesel); static void file_update_name (PlugInProcDef *proc, GtkWidget *filesel); static void file_open_type_callback (GtkWidget *widget, gpointer data); static void file_save_type_callback (GtkWidget *widget, gpointer data); static void file_convert_string (gchar *instr, gchar *outmem, gint maxmem, gint *nmem); static gchar * file_absolute_filename (gchar *name); static gint file_check_single_magic (gchar *offset, gchar *type, gchar *value, gint headsize, guchar *file_head, FILE *ifp); static gint file_check_magic_list (GSList *magics_list, gint headsize, guchar *head, FILE *ifp); static void file_update_menus (GSList *procs, gint image_type); static GtkWidget *fileload = NULL; static GtkWidget *filesave = NULL; static GtkWidget *open_options = NULL; static GtkWidget *save_options = NULL; /* widgets for the open_options menu */ static GtkPreview *open_options_preview = NULL; static GtkWidget *open_options_fixed = NULL; static GtkWidget *open_options_label = NULL; static GtkWidget *open_options_frame = NULL; static GtkWidget *open_options_genbuttonlabel = NULL; /* Some state for the thumbnailer */ static gchar *preview_fullname = NULL; GSList *load_procs = NULL; GSList *save_procs = NULL; static PlugInProcDef *load_file_proc = NULL; static PlugInProcDef *save_file_proc = NULL; static GimpImage *the_gimage = NULL; extern GSList *display_list; /* from gdisplay.c */ void file_ops_pre_init (void) { } void file_ops_post_init (void) { GimpItemFactoryEntry entry; PlugInProcDef *file_proc; GSList *tmp; load_procs = g_slist_reverse (load_procs); save_procs = g_slist_reverse (save_procs); for (tmp = load_procs; tmp; tmp = g_slist_next (tmp)) { gchar *help_page; file_proc = tmp->data; help_page = g_strconcat ("filters/", g_basename (file_proc->prog), ".html", NULL); g_strdown (help_page); entry.entry.path = file_proc->menu_path; entry.entry.accelerator = NULL; entry.entry.callback = file_open_type_callback; entry.entry.callback_action = 0; entry.entry.item_type = NULL; entry.help_page = help_page; entry.description = NULL; menus_create_item_from_full_path (&entry, NULL, file_proc); } for (tmp = save_procs; tmp; tmp = g_slist_next (tmp)) { gchar *help_page; file_proc = tmp->data; help_page = g_strconcat ("filters/", g_basename (file_proc->prog), ".html", NULL); g_strdown (help_page); entry.entry.path = file_proc->menu_path; entry.entry.accelerator = NULL; entry.entry.callback = file_save_type_callback; entry.entry.callback_action = 0; entry.entry.item_type = NULL; entry.help_page = help_page; entry.description = NULL; menus_create_item_from_full_path (&entry, NULL, file_proc); } } void file_open_callback (GtkWidget *widget, gpointer data) { if (!fileload) { fileload = gtk_file_selection_new (_("Load Image")); gtk_window_set_position (GTK_WINDOW (fileload), GTK_WIN_POS_MOUSE); gtk_window_set_wmclass (GTK_WINDOW (fileload), "load_image", "Gimp"); gtk_container_set_border_width (GTK_CONTAINER (fileload), 2); gtk_container_set_border_width (GTK_CONTAINER (GTK_FILE_SELECTION (fileload)->button_area), 2); dialog_register_fileload (fileload); gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION (fileload)->cancel_button), "clicked", GTK_SIGNAL_FUNC (file_dialog_hide), GTK_OBJECT (fileload)); gtk_signal_connect (GTK_OBJECT (fileload), "delete_event", GTK_SIGNAL_FUNC (file_dialog_hide), NULL); gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION (fileload)->ok_button), "clicked", GTK_SIGNAL_FUNC (file_open_ok_callback), fileload); gtk_quit_add_destroy (1, GTK_OBJECT (fileload)); gtk_clist_set_selection_mode (GTK_CLIST (GTK_FILE_SELECTION (fileload)->file_list), GTK_SELECTION_EXTENDED); /* Catch file-clist clicks so we can update the preview thumbnail */ gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION (fileload)->file_list), "select_row", GTK_SIGNAL_FUNC (file_open_clistrow_callback), fileload); /* Connect the "F1" help key */ gimp_help_connect_help_accel (fileload, gimp_standard_help_func, "open/dialogs/file_open.html"); } else { gtk_widget_set_sensitive (GTK_WIDGET (fileload), TRUE); if (GTK_WIDGET_VISIBLE (fileload)) return; gtk_file_selection_set_filename (GTK_FILE_SELECTION(fileload), "." G_DIR_SEPARATOR_S); gtk_window_set_title (GTK_WINDOW (fileload), _("Load Image")); } if (!open_options) { GtkWidget *frame; GtkWidget *vbox; GtkWidget *hbox; GtkWidget *option_menu; GtkWidget *load_menu; GtkWidget *open_options_genbutton; open_options = gtk_hbox_new (TRUE, 1); /* format-chooser frame */ frame = gtk_frame_new (_("Determine File Type")); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN); gtk_box_pack_start (GTK_BOX (open_options), frame, TRUE, TRUE, 4); vbox = gtk_vbox_new (FALSE, 2); gtk_container_set_border_width (GTK_CONTAINER (vbox), 4); gtk_container_add (GTK_CONTAINER (frame), vbox); hbox = gtk_hbox_new (FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); option_menu = gtk_option_menu_new (); gtk_box_pack_start (GTK_BOX (hbox), option_menu, FALSE, FALSE, 0); gtk_widget_show (option_menu); menus_get_load_menu (&load_menu, NULL); gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu), load_menu); gtk_widget_show (vbox); gtk_widget_show (frame); /* Preview frame */ open_options_frame = frame = gtk_frame_new (""); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN); gtk_box_pack_end (GTK_BOX (open_options), frame, FALSE, TRUE, 4); vbox = gtk_vbox_new (FALSE, 2); gtk_container_set_border_width (GTK_CONTAINER (vbox), 4); gtk_container_add (GTK_CONTAINER (frame), vbox); hbox = gtk_hbox_new (TRUE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); open_options_genbutton = gtk_button_new (); gtk_signal_connect (GTK_OBJECT (open_options_genbutton), "clicked", GTK_SIGNAL_FUNC (file_open_genbutton_callback), fileload); gtk_box_pack_start (GTK_BOX (hbox), open_options_genbutton, TRUE, FALSE, 0); gtk_widget_show (open_options_genbutton); open_options_fixed = gtk_fixed_new (); gtk_widget_set_usize (open_options_fixed, 80, 60); gtk_container_add (GTK_CONTAINER (GTK_BIN (open_options_genbutton)), open_options_fixed); gtk_widget_show (open_options_fixed); { GtkWidget* abox; GtkWidget* sbox; GtkWidget* align; sbox = gtk_vbox_new (TRUE, 0); gtk_container_add (GTK_CONTAINER (open_options_fixed), sbox); gtk_widget_show (sbox); align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); gtk_widget_set_usize (align, 80, 60); gtk_box_pack_start (GTK_BOX (sbox), align, FALSE, TRUE, 0); gtk_widget_show (align); abox = gtk_hbox_new (FALSE, 0); gtk_container_add (GTK_CONTAINER (align), abox); gtk_widget_show (abox); open_options_preview = GTK_PREVIEW (gtk_preview_new (GTK_PREVIEW_COLOR)); gtk_box_pack_start (GTK_BOX (abox), GTK_WIDGET (open_options_preview), FALSE, TRUE, 0); gtk_widget_show (GTK_WIDGET (open_options_preview)); open_options_genbuttonlabel = gtk_label_new (_("Generate\nPreview")); gtk_box_pack_start (GTK_BOX (abox), open_options_genbuttonlabel, FALSE, TRUE, 0); gtk_widget_show (open_options_genbuttonlabel); } open_options_label = gtk_label_new (""); gtk_box_pack_start (GTK_BOX (vbox), open_options_label, FALSE, FALSE, 0); gtk_widget_show (open_options_label); gtk_widget_show (vbox); gtk_widget_show (frame); /* pack the containing open_options hbox into the open-dialog */ gtk_box_pack_end (GTK_BOX (GTK_FILE_SELECTION (fileload)->main_vbox), open_options, FALSE, FALSE, 0); } gtk_frame_set_label (GTK_FRAME (open_options_frame), _("Preview")); gtk_label_set_text (GTK_LABEL (open_options_label), _("No Selection.")); gtk_widget_show (GTK_WIDGET (open_options_genbuttonlabel)); gtk_widget_hide (GTK_WIDGET (open_options_preview)); gtk_widget_set_sensitive (GTK_WIDGET (open_options_frame), FALSE); gtk_widget_show (open_options); file_dialog_show (fileload); } void file_save_callback (GtkWidget *widget, gpointer data) { GDisplay *gdisplay; gdisplay = gdisplay_active (); if (! gdisplay) return; if (! gimage_active_drawable (gdisplay->gimage)) return; /* Only save if the gimage has been modified */ if (!trust_dirty_flag || gdisplay->gimage->dirty != 0) { if (gdisplay->gimage->has_filename == FALSE) { file_save_as_callback (widget, data); } else { gchar *filename; gchar *raw_filename; gint status; filename = g_strdup (gimage_filename (gdisplay->gimage)); raw_filename = g_basename (filename); status = file_save (gdisplay->gimage, filename, raw_filename, RUN_WITH_LAST_VALS); if (status != PDB_SUCCESS && status != PDB_CANCEL) { g_message (_("Save failed.\n%s"), filename); } g_free (filename); } } } void file_save_as_callback (GtkWidget *widget, gpointer data) { GDisplay *gdisplay; gdisplay = gdisplay_active (); if (! gdisplay) return; if (! gimage_active_drawable (gdisplay->gimage)) return; the_gimage = gdisplay->gimage; if (!filesave) { filesave = gtk_file_selection_new (_("Save Image")); gtk_window_set_wmclass (GTK_WINDOW (filesave), "save_image", "Gimp"); gtk_window_set_position (GTK_WINDOW (filesave), GTK_WIN_POS_MOUSE); gtk_container_set_border_width (GTK_CONTAINER (filesave), 2); gtk_container_set_border_width (GTK_CONTAINER (GTK_FILE_SELECTION (filesave)->button_area), 2); gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION (filesave)->cancel_button), "clicked", GTK_SIGNAL_FUNC (file_dialog_hide), GTK_OBJECT (filesave)); gtk_signal_connect (GTK_OBJECT (filesave), "delete_event", GTK_SIGNAL_FUNC (file_dialog_hide), NULL); gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION (filesave)->ok_button), "clicked", GTK_SIGNAL_FUNC (file_save_ok_callback), filesave); gtk_quit_add_destroy (1, GTK_OBJECT (filesave)); /* Connect the "F1" help key */ gimp_help_connect_help_accel (filesave, gimp_standard_help_func, "save/dialogs/file_save.html"); } else { gtk_widget_set_sensitive (GTK_WIDGET (filesave), TRUE); if (GTK_WIDGET_VISIBLE (filesave)) return; gtk_window_set_title (GTK_WINDOW (filesave), _("Save Image")); } gtk_file_selection_set_filename (GTK_FILE_SELECTION(filesave), gdisplay->gimage->has_filename ? gimage_filename(gdisplay->gimage) : "." G_DIR_SEPARATOR_S); if (!save_options) { GtkWidget *frame; GtkWidget *hbox; GtkWidget *label; GtkWidget *option_menu; GtkWidget *save_menu; save_options = gtk_hbox_new (TRUE, 1); frame = gtk_frame_new (_("Save Options")); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN); gtk_box_pack_start (GTK_BOX (save_options), frame, TRUE, TRUE, 4); hbox = gtk_hbox_new (FALSE, 4); gtk_container_set_border_width (GTK_CONTAINER (hbox), 4); gtk_container_add (GTK_CONTAINER (frame), hbox); gtk_widget_show (hbox); label = gtk_label_new (_("Determine File Type:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); option_menu = gtk_option_menu_new (); gtk_box_pack_start (GTK_BOX (hbox), option_menu, TRUE, TRUE, 0); gtk_widget_show (option_menu); menus_get_save_menu (&save_menu, NULL); gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu), save_menu); gtk_widget_show (frame); /* pack the containing save_options hbox into the save-dialog */ gtk_box_pack_end (GTK_BOX (GTK_FILE_SELECTION (filesave)->main_vbox), save_options, FALSE, FALSE, 0); } switch (drawable_type (gimage_active_drawable (gdisplay->gimage))) { case RGB_GIMAGE: file_update_menus (save_procs, PLUG_IN_RGB_IMAGE); break; case RGBA_GIMAGE: file_update_menus (save_procs, PLUG_IN_RGBA_IMAGE); break; case GRAY_GIMAGE: file_update_menus (save_procs, PLUG_IN_GRAY_IMAGE); break; case GRAYA_GIMAGE: file_update_menus (save_procs, PLUG_IN_GRAYA_IMAGE); break; case INDEXED_GIMAGE: file_update_menus (save_procs, PLUG_IN_INDEXED_IMAGE); break; case INDEXEDA_GIMAGE: file_update_menus (save_procs, PLUG_IN_INDEXEDA_IMAGE); break; } gtk_widget_show (save_options); file_dialog_show (filesave); } void file_revert_callback (GtkWidget *widget, gpointer data) { GDisplay *gdisplay; GimpImage *gimage; gchar *filename = NULL; gint status; gdisplay = gdisplay_active (); if (!gdisplay || !gdisplay->gimage) return; if (gdisplay->gimage->has_filename == FALSE) { g_message (_("Revert failed.\n" "No filename associated with this image.")); } else { filename = gimage_filename (gdisplay->gimage); gimage = file_open_image (filename, filename, _("Revert"), RUN_INTERACTIVE, &status); if (gimage != NULL) { undo_free (gimage); gdisplays_reconnect (gdisplay->gimage, gimage); gimp_image_clean_all (gimage); } else if (status != PDB_CANCEL) { g_message (_("Revert failed.\n%s"), filename); } } } void file_open_by_extension_callback (GtkWidget *widget, gpointer data) { load_file_proc = NULL; } void file_save_by_extension_callback (GtkWidget *widget, gpointer data) { save_file_proc = NULL; } static void file_update_name (PlugInProcDef *proc, GtkWidget *filesel) { if (proc->extensions_list) { gchar *text; gchar *last_dot; GString *s; text = gtk_entry_get_text (GTK_ENTRY (GTK_FILE_SELECTION (filesel)->selection_entry)); last_dot = strrchr (text, '.'); if (last_dot == text || !text[0]) return; s = g_string_new (text); if (last_dot) g_string_truncate (s, last_dot-text); g_string_append (s, "."); g_string_append (s, (gchar *) proc->extensions_list->data); gtk_entry_set_text (GTK_ENTRY (GTK_FILE_SELECTION (filesel)->selection_entry), s->str); g_string_free (s, TRUE); } } static void file_open_type_callback (GtkWidget *widget, gpointer data) { PlugInProcDef *proc = (PlugInProcDef *) data; file_update_name (proc, fileload); load_file_proc = proc; } static void file_save_type_callback (GtkWidget *widget, gpointer data) { PlugInProcDef *proc = (PlugInProcDef *) data; file_update_name (proc, filesave); save_file_proc = proc; } static GimpImage * file_open_image (gchar *filename, gchar *raw_filename, gchar *open_mode, RunModeType run_mode, gint *status) { PlugInProcDef *file_proc; ProcRecord *proc; Argument *args; Argument *return_vals; gint gimage_id; gint i; struct stat statbuf; *status = PDB_CANCEL; /* inhibits error messages by caller */ file_proc = load_file_proc; if (!file_proc) file_proc = file_proc_find (load_procs, filename); if (!file_proc) { /* no errors when making thumbnails */ if (run_mode == RUN_INTERACTIVE) g_message (_("%s failed.\n" "%s: Unknown file type."), open_mode, filename); return NULL; } /* check if we are opening a file */ if (stat (filename, &statbuf) == 0) { uid_t euid; gid_t egid; if (! (statbuf.st_mode & S_IFREG)) { /* no errors when making thumbnails */ if (run_mode == RUN_INTERACTIVE) g_message (_("%s failed.\n" "%s is not a regular file."), open_mode, filename); return NULL; } euid = geteuid (); egid = getegid (); if (! ((statbuf.st_mode & S_IRUSR) || ((statbuf.st_mode & S_IRGRP) && (statbuf.st_uid != euid)) || ((statbuf.st_mode & S_IROTH) && (statbuf.st_uid != euid) && (statbuf.st_gid != egid)))) { /* no errors when making thumbnails */ if (run_mode == RUN_INTERACTIVE) g_message (_("%s failed.\n" "%s: Permission denied."), open_mode, filename); return NULL; } } proc = &file_proc->db_info; args = g_new0 (Argument, proc->num_args); for (i = 0; i < proc->num_args; i++) args[i].arg_type = proc->args[i].arg_type; args[0].value.pdb_int = run_mode; args[1].value.pdb_pointer = filename; args[2].value.pdb_pointer = raw_filename; return_vals = procedural_db_execute (proc->name, args); *status = return_vals[0].value.pdb_int; gimage_id = return_vals[1].value.pdb_int; procedural_db_destroy_args (return_vals, proc->num_values); g_free (args); if (*status == PDB_SUCCESS && gimage_id != -1) { layer_invalidate_previews (gimage_get_ID (gimage_id)); channel_invalidate_previews (gimage_get_ID (gimage_id)); return pdb_id_to_image (gimage_id); } return NULL; } gint file_open (gchar *filename, gchar *raw_filename) { GimpImage *gimage; GDisplay *gdisplay; gchar *absolute; gint status; if ((gimage = file_open_image (filename, raw_filename, _("Open"), RUN_INTERACTIVE, &status)) != NULL) { /* enable & clear all undo steps */ gimage_enable_undo (gimage); /* set the image to clean */ gimage_clean_all (gimage); /* display the image */ gdisplay = gdisplay_new (gimage, 0x0101); /* always activate the first display */ if (g_slist_length (display_list) == 1) gimp_context_set_display (gimp_context_get_user (), gdisplay); absolute = file_absolute_filename (filename); document_index_add (absolute); menus_last_opened_add (absolute); g_free (absolute); } return status; } TempBuf * make_thumb_tempbuf (GimpImage *gimage) { gint w, h; if (gimage->width<=80 && gimage->height<=60) { w = gimage->width; h = gimage->height; } else { /* Ratio molesting to fit within .xvpic thumbnail size limits */ if (60 * gimage->width < 80 * gimage->height) { h = 60; w = (60 * gimage->width) / gimage->height; if (w == 0) w = 1; } else { w = 80; h = (80 * gimage->height) / gimage->width; if (h == 0) h = 1; } } /*printf("tn: %d x %d -> ", w, h);fflush(stdout);*/ return (gimp_image_composite_preview (gimage, GRAY_CHANNEL, w, h)); } static guchar * make_RGBbuf_from_tempbuf (TempBuf *tempbuf, gint *width_rtn, gint *height_rtn) { gint i, j, w, h; guchar *tbd; guchar *ptr; guchar *rtn = NULL; guchar alpha, r, g, b; w = (*width_rtn) = tempbuf->width; h = (*height_rtn) = tempbuf->height; tbd = temp_buf_data (tempbuf); switch (tempbuf->bytes) { case 4: rtn = ptr = g_malloc (3 * w * h); for (i=0; icomp_preview->width, * gimage->comp_preview->height); * } */ pathname = g_dirname (full_source_filename); filename = g_basename (full_source_filename); /* Don't free! */ xvpathname = g_strconcat (pathname, G_DIR_SEPARATOR_S, ".xvpics", NULL); thumbnailname = g_strconcat (xvpathname, G_DIR_SEPARATOR_S, filename, NULL); tbd = temp_buf_data (tempbuf); w = tempbuf->width; h = tempbuf->height; /*printf("tn: %d x %d\n", w, h);fflush(stdout);*/ mkdir (xvpathname, 0755); fp = fopen (thumbnailname, "wb"); g_free (pathname); g_free (xvpathname); g_free (thumbnailname); if (fp) { basetype = gimp_image_base_type(gimage); fprintf (fp, "P7 332\n#IMGINFO:%dx%d %s (%d %s)\n" "#END_OF_COMMENTS\n%d %d 255\n", gimage->width, gimage->height, (basetype == RGB) ? "RGB" : (basetype == GRAY) ? "Greyscale" : (basetype == INDEXED) ? "Indexed" : "(UNKNOWN COLOUR TYPE)", (int)statbuf.st_size, (statbuf.st_size == 1) ? "byte" : "bytes", w, h); switch (basetype) { case INDEXED: case RGB: for (i=0; i>5)<<5) | ((g>>5)<<2) | (b>>6), fp); rerr = r - ( (r>>5) * 255 ) / 7; gerr = g - ( (g>>5) * 255 ) / 7; berr = b - ( (b>>6) * 255 ) / 3; } } break; case GRAY: for (i=0; i>5)<<5) | ((b3>>5)<<2) | (b2>>6), fp); b2err = b2 - ( (b2>>6) * 255 ) / 3; b3err = b3 - ( (b3>>5) * 255 ) / 7; } } break; default: g_warning("UNKNOWN GIMAGE TYPE IN THUMBNAIL SAVE"); } fclose(fp); } else /* Error writing thumbnail */ { return FALSE; } return TRUE; } static gint file_save (GimpImage *gimage, gchar *filename, gchar *raw_filename, RunModeType run_mode) { PlugInProcDef *file_proc; ProcRecord *proc; Argument *args; Argument *return_vals; gint status; gint i; struct stat statbuf; if (gimage_active_drawable (gimage) == NULL) return FALSE; file_proc = gimage_get_save_proc (gimage); if (!file_proc) file_proc = file_proc_find (save_procs, raw_filename); if (!file_proc) { g_message (_("Save failed.\n" "%s: Unknown file type."), filename); return PDB_CANCEL; /* inhibits error messages by caller */ } /* check if we are saving to a file */ if (stat (filename, &statbuf) == 0) { uid_t euid; gid_t egid; if (! (statbuf.st_mode & S_IFREG)) { g_message (_("Save failed.\n" "%s is not a regular file."), filename); return PDB_CANCEL; /* inhibits error messages by caller */ } euid = geteuid (); egid = getegid (); if (! ((statbuf.st_mode & S_IWUSR) || ((statbuf.st_mode & S_IWGRP) && (statbuf.st_uid != euid)) || ((statbuf.st_mode & S_IWOTH) && (statbuf.st_uid != euid) && (statbuf.st_gid != egid)))) { g_message (_("Save failed.\n" "%s: Permission denied."), filename); return PDB_CANCEL; /* inhibits error messages by caller */ } } /* ref the image, so it can't get deleted during save */ gtk_object_ref (GTK_OBJECT (gimage)); proc = &file_proc->db_info; args = g_new0 (Argument, proc->num_args); for (i = 0; i < proc->num_args; i++) args[i].arg_type = proc->args[i].arg_type; args[0].value.pdb_int = run_mode; args[1].value.pdb_int = pdb_image_to_id (gimage); args[2].value.pdb_int = drawable_ID (gimage_active_drawable (gimage)); args[3].value.pdb_pointer = filename; args[4].value.pdb_pointer = raw_filename; return_vals = procedural_db_execute (proc->name, args); status = return_vals[0].value.pdb_int; if (status == PDB_SUCCESS) { /* set this image to clean */ gimage_clean_all (gimage); /* these calls must come before the call to gimage_set_filename */ document_index_add (filename); menus_last_opened_add (filename); /* use the same plug-in for this image next time */ /* DISABLED - gets stuck on first saved format... needs attention --Adam */ /* gimage_set_save_proc(gimage, file_proc); */ /* Write a thumbnail for the saved image, where appropriate */ switch (thumbnail_mode) { case 0: break; default: { TempBuf *tempbuf; tempbuf = make_thumb_tempbuf (gimage); file_save_thumbnail (gimage, filename, tempbuf); } } /* set the image title */ gimp_image_set_filename (gimage, filename); /* note: 'filename' may have been free'd by above call! */ } g_free (return_vals); g_free (args); gtk_object_unref (GTK_OBJECT (gimage)); return status; } /* The readXVThumb function source may be re-used under the XFree86-style license. */ guchar * readXVThumb (const gchar *fnam, gint *w, gint *h, gchar **imginfo /* caller frees if != NULL */) { FILE *fp; const gchar *P7_332 = "P7 332"; gchar P7_buf[7]; gchar linebuf[200]; guchar *buf; gint twofivefive; void *ptr; *w = *h = 0; *imginfo = NULL; fp = fopen (fnam, "rb"); if (!fp) return NULL; fread (P7_buf, 6, 1, fp); if (strncmp(P7_buf, P7_332, 6)!=0) { g_warning ("Thumbnail doesn't have the 'P7 332' header."); fclose (fp); return NULL; } /*newline*/ fread (P7_buf, 1, 1, fp); do { ptr = fgets(linebuf, 199, fp); if ((strncmp(linebuf, "#IMGINFO:", 9) == 0) && (linebuf[9] != '\0') && (linebuf[9] != '\n')) { if (linebuf[strlen(linebuf)-1] == '\n') linebuf[strlen(linebuf)-1] = '\0'; if (linebuf[9] != '\0') { if (*imginfo) g_free(*imginfo); *imginfo = g_strdup (&linebuf[9]); } } } while (ptr && linebuf[0]=='#'); /* keep throwing away comment lines */ if (!ptr) { /* g_warning("Thumbnail ended - not an image?"); */ fclose (fp); return NULL; } sscanf(linebuf, "%d %d %d\n", w, h, &twofivefive); if (twofivefive!=255) { g_warning ("Thumbnail is of funky depth."); fclose (fp); return NULL; } if ((*w)<1 || (*h)<1 || (*w)>80 || (*h)>60) { g_warning ("Thumbnail size bad. Corrupted?"); fclose (fp); return NULL; } buf = g_malloc ((*w) * (*h)); fread (buf, (*w) * (*h), 1, fp); fclose (fp); return buf; } /* don't call with preview_fullname as parameter! will be clobbered! */ static void set_preview (const gchar *fullfname, guchar *RGB_source, gint RGB_w, gint RGB_h) { guchar *thumb_rgb; guchar *raw_thumb; gint tnw,tnh, i; gchar *pname; gchar *fname; gchar *tname; gchar *imginfo = NULL; struct stat file_stat; struct stat thumb_stat; gboolean thumb_may_be_outdated = FALSE; gboolean show_generate_label = TRUE; pname = g_dirname (fullfname); fname = g_basename (fullfname); /* Don't free this! */ tname = g_strconcat (pname, G_DIR_SEPARATOR_S, ".xvpics", G_DIR_SEPARATOR_S, fname, NULL); g_free (pname); /* If the file is newer than its thumbnail, the thumbnail may * be out of date. */ if ((stat (tname, &thumb_stat) == 0) && (stat (fullfname, &file_stat ) == 0)) { if ((thumb_stat.st_mtime) < (file_stat.st_mtime)) { thumb_may_be_outdated = TRUE; } } raw_thumb = readXVThumb (tname, &tnw, &tnh, &imginfo); g_free (tname); gtk_frame_set_label (GTK_FRAME (open_options_frame), fname); if (preview_fullname) { g_free (preview_fullname); } preview_fullname = g_strdup (fullfname); if (RGB_source) { gtk_preview_size (open_options_preview, RGB_w, RGB_h); for (i = 0; i < RGB_h; i++) { gtk_preview_draw_row (open_options_preview, &RGB_source[3*i*RGB_w], 0, i, RGB_w); } } else { if (raw_thumb) { thumb_rgb = g_malloc (3 * tnw * tnh); for (i = 0; i < tnw * tnh; i++) { thumb_rgb[i*3 ] = ((raw_thumb[i]>>5)*255)/7; thumb_rgb[i*3+1] = (((raw_thumb[i]>>2)&7)*255)/7; thumb_rgb[i*3+2] = (((raw_thumb[i])&3)*255)/3; } gtk_preview_size (open_options_preview, tnw, tnh); for (i = 0; i < tnh; i++) { gtk_preview_draw_row (open_options_preview, &thumb_rgb[3*i*tnw], 0, i, tnw); } g_free (thumb_rgb); } } if (raw_thumb || RGB_source) /* We can show *some* kind of preview. */ { if (raw_thumb) /* Managed to commit thumbnail file to disk */ { gtk_label_set_text (GTK_LABEL (open_options_label), thumb_may_be_outdated ? _("(This thumbnail may be out of date)") : (imginfo ? imginfo : _("(No Information)"))); if (imginfo) g_free (imginfo); } else { switch (thumbnail_mode) { case 0: gtk_label_set_text (GTK_LABEL(open_options_label), _("(Thumbnail saving is disabled)")); break; case 1: gtk_label_set_text (GTK_LABEL(open_options_label), _("(Could not write thumbnail file)")); break; default: gtk_label_set_text (GTK_LABEL(open_options_label), _("(Thumbnail file not written)")); } } gtk_widget_show (GTK_WIDGET (open_options_preview)); gtk_widget_queue_draw (GTK_WIDGET(open_options_preview)); show_generate_label = FALSE; g_free (raw_thumb); } else { if (imginfo) g_free (imginfo); gtk_widget_hide (GTK_WIDGET (open_options_preview)); gtk_label_set_text (GTK_LABEL (open_options_label), _("No preview available")); } if (show_generate_label) { gtk_widget_hide (GTK_WIDGET (open_options_preview)); gtk_widget_show (GTK_WIDGET (open_options_genbuttonlabel)); } else { gtk_widget_hide (GTK_WIDGET (open_options_genbuttonlabel)); gtk_widget_show (GTK_WIDGET (open_options_preview)); } } static void file_open_clistrow_callback (GtkWidget *widget, gint row) { gchar *fullfname = NULL; fullfname = gtk_file_selection_get_filename (GTK_FILE_SELECTION (fileload)); gtk_widget_set_sensitive (GTK_WIDGET (open_options_frame), TRUE); set_preview (fullfname, NULL, 0, 0); } static void file_open_genbutton_callback (GtkWidget *widget, gpointer data) { GimpImage *gimage_to_be_thumbed; gchar *filename; guchar *RGBbuf; TempBuf *tempbuf; gint RGBbuf_w; gint RGBbuf_h; /* added for multi-file preview generation... */ GtkFileSelection *fs; gchar *mfilename = NULL; gchar *filedirname; struct stat buf; gint err; fs = GTK_FILE_SELECTION (data); if (!preview_fullname) { g_warning ("Tried to generate thumbnail for NULL filename."); return; } filename = g_strdup (preview_fullname); gimp_add_busy_cursors (); gtk_widget_set_sensitive (GTK_WIDGET (fileload), FALSE); /* new mult-file preview make: */ { GList *row = GTK_CLIST (fs->file_list)->row_list; gint rownum = 0; gchar *temp; filedirname = g_dirname (filename); while (row) { if (GTK_CLIST_ROW (row)->state == GTK_STATE_SELECTED) { if (gtk_clist_get_cell_type (GTK_CLIST (fs->file_list), rownum, 0) == GTK_CELL_TEXT) { gtk_clist_get_text (GTK_CLIST (fs->file_list), rownum, 0, &temp); mfilename = g_strdup (temp); err = stat (mfilename, &buf); if (! (err == 0 && (buf.st_mode & S_IFDIR))) { /* Is not directory. */ gint dummy; if (err) { g_free (mfilename); mfilename = g_strconcat (filedirname, G_DIR_SEPARATOR_S, temp, NULL); } gimage_to_be_thumbed = file_open_image (mfilename, temp, NULL, RUN_NONINTERACTIVE, &dummy); if (gimage_to_be_thumbed) { tempbuf = make_thumb_tempbuf (gimage_to_be_thumbed); RGBbuf = make_RGBbuf_from_tempbuf (tempbuf, &RGBbuf_w, &RGBbuf_h); switch (thumbnail_mode) { case 0: break; default: file_save_thumbnail (gimage_to_be_thumbed, mfilename, tempbuf); } set_preview (mfilename, RGBbuf, RGBbuf_w, RGBbuf_h); gimage_delete (gimage_to_be_thumbed); if (RGBbuf) g_free (RGBbuf); } else { gtk_label_set_text (GTK_LABEL (open_options_label), _("(could not make preview)")); } } } } if (mfilename) { g_free (mfilename); mfilename = NULL; } rownum++; row = g_list_next (row); } } gtk_widget_set_sensitive (GTK_WIDGET (fileload), TRUE); gimp_remove_busy_cursors (NULL); if (filedirname) g_free (filedirname); g_free (filename); } static void file_open_ok_callback (GtkWidget *widget, gpointer data) { GtkFileSelection *fs; gchar *filename; gchar *raw_filename; gchar *mfilename = NULL; gchar *filedirname; struct stat buf; gint err; gint status; fs = GTK_FILE_SELECTION (data); filename = gtk_file_selection_get_filename (fs); raw_filename = gtk_entry_get_text (GTK_ENTRY(fs->selection_entry)); g_assert (filename && raw_filename); if (strlen (raw_filename) == 0) return; err = stat (filename, &buf); if (err == 0 && (buf.st_mode & S_IFDIR)) { GString *s = g_string_new (filename); if (s->str[s->len - 1] != G_DIR_SEPARATOR) { g_string_append_c (s, G_DIR_SEPARATOR); } gtk_file_selection_set_filename (fs, s->str); g_string_free (s, TRUE); return; } gtk_widget_set_sensitive (GTK_WIDGET (fs), FALSE); if (err) filename = raw_filename; status = file_open (filename, raw_filename); if (status == PDB_SUCCESS) { file_dialog_hide (data); } else if (status != PDB_CANCEL) { g_message (_("Open failed.\n%s"), filename); } gtk_widget_set_sensitive (GTK_WIDGET (fs), TRUE); /* * Now deal with multiple selections from the filesel clist */ /* * FIXME: cope with cwd != fileselcwd != dirname(filename) */ /* { HistoryCallbackArg *callback_arg; GList *row = fs->history_list; while (row) { callback_arg = row->data; printf ("(%s)\n", callback_arg->directory ); row = g_list_next (row); } }*/ /* filedirname = fs->history_list->data;*/ filedirname = g_dirname (filename); { GList *row = GTK_CLIST (fs->file_list)->row_list; gint rownum = 0; gchar *temp; while (row) { if (GTK_CLIST_ROW (row)->state == GTK_STATE_SELECTED) { if (gtk_clist_get_cell_type (GTK_CLIST (fs->file_list), rownum, 0) == GTK_CELL_TEXT) { gtk_clist_get_text (GTK_CLIST (fs->file_list), rownum, 0, &temp); /* When doing multiple selections, the name * of the first item touched with the cursor will * become the text-field default - and we don't * want to load that twice. */ if (strcmp (temp, raw_filename) == 0) { goto next_iter; } mfilename = g_strdup (temp); err = stat (mfilename, &buf); if (! (err == 0 && (buf.st_mode & S_IFDIR))) { /* Is not directory. */ if (err) { g_free (mfilename); mfilename = g_strconcat (filedirname, G_DIR_SEPARATOR_S, temp, NULL); } status = file_open (mfilename, temp); if (status == PDB_SUCCESS) { file_dialog_hide (data); } else if (status != PDB_CANCEL) { g_message (_("Open failed.\n%s"), mfilename); } gtk_widget_set_sensitive (GTK_WIDGET (fs), TRUE); } } } next_iter: if (mfilename) { g_free (mfilename); mfilename = NULL; } rownum++; row = g_list_next (row); } } if (filedirname) g_free (filedirname); } static void file_save_ok_callback (GtkWidget *widget, gpointer data) { GtkFileSelection *fs; gchar *filename; gchar *raw_filename; struct stat buf; gint err; fs = GTK_FILE_SELECTION (data); filename = gtk_file_selection_get_filename (fs); raw_filename = gtk_entry_get_text (GTK_ENTRY(fs->selection_entry)); g_assert (filename && raw_filename); err = stat (filename, &buf); if (err == 0) { if (buf.st_mode & S_IFDIR) { GString *s = g_string_new (filename); g_string_append_c (s, G_DIR_SEPARATOR); gtk_file_selection_set_filename (fs, s->str); g_string_free (s, TRUE); } else { gtk_widget_set_sensitive (GTK_WIDGET (fs), FALSE); file_overwrite (g_strdup (filename), g_strdup (raw_filename)); } } else { gint status; gtk_widget_set_sensitive (GTK_WIDGET (fs), FALSE); gimage_set_save_proc (the_gimage, save_file_proc); status = file_save (the_gimage, filename, raw_filename, RUN_INTERACTIVE); if (status == PDB_SUCCESS) { file_dialog_hide (data); } else if (status != PDB_CANCEL) { g_message (_("Save failed.\n%s"), filename); } gtk_widget_set_sensitive (GTK_WIDGET (fs), TRUE); } } static void file_dialog_show (GtkWidget *filesel) { menus_set_sensitive ("/File/Open...", FALSE); menus_set_sensitive ("/File/Open...", FALSE); menus_set_sensitive ("/File/Save", FALSE); menus_set_sensitive ("/File/Save As...", FALSE); gtk_widget_grab_focus (GTK_FILE_SELECTION (filesel)->selection_entry); gtk_widget_show (filesel); } static int file_dialog_hide (GtkWidget *filesel) { gimp_dialog_hide (filesel); menus_set_sensitive ("/File/Open...", TRUE); menus_set_sensitive ("/File/Open...", TRUE); if (gdisplay_active ()) { menus_set_sensitive ("/File/Save", TRUE); menus_set_sensitive ("/File/Save As...", TRUE); } return TRUE; } static void file_overwrite (gchar *filename, gchar *raw_filename) { OverwriteData *overwrite_data; GtkWidget *query_box; gchar *overwrite_text; overwrite_data = g_new (OverwriteData, 1); overwrite_data->full_filename = filename; overwrite_data->raw_filename = raw_filename; overwrite_text = g_strdup_printf (_("%s exists, overwrite?"), filename); query_box = gimp_query_boolean_box (_("File Exists!"), gimp_standard_help_func, "save/file_exists.html", FALSE, overwrite_text, _("Yes"), _("No"), NULL, NULL, file_overwrite_callback, overwrite_data); g_free (overwrite_text); gtk_widget_show (query_box); } static void file_overwrite_callback (GtkWidget *widget, gboolean overwrite, gpointer data) { OverwriteData *overwrite_data; GImage *gimage; gint status = PDB_EXECUTION_ERROR; overwrite_data = (OverwriteData *) data; if (overwrite) { if ((gimage = the_gimage) != NULL) { status = file_save (the_gimage, overwrite_data->full_filename, overwrite_data->raw_filename, RUN_INTERACTIVE); if (status == PDB_SUCCESS) { the_gimage = NULL; file_dialog_hide (filesave); } } if (status != PDB_SUCCESS && status != PDB_CANCEL) { g_message (_("Save failed.\n%s"), overwrite_data->full_filename); } } gtk_widget_set_sensitive (GTK_WIDGET (filesave), TRUE); g_free (overwrite_data->full_filename); g_free (overwrite_data->raw_filename); g_free (overwrite_data); } static PlugInProcDef * file_proc_find_by_name (GSList *procs, gchar *filename, gboolean skip_magic) { GSList *p; gchar *ext = strrchr (filename, '.'); if (ext) ext++; for (p = procs; p; p = g_slist_next (p)) { PlugInProcDef *proc = p->data; GSList *prefixes; if (skip_magic && proc->magics_list) continue; for (prefixes = proc->prefixes_list; prefixes; prefixes = g_slist_next (prefixes)) { if (strncmp (filename, prefixes->data, strlen (prefixes->data)) == 0) return proc; } } for (p = procs; p; p = g_slist_next (p)) { PlugInProcDef *proc = p->data; GSList *extensions; for (extensions = proc->extensions_list; ext && extensions; extensions = g_slist_next (extensions)) { gchar *p1 = ext; gchar *p2 = (gchar *) extensions->data; if (skip_magic && proc->magics_list) continue; while (*p1 && *p2) { if (tolower (*p1) != tolower (*p2)) break; p1++; p2++; } if (!(*p1) && !(*p2)) return proc; } } return NULL; } PlugInProcDef * file_proc_find (GSList *procs, gchar *filename) { PlugInProcDef *file_proc; PlugInProcDef *size_matched_proc; GSList *all_procs = procs; FILE *ifp = NULL; gint head_size = -2; gint size_match_count = 0; gint match_val; guchar head[256]; size_matched_proc = NULL; /* First, check magicless prefixes/suffixes */ if ( (file_proc = file_proc_find_by_name (all_procs, filename, TRUE)) != NULL) return file_proc; /* Then look for magics */ while (procs) { file_proc = procs->data; procs = procs->next; if (file_proc->magics_list) { if (head_size == -2) { head_size = 0; if ((ifp = fopen (filename, "rb")) != NULL) head_size = fread ((gchar *) head, 1, sizeof (head), ifp); } if (head_size >= 4) { match_val = file_check_magic_list (file_proc->magics_list, head_size, head, ifp); if (match_val == 2) /* size match ? */ { /* Use it only if no other magic matches */ size_match_count++; size_matched_proc = file_proc; } else if (match_val) { fclose (ifp); return (file_proc); } } } } if (ifp) fclose (ifp); if (size_match_count == 1) return (size_matched_proc); /* As a last ditch, try matching by name */ return file_proc_find_by_name (all_procs, filename, FALSE); } static void file_convert_string (gchar *instr, gchar *outmem, gint maxmem, gint *nmem) { /* Convert a string in C-notation to array of char */ guchar *uin = (guchar *) instr; guchar *uout = (guchar *) outmem; guchar tmp[5], *tmpptr; gint k; while ((*uin != '\0') && ((((char *)uout) - outmem) < maxmem)) { if (*uin != '\\') /* Not an escaped character ? */ { *(uout++) = *(uin++); continue; } if (*(++uin) == '\0') { *(uout++) = '\\'; break; } switch (*uin) { case '0': case '1': case '2': case '3': /* octal */ for (tmpptr = tmp; (tmpptr-tmp) <= 3;) { *(tmpptr++) = *(uin++); if ( (*uin == '\0') || (!isdigit (*uin)) || (*uin == '8') || (*uin == '9')) break; } *tmpptr = '\0'; sscanf ((char *)tmp, "%o", &k); *(uout++) = k; break; case 'a': *(uout++) = '\a'; uin++; break; case 'b': *(uout++) = '\b'; uin++; break; case 't': *(uout++) = '\t'; uin++; break; case 'n': *(uout++) = '\n'; uin++; break; case 'v': *(uout++) = '\v'; uin++; break; case 'f': *(uout++) = '\f'; uin++; break; case 'r': *(uout++) = '\r'; uin++; break; default : *(uout++) = *(uin++); break; } } *nmem = ((gchar *) uout) - outmem; } static gchar * file_absolute_filename (gchar *name) { PlugInProcDef *proc; GSList *procs; GSList *prefixes; gchar *absolute; gchar *current; g_return_val_if_fail (name != NULL, NULL); /* check for prefixes like http or ftp */ for (procs = load_procs; procs; procs = g_slist_next (procs)) { proc = (PlugInProcDef *)procs->data; for (prefixes = proc->prefixes_list; prefixes; prefixes = g_slist_next (prefixes)) { if (strncmp (name, prefixes->data, strlen (prefixes->data)) == 0) return g_strdup (name); } } if (g_path_is_absolute (name)) return g_strdup (name); current = g_get_current_dir (); absolute = g_strconcat (current, G_DIR_SEPARATOR_S, name, NULL); g_free (current); return absolute; } static gint file_check_single_magic (gchar *offset, gchar *type, gchar *value, gint headsize, guchar *file_head, FILE *ifp) { /* Return values are 0: no match, 1: magic match, 2: size match */ glong offs; gulong num_testval, num_operatorval; gulong fileval; gint numbytes, k, c = 0, found = 0; gchar *num_operator_ptr, num_operator, num_test; guchar mem_testval[256]; /* Check offset */ if (sscanf (offset, "%ld", &offs) != 1) return (0); if (offs < 0) return (0); /* Check type of test */ num_operator_ptr = NULL; num_operator = '\0'; num_test = '='; if (strncmp (type, "byte", 4) == 0) { numbytes = 1; num_operator_ptr = type+4; } else if (strncmp (type, "short", 5) == 0) { numbytes = 2; num_operator_ptr = type+5; } else if (strncmp (type, "long", 4) == 0) { numbytes = 4; num_operator_ptr = type+4; } else if (strncmp (type, "size", 4) == 0) { numbytes = 5; } else if (strcmp (type, "string") == 0) { numbytes = 0; } else return (0); /* Check numerical operator value if present */ if (num_operator_ptr && (*num_operator_ptr == '&')) { if (isdigit (num_operator_ptr[1])) { if (num_operator_ptr[1] != '0') /* decimal */ sscanf (num_operator_ptr+1, "%ld", &num_operatorval); else if (num_operator_ptr[2] == 'x') /* hexadecimal */ sscanf (num_operator_ptr+3, "%lx", &num_operatorval); else /* octal */ sscanf (num_operator_ptr+2, "%lo", &num_operatorval); num_operator = *num_operator_ptr; } } if (numbytes > 0) /* Numerical test ? */ { /* Check test value */ if ((value[0] == '=') || (value[0] == '>') || (value[0] == '<')) { num_test = value[0]; value++; } if (!isdigit (value[0])) return (0); /* * to anybody reading this: is strtol's parsing behaviour (e.g. "0x" prefix) * broken on some systems or why do we do the base detection ourselves? * */ if (value[0] != '0') /* decimal */ num_testval = strtol(value, NULL, 10); else if (value[1] == 'x') /* hexadecimal */ num_testval = (unsigned long)strtoul(value+2, NULL, 16); else /* octal */ num_testval = strtol(value+1, NULL, 8); fileval = 0; if (numbytes == 5) /* Check for file size ? */ { struct stat buf; if (fstat (fileno (ifp), &buf) < 0) return (0); fileval = buf.st_size; } else if (offs + numbytes <= headsize) /* We have it in memory ? */ { for (k = 0; k < numbytes; k++) fileval = (fileval << 8) | (long)file_head[offs+k]; } else /* Read it from file */ { if (fseek (ifp, offs, SEEK_SET) < 0) return (0); for (k = 0; k < numbytes; k++) fileval = (fileval << 8) | (c = getc (ifp)); if (c == EOF) return (0); } if (num_operator == '&') fileval &= num_operatorval; if (num_test == '<') found = (fileval < num_testval); else if (num_test == '>') found = (fileval > num_testval); else found = (fileval == num_testval); if (found && (numbytes == 5)) found = 2; } else if (numbytes == 0) /* String test */ { file_convert_string ((char *)value, (char *)mem_testval, sizeof (mem_testval), &numbytes); if (numbytes <= 0) return (0); if (offs + numbytes <= headsize) /* We have it in memory ? */ { found = (memcmp (mem_testval, file_head+offs, numbytes) == 0); } else /* Read it from file */ { if (fseek (ifp, offs, SEEK_SET) < 0) return (0); found = 1; for (k = 0; found && (k < numbytes); k++) { c = getc (ifp); found = (c != EOF) && (c == (int)mem_testval[k]); } } } return (found); } static int file_check_magic_list (GSList *magics_list, gint headsize, guchar *head, FILE *ifp) { /* Return values are 0: no match, 1: magic match, 2: size match */ gchar *offset, *type, *value; gint and = 0; gint found = 0, match_val; while (magics_list) { if ((offset = (char *)magics_list->data) == NULL) break; if ((magics_list = magics_list->next) == NULL) break; if ((type = (char *)magics_list->data) == NULL) break; if ((magics_list = magics_list->next) == NULL) break; if ((value = (char *)magics_list->data) == NULL) break; magics_list = magics_list->next; match_val = file_check_single_magic (offset, type, value, headsize, head, ifp); if (and) found = found && match_val; else found = match_val; and = (strchr (offset, '&') != NULL); if ((!and) && found) return (match_val); } return (0); } static void file_update_menus (GSList *procs, gint image_type) { PlugInProcDef *file_proc; while (procs) { file_proc = procs->data; procs = procs->next; if (file_proc->db_info.proc_type != PDB_EXTENSION) menus_set_sensitive (file_proc->menu_path, (file_proc->image_types_val & image_type)); } }