Imported Upstream version 0.84upstream/0.84

1 files changed, 867 insertions, 0 deletions

diff --git a/src/xsane.h b/src/xsane.h
new file mode 100644
index 0000000..579bb0c
--- /dev/null
+++ b/src/xsane.h
@@ -0,0 +1,867 @@
+/* xsane -- a graphical (X11, gtk) scanner-oriented SANE frontend
+
+   xsane.h
+
+   Oliver Rauch <Oliver.Rauch@rauch-domain.de>
+   Copyright (C) 1998-2002 Oliver Rauch
+   This file is part of the XSANE package.
+
+   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., 675 Mass Ave, Cambridge, MA 02139, USA.  */ 
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#ifndef XSANE_H
+#define XSANE_H
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+/* #define XSANE_TEST */
+/* #define SUPPORT_RGBA */
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#define XSANE_VERSION		"0.84"
+#define XSANE_AUTHOR		"Oliver Rauch"
+#define XSANE_COPYRIGHT		"Oliver Rauch"
+#define XSANE_DATE		"1998-2002"
+#define XSANE_EMAIL		"Oliver.Rauch@xsane.org"
+#define XSANE_HOMEPAGE		"http://www.xsane.org"
+#define XSANE_COPYRIGHT_TXT	XSANE_DATE " " XSANE_COPYRIGHT
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#define XSANE_DEBUG_ENVIRONMENT "XSANE_DEBUG"
+
+#define XSANE_DEFAULT_UMASK 0007
+#define XSANE_HOLD_TIME 200
+#define XSANE_CONTINUOUS_HOLD_TIME 10
+#define XSANE_DEFAULT_DEVICE "SANE_DEFAULT_DEVICE"
+
+#ifndef SLASH
+# define SLASH '/'
+#endif 
+
+#ifndef XSANE_FIXED_HOME_PATH
+# define XSANE_FIXED_HOME_PATH /tmp
+#endif
+
+#ifndef ENVIRONMENT_HOME_DIR_NAME
+# define ENVIRONMENT_HOME_DIR_NAME HOME
+#endif
+
+#ifndef ENVIRONMENT_TEMP_DIR_NAME
+# define ENVIRONMENT_TEMP_DIR_NAME TMP
+#endif
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+/* needed for most of the xsane sources: */
+
+#ifdef _AIX
+# include <lalloca.h>
+#endif
+
+#ifdef __hpux
+# include <alloca.h>
+#endif
+
+#include <assert.h>
+#include <errno.h>
+#include <memory.h>
+#include <pwd.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <getopt.h>
+#include <time.h>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <locale.h>
+
+#include <sane/sane.h>
+#include <sane/saneopts.h>
+
+#include "../include/config.h"
+#include "../include/sanei_signal.h"
+
+#include "xsane-text.h"
+#include "xsane-fixedtext.h"
+#include "xsane-icons.h"
+#include "xsane-viewer.h"
+
+#include <gdk/gdkkeysyms.h>
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+
+#ifdef ENABLE_NLS
+#    include <libintl.h>
+#    define _(String) gettext (String)
+#    ifdef gettext_noop
+#        define N_(String) gettext_noop (String)
+#    else
+#        define N_(String) (String)
+#    endif
+#else
+/* Stubs that do something close enough.  */
+#    define textdomain(String) (String)
+#    define gettext(String) (String)
+#    define dgettext(Domain,Message) (Message)
+#    define dcgettext(Domain,Message,Type) (Message)
+#    define bindtextdomain(Domain,Directory) (Domain)
+#    define _(String) (String)
+#    define N_(String) (String)
+#endif
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_LIBPNG
+#ifdef HAVE_LIBZ
+# define XSANE_ACTIVATE_MAIL
+#endif
+#endif
+
+#ifdef _WIN32
+# define BUGGY_GTK_TOOLTIPS_SET_COLORS
+#endif
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+enum
+{
+  XSANE_PATH_LOCAL_SANE = 0,
+  XSANE_PATH_SYSTEM,
+  XSANE_PATH_TMP
+};
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct
+{
+  char *name;
+  float xoffset;
+  float yoffset;
+  float width;
+  float height;
+} pref_default_preset_area_t;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+typedef struct
+  {
+    /* The option number of the well-known options.  Each of these may
+       be -1 in case the backend doesn't define the respective option.  */
+    int scanmode;
+    int scansource;
+    int preview;
+    int dpi;
+    int dpi_x;
+    int dpi_y;
+    int coord[4];
+    int gamma_vector;
+    int gamma_vector_r;
+    int gamma_vector_g;
+    int gamma_vector_b;
+    int bit_depth;
+    int threshold;
+    int highlight;
+    int highlight_r;
+    int highlight_g;
+    int highlight_b;
+    int shadow;
+    int shadow_r;
+    int shadow_g;
+    int shadow_b;
+  }
+GSGWellKnownOptions;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct
+  {
+    gchar *label;
+    struct GSGDialogElement *elem;
+    gint index;
+  }
+GSGMenuItem;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct GSGDialogElement
+  {
+    GtkWidget *automatic;	/* auto button for options that support this */
+    GtkWidget *widget;
+    GtkObject *data;
+    int menu_size;		/* # of items in menu (if any) */
+    GSGMenuItem *menu;
+  }
+GSGDialogElement;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct Image_info
+  {
+    int image_width;
+    int image_height;
+
+    int depth;
+    int colors;
+
+    double resolution_x;
+    double resolution_y;
+
+    double gamma;
+    double gamma_red;
+    double gamma_green;
+    double gamma_blue;
+
+    double brightness;
+    double brightness_red;
+    double brightness_green;
+    double brightness_blue;
+
+    double contrast;
+    double contrast_red;
+    double contrast_green;
+    double contrast_blue;
+
+    double threshold;
+  }
+Image_info;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+#include "xsane-preferences.h"
+#include "xsane-preview.h"
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_LIBGIMP_GIMP_H
+# include <libgimp/gimp.h>
+
+# ifdef HAVE_LIBGIMP_GIMPFEATURES_H
+#  include <libgimp/gimpfeatures.h>
+# else
+#  define GIMP_CHECK_VERSION(major, minor, micro) 0
+# endif /* HAVE_LIBGIMP_GIMPFEATURES_H */
+
+# ifdef GIMP_CHECK_VERSION
+#  if GIMP_CHECK_VERSION(1,1,25)
+/* ok, we have the new gimp interface */
+#  else
+/* we have the old gimp interface and need the compatibility header file */
+#   include "xsane-gimp-1_0-compat.h" 
+#  endif
+# else
+/* we have the old gimp interface and need the compatibility header file */
+#  include "xsane-gimp-1_0-compat.h" 
+# endif
+
+  extern GimpPlugInInfo PLUG_IN_INFO; /* needed for win32 */
+
+#endif /* HAVE_LIBGIMP_GIMP_H */
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+enum { XSANE_VIEWER, XSANE_SAVE, XSANE_COPY, XSANE_FAX, XSANE_MAIL };
+enum { XSANE_LINEART_STANDARD, XSANE_LINEART_XSANE, XSANE_LINEART_GRAYSCALE };
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+extern void xsane_pref_save(void);
+extern void xsane_interface(int argc, char **argv);
+extern void xsane_fax_project_save(void);
+extern void xsane_mail_project_save(void);
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#ifndef PATH_MAX
+# define PATH_MAX	1024
+#endif
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+#ifndef TEMP_PATH
+# define TEMP_PATH		/tmp/
+#endif
+
+#define OUT_FILENAME     	"out.pnm"
+#define PRINTERNAME	  	"new printer"
+#define PRINTERCOMMAND  	"lpr"
+#define PRINTERCOPYNUMBEROPTION "-#"
+#define FAXPROJECT 	    	"faxproject"
+#define FAXCOMMAND 	 	"sendfax"
+#define FAXRECEIVEROPT		"-d"
+#define FAXPOSTSCRIPTOPT	""
+#define FAXNORMALOPT		"-l"
+#define FAXFINEOPT		"-m"
+#define FAXVIEWER 	 	"gv"
+#define MAILPROJECT 	    	"mailproject"
+#define MAILCOMMAND 	 	"sendmail"
+#define MAILVIEWER 	 	"xv"
+#define OCRCOMMAND 	 	"gocr"
+#define OCRINPUTFILEOPT	 	"-i"
+#define OCROUTPUTFILEOPT	"-o"
+#define DOCVIEWER_NETSCAPE	"netscape"
+#define DOCVIEWER 	 	DOCVIEWER_NETSCAPE
+
+#define XSANE_MEDIUM_CALIB_BRIGHTNESS_MIN	-1000.0
+#define XSANE_MEDIUM_CALIB_BRIGHTNESS_MAX	 1000.0
+#define XSANE_MEDIUM_CALIB_CONTRAST_MIN	 	    0.0
+#define XSANE_MEDIUM_CALIB_CONTRAST_MAX	 	 1000.0
+
+#define XSANE_BRIGHTNESS_MIN	-100.0
+#define XSANE_BRIGHTNESS_MAX	 100.0
+#define XSANE_CONTRAST_GRAY_MIN	-100.0
+#define XSANE_CONTRAST_MIN	-100.0
+#define XSANE_CONTRAST_MAX	 100.0
+
+#define XSANE_GAMMA_MIN		0.3
+#define XSANE_GAMMA_MAX		3.0
+
+#define HIST_WIDTH		256
+#define HIST_HEIGHT		100
+#define XSANE_SHELL_WIDTH	296
+#define XSANE_SHELL_HEIGHT	451
+#define XSANE_SHELL_POS_X	1
+#define XSANE_SHELL_POS_Y	50
+#define XSANE_HISTOGRAM_POS_X	280
+#define XSANE_HISTOGRAM_POS_Y	50
+#define XSANE_GAMMA_POS_X	280
+#define XSANE_GAMMA_POS_Y	420
+#define XSANE_STD_OPTIONS_POS_X	1
+#define XSANE_STD_OPTIONS_POS_Y	400
+#define XSANE_ADV_OPTIONS_POS_X	280
+#define XSANE_ADV_OPTIONS_POS_Y	420
+#define XSANE_PREVIEW_POS_X	560
+#define XSANE_PREVIEW_POS_Y	50
+#define XSANE_PREVIEW_WIDTH	100
+#define XSANE_PREVIEW_HEIGHT	100
+
+#define XSANE_SLIDER_ACTIVE	0
+#define XSANE_SLIDER_INACTIVE	4
+#define XSANE_SLIDER_WIDTH	260
+#define XSANE_SLIDER_HEIGHT	10
+#define XSANE_SLIDER_OFFSET	2
+#define XSANE_SLIDER_EVENTS	GDK_EXPOSURE_MASK | GDK_ENTER_NOTIFY_MASK | \
+				GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | \
+				GDK_BUTTON1_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK
+#define INF			5.0e9
+#define MM_PER_INCH		25.4
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#define STRINGIFY1(x)   #x
+#define STRINGIFY(x)    STRINGIFY1(x)
+
+#define NELEMS(a)       ((int)(sizeof (a) / sizeof (a[0])))
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+enum
+{
+ XSANE_UNKNOWN, XSANE_PNM, XSANE_JPEG, XSANE_PNG, XSANE_PS, XSANE_TIFF, XSANE_RGBA,
+ XSANE_RAW16, XSANE_PNM16
+};
+ 
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+enum
+{
+ XSANE_STANDALONE, XSANE_GIMP_EXTENSION
+};
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct XsanePixmap
+{
+  GtkWidget *frame;
+  GdkPixmap *pixmap;
+  GtkWidget *pixmapwid;
+} XsanePixmap;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct XsaneSlider
+{
+  int position[3];
+  double value[3];
+  double min, max;
+  int active;
+  GtkWidget *preview;
+  int r, g, b;
+} XsaneSlider;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct Xsane
+{
+    SANE_Int sane_backend_versioncode;
+    char *backend;
+    char *device_set_filename;
+    char *filetype;
+    char *output_filename;
+    char *dummy_filename;
+
+    SANE_Int sensitivity;
+
+    GtkWidget *xsane_window;
+    GtkWidget *standard_window;
+    GtkWidget *advanced_window;
+    GtkWidget *gamma_window;
+    GtkWidget *xsane_hbox;
+    GtkWidget *standard_hbox;
+    GtkWidget *advanced_hbox;
+    GtkWidget *xsanemode_widget;
+
+    GtkAccelGroup *accelerator_group;
+    GtkTooltips *tooltips;
+    GdkColor tooltips_fg;
+    GdkColor tooltips_bg;
+
+    SANE_Handle *dev;
+    const char *dev_name;
+    GSGWellKnownOptions well_known;
+    int num_elements;
+    GSGDialogElement *element;
+    u_int rebuild : 1;
+    int pixelcolor;
+    int scanning;
+    int reading_data;
+    int cancel_scan;
+
+/* free gamma curve widgets */
+    GtkWidget *gamma_curve_gray;
+    GtkWidget *gamma_curve_red;
+    GtkWidget *gamma_curve_green;
+    GtkWidget *gamma_curve_blue;
+
+/* previous global stand alone varaibales */
+    const char   *prog_name;      /* name of this program, normally "xsane" */
+    const char   *device_text;      /* name of the selected device */
+    GtkWidget    *choose_device_dialog;      /* the widget of the device selection dialog */
+    const SANE_Device **devlist;      /* the list of available devices */
+    int          selected_dev;        /* the selected device */
+    int          num_of_devs;
+    int          back_gtk_message_dialog_active;
+
+
+    /* dialogs */
+    GtkWidget *shell;
+    GtkWidget *menubar;
+    GtkWidget *standard_options_shell;
+    GtkWidget *advanced_options_shell;
+    GtkWidget *main_dialog_scrolled;
+    GtkWidget *histogram_dialog;
+    GtkWidget *gamma_dialog;
+
+    GtkWidget *fax_dialog;
+    GtkWidget *fax_list;
+    GtkWidget *fax_project_box;
+    GtkWidget *fax_project_exists;
+    GtkWidget *fax_project_not_exists;
+    GtkWidget *fax_project_entry;
+    GtkWidget *fax_receiver_entry;
+
+    GtkWidget *mail_dialog;
+    GtkWidget *mail_list;
+    GtkWidget *mail_project_box;
+    GtkWidget *mail_project_exists;
+    GtkWidget *mail_project_not_exists;
+    GtkWidget *mail_project_entry;
+    GtkWidget *mail_receiver_entry;
+    GtkWidget *mail_subject_entry;
+    GtkWidget *mail_text_widget;
+    GtkWidget *mail_html_mode_widget;
+    GtkWidget *mail_status_label;
+
+    GdkPixmap *window_icon_pixmap;
+    GdkBitmap *window_icon_mask;        
+
+    GtkWidget *hruler;
+    GtkWidget *vruler;
+    GtkWidget *info_label;
+    GtkObject *start_button;
+    GtkObject *cancel_button;
+    GtkSignalFunc cancel_callback;
+    Viewer    *viewer_list;
+    Preview   *preview;
+    int preview_gamma_size;
+    int mode;
+    int medium_nr;
+
+    int main_window_fixed;
+    int mode_selection;
+
+    int get_deskrelative_origin;
+
+    /* various scanning related state: */
+    SANE_Int depth;
+    size_t num_bytes;
+    size_t bytes_read;
+    GtkProgressBar *progress_bar;
+    int input_tag;
+    SANE_Parameters param;
+    int adf_page_counter;
+
+    /* for standalone mode: */
+    GtkWidget *filename_entry;
+    GtkWidget *filetype_option_menu;
+
+    /* saving and transformation values: */
+    FILE *out;
+    int xsane_mode;
+    int xsane_output_format;
+    long header_size;
+    int expand_lineart_to_grayscale;
+    int reduce_16bit_to_8bit;
+
+    /* histogram window */
+    struct XsanePixmap histogram_raw;
+    struct XsanePixmap histogram_enh;
+
+    struct XsaneSlider slider_gray;
+    struct XsaneSlider slider_red;
+    struct XsaneSlider slider_green;
+    struct XsaneSlider slider_blue;
+    guint  slider_timer; /* has to be guint */
+    int    slider_timer_restart;
+
+    double auto_white;
+    double auto_gray;
+    double auto_black;
+    double auto_white_red;
+    double auto_gray_red;
+    double auto_black_red;
+    double auto_white_green;
+    double auto_gray_green;
+    double auto_black_green;
+    double auto_white_blue;
+    double auto_gray_blue;
+    double auto_black_blue;
+
+    int histogram_red;
+    int histogram_green;
+    int histogram_blue;
+    int histogram_int;
+    int histogram_lines;
+    int histogram_log;
+
+    int no_preview_medium_gamma; /* disable preview medium gamma */
+    int medium_calibration; /* enable calibration mode for medium */
+    int brightness_min;
+    int brightness_max;
+    int contrast_gray_min;
+    int contrast_min;
+    int contrast_max;
+
+    /* colors */
+    GdkGC *gc_red;
+    GdkGC *gc_green;
+    GdkGC *gc_blue;
+    GdkGC *gc_black;
+    GdkGC *gc_trans;
+    GdkGC *gc_backg;
+    GdkColor *bg_trans;
+
+    int copy_number;
+    double zoom;
+    double zoom_x;
+    double zoom_y;
+    double resolution;
+    double resolution_x;
+    double resolution_y;
+
+    GtkWidget *medium_widget;
+    GtkWidget *length_unit_mm;
+    GtkWidget *length_unit_cm;
+    GtkWidget *length_unit_in;
+    GtkWidget *update_policy_continu;
+    GtkWidget *update_policy_discont;
+    GtkWidget *update_policy_delayed;
+    GtkWidget *show_preview_widget;
+    GtkWidget *show_histogram_widget;
+    GtkWidget *show_gamma_widget;
+    GtkWidget *show_standard_options_widget;
+    GtkWidget *show_advanced_options_widget;
+    GtkWidget *show_resolution_list_widget;
+    GtkObject *zoom_widget;
+    GtkObject *gamma_widget;
+    GtkObject *gamma_red_widget;
+    GtkObject *gamma_green_widget;
+    GtkObject *gamma_blue_widget;
+    GtkObject *brightness_widget;
+    GtkObject *brightness_red_widget;
+    GtkObject *brightness_green_widget;
+    GtkObject *brightness_blue_widget;
+    GtkObject *contrast_widget;
+    GtkObject *contrast_red_widget;
+    GtkObject *contrast_green_widget;
+    GtkObject *contrast_blue_widget;
+    GtkObject *threshold_widget;
+
+    SANE_Int xsane_colors;
+    SANE_Bool scanner_gamma_color;
+    SANE_Bool scanner_gamma_gray;
+
+    int fax_fine_mode;
+    int mail_project_save;
+    int mail_html_mode;
+
+    GtkWidget *outputfilename_entry;
+    GtkWidget *copy_number_entry;
+
+    gfloat *free_gamma_data, *free_gamma_data_red, *free_gamma_data_green, *free_gamma_data_blue;
+    SANE_Int *gamma_data, *gamma_data_red, *gamma_data_green, *gamma_data_blue;
+    u_char *preview_gamma_data_red, *preview_gamma_data_green, *preview_gamma_data_blue;
+    u_char *histogram_gamma_data_red, *histogram_gamma_data_green, *histogram_gamma_data_blue;
+    u_char *histogram_medium_gamma_data_red, *histogram_medium_gamma_data_green, *histogram_medium_gamma_data_blue;
+
+    char *fax_filename;
+    char *fax_receiver;
+
+    char *mail_status;
+    char *mail_filename;
+    char *mail_receiver;
+    char *mail_subject;
+
+    int block_update_param;
+
+    int broken_pipe; /* for printercommand pipe */
+
+    int cancel_save;
+
+/* -------------------------------------------------- */
+
+/* device preferences: */
+
+/* we have to use double and int here, gint or SANE_Word
+   is not allowed because we need a defined size for
+   rc_io-routintes that are based on double, int, ... */
+
+    /* window position and geometry */
+    int shell_posx;
+    int shell_posy;
+    int shell_height;
+    int shell_width;
+    int standard_options_shell_posx;
+    int standard_options_shell_posy;
+    int advanced_options_shell_posx;
+    int advanced_options_shell_posy;
+    int histogram_dialog_posx;
+    int histogram_dialog_posy;
+    int gamma_dialog_posx;
+    int gamma_dialog_posy;
+    int preview_dialog_posx;
+    int preview_dialog_posy;
+    int preview_dialog_width;
+    int preview_dialog_height;
+
+    double medium_gamma_gray;
+    double medium_gamma_red;
+    double medium_gamma_green;
+    double medium_gamma_blue;
+
+    double medium_shadow_gray;
+    double medium_shadow_red;
+    double medium_shadow_green;
+    double medium_shadow_blue;
+
+    double medium_highlight_gray;
+    double medium_highlight_red;
+    double medium_highlight_green;
+    double medium_highlight_blue;
+
+    int medium_negative;
+
+    int medium_changed;
+
+    double gamma;
+    double gamma_red;
+    double gamma_green;
+    double gamma_blue;
+
+    double brightness;
+    double brightness_red;
+    double brightness_green;
+    double brightness_blue;
+
+    double contrast;
+    double contrast_red;
+    double contrast_green;
+    double contrast_blue;
+
+    int lineart_mode;
+    double threshold;
+    double threshold_min;
+    double threshold_max;
+    double threshold_mul;
+    double threshold_off;
+    char *grayscale_scanmode;
+
+    int enhancement_rgb_default;
+    int negative;
+    int show_preview;
+    int print_filenames;
+    int force_filename;
+    char *external_filename;
+    char *adf_scansource;
+
+/* -------------------------------------------------- */
+
+} Xsane;
+
+extern struct Xsane xsane;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct XsaneSetup
+{
+  GtkWidget *printer_name_entry;
+  GtkWidget *printer_command_entry;
+  GtkWidget *printer_copy_number_option_entry;
+  GtkWidget *printer_lineart_resolution_entry;
+  GtkWidget *printer_grayscale_resolution_entry;
+  GtkWidget *printer_color_resolution_entry;
+  GtkWidget *printer_leftoffset_entry;
+  GtkWidget *printer_bottomoffset_entry;
+  GtkWidget *printer_gamma_entry;
+  GtkWidget *printer_gamma_red_entry;
+  GtkWidget *printer_gamma_green_entry;
+  GtkWidget *printer_gamma_blue_entry;
+  GtkWidget *printer_width_entry;
+  GtkWidget *printer_height_entry;
+
+  GtkWidget *jpeg_image_quality_scale;
+  GtkWidget *pnm_image_compression_scale;
+  GtkWidget *save_devprefs_at_exit_button;
+  GtkWidget *overwrite_warning_button;
+  GtkWidget *increase_filename_counter_button;
+  GtkWidget *skip_existing_numbers_button;
+  GtkWidget *reduce_16bit_to_8bit_button;
+
+  GtkWidget *main_window_fixed_button;
+
+  GtkWidget *preview_gamma_entry;
+  GtkWidget *preview_gamma_red_entry;
+  GtkWidget *preview_gamma_green_entry;
+  GtkWidget *preview_gamma_blue_entry;
+  GtkWidget *preview_lineart_mode_entry;
+  GtkWidget *preview_grayscale_scanmode_widget;
+  GtkWidget *preview_threshold_min_entry;
+  GtkWidget *preview_threshold_max_entry;
+  GtkWidget *preview_threshold_mul_entry;
+  GtkWidget *preview_threshold_off_entry;
+  GtkWidget *auto_enhance_gamma_button;
+  GtkWidget *preselect_scanarea_button;
+  GtkWidget *auto_correct_colors_button;
+  GtkWidget *disable_gimp_preview_gamma_button;
+  GtkWidget *preview_oversampling_entry;
+  GtkWidget *preview_own_cmap_button;
+  GtkWidget *doc_viewer_entry;
+
+  GtkWidget *fax_command_entry;
+  GtkWidget *fax_receiver_option_entry;
+  GtkWidget *fax_postscript_option_entry;
+  GtkWidget *fax_normal_option_entry;
+  GtkWidget *fax_fine_option_entry;
+  GtkWidget *fax_viewer_entry;
+  GtkWidget *fax_width_entry;
+  GtkWidget *fax_leftoffset_entry;
+  GtkWidget *fax_bottomoffset_entry;
+  GtkWidget *fax_height_entry;
+  GtkWidget *tmp_path_entry;
+
+  GtkWidget *mail_smtp_server_entry;
+  GtkWidget *mail_smtp_port_entry;
+  GtkWidget *mail_from_entry;
+  GtkWidget *mail_reply_to_entry;
+  GtkWidget *mail_pop3_authentification_entry;
+  GtkWidget *mail_pop3_server_entry;
+  GtkWidget *mail_pop3_port_entry;
+  GtkWidget *mail_pop3_user_entry;
+  GtkWidget *mail_pop3_pass_entry;
+  GtkWidget *mail_viewer_entry;
+
+  GtkWidget *ocr_command_entry;
+  GtkWidget *ocr_inputfile_option_entry;
+  GtkWidget *ocr_outputfile_option_entry;
+
+  int filename_counter_len;
+
+  int tiff_compression16_nr;
+  int tiff_compression8_nr;
+  int tiff_compression1_nr;
+
+  int lineart_mode;
+
+  int image_permissions;
+  int directory_permissions;
+
+  int preview_pipette_range;
+
+  char *grayscale_scanmode;
+  char *adf_scansource;
+
+} XsaneSetup;
+
+extern struct XsaneSetup xsane_setup;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+extern int DBG_LEVEL;
+
+#ifdef __GNUC__
+# define DBG(level, msg, args...)                \
+  {                                              \
+    if (DBG_LEVEL >= (level))                    \
+    {                                            \
+      fprintf (stderr, "[xsane] " msg, ##args);  \
+      fflush(stderr);                            \
+    }                                            \
+  }
+#else
+  extern void xsane_debug_message(int level, const char *fmt, ...);
+# define DBG xsane_debug_message
+#endif
+
+# define DBG_init()                                          \
+  {                                                          \
+   char *dbg_level_string = getenv(XSANE_DEBUG_ENVIRONMENT); \
+                                                             \
+    if (dbg_level_string)                                    \
+    {                                                        \
+      DBG_LEVEL = atoi(dbg_level_string);                    \
+      DBG(1, "Setting debug level to %d\n", DBG_LEVEL);      \
+    }                                                        \
+  }
+
+#define DBG_error0    0
+#define DBG_error     1
+#define DBG_warning   2
+#define DBG_info      3
+#define DBG_info2     4
+#define DBG_proc      5
+#define DBG_proc2     50
+#define DBG_optdesc   70	/* xsane_get_option_descriptor */
+#define DBG_proc3     100	/* for routines that are called very very often */
+#define DBG_wire      100	/* rc_io_w routines */
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#endif