From 2d113e8792747151bf5d830f1a1485f2f951f940 Mon Sep 17 00:00:00 2001 From: Mattia Rizzolo Date: Fri, 3 Oct 2014 14:04:58 +0000 Subject: Imported Upstream version 0.50 --- frontend/xsane-scan.c | 2369 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2369 insertions(+) create mode 100644 frontend/xsane-scan.c (limited to 'frontend/xsane-scan.c') diff --git a/frontend/xsane-scan.c b/frontend/xsane-scan.c new file mode 100644 index 0000000..d66ab28 --- /dev/null +++ b/frontend/xsane-scan.c @@ -0,0 +1,2369 @@ +/* xsane -- a graphical (X11, gtk) scanner-oriented SANE frontend + + xsane-scan.c + + Oliver Rauch + Copyright (C) 1998-2000 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. */ + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +#include "xsane.h" +#include "xsane-back-gtk.h" +#include "xsane-front-gtk.h" +#include "xsane-preferences.h" +#include "xsane-preview.h" +#include "xsane-save.h" +#include "xsane-text.h" +#include "xsane-gamma.h" +#include "xsane-setup.h" + +#ifdef HAVE_LIBPNG +#ifdef HAVE_LIBZ +#include +#include +#endif +#endif + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +#ifdef HAVE_LIBGIMP_GIMP_H + +#include + +static void xsane_gimp_query(void); +static void xsane_gimp_run(char *name, int nparams, GParam * param, int *nreturn_vals, GParam ** return_vals); + +GPlugInInfo PLUG_IN_INFO = +{ + NULL, /* init_proc */ + NULL, /* quit_proc */ + xsane_gimp_query, /* query_proc */ + xsane_gimp_run, /* run_proc */ +}; + +#endif /* HAVE_LIBGIMP_GIMP_H */ + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +/* forward declarations: */ + +static int xsane_generate_dummy_filename(); +#ifdef HAVE_LIBGIMP_GIMP_H +static int xsane_decode_devname(const char *encoded_devname, int n, char *buf); +static int xsane_encode_devname(const char *devname, int n, char *buf); +void null_print_func(gchar *msg); +static void xsane_gimp_advance(void); +#endif +static void xsane_read_image_data(gpointer data, gint source, GdkInputCondition cond); +static RETSIGTYPE xsane_sigpipe_handler(int signal); +static int xsane_test_multi_scan(void); +void xsane_scan_done(SANE_Status status); +void xsane_cancel(void); +static void xsane_start_scan(void); +void xsane_scan_dialog(GtkWidget * widget, gpointer call_data); + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static int xsane_generate_dummy_filename() +{ + /* returns TRUE if file is a temporary file */ + + if (xsane.dummy_filename) + { + free(xsane.dummy_filename); + } + + if ( (xsane.xsane_mode == XSANE_COPY) || (xsane.xsane_mode == XSANE_FAX) || /* we have to do a conversion */ + ( (xsane.xsane_mode == XSANE_SCAN) && (xsane.xsane_output_format != XSANE_PNM) && + (xsane.xsane_output_format != XSANE_RAW16) && (xsane.xsane_output_format != XSANE_RGBA) ) ) + { + char filename[PATH_MAX]; + + xsane_back_gtk_make_path(sizeof(filename), filename, 0, 0, "conversion-", dialog->dev_name, ".ppm", XSANE_PATH_TMP); + xsane.dummy_filename = strdup(filename); + return TRUE; + } + else /* no conversion following, save directly to the selected filename */ + { + xsane.dummy_filename = strdup(xsane.output_filename); + return FALSE; + } +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +#ifdef HAVE_LIBGIMP_GIMP_H +static int xsane_decode_devname(const char *encoded_devname, int n, char *buf) +{ + char *dst, *limit; + const char *src; + char ch, val; + + limit = buf + n; + for (src = encoded_devname, dst = buf; *src; ++dst) + { + if (dst >= limit) + { + return -1; + } + + ch = *src++; + /* don't use the ctype.h macros here since we don't want to allow anything non-ASCII here... */ + if (ch != '-') + { + *dst = ch; + } + else /* decode */ + { + ch = *src++; + if (ch == '-') + { + *dst = ch; + } + else + { + if (ch >= 'a' && ch <= 'f') + { + val = (ch - 'a') + 10; + } + else + { + val = (ch - '0'); + } + val <<= 4; + + ch = *src++; + if (ch >= 'a' && ch <= 'f') + { + val |= (ch - 'a') + 10; + } + else + { + val |= (ch - '0'); + } + + *dst = val; + + ++src; /* simply skip terminating '-' for now... */ + } + } + } + + if (dst >= limit) + { + return -1; + } + + *dst = '\0'; + return 0; +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static int xsane_encode_devname(const char *devname, int n, char *buf) +{ + static const char hexdigit[] = "0123456789abcdef"; + char *dst, *limit; + const char *src; + char ch; + + limit = buf + n; + for (src = devname, dst = buf; *src; ++src) + { + if (dst >= limit) + { + return -1; + } + + ch = *src; + /* don't use the ctype.h macros here since we don't want to allow anything non-ASCII here... */ + if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) + { + *dst++ = ch; + } + else /* encode */ + { + if (dst + 4 >= limit) + { + return -1; + } + + *dst++ = '-'; + if (ch == '-') + { + *dst++ = '-'; + } + else + { + *dst++ = hexdigit[(ch >> 4) & 0x0f]; + *dst++ = hexdigit[(ch >> 0) & 0x0f]; + *dst++ = '-'; + } + } + } + + if (dst >= limit) + { + return -1; + } + + *dst = '\0'; + return 0; +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static void xsane_gimp_query(void) +{ + static GParamDef args[] = + { + {PARAM_INT32, "run_mode", "Interactive, non-interactive"}, + }; + static GParamDef *return_vals = NULL; + static int nargs = sizeof(args) / sizeof(args[0]); + static int nreturn_vals = 0; + char mpath[1024]; + char name[1024]; + size_t len; + int i, j; + + snprintf(name, sizeof(name), "%s", prog_name); +#ifdef GIMP_CHECK_VERSION +# if GIMP_CHECK_VERSION(1,1,9) + snprintf(mpath, sizeof(mpath), "%s", XSANE_GIMP_MENU_DIALOG); +# else + snprintf(mpath, sizeof(mpath), "%s", XSANE_GIMP_MENU_DIALOG_OLD); +# endif +#else + snprintf(mpath, sizeof(mpath), "%s", XSANE_GIMP_MENU_DIALOG_OLD); +#endif + gimp_install_procedure(name, + XSANE_GIMP_INSTALL_BLURB, + XSANE_GIMP_INSTALL_HELP, + XSANE_AUTHOR, + XSANE_COPYRIGHT, + XSANE_DATE, + mpath, + 0, /* "RGB, GRAY", */ + PROC_EXTENSION, + nargs, nreturn_vals, + args, return_vals); + + sane_init(&xsane.sane_backend_versioncode, (void *) xsane_authorization_callback); + if (SANE_VERSION_MAJOR(xsane.sane_backend_versioncode) != SANE_V_MAJOR) + { + fprintf(stderr, "\n\n" + "%s %s:\n" + " %s\n" + " %s %d\n" + " %s %d\n" + "%s\n\n", + prog_name, ERR_ERROR, + ERR_MAJOR_VERSION_NR_CONFLICT, + ERR_XSANE_MAJOR_VERSION, SANE_V_MAJOR, + ERR_BACKEND_MAJOR_VERSION, SANE_VERSION_MAJOR(xsane.sane_backend_versioncode), + ERR_PROGRAM_ABORTED); + return; + } + + sane_get_devices(&devlist, SANE_FALSE); + + for (i = 0; devlist[i]; ++i) + { + snprintf(name, sizeof(name), "%s-", prog_name); + if (xsane_encode_devname(devlist[i]->name, sizeof(name) - 6, name + 6) < 0) + { + continue; /* name too long... */ + } + +#ifdef GIMP_CHECK_VERSION +# if GIMP_CHECK_VERSION(1,1,9) + snprintf(mpath, sizeof(mpath), "%s", XSANE_GIMP_MENU); +# else + snprintf(mpath, sizeof(mpath), "%s", XSANE_GIMP_MENU_OLD); +# endif +#else + snprintf(mpath, sizeof(mpath), "%s", XSANE_GIMP_MENU_OLD); +#endif + len = strlen(mpath); + for (j = 0; devlist[i]->name[j]; ++j) + { + if (devlist[i]->name[j] == '/') + mpath[len++] = '\''; + else + mpath[len++] = devlist[i]->name[j]; + } + mpath[len++] = '\0'; + + gimp_install_procedure(name, + XSANE_GIMP_INSTALL_BLURB, + XSANE_GIMP_INSTALL_HELP, + XSANE_AUTHOR, + XSANE_COPYRIGHT, + XSANE_DATE, + mpath, + "RGB, GRAY", + PROC_EXTENSION, + nargs, nreturn_vals, + args, return_vals); + } + sane_exit(); +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static void xsane_gimp_run(char *name, int nparams, GParam * param, int *nreturn_vals, GParam ** return_vals) +{ + static GParam values[2]; + GRunModeType run_mode; + char devname[1024]; + char *args[2]; + int nargs; + + run_mode = param[0].data.d_int32; + xsane.mode = XSANE_GIMP_EXTENSION; + + *nreturn_vals = 1; + *return_vals = values; + + values[0].type = PARAM_STATUS; + values[0].data.d_status = STATUS_CALLING_ERROR; + + nargs = 0; + args[nargs++] = "xsane"; + + seldev = -1; + if (strncmp(name, "xsane-", 6) == 0) + { + if (xsane_decode_devname(name + 6, sizeof(devname), devname) < 0) + { + return; /* name too long */ + } + args[nargs++] = devname; + } + + switch (run_mode) + { + case RUN_INTERACTIVE: + xsane_interface(nargs, args); + values[0].data.d_status = STATUS_SUCCESS; + break; + + case RUN_NONINTERACTIVE: + /* Make sure all the arguments are there! */ + break; + + case RUN_WITH_LAST_VALS: + /* Possibly retrieve data */ + break; + + default: + break; + } +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +void null_print_func(gchar *msg) +{ +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static void xsane_gimp_advance(void) +{ + if (++xsane.x >= xsane.param.pixels_per_line) + { + int tile_height = gimp_tile_height(); + + xsane.x = 0; + ++xsane.y; + if (xsane.y % tile_height == 0) + { + gimp_pixel_rgn_set_rect(&xsane.region, xsane.tile, 0, xsane.y - tile_height, xsane.param.pixels_per_line, tile_height); + if (xsane.param.format >= SANE_FRAME_RED && xsane.param.format <= SANE_FRAME_BLUE) + { + int height; + + xsane.tile_offset %= 3; + + if (!xsane.first_frame) /* get the data for the existing tile: */ + { + height = tile_height; + + if (xsane.y + height >= xsane.param.lines) + { + height = xsane.param.lines - xsane.y; + } + + gimp_pixel_rgn_get_rect(&xsane.region, xsane.tile, 0, xsane.y, xsane.param.pixels_per_line, height); + } + } + else + { + xsane.tile_offset = 0; + } + } + } +} + +#endif /* HAVE_LIBGIMP_GIMP_H */ + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static void xsane_read_image_data(gpointer data, gint source, GdkInputCondition cond) +{ + SANE_Handle dev = xsane_back_gtk_dialog_get_device (dialog); + SANE_Status status; + SANE_Int len; + int i; + char buf[255]; + + if ( (xsane.param.depth == 1) || (xsane.param.depth == 8) ) + { + static unsigned char buf8[32768]; + + while (1) + { + status = sane_read(dev, (SANE_Byte *) buf8, sizeof(buf8), &len); + if (status == SANE_STATUS_EOF) + { + if (!xsane.param.last_frame) + { + xsane_start_scan(); + break; /* leave while loop */ + } + + xsane_scan_done(SANE_STATUS_EOF); /* image complete, stop scanning */ + return; + } + + if (status != SANE_STATUS_GOOD) + { + xsane_scan_done(status); /* status = return of sane_read */ + snprintf(buf, sizeof(buf), "%s %s.", ERR_DURING_READ, XSANE_STRSTATUS(status)); + xsane_back_gtk_error(buf, TRUE); + return; + } + + if (!len) + { + break; /* out of data for now, leave while loop */ + } + + xsane.bytes_read += len; + xsane_progress_update(xsane.progress, xsane.bytes_read / (gfloat) xsane.num_bytes); + + if (xsane.input_tag < 0) + { + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + } + + switch (xsane.param.format) + { + case SANE_FRAME_GRAY: + if (xsane.mode == XSANE_STANDALONE) + { + int i; + char val; + + if ((!xsane.scanner_gamma_gray) && (xsane.param.depth > 1)) + { + for (i=0; i < len; ++i) + { + val = xsane.gamma_data[(int) buf8[i]]; + fwrite(&val, 1, 1, xsane.out); + } + } + else + { + fwrite(buf8, 1, len, xsane.out); + } + } +#ifdef HAVE_LIBGIMP_GIMP_H + else /* GIMP MODE GRAY 8 bit */ + { + switch (xsane.param.depth) + { + case 1: + for (i = 0; i < len; ++i) + { + u_char mask; + int j; + + mask = buf8[i]; + for (j = 7; j >= 0; --j) + { + u_char gl = (mask & (1 << j)) ? 0x00 : 0xff; + xsane.tile[xsane.tile_offset++] = gl; + xsane_gimp_advance(); + if (xsane.x == 0) + { + break; + } + } + } + break; + + case 8: + if (!xsane.scanner_gamma_gray) + { + for (i = 0; i < len; ++i) + { + xsane.tile[xsane.tile_offset++] = xsane.gamma_data[(int) buf8[i]]; + xsane_gimp_advance(); + } + } + else + { + for (i = 0; i < len; ++i) + { + xsane.tile[xsane.tile_offset++] = buf8[i]; + xsane_gimp_advance(); + } + } + break; + } + } +#endif /* HAVE_LIBGIMP_GIMP_H */ + break; + + case SANE_FRAME_RGB: + if (xsane.mode == XSANE_STANDALONE) + { + int i; + char val; + + if (!xsane.scanner_gamma_color) /* gamma correction by xsane */ + { + for (i=0; i < len; ++i) + { + if (dialog->pixelcolor == 0) + { + val = xsane.gamma_data_red[(int) buf8[i]]; + dialog->pixelcolor++; + } + else if (dialog->pixelcolor == 1) + { + val = xsane.gamma_data_green[(int) buf8[i]]; + dialog->pixelcolor++; + } + else + { + val = xsane.gamma_data_blue[(int) buf8[i]]; + dialog->pixelcolor = 0; + } + fwrite(&val, 1, 1, xsane.out); + } + } + else /* gamma correction has been done by scanner */ + { + fwrite(buf8, 1, len, xsane.out); + } + } +#ifdef HAVE_LIBGIMP_GIMP_H + else /* GIMP MODE RGB 8 bit */ + { + switch (xsane.param.depth) + { + case 1: + if (xsane.param.format == SANE_FRAME_RGB) + { + goto bad_depth; + } + for (i = 0; i < len; ++i) + { + u_char mask; + int j; + + mask = buf8[i]; + for (j = 0; j < 8; ++j) + { + u_char gl = (mask & 1) ? 0xff : 0x00; + mask >>= 1; + xsane.tile[xsane.tile_offset++] = gl; + xsane_gimp_advance(); + if (xsane.x == 0) + break; + } + } + break; + + case 8: + if (!xsane.scanner_gamma_color) /* gamma correction by xsane */ + { + for (i = 0; i < len; ++i) + { + if (xsane.tile_offset % 3 == 0) + { + xsane.tile[xsane.tile_offset++] = xsane.gamma_data_red[(int) buf8[i]]; + } + else if (xsane.tile_offset % 3 == 1) + { + xsane.tile[xsane.tile_offset++] = xsane.gamma_data_green[(int) buf8[i]]; + } + else + { + xsane.tile[xsane.tile_offset++] = xsane.gamma_data_blue[(int) buf8[i]]; + } + + if (xsane.tile_offset % 3 == 0) + { + xsane_gimp_advance(); + } + } + } + else /* gamma correction by scanner */ + { + for (i = 0; i < len; ++i) + { + xsane.tile[xsane.tile_offset++] = buf8[i]; + if (xsane.tile_offset % 3 == 0) + { + xsane_gimp_advance(); + } + } + } + break; + + default: + goto bad_depth; + break; + } + } +#endif /* HAVE_LIBGIMP_GIMP_H */ + break; + + case SANE_FRAME_RED: + case SANE_FRAME_GREEN: + case SANE_FRAME_BLUE: + if (xsane.mode == XSANE_STANDALONE) + { + if (!xsane.scanner_gamma_color) /* gamma correction by xsane */ + { + char val; + SANE_Int *gamma; + + if (xsane.param.format == SANE_FRAME_RED) + { + gamma = xsane.gamma_data_red; + } + else if (xsane.param.format == SANE_FRAME_GREEN) + { + gamma = xsane.gamma_data_green; + } + else + { + gamma = xsane.gamma_data_blue; + } + + for (i = 0; i < len; ++i) + { + val = gamma[(int) buf8[i]]; + fwrite(&val, 1, 1, xsane.out); + fseek(xsane.out, 2, SEEK_CUR); + } + } + else /* gamma correction by scanner */ + { + for (i = 0; i < len; ++i) + { + fwrite(&buf8[i], 1, 1, xsane.out); + fseek(xsane.out, 2, SEEK_CUR); + } + } + } +#ifdef HAVE_LIBGIMP_GIMP_H + else /* GIMP MODE RED, GREEN, BLUE (3PASS) 8 bit */ + { + switch (xsane.param.depth) + { + case 1: + for (i = 0; i < len; ++i) + { + u_char mask; + int j; + + mask = buf8[i]; + for (j = 0; j < 8; ++j) + { + u_char gl = (mask & 1) ? 0xff : 0x00; + mask >>= 1; + xsane.tile[xsane.tile_offset] = gl; + xsane.tile_offset += 3; + xsane_gimp_advance(); + if (xsane.x == 0) + { + break; + } + } + } + break; + + case 8: + if (!xsane.scanner_gamma_color) /* gamma correction by xsane */ + { + SANE_Int *gamma; + + if (xsane.param.format == SANE_FRAME_RED) + { + gamma = xsane.gamma_data_red; + } + else if (xsane.param.format == SANE_FRAME_GREEN) + { + gamma = xsane.gamma_data_green; + } + else + { + gamma = xsane.gamma_data_blue; + } + + for (i = 0; i < len; ++i) + { + xsane.tile[xsane.tile_offset] = gamma[(int) buf8[i]]; + xsane.tile_offset += 3; + xsane_gimp_advance(); + } + } + else /* gamma correction by scanner */ + { + for (i = 0; i < len; ++i) + { + xsane.tile[xsane.tile_offset] = buf8[i]; + xsane.tile_offset += 3; + xsane_gimp_advance(); + } + } + break; + + default: + goto bad_depth; + break; + } + } +#endif /* HAVE_LIBGIMP_GIMP_H */ + break; + +#ifdef SUPPORT_RGBA + case SANE_FRAME_RGBA: /* Scanning including Infrared channel */ + if (xsane.mode == XSANE_STANDALONE) + { + int i; + char val; + + if (!xsane.scanner_gamma_color) /* gamma correction by xsane */ + { + for (i=0; i < len; ++i) + { + if (dialog->pixelcolor == 0) + { + val = xsane.gamma_data_red[(int) buf8[i]]; + dialog->pixelcolor++; + } + else if (dialog->pixelcolor == 1) + { + val = xsane.gamma_data_green[(int) buf8[i]]; + dialog->pixelcolor++; + } + else if (dialog->pixelcolor == 2) + { + val = xsane.gamma_data_blue[(int) buf8[i]]; + dialog->pixelcolor++; + } + else + { + val = buf8[i]; /* no gamma table for infrared channel */ + dialog->pixelcolor = 0; + } + fwrite(&val, 1, 1, xsane.out); + } + } + else /* gamma correction has been done by scanner */ + { + fwrite(buf8, 1, len, xsane.out); + } + } +#ifdef HAVE_LIBGIMP_GIMP_H + else /* GIMP MODE RGBA 8 bit */ + { + int i; + + + switch (xsane.param.depth) + { + case 8: + if (!xsane.scanner_gamma_color) /* gamma correction by xsane */ + { + for (i=0; i < len; ++i) + { + if (xsane.tile_offset % 4 == 0) + { + xsane.tile[xsane.tile_offset++] = xsane.gamma_data_red[(int) buf8[i]]; + } + else if (xsane.tile_offset % 4 == 1) + { + xsane.tile[xsane.tile_offset++] = xsane.gamma_data_green[(int) buf8[i]]; + } + else if (xsane.tile_offset % 4 == 2) + { + xsane.tile[xsane.tile_offset++] = xsane.gamma_data_blue[(int) buf8[i]]; + } + else + { + xsane.tile[xsane.tile_offset++] = buf8[i]; /* no gamma table for infrared channel */ + } + + if (xsane.tile_offset % 4 == 0) + { + xsane_gimp_advance(); + } + } + } + else /* gamma correction has been done by scanner */ + { + for (i = 0; i < len; ++i) + { + xsane.tile[xsane.tile_offset++] = buf8[i]; + if (xsane.tile_offset % 4 == 0) + { + xsane_gimp_advance(); + } + } + } + break; + + default: + goto bad_depth; + break; + } + } +#endif /* HAVE_LIBGIMP_GIMP_H */ + break; +#endif + + default: + xsane_scan_done(-1); /* -1 = error */ + fprintf(stderr, "xsane_read_image_data: %s %d\n", ERR_BAD_FRAME_FORMAT, xsane.param.format); + return; + break; + } + } + } + else if ( xsane.param.depth == 16 ) + { + static guint16 buf16[32768]; + char buf[255]; + char last = 0; + int offset = 0; + + while (1) + { + if (offset) /* if we have had an odd number of bytes */ + { + buf16[0] = last; + status = sane_read(dev, (SANE_Byte *) (buf16 + 1), sizeof(buf16) - 1, &len); + if (len) + { + len++; + } + } + else /* last read we had an even number of bytes */ + { + status = sane_read(dev, (SANE_Byte *) buf16, sizeof(buf16), &len); + } + + if (len % 2) /* odd number of bytes */ + { + len--; + last = buf16[len]; + offset = 1; + } + else /* even number of bytes */ + { + offset = 0; + } + + if (status == SANE_STATUS_EOF) + { + if (!xsane.param.last_frame) + { + xsane_start_scan(); + break; /* leave while loop */ + } + + xsane_scan_done(SANE_STATUS_EOF); /* image complete, stop scanning */ + return; + } + + if (status != SANE_STATUS_GOOD) + { + xsane_scan_done(status); /* status = return of sane_read */ + snprintf(buf, sizeof(buf), "%s %s.", ERR_DURING_READ, XSANE_STRSTATUS(status)); + xsane_back_gtk_error(buf, TRUE); + return; + } + + if (!len) /* nothing read */ + { + break; /* out of data for now, leave while loop */ + } + + xsane.bytes_read += len; + xsane_progress_update(xsane.progress, xsane.bytes_read / (gfloat) xsane.num_bytes); + + if (xsane.input_tag < 0) + { + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + } + + switch (xsane.param.format) + { + case SANE_FRAME_GRAY: + if (xsane.mode == XSANE_STANDALONE) + { + int i; + guint16 val; + + if (!xsane.scanner_gamma_gray) /* gamma correction by xsane */ + { + for (i=0; i < len/2; ++i) + { + val = xsane.gamma_data[buf16[i]]; + fwrite(&val, 2, 1, xsane.out); + } + } + else /* gamma correction by scanner */ + { + fwrite(buf16, 2, len/2, xsane.out); + } + } + break; + + case SANE_FRAME_RGB: + if (xsane.mode == XSANE_STANDALONE) + { + int i; + guint16 val; + + if (!xsane.scanner_gamma_color) /* gamma correction by xsane */ + { + for (i=0; i < len/2; ++i) + { + if (dialog->pixelcolor == 0) + { + val = xsane.gamma_data_red[buf16[i]]; + dialog->pixelcolor++; + } + else if (dialog->pixelcolor == 1) + { + val = xsane.gamma_data_green[buf16[i]]; + dialog->pixelcolor++; + } + else + { + val = xsane.gamma_data_blue[buf16[i]]; + dialog->pixelcolor = 0; + } + fwrite(&val, 2, 1, xsane.out); + } + } + else /* gamma correction by scanner */ + { + fwrite(buf16, 2, len/2, xsane.out); + } + } + break; + + case SANE_FRAME_RED: + case SANE_FRAME_GREEN: + case SANE_FRAME_BLUE: + if (xsane.mode == XSANE_STANDALONE) + { + for (i = 0; i < len/2; ++i) + { + fwrite(buf16 + i*2, 2, 1, xsane.out); + fseek(xsane.out, 4, SEEK_CUR); + } + } + break; + +#ifdef SUPPORT_RGBA + case SANE_FRAME_RGBA: + if (xsane.mode == XSANE_STANDALONE) + { + int i; + guint16 val; + + if (!xsane.scanner_gamma_color) + { + for (i=0; i < len/2; ++i) + { + if (dialog->pixelcolor == 0) + { + val = xsane.gamma_data_red[buf16[i]]; + dialog->pixelcolor++; + } + else if (dialog->pixelcolor == 1) + { + val = xsane.gamma_data_green[buf16[i]]; + dialog->pixelcolor++; + } + else if (dialog->pixelcolor == 2) + { + val = xsane.gamma_data_blue[buf16[i]]; + dialog->pixelcolor++; + } + else + { + val = buf16[i]; /* no gamma table for infrared channel */ + dialog->pixelcolor = 0; + } + fwrite(&val, 2, 1, xsane.out); + } + } + else + { + fwrite(buf16, 2, len/2, xsane.out); + } + } + break; +#endif + + default: + xsane_scan_done(-1); /* -1 = error */ + fprintf(stderr, "xsane_read_image_data: %s %d\n", ERR_BAD_FRAME_FORMAT, xsane.param.format); + return; + break; + } + } + } + else + { + xsane_scan_done(-1); /* -1 = error */ + snprintf(buf, sizeof(buf), "%s %d.", ERR_BAD_DEPTH, xsane.param.depth); + xsane_back_gtk_error(buf, TRUE); + return; + } + + return; + + /* ---------------------- */ + +#ifdef HAVE_LIBGIMP_GIMP_H +bad_depth: + + xsane_scan_done(-1); /* -1 = error */ + snprintf(buf, sizeof(buf), "%s %d.", ERR_BAD_DEPTH, xsane.param.depth); + xsane_back_gtk_error(buf, TRUE); + return; +#endif +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static RETSIGTYPE xsane_sigpipe_handler(int signal) +/* this is to catch a broken pipe while writing to printercommand */ +{ + xsane_cancel_save(0); + xsane.broken_pipe = 1; +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static int xsane_test_multi_scan(void) +{ + char *set; + SANE_Status status; + const SANE_Option_Descriptor *opt; + + opt = sane_get_option_descriptor(dialog->dev, dialog->well_known.scansource); + if (opt) + { + if (SANE_OPTION_IS_ACTIVE(opt->cap)) + { + if (opt->constraint_type == SANE_CONSTRAINT_STRING_LIST) + { + set = malloc(opt->size); + status = sane_control_option(dialog->dev, dialog->well_known.scansource, SANE_ACTION_GET_VALUE, set, 0); + + if (status == SANE_STATUS_GOOD) + { + if (!strcmp(set, SANE_NAME_DOCUMENT_FEEDER)) + { + return TRUE; + } + } + free(set); + } + } + } + +#if 0 /* this is planned for the next sane-standard */ + if (xsane.param.bitfield & XSANE_PARAM_STATUS_MORE_IMAGES) + { + return TRUE; + } +#endif + + return FALSE; +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +void xsane_scan_done(SANE_Status status) +{ + if (xsane.input_tag >= 0) + { + gdk_input_remove(xsane.input_tag); + xsane.input_tag = -1; + } + + if (xsane.progress) /* remove progressbar */ + { + xsane_progress_free(xsane.progress); + xsane.progress = 0; + } + + while(gtk_events_pending()) /* let gtk remove the progress bar and update everything that needs it */ + { + gtk_main_iteration(); + } + + + /* we have to free the gamma tables if we used software gamma correction */ + + if (xsane.gamma_data) + { + free(xsane.gamma_data); + xsane.gamma_data = 0; + } + + if (xsane.gamma_data_red) + { + free(xsane.gamma_data_red); + free(xsane.gamma_data_green); + free(xsane.gamma_data_blue); + + xsane.gamma_data_red = 0; + xsane.gamma_data_green = 0; + xsane.gamma_data_blue = 0; + } + + if (xsane.out) /* close file - this is dummy_file but if there is no conversion it is the wanted file */ + { + fclose(xsane.out); + xsane.out = 0; + } + + if ( (status == SANE_STATUS_GOOD) || (status == SANE_STATUS_EOF) ) /* no error, do conversion etc. */ + { + if (xsane.mode == XSANE_STANDALONE) + { + if ( (xsane.xsane_mode == XSANE_SCAN) && (xsane.xsane_output_format != XSANE_PNM) && + (xsane.xsane_output_format != XSANE_RAW16) && (xsane.xsane_output_format != XSANE_RGBA) ) + { + FILE *outfile; + FILE *infile; + char buf[256]; + + /* open progressbar */ + snprintf(buf, sizeof(buf), PROGRESS_SAVING); + xsane.progress = xsane_progress_new(PROGRESS_CONVERTING_DATA, buf, (GtkSignalFunc) xsane_cancel_save, 0); + xsane_progress_update(xsane.progress, 0); + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + + infile = fopen(xsane.dummy_filename, "r"); + if (infile != 0) + { + fseek(infile, xsane.header_size, SEEK_SET); + +#ifdef HAVE_LIBTIFF + if (xsane.xsane_output_format == XSANE_TIFF) /* routines that want to have filename for saving */ + { + if (xsane.param.depth != 1) + { + remove(xsane.output_filename); + umask(preferences.image_umask); /* define image file permissions */ + xsane_save_tiff(xsane.output_filename, infile, xsane.xsane_color, xsane.param.depth, xsane.param.pixels_per_line, + xsane.param.lines, preferences.tiff_compression_nr, preferences.jpeg_quality); + umask(XSANE_DEFAULT_UMASK); /* define new file permissions */ + } + else + { + remove(xsane.output_filename); + umask(preferences.image_umask); /* define image file permissions */ + xsane_save_tiff(xsane.output_filename, infile, xsane.xsane_color, xsane.param.depth, xsane.param.pixels_per_line, + xsane.param.lines, preferences.tiff_compression_1_nr, preferences.jpeg_quality); + umask(XSANE_DEFAULT_UMASK); /* define new file permissions */ + } + } + else /* routines that want to have filedescriptor for saving */ +#endif + { + remove(xsane.output_filename); + umask(preferences.image_umask); /* define image file permissions */ + outfile = fopen(xsane.output_filename, "w"); + umask(XSANE_DEFAULT_UMASK); /* define new file permissions */ + + if (outfile != 0) + { + switch(xsane.xsane_output_format) + { +#ifdef HAVE_LIBJPEG + case XSANE_JPEG: + xsane_save_jpeg(outfile, infile, xsane.xsane_color, xsane.param.depth, xsane.param.pixels_per_line, + xsane.param.lines, preferences.jpeg_quality); + break; +#endif + +#ifdef HAVE_LIBPNG +#ifdef HAVE_LIBZ + case XSANE_PNG: + if (xsane.param.depth <= 8) + { + xsane_save_png(outfile, infile, xsane.xsane_color, xsane.param.depth, xsane.param.pixels_per_line, + xsane.param.lines, preferences.png_compression); + } + else + { + xsane_save_png_16(outfile, infile, xsane.xsane_color, xsane.param.depth, xsane.param.pixels_per_line, + xsane.param.lines, preferences.png_compression); + } + break; +#endif +#endif + + case XSANE_PNM16: + xsane_save_pnm_16(outfile, infile, xsane.xsane_color, xsane.param.depth, xsane.param.pixels_per_line, + xsane.param.lines); + break; + + case XSANE_PS: /* save postscript, use original size */ + { + float imagewidth = xsane.param.pixels_per_line/xsane.resolution_x; /* width in inch */ + float imageheight = xsane.param.lines/xsane.resolution_y; /* height in inch */ + + if (preferences.psrotate) /* rotate: landscape */ + { + xsane_save_ps(outfile, infile, + xsane.xsane_color /* gray, color */, + xsane.param.depth /* bits */, + xsane.param.pixels_per_line, xsane.param.lines, /* pixel_width, pixel_height */ + (preferences.printer[preferences.printernr]->bottomoffset + + preferences.printer[preferences.printernr]->height) * 36.0/MM_PER_INCH - imagewidth * 36.0, /* left edge */ + (preferences.printer[preferences.printernr]->leftoffset + + preferences.printer[preferences.printernr]->width) * 36.0/MM_PER_INCH - imageheight * 36.0, /* bottom edge */ + imagewidth, imageheight, + (preferences.printer[preferences.printernr]->leftoffset + + preferences.printer[preferences.printernr]->width ) * 72.0/MM_PER_INCH, /* paperwidth */ + (preferences.printer[preferences.printernr]->bottomoffset + + preferences.printer[preferences.printernr]->height) * 72.0/MM_PER_INCH, /* paperheight */ + 1 /* landscape */); + } + else /* do not rotate: portrait */ + { + xsane_save_ps(outfile, infile, + xsane.xsane_color /* gray, color */, + xsane.param.depth /* bits */, + xsane.param.pixels_per_line, xsane.param.lines, /* pixel_width, pixel_height */ + (preferences.printer[preferences.printernr]->leftoffset + + preferences.printer[preferences.printernr]->width) * 36.0/MM_PER_INCH - imagewidth * 36.0, + (preferences.printer[preferences.printernr]->bottomoffset + + preferences.printer[preferences.printernr]->height) * 36.0/MM_PER_INCH - imageheight * 36.0, + imagewidth, imageheight, + (preferences.printer[preferences.printernr]->leftoffset + + preferences.printer[preferences.printernr]->width ) * 72.0/MM_PER_INCH, /* paperwidth */ + (preferences.printer[preferences.printernr]->bottomoffset + + preferences.printer[preferences.printernr]->height) * 72.0/MM_PER_INCH, /* paperheight */ + 0 /* portrait */); + } + } + break; + + + default: + snprintf(buf, sizeof(buf),"%s", ERR_UNKNOWN_SAVING_FORMAT); + xsane_back_gtk_error(buf, TRUE); + break; + } + fclose(outfile); + } + else + { + char buf[256]; + + snprintf(buf, sizeof(buf), "%s `%s': %s", ERR_OPEN_FAILED, xsane.output_filename, strerror(errno)); + xsane_back_gtk_error(buf, TRUE); + } + } + fclose(infile); + remove(xsane.dummy_filename); + } + else + { + char buf[256]; + snprintf(buf, sizeof(buf), "%s `%s': %s", ERR_OPEN_FAILED, xsane.output_filename, strerror(errno)); + xsane_back_gtk_error(buf, TRUE); + } + xsane_progress_free(xsane.progress); + xsane.progress = 0; + + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + } + else if (xsane.xsane_mode == XSANE_COPY) + { + FILE *outfile; + FILE *infile; + char buf[256]; + + xsane_update_int(xsane.copy_number_entry, &xsane.copy_number); /* get number of copies */ + if (xsane.copy_number < 1) + { + xsane.copy_number = 1; + } + + /* open progressbar */ + snprintf(buf, sizeof(buf), PROGRESS_CONVERTING_PS); + xsane.progress = xsane_progress_new(PROGRESS_CONVERTING_DATA, buf, (GtkSignalFunc) xsane_cancel_save, 0); + xsane_progress_update(xsane.progress, 0); + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + + xsane.broken_pipe = 0; + infile = fopen(xsane.dummy_filename, "r"); + + snprintf(buf, sizeof(buf), "%s %s%d", preferences.printer[preferences.printernr]->command, + preferences.printer[preferences.printernr]->copy_number_option, + xsane.copy_number); + outfile = popen(buf, "w"); +/* outfile = popen(preferences.printer[preferences.printernr]->command, "w"); */ + if ((outfile != 0) && (infile != 0)) /* copy mode, use zoom size */ + { + struct SIGACTION act; + float imagewidth = xsane.param.pixels_per_line/(float)preferences.printer[preferences.printernr]->resolution; /* width in inch */ + float imageheight = xsane.param.lines/(float)preferences.printer[preferences.printernr]->resolution; /* height in inch */ + + memset (&act, 0, sizeof (act)); /* define broken pipe handler */ + act.sa_handler = xsane_sigpipe_handler; + sigaction (SIGPIPE, &act, 0); + + + fseek(infile, xsane.header_size, SEEK_SET); + + if (preferences.psrotate) /* rotate: landscape */ + { + xsane_save_ps(outfile, infile, + xsane.xsane_color /* gray, color */, + xsane.param.depth /* bits */, + xsane.param.pixels_per_line, xsane.param.lines, /* pixel_width, pixel_height */ + (preferences.printer[preferences.printernr]->bottomoffset + + preferences.printer[preferences.printernr]->height) * 36.0/MM_PER_INCH - imagewidth * 36.0, /* left edge */ + (preferences.printer[preferences.printernr]->leftoffset + + preferences.printer[preferences.printernr]->width) * 36.0/MM_PER_INCH - imageheight * 36.0, /* bottom edge */ + imagewidth, imageheight, + (preferences.printer[preferences.printernr]->leftoffset + + preferences.printer[preferences.printernr]->width ) * 72.0/MM_PER_INCH, /* paperwidth */ + (preferences.printer[preferences.printernr]->bottomoffset + + preferences.printer[preferences.printernr]->height) * 72.0/MM_PER_INCH, /* paperheight */ + 1 /* landscape */); + } + else /* do not rotate: portrait */ + { + xsane_save_ps(outfile, infile, + xsane.xsane_color /* gray, color */, + xsane.param.depth /* bits */, + xsane.param.pixels_per_line, xsane.param.lines, /* pixel_width, pixel_height */ + (preferences.printer[preferences.printernr]->leftoffset + + preferences.printer[preferences.printernr]->width) * 36.0/MM_PER_INCH - imagewidth * 36.0, /* left edge */ + (preferences.printer[preferences.printernr]->bottomoffset + + preferences.printer[preferences.printernr]->height) * 36.0/MM_PER_INCH - imageheight * 36.0, /* bottom edge */ + imagewidth, imageheight, + (preferences.printer[preferences.printernr]->leftoffset + + preferences.printer[preferences.printernr]->width ) * 72.0/MM_PER_INCH, /* paperwidth */ + (preferences.printer[preferences.printernr]->bottomoffset + + preferences.printer[preferences.printernr]->height) * 72.0/MM_PER_INCH, /* paperheight */ + 0 /* portrait */); + } + } + else + { + char buf[256]; + + if (!infile) + { + snprintf(buf, sizeof(buf), "%s `%s': %s", ERR_OPEN_FAILED, xsane.output_filename, strerror(errno)); + xsane_back_gtk_error(buf, TRUE); + } + else if (!outfile) + { + xsane_back_gtk_error(ERR_FAILED_PRINTER_PIPE, TRUE); + } + } + + if (xsane.broken_pipe) + { + snprintf(buf, sizeof(buf), "%s \"%s\"", ERR_FAILED_EXEC_PRINTER_CMD, preferences.printer[preferences.printernr]->command); + xsane_back_gtk_error(buf, TRUE); + } + + xsane_progress_free(xsane.progress); + xsane.progress = 0; + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + + if (infile) + { + fclose(infile); + remove(xsane.dummy_filename); + } + + if (outfile) + { + pclose(outfile); + } + } + else if (xsane.xsane_mode == XSANE_FAX) + { + FILE *outfile; + FILE *infile; + char buf[256]; + + /* open progressbar */ + snprintf(buf, sizeof(buf), PROGRESS_SAVING_FAX); + xsane.progress = xsane_progress_new(PROGRESS_CONVERTING_DATA, buf, (GtkSignalFunc) xsane_cancel_save, 0); + xsane_progress_update(xsane.progress, 0); + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + + infile = fopen(xsane.dummy_filename, "r"); + if (infile != 0) + { + fseek(infile, xsane.header_size, SEEK_SET); + + umask(preferences.image_umask); /* define image file permissions */ + outfile = fopen(xsane.fax_filename, "w"); + umask(XSANE_DEFAULT_UMASK); /* define new file permissions */ + if (outfile != 0) + { + float imagewidth, imageheight; + + imagewidth = xsane.param.pixels_per_line/xsane.resolution_x; /* width in inch */ + imageheight = xsane.param.lines/xsane.resolution_y; /* height in inch */ + +/* disabled ( 0 * ...) in the moment */ + if (0 * preferences.psrotate) /* rotate: landscape */ + { + xsane_save_ps(outfile, infile, + xsane.xsane_color /* gray, color */, + xsane.param.depth /* bits */, + xsane.param.pixels_per_line, xsane.param.lines, /* pixel_width, pixel_height */ + (preferences.fax_bottomoffset + preferences.fax_height) * 36.0/MM_PER_INCH - imagewidth * 36.0, /* left edge */ + (preferences.fax_leftoffset + preferences.fax_width) * 36.0/MM_PER_INCH - imageheight * 36.0, /* bottom edge */ + imagewidth, imageheight, + (preferences.fax_leftoffset + preferences.fax_width ) * 72.0/MM_PER_INCH, /* paperwidth */ + (preferences.fax_bottomoffset + preferences.fax_height) * 72.0/MM_PER_INCH, /* paperheight */ + 1 /* landscape */); + } + else /* do not rotate: portrait */ + { + xsane_save_ps(outfile, infile, + xsane.xsane_color /* gray, color */, + xsane.param.depth /* bits */, + xsane.param.pixels_per_line, xsane.param.lines, /* pixel_width, pixel_height */ + (preferences.fax_leftoffset + preferences.fax_width) * 36.0/MM_PER_INCH - imagewidth * 36.0, + (preferences.fax_bottomoffset + preferences.fax_height) * 36.0/MM_PER_INCH - imageheight * 36.0, + imagewidth, imageheight, + (preferences.fax_leftoffset + preferences.fax_width ) * 72.0/MM_PER_INCH, /* paperwidth */ + (preferences.fax_bottomoffset + preferences.fax_height) * 72.0/MM_PER_INCH, /* paperheight */ + 0 /* portrait */); + } + fclose(outfile); + } + else + { + char buf[256]; + + snprintf(buf, sizeof(buf), "%s `%s': %s", ERR_OPEN_FAILED, xsane.fax_filename, strerror(errno)); + xsane_back_gtk_error(buf, TRUE); + } + + fclose(infile); + remove(xsane.dummy_filename); + } + else + { + char buf[256]; + snprintf(buf, sizeof(buf), "%s `%s': %s", ERR_OPEN_FAILED, xsane.fax_filename, strerror(errno)); + xsane_back_gtk_error(buf, TRUE); + } + xsane_progress_free(xsane.progress); + xsane.progress = 0; + + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + } + } +#ifdef HAVE_LIBGIMP_GIMP_H + else + { + int remaining; + + /* GIMP mode */ + if (xsane.y > xsane.param.lines) + { + xsane.y = xsane.param.lines; + } + + remaining = xsane.y % gimp_tile_height(); + if (remaining) + { + gimp_pixel_rgn_set_rect(&xsane.region, xsane.tile, 0, xsane.y - remaining, xsane.param.pixels_per_line, remaining); + } + gimp_drawable_flush(xsane.drawable); + gimp_display_new(xsane.image_ID); + gimp_drawable_detach(xsane.drawable); + free(xsane.tile); + xsane.tile = 0; + } +#endif /* HAVE_LIBGIMP_GIMP_H */ + + xsane.header_size = 0; + + if ( (preferences.increase_filename_counter) && (xsane.xsane_mode == XSANE_SCAN) && (xsane.mode == XSANE_STANDALONE) ) + { + xsane_increase_counter_in_filename(preferences.filename, preferences.skip_existing_numbers); + gtk_entry_set_text(GTK_ENTRY(xsane.outputfilename_entry), (char *) preferences.filename); + } + else if (xsane.xsane_mode == XSANE_FAX) + { + GtkWidget *list_item; + char *page; + char *extension; + + page = strdup(strrchr(xsane.fax_filename,'/')+1); + extension = strrchr(page, '.'); + if (extension) + { + *extension = 0; + } + list_item = gtk_list_item_new_with_label(page); + gtk_object_set_data(GTK_OBJECT(list_item), "list_item_data", strdup(page)); + gtk_container_add(GTK_CONTAINER(xsane.fax_list), list_item); + gtk_widget_show(list_item); + + xsane_increase_counter_in_filename(xsane.fax_filename, preferences.skip_existing_numbers); + xsane_fax_project_save(); + free(page); + } + } + else /* an error occured, remove the dummy_file */ + { + if (xsane.dummy_filename) /* remove corrupt file */ + { + remove(xsane.dummy_filename); + } + } + + free(xsane.dummy_filename); /* no dummy_filename, needed if an error occurs */ + xsane.dummy_filename = 0; + + if (xsane.output_filename) + { + free(xsane.output_filename); + xsane.output_filename = 0; + } + + if ( ( (status == SANE_STATUS_GOOD) || (status == SANE_STATUS_EOF) ) && (xsane_test_multi_scan()) ) + { + /* multi scan (eg ADF): scan again */ + /* stopped when: */ + /* a) xsane_test_multi_scan returns false */ + /* b) sane_start returns SANE_STATUS_NO_DOCS */ + /* c) an error occurs */ + + gtk_signal_emit_by_name(xsane.start_button, "clicked"); /* press START button */ + } + else /* last scan: update histogram */ + { + xsane_set_sensitivity(TRUE); /* reactivate buttons etc */ + sane_cancel(xsane_back_gtk_dialog_get_device(dialog)); /* stop scanning */ + xsane_update_histogram(); + } +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +void xsane_cancel(void) +{ + sane_cancel(xsane_back_gtk_dialog_get_device(dialog)); +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +static void xsane_start_scan(void) +{ + SANE_Status status; + SANE_Handle dev = xsane_back_gtk_dialog_get_device(dialog); + const char *frame_type = 0; + char buf[256]; + int fd; + + xsane_clear_histogram(&xsane.histogram_raw); + xsane_clear_histogram(&xsane.histogram_enh); + xsane_set_sensitivity(FALSE); + +#ifdef HAVE_LIBGIMP_GIMP_H + if (xsane.mode == XSANE_GIMP_EXTENSION && xsane.tile) + { + int height, remaining; + + /* write the last tile of the frame to the GIMP region: */ + + if (xsane.y > xsane.param.lines) /* sanity check */ + { + xsane.y = xsane.param.lines; + } + + remaining = xsane.y % gimp_tile_height(); + if (remaining) + { + gimp_pixel_rgn_set_rect(&xsane.region, xsane.tile, 0, xsane.y - remaining, xsane.param.pixels_per_line, remaining); + } + + /* initialize the tile with the first tile of the GIMP region: */ + + height = gimp_tile_height(); + if (height >= xsane.param.lines) + { + height = xsane.param.lines; + } + gimp_pixel_rgn_get_rect(&xsane.region, xsane.tile, 0, 0, xsane.param.pixels_per_line, height); + } +#endif /* HAVE_LIBGIMP_GIMP_H */ + + xsane.x = xsane.y = 0; + + status = sane_start(dev); + + if (status == SANE_STATUS_NO_DOCS) /* ADF out of docs */ + { + xsane_scan_done(status); /* ok, stop multi image scan */ + return; + } + else if (status != SANE_STATUS_GOOD) /* error */ + { + xsane_scan_done(status); + snprintf(buf, sizeof(buf), "%s %s", ERR_FAILED_START_SCANNER, XSANE_STRSTATUS(status)); + xsane_back_gtk_error(buf, TRUE); + return; + } + + status = sane_get_parameters(dev, &xsane.param); + if (status != SANE_STATUS_GOOD) + { + xsane_scan_done(status); + snprintf(buf, sizeof(buf), "%s %s", ERR_FAILED_GET_PARAMS, XSANE_STRSTATUS(status)); + xsane_back_gtk_error(buf, TRUE); + return; + } + + xsane.num_bytes = xsane.param.lines * xsane.param.bytes_per_line; + xsane.bytes_read = 0; + + switch (xsane.param.format) + { + case SANE_FRAME_RGB: frame_type = "RGB"; break; + case SANE_FRAME_RED: frame_type = "red"; break; + case SANE_FRAME_GREEN: frame_type = "green"; break; + case SANE_FRAME_BLUE: frame_type = "blue"; break; + case SANE_FRAME_GRAY: frame_type = "gray"; break; +#ifdef SUPPORT_RGBA + case SANE_FRAME_RGBA: frame_type = "RGBA"; break; +#endif + default: frame_type = "unknown"; break; + } + + if (xsane.mode == XSANE_STANDALONE) + { /* We are running in standalone mode */ + if (xsane_generate_dummy_filename()) /* create filename the scanned data is saved to */ + { + /* temporary file */ + umask(0177); /* creare temporary file with "-rw-------" permissions */ + } + else + { + /* no temporary file */ + umask(preferences.image_umask); /* define image file permissions */ + } + + if (!xsane.header_size) /* first pass of multi pass scan */ + { + remove(xsane.dummy_filename); /* remove existing file */ + xsane.out = fopen(xsane.dummy_filename, "w"); + umask(XSANE_DEFAULT_UMASK); /* define new file permissions */ + + if (!xsane.out) /* error while opening the dummy_file for writing */ + { + xsane_scan_done(-1); /* -1 = error */ + snprintf(buf, sizeof(buf), "%s `%s': %s", ERR_OPEN_FAILED, xsane.output_filename, strerror(errno)); + xsane_back_gtk_error(buf, TRUE); + return; + } + + switch (xsane.param.format) + { + case SANE_FRAME_RGB: + case SANE_FRAME_RED: + case SANE_FRAME_GREEN: + case SANE_FRAME_BLUE: + switch (xsane.param.depth) + { + case 8: /* color 8 bit mode, write ppm header */ + fprintf(xsane.out, "P6\n# SANE data follows\n%d %d\n255\n", xsane.param.pixels_per_line, xsane.param.lines); + break; + + default: /* color, but not 8 bit mode, write as raw data because this is not defined in pnm */ + fprintf(xsane.out, "SANE_RGB_RAW\n%d %d\n65535\n", xsane.param.pixels_per_line, xsane.param.lines); + break; + } + break; + + case SANE_FRAME_GRAY: + switch (xsane.param.depth) + { + case 1: /* 1 bit lineart mode, write pbm header */ + fprintf(xsane.out, "P4\n# SANE data follows\n%d %d\n", xsane.param.pixels_per_line, xsane.param.lines); + break; + + case 8: /* 8 bit grayscale mode, write pgm header */ + fprintf(xsane.out, "P5\n# SANE data follows\n%d %d\n255\n", xsane.param.pixels_per_line, xsane.param.lines); + break; + + default: /* grayscale mode but not 1 or 8 bit, write as raw data because this is not defined in pnm */ + fprintf(xsane.out, "SANE_GRAYSCALE_RAW\n%d %d\n65535\n", xsane.param.pixels_per_line, xsane.param.lines); + break; + } + break; + +#ifdef SUPPORT_RGBA + case SANE_FRAME_RGBA: + switch (xsane.param.depth) + { + case 8: /* 8 bit RGBA mode */ + fprintf(xsane.out, "SANE_RGBA\n%d %d\n255\n", xsane.param.pixels_per_line, xsane.param.lines); + break; + + default: /* 16 bit RGBA mode */ + fprintf(xsane.out, "SANE_RGBA\n%d %d\n65535\n", xsane.param.pixels_per_line, xsane.param.lines); + break; + } + break; +#endif + + default: + /* unknown file format, do not write header */ + break; + } + fflush(xsane.out); + xsane.header_size = ftell(xsane.out); + } + + if (xsane.param.format >= SANE_FRAME_RED && xsane.param.format <= SANE_FRAME_BLUE) + { + fseek(xsane.out, xsane.header_size + xsane.param.format - SANE_FRAME_RED, SEEK_SET); + } + + if (xsane.xsane_mode == XSANE_SCAN) + { + snprintf(buf, sizeof(buf), PROGRESS_RECEIVING_SCAN, _(frame_type), xsane.output_filename); + } + else if (xsane.xsane_mode == XSANE_COPY) + { + snprintf(buf, sizeof(buf), PROGRESS_RECEIVING_COPY, _(frame_type)); + } + else if (xsane.xsane_mode == XSANE_FAX) + { + snprintf(buf, sizeof(buf), PROGRESS_RECEIVING_FAX, _(frame_type)); + } + } +#ifdef HAVE_LIBGIMP_GIMP_H + else + { + size_t tile_size; + + /* We are running under the GIMP */ + + xsane.tile_offset = 0; + tile_size = xsane.param.pixels_per_line * gimp_tile_height(); + + switch(xsane.param.format) + { + case SANE_FRAME_RGB: + case SANE_FRAME_RED: + case SANE_FRAME_BLUE: + case SANE_FRAME_GREEN: + tile_size *= 3; /* 24 bits/pixel RGB */ + break; +#ifdef SUPPORT_RGBA + case SANE_FRAME_RGBA: + tile_size *= 4; /* 32 bits/pixel RGBA */ + break; +#endif + default: + break; + } + + if (xsane.tile) + { + xsane.first_frame = 0; + } + else + { + GImageType image_type = RGB; + GDrawableType drawable_type = RGB_IMAGE; + gint32 layer_ID; + + if (xsane.param.format == SANE_FRAME_GRAY) + { + image_type = GRAY; + drawable_type = GRAY_IMAGE; + } +#ifdef SUPPORT_RGBA + else if (xsane.param.format == SANE_FRAME_RGBA) + { + image_type = RGB; + drawable_type = RGBA_IMAGE; /* interpret infrared as alpha */ + } +#endif + + + xsane.image_ID = gimp_image_new(xsane.param.pixels_per_line, xsane.param.lines, image_type); + +/* the following is supported since gimp-1.1.? */ +#ifdef GIMP_HAVE_RESOLUTION_INFO + if (xsane.resolution_x > 0) + { + gimp_image_set_resolution(xsane.image_ID, xsane.resolution_x ,xsane.resolution_y); + } +/* gimp_image_set_unit(xsane.image_ID, unit?); */ +#endif + + layer_ID = gimp_layer_new(xsane.image_ID, "Background", + xsane.param.pixels_per_line, + xsane.param.lines, + drawable_type, 100, NORMAL_MODE); + gimp_image_add_layer(xsane.image_ID, layer_ID, 0); + + xsane.drawable = gimp_drawable_get(layer_ID); + gimp_pixel_rgn_init(&xsane.region, xsane.drawable, 0, 0, + xsane.drawable->width, + xsane.drawable->height, TRUE, FALSE); + xsane.tile = g_new(guchar, tile_size); + xsane.first_frame = 1; + } + + if (xsane.param.format >= SANE_FRAME_RED && xsane.param.format <= SANE_FRAME_BLUE) + { + xsane.tile_offset = xsane.param.format - SANE_FRAME_RED; + } + + snprintf(buf, sizeof(buf), PROGRESS_RECEIVING_GIMP, _(frame_type)); + } +#endif /* HAVE_LIBGIMP_GIMP_H */ + + dialog->pixelcolor = 0; + + if (xsane.progress) + { + xsane_progress_free(xsane.progress); + } + xsane.progress = xsane_progress_new(PROGRESS_SCANNING, buf, (GtkSignalFunc) xsane_cancel, 0); + + xsane.input_tag = -1; + + if (sane_set_io_mode(dev, SANE_TRUE) == SANE_STATUS_GOOD && sane_get_select_fd(dev, &fd) == SANE_STATUS_GOOD) + { + xsane.input_tag = gdk_input_add(fd, GDK_INPUT_READ, xsane_read_image_data, 0); + } + else + { + xsane_read_image_data(0, -1, GDK_INPUT_READ); + } +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + +/* Invoked when the scan button is pressed */ +/* or by scan_done if automatic document feeder is selected */ +void xsane_scan_dialog(GtkWidget * widget, gpointer call_data) +{ + char buf[256]; + + sane_get_parameters(dialog->dev, &xsane.param); /* update xsane.param */ + + if (xsane.output_filename) + { + free(xsane.output_filename); + xsane.output_filename = 0; + } + + if (xsane.filetype) + { + char buffer[256]; + + snprintf(buffer, sizeof(buffer), "%s%s", preferences.filename, xsane.filetype); + xsane.output_filename = strdup(buffer); + } + else + { + xsane.output_filename = strdup(preferences.filename); + } + + if (xsane.mode == XSANE_STANDALONE) /* We are running in standalone mode */ + { + char *extension; + + if ( (xsane.xsane_mode == XSANE_SCAN) && (preferences.overwrite_warning) ) /* test if filename already used */ + { + FILE *testfile; + + testfile = fopen(xsane.output_filename, "r"); + if (testfile) /* filename used: skip */ + { + char buf[256]; + + fclose(testfile); + snprintf(buf, sizeof(buf), "File %s already exists\n", xsane.output_filename); + if (xsane_back_gtk_decision(ERR_HEADER_WARNING, (gchar **) warning_xpm, buf, BUTTON_OVERWRITE, BUTTON_CANCEL, TRUE /* wait */) == FALSE) + { + return; + } + } + } + + + extension = strrchr(xsane.output_filename, '.'); + if (extension) + { + extension++; /* skip "." */ + } + + xsane.xsane_output_format = XSANE_UNKNOWN; + + if (xsane.param.depth <= 8) + { + if (extension) + { + if ( (!strcasecmp(extension, "pnm")) || (!strcasecmp(extension, "ppm")) || + (!strcasecmp(extension, "pgm")) || (!strcasecmp(extension, "pbm")) ) + { + xsane.xsane_output_format = XSANE_PNM; + } +#ifdef HAVE_LIBPNG +#ifdef HAVE_LIBZ + else if (!strcasecmp(extension, "png")) + { + xsane.xsane_output_format = XSANE_PNG; + } +#endif +#endif +#ifdef HAVE_LIBJPEG + else if ( (!strcasecmp(extension, "jpg")) || (!strcasecmp(extension, "jpeg")) ) + { + xsane.xsane_output_format = XSANE_JPEG; + } +#endif + else if (!strcasecmp(extension, "ps")) + { + xsane.xsane_output_format = XSANE_PS; + } +#ifdef HAVE_LIBTIFF + else if ( (!strcasecmp(extension, "tif")) || (!strcasecmp(extension, "tiff")) ) + { + xsane.xsane_output_format = XSANE_TIFF; + } +#endif +#ifdef SUPPORT_RGBA + else if (!strcasecmp(extension, "rgba")) + { + xsane.xsane_output_format = XSANE_RGBA; + } +#endif + } + } + else /* depth >8 bpp */ + { + if (extension) + { + if (!strcasecmp(extension, "raw")) + { + xsane.xsane_output_format = XSANE_RAW16; + } + else if ( (!strcasecmp(extension, "pnm")) || (!strcasecmp(extension, "ppm")) || + (!strcasecmp(extension, "pgm")) || (!strcasecmp(extension, "pbm")) ) + { + xsane.xsane_output_format = XSANE_PNM16; + } +#ifdef HAVE_LIBPNG +#ifdef HAVE_LIBZ + else if (!strcasecmp(extension, "png")) + { + xsane.xsane_output_format = XSANE_PNG; + } +#endif +#endif +#ifdef SUPPORT_RGBA + else if (!strcasecmp(extension, "rgba")) + { + xsane.xsane_output_format = XSANE_RGBA; + } +#endif + } + } + + if (xsane.xsane_mode == XSANE_SCAN) + { + if (xsane.xsane_output_format == XSANE_UNKNOWN) + { + if (extension) + { + snprintf(buf, sizeof(buf), "Unsupported %d-bit output format: %s", xsane.param.depth, extension); + } + else + { + snprintf(buf, sizeof(buf), "%s", ERR_NO_OUTPUT_FORMAT); + } + xsane_back_gtk_error(buf, TRUE); + return; + } +#ifdef SUPPORT_RGBA + else if ((xsane.xsane_output_format == XSANE_RGBA) && (xsane.param.format != SANE_FRAME_RGBA)) + { + snprintf(buf, sizeof(buf), "No RGBA data format !!!"); /* user selected output format RGBA, scanner uses other format */ + xsane_back_gtk_error(buf, TRUE); + return; + } +#endif + } +#ifdef SUPPORT_RGBA + else if (xsane.param.format == SANE_FRAME_RGBA) /* no scanmode but format=rgba */ + { + snprintf(buf, sizeof(buf), "Special format RGBA only supported in scan mode !!!"); + xsane_back_gtk_error(buf, TRUE); + return; + } +#endif + +#ifdef SUPPORT_RGBA + if (xsane.param.format == SANE_FRAME_RGBA) + { + if ( (xsane.xsane_output_format != XSANE_RGBA) && (xsane.xsane_output_format != XSANE_PNG) ) + { + snprintf(buf, sizeof(buf), "Image data of type SANE_FRAME_RGBA\ncan only be saved in rgba or png format"); + xsane_back_gtk_error(buf, TRUE); + return; + } + } +#endif + + if (xsane.xsane_mode == XSANE_FAX) + { + mkdir(preferences.fax_project, 7*64 + 0*8 + 0); + } + } +#ifdef HAVE_LIBGIMP_GIMP_H + else /* We are running in gimp mode */ + { + if ((xsane.param.depth != 1) && (xsane.param.depth != 8)) /* not support bit depth ? */ + { + snprintf(buf, sizeof(buf), "%s %d.", ERR_GIMP_BAD_DEPTH, xsane.param.depth); + xsane_back_gtk_error(buf, TRUE); + return; + } + } +#endif + + if (xsane.dummy_filename) /* no dummy filename defined - necessary if an error occurs */ + { + free(xsane.dummy_filename); + xsane.dummy_filename = 0; + } + + if (xsane.param.depth > 1) /* if depth > 1 use gamma correction */ + { + int size; + int gamma_gray_size, gamma_red_size, gamma_green_size, gamma_blue_size; + int gamma_gray_max, gamma_red_max, gamma_green_max, gamma_blue_max; + const SANE_Option_Descriptor *opt; + + size = (int) pow(2, xsane.param.depth); + gamma_gray_size = size; + gamma_red_size = size; + gamma_green_size = size; + gamma_blue_size = size; + + size--; + gamma_gray_max = size; + gamma_red_max = size; + gamma_green_max = size; + gamma_blue_max = size; + + if (xsane.scanner_gamma_gray) /* gamma table for gray available */ + { + opt = sane_get_option_descriptor(dialog->dev, dialog->well_known.gamma_vector); + gamma_gray_size = opt->size / sizeof(opt->type); + gamma_gray_max = opt->constraint.range->max; + } + + if (xsane.scanner_gamma_color) /* gamma table for red, green and blue available */ + { + double gamma_red, gamma_green, gamma_blue; + + /* ok, scanner color gamma function is supported, so we do all conversions about that */ + /* we do not need any gamma tables while scanning, so we can free them after sending */ + /* the data to the scanner */ + + /* if also gray gamma function is supported, set this to 1.0 to get the right colors */ + if (xsane.scanner_gamma_gray) + { + xsane.gamma_data = malloc(gamma_gray_size * sizeof(SANE_Int)); + xsane_create_gamma_curve(xsane.gamma_data, 0, 1.0, 0.0, 0.0, gamma_gray_size, gamma_gray_max); + xsane_back_gtk_update_vector(dialog, dialog->well_known.gamma_vector, xsane.gamma_data); + free(xsane.gamma_data); + xsane.gamma_data = 0; + } + + opt = sane_get_option_descriptor(dialog->dev, dialog->well_known.gamma_vector_r); + gamma_red_size = opt->size / sizeof(opt->type); + gamma_red_max = opt->constraint.range->max; + + opt = sane_get_option_descriptor(dialog->dev, dialog->well_known.gamma_vector_g); + gamma_green_size = opt->size / sizeof(opt->type); + gamma_green_max = opt->constraint.range->max; + + opt = sane_get_option_descriptor(dialog->dev, dialog->well_known.gamma_vector_b); + gamma_blue_size = opt->size / sizeof(opt->type); + gamma_blue_max = opt->constraint.range->max; + + xsane.gamma_data_red = malloc(gamma_red_size * sizeof(SANE_Int)); + xsane.gamma_data_green = malloc(gamma_green_size * sizeof(SANE_Int)); + xsane.gamma_data_blue = malloc(gamma_blue_size * sizeof(SANE_Int)); + + if (xsane.xsane_mode == XSANE_COPY) + { + gamma_red = xsane.gamma * xsane.gamma_red * preferences.printer[preferences.printernr]->gamma * preferences.printer[preferences.printernr]->gamma_red; + gamma_green = xsane.gamma * xsane.gamma_green * preferences.printer[preferences.printernr]->gamma * preferences.printer[preferences.printernr]->gamma_green; + gamma_blue = xsane.gamma * xsane.gamma_blue * preferences.printer[preferences.printernr]->gamma * preferences.printer[preferences.printernr]->gamma_blue; + } + else + { + gamma_red = xsane.gamma * xsane.gamma_red; + gamma_green = xsane.gamma * xsane.gamma_green; + gamma_blue = xsane.gamma * xsane.gamma_blue; + } + + xsane_create_gamma_curve(xsane.gamma_data_red, xsane.negative, + gamma_red, + xsane.brightness + xsane.brightness_red, + xsane.contrast + xsane.contrast_red, gamma_red_size, gamma_red_max); + + xsane_create_gamma_curve(xsane.gamma_data_green, xsane.negative, + gamma_green, + xsane.brightness + xsane.brightness_green, + xsane.contrast + xsane.contrast_green, gamma_green_size, gamma_green_max); + + xsane_create_gamma_curve(xsane.gamma_data_blue, xsane.negative, + gamma_blue, + xsane.brightness + xsane.brightness_blue, + xsane.contrast + xsane.contrast_blue , gamma_blue_size, gamma_blue_max); + + xsane_back_gtk_update_vector(dialog, dialog->well_known.gamma_vector_r, xsane.gamma_data_red); + xsane_back_gtk_update_vector(dialog, dialog->well_known.gamma_vector_g, xsane.gamma_data_green); + xsane_back_gtk_update_vector(dialog, dialog->well_known.gamma_vector_b, xsane.gamma_data_blue); + + free(xsane.gamma_data_red); + free(xsane.gamma_data_green); + free(xsane.gamma_data_blue); + + xsane.gamma_data_red = 0; + xsane.gamma_data_green = 0; + xsane.gamma_data_blue = 0; + } + else if (xsane.scanner_gamma_gray) /* only scanner gray gamma function available */ + { + double gamma; + /* ok, the scanner only supports gray gamma function */ + /* if we are doing a grayscale scan everyting is ok, */ + /* for a color scan the software has to do the gamma correction set by the component slider */ + + if (xsane.xsane_mode == XSANE_COPY) + { + gamma = xsane.gamma * preferences.printer[preferences.printernr]->gamma; + } + else + { + gamma = xsane.gamma; + } + + xsane.gamma_data = malloc(gamma_gray_size * sizeof(SANE_Int)); + xsane_create_gamma_curve(xsane.gamma_data, xsane.negative, + gamma, xsane.brightness, xsane.contrast, + gamma_gray_size, gamma_gray_max); + + xsane_back_gtk_update_vector(dialog, dialog->well_known.gamma_vector, xsane.gamma_data); + free(xsane.gamma_data); + xsane.gamma_data = 0; + + if (xsane.xsane_color) /* ok, we are doing a colorscan */ + { + /* we have to create color gamma table for software conversion */ + /* but we only have to use color slider values, because gray slider value */ + /* is used by scanner gray gamma */ + + double gamma_red, gamma_green, gamma_blue; + + xsane.gamma_data_red = malloc(gamma_red_size * sizeof(SANE_Int)); + xsane.gamma_data_green = malloc(gamma_green_size * sizeof(SANE_Int)); + xsane.gamma_data_blue = malloc(gamma_blue_size * sizeof(SANE_Int)); + + if (xsane.xsane_mode == XSANE_COPY) + { + gamma_red = xsane.gamma_red * preferences.printer[preferences.printernr]->gamma_red; + gamma_green = xsane.gamma_green * preferences.printer[preferences.printernr]->gamma_green; + gamma_blue = xsane.gamma_blue * preferences.printer[preferences.printernr]->gamma_blue; + } + else + { + gamma_red = xsane.gamma_red; + gamma_green = xsane.gamma_green; + gamma_blue = xsane.gamma_blue; + } + + xsane_create_gamma_curve(xsane.gamma_data_red, 0, + gamma_red, xsane.brightness_red, xsane.contrast_red, + gamma_red_size, gamma_red_max); + + xsane_create_gamma_curve(xsane.gamma_data_green, 0, + gamma_green, xsane.brightness_green, xsane.contrast_green, + gamma_green_size, gamma_green_max); + + xsane_create_gamma_curve(xsane.gamma_data_blue, 0, + gamma_blue, xsane.brightness_blue, xsane.contrast_blue, + gamma_blue_size, gamma_blue_max); + + /* gamma tables are freed after scan */ + } + + } + else /* scanner does not support any gamma correction */ + { + /* ok, we have to do it on our own */ + + if (xsane.xsane_color == 0) /* no color scan */ + { + double gamma; + + if (xsane.xsane_mode == XSANE_COPY) + { + gamma = xsane.gamma * preferences.printer[preferences.printernr]->gamma; + } + else + { + gamma = xsane.gamma; + } + + xsane.gamma_data = malloc(gamma_gray_size * sizeof(SANE_Int)); + xsane_create_gamma_curve(xsane.gamma_data, xsane.negative, + gamma, xsane.brightness, xsane.contrast, + gamma_gray_size, gamma_gray_max); + + /* gamma table is freed after scan */ + } + else /* color scan */ + { + double gamma_red, gamma_green, gamma_blue; + /* ok, we have to combin gray and color slider values */ + + xsane.gamma_data_red = malloc(gamma_red_size * sizeof(SANE_Int)); + xsane.gamma_data_green = malloc(gamma_green_size * sizeof(SANE_Int)); + xsane.gamma_data_blue = malloc(gamma_blue_size * sizeof(SANE_Int)); + + if (xsane.xsane_mode == XSANE_COPY) + { + gamma_red = xsane.gamma * xsane.gamma_red * preferences.printer[preferences.printernr]->gamma * preferences.printer[preferences.printernr]->gamma_red; + gamma_green = xsane.gamma * xsane.gamma_green * preferences.printer[preferences.printernr]->gamma * preferences.printer[preferences.printernr]->gamma_green; + gamma_blue = xsane.gamma * xsane.gamma_blue * preferences.printer[preferences.printernr]->gamma * preferences.printer[preferences.printernr]->gamma_blue; + } + else + { + gamma_red = xsane.gamma * xsane.gamma_red; + gamma_green = xsane.gamma * xsane.gamma_green; + gamma_blue = xsane.gamma * xsane.gamma_blue; + } + + xsane_create_gamma_curve(xsane.gamma_data_red, xsane.negative, + gamma_red, + xsane.brightness + xsane.brightness_red, + xsane.contrast + xsane.contrast_red, gamma_red_size, gamma_red_max); + + xsane_create_gamma_curve(xsane.gamma_data_green, xsane.negative, + gamma_green, + xsane.brightness + xsane.brightness_green, + xsane.contrast + xsane.contrast_green, gamma_green_size, gamma_green_max); + + xsane_create_gamma_curve(xsane.gamma_data_blue, xsane.negative, + gamma_blue, + xsane.brightness + xsane.brightness_blue, + xsane.contrast + xsane.contrast_blue , gamma_blue_size, gamma_blue_max); + + /* gamma tables are freed after scan */ + } + + } + } + + while (gtk_events_pending()) + { + gtk_main_iteration(); + } + + xsane_start_scan(); +} + +/* ---------------------------------------------------------------------------------------------------------------------- */ + -- cgit v1.2.3