/* xsane -- a graphical (X11, gtk) scanner-oriented SANE frontend xsane-viewer.c Oliver Rauch 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. */ /* ---------------------------------------------------------------------------------------------------------------------- */ #include "xsane.h" /* #include */ #include "xsane-back-gtk.h" #include "xsane-front-gtk.h" #include "xsane-preferences.h" #include "xsane-viewer.h" #include "xsane-gamma.h" #include "xsane-icons.h" #include "xsane-save.h" #include #include #ifndef PATH_MAX # define PATH_MAX 1024 #endif /* ---------------------------------------------------------------------------------------------------------------------- */ static int xsane_viewer_zoom[] = {35, 50, 71, 100, 141, 200, 282, 400 }; #define XSANE_VIEWER_ZOOM_ITEMS 8 /* ---------------------------------------------------------------------------------------------------------------------- */ static gint xsane_viewer_close_callback(GtkWidget *window, gpointer data); static void xsane_viewer_dialog_cancel(GtkWidget *window, gpointer data); static void xsane_viewer_save_callback(GtkWidget *window, gpointer data); static void xsane_viewer_ocr_callback(GtkWidget *window, gpointer data); static void xsane_viewer_clone_callback(GtkWidget *window, gpointer data); static void xsane_viewer_despeckle_callback(GtkWidget *window, gpointer data); static void xsane_viewer_blur_callback(GtkWidget *window, gpointer data); static void xsane_viewer_scale_image(GtkWidget *window, gpointer data); static void xsane_viewer_despeckle_image(GtkWidget *window, gpointer data); static void xsane_viewer_blur_image(GtkWidget *window, gpointer data); static void xsane_viewer_rotate(Viewer *v, int rotation); static void xsane_viewer_rotate90_callback(GtkWidget *window, gpointer data); static void xsane_viewer_rotate180_callback(GtkWidget *window, gpointer data); static void xsane_viewer_rotate270_callback(GtkWidget *window, gpointer data); static void xsane_viewer_mirror_x_callback(GtkWidget *window, gpointer data); static void xsane_viewer_mirror_y_callback(GtkWidget *window, gpointer data); static GtkWidget *xsane_viewer_files_build_menu(Viewer *v); static GtkWidget *xsane_viewer_filters_build_menu(Viewer *v); static int xsane_viewer_read_image(Viewer *v); Viewer *xsane_viewer_new(char *filename, int reduce_to_lineart, char *output_filename); /* ---------------------------------------------------------------------------------------------------------------------- */ static gint xsane_viewer_close_callback(GtkWidget *widget, gpointer data) { Viewer *v, *list, **prev_list; v = (Viewer*) gtk_object_get_data(GTK_OBJECT(widget), "Viewer"); DBG(DBG_proc, "xsane_viewer_close_callback\n"); if (!v->image_saved) { char buf[256]; snprintf(buf, sizeof(buf), WARN_VIEWER_IMAGE_NOT_SAVED); if (xsane_back_gtk_decision(ERR_HEADER_WARNING, (gchar **) warning_xpm, buf, BUTTON_DO_NOT_CLOSE, BUTTON_DISCARD_IMAGE, TRUE /* wait */)) { return TRUE; } } remove(v->filename); gtk_widget_destroy(v->top); list = xsane.viewer_list; prev_list = &xsane.viewer_list; while (list) { if (list == v) { DBG(DBG_info, "removing viewer from viewer list\n"); *prev_list = list->next_viewer; break; } prev_list = &list->next_viewer; list = list->next_viewer; } free(v); return TRUE; } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_dialog_cancel(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_save_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; char outputfilename[1024]; char *inputfilename; char windowname[256]; int output_format; DBG(DBG_proc, "xsane_viewer_save_callback\n"); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); if (v->output_filename) { strncpy(outputfilename, v->output_filename, sizeof(outputfilename)); } else { int abort = 0; strcpy(outputfilename, preferences.filename); snprintf(windowname, sizeof(windowname), "%s %s %s", xsane.prog_name, WINDOW_VIEWER_OUTPUT_FILENAME, xsane.device_text); umask((mode_t) preferences.directory_umask); /* define new file permissions */ abort = xsane_back_gtk_get_filename(windowname, outputfilename, sizeof(outputfilename), outputfilename, TRUE, TRUE, FALSE); umask(XSANE_DEFAULT_UMASK); /* define new file permissions */ if (abort) { gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } } if (preferences.overwrite_warning) /* test if filename already used */ { FILE *testfile; testfile = fopen(outputfilename, "rb"); /* read binary (b for win32) */ if (testfile) /* filename used: skip */ { char buf[256]; fclose(testfile); snprintf(buf, sizeof(buf), WARN_FILE_EXISTS, outputfilename); if (xsane_back_gtk_decision(ERR_HEADER_WARNING, (gchar **) warning_xpm, buf, BUTTON_OVERWRITE, BUTTON_CANCEL, TRUE /* wait */) == FALSE) { gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } } } inputfilename = strdup(v->filename); output_format = xsane_identify_output_format(outputfilename, 0); if (v->reduce_to_lineart) /* reduce grayscale image to lineart before saving */ { char dummyfilename[1024]; if (output_format != XSANE_PNM) { xsane_back_gtk_make_path(sizeof(dummyfilename), dummyfilename, 0, 0, "xsane-viewer-", xsane.dev_name, ".ppm", XSANE_PATH_TMP); } else /* pbm: no further conversion, we save to destination filename */ { snprintf(dummyfilename, sizeof(dummyfilename), "%s", outputfilename); if (xsane_create_secure_file(dummyfilename)) /* remove possibly existing symbolic links for security */ { char buf[256]; snprintf(buf, sizeof(buf), "%s %s %s\n", ERR_DURING_SAVE, ERR_CREATE_SECURE_FILE, dummyfilename); xsane_back_gtk_error(buf, TRUE); return; /* error */ } } gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), PROGRESS_PACKING_DATA); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); /* the outputfile always is a temporary file, so we do not have to care about symlinks here */ xsane_save_image_as_lineart(v->filename, dummyfilename, v->progress_bar, &v->cancel_save); free(inputfilename); inputfilename = strdup(dummyfilename); } if ((!v->reduce_to_lineart) || (output_format != XSANE_PNM)) /* pbm already is saved above, otherwise save now */ { gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), PROGRESS_SAVING_DATA); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); xsane_save_image_as(inputfilename, outputfilename, output_format, v->progress_bar, &v->cancel_save); gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), ""); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); } free(inputfilename); v->image_saved = TRUE; gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_ocr_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; char outputfilename[1024]; char *extensionptr; char windowname[256]; char *arg[1000]; int argnr; pid_t pid; int abort = 0; int i; DBG(DBG_proc, "xsane_viewer_ocr_callback\n"); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); strncpy(outputfilename, preferences.filename, sizeof(outputfilename)-5); extensionptr = strchr(outputfilename, '.'); if (!extensionptr) { extensionptr=outputfilename + strlen(outputfilename); } strcpy(extensionptr, ".txt"); snprintf(windowname, sizeof(windowname), "%s %s %s", xsane.prog_name, WINDOW_OCR_OUTPUT_FILENAME, xsane.device_text); umask((mode_t) preferences.directory_umask); /* define new file permissions */ abort = xsane_back_gtk_get_filename(windowname, outputfilename, sizeof(outputfilename), outputfilename, TRUE, TRUE, FALSE); umask(XSANE_DEFAULT_UMASK); /* define new file permissions */ if (abort) { gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } argnr = xsane_parse_options(preferences.ocr_command, arg); arg[argnr++] = strdup(preferences.ocr_inputfile_option); arg[argnr++] = strdup(v->filename); arg[argnr++] = strdup(preferences.ocr_outputfile_option); arg[argnr++] = strdup(outputfilename); arg[argnr] = 0; pid = fork(); if (pid == 0) /* new process */ { DBG(DBG_info, "trying to change user id fo new subprocess:\n"); DBG(DBG_info, "old effective uid = %d\n", geteuid()); setuid(getuid()); DBG(DBG_info, "new effective uid = %d\n", geteuid()); execvp(arg[0], arg); /* does not return if successfully */ DBG(DBG_error, "%s %s\n", ERR_FAILED_EXEC_OCR_CMD, preferences.ocr_command); _exit(0); /* do not use exit() here! otherwise gtk gets in trouble */ } for (i=0; ibutton_box), TRUE); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_clone_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; FILE *outfile; FILE *infile; char outfilename[256]; Image_info image_info; DBG(DBG_proc, "xsane_viewer_clone_callback\n"); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); infile = fopen(v->filename, "rb"); if (!infile) { DBG(DBG_error, "could not load file %s\n", v->filename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } xsane_read_pnm_header(infile, &image_info); DBG(DBG_info, "cloning image %s with geometry: %d x %d x %d, %d colors\n", v->filename, image_info.image_width, image_info.image_height, image_info.depth, image_info.colors); xsane_back_gtk_make_path(sizeof(outfilename), outfilename, 0, 0, "xsane-viewer-", xsane.dev_name, ".ppm", XSANE_PATH_TMP); outfile = fopen(outfilename, "wb"); if (!outfile) { DBG(DBG_error, "could not save file %s\n", outfilename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), PROGRESS_CLONING_DATA); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); xsane_save_rotate_image(outfile, infile, &image_info, 0, v->progress_bar, &v->cancel_save); fclose(infile); fclose(outfile); gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), ""); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); xsane_viewer_new(outfilename, v->reduce_to_lineart, NULL); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_spinbutton_float_changed(GtkWidget *spinbutton, gpointer data) { float *val = (float *) data; *val = gtk_spin_button_get_value_as_float((GtkSpinButton *) spinbutton); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_spinbutton_int_changed(GtkWidget *spinbutton, gpointer data) { int *val = (int *) data; *val = gtk_spin_button_get_value_as_int((GtkSpinButton *) spinbutton); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_scale_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; GtkWidget *selection_dialog; GtkWidget *hbox, *vbox; GtkWidget *label, *spinbutton, *button; GtkAdjustment *adjustment; char buf[256]; DBG(DBG_proc, "xsane_viewer_scale_callback\n"); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); if (v->output_filename) { snprintf(buf, sizeof(buf), "%s: %s", WINDOW_SCALE, v->output_filename); } else { snprintf(buf, sizeof(buf), WINDOW_SCALE); } selection_dialog = gtk_window_new(GTK_WINDOW_DIALOG); gtk_window_set_position(GTK_WINDOW(selection_dialog), GTK_WIN_POS_MOUSE); gtk_window_set_title(GTK_WINDOW(selection_dialog), buf); xsane_set_window_icon(selection_dialog, 0); v->active_dialog = selection_dialog; vbox = gtk_vbox_new(FALSE, 5); gtk_container_add(GTK_CONTAINER(selection_dialog), vbox); gtk_widget_show(vbox); #if 0 /* bind scale */ button = gtk_check_button_new_with_label(BUTTON_SCALE_BIND); gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 5); gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE); gtk_widget_show(button); #endif /* x_scale factor: <-> */ v->x_scale_factor = 1.0; hbox = gtk_hbox_new(FALSE, 2); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 5); gtk_widget_show(hbox); label = gtk_label_new(TEXT_X_SCALE_FACTOR); gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 10); gtk_widget_show(label); adjustment = (GtkAdjustment *) gtk_adjustment_new(1.0, 0.01, 2.0, 0.01, 0.1, 0.0); spinbutton = gtk_spin_button_new(adjustment, 0, 2); gtk_signal_connect(GTK_OBJECT(spinbutton), "changed", (GtkSignalFunc) xsane_viewer_spinbutton_float_changed, (void *) &v->x_scale_factor); gtk_spin_button_set_wrap(GTK_SPIN_BUTTON(spinbutton), TRUE); gtk_spin_button_set_shadow_type(GTK_SPIN_BUTTON(spinbutton), GTK_SHADOW_OUT); gtk_box_pack_end(GTK_BOX(hbox), spinbutton, FALSE, FALSE, 10); gtk_widget_show(spinbutton); /* y_scale factor: <-> */ v->y_scale_factor = 1.0; hbox = gtk_hbox_new(FALSE, 2); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 5); gtk_widget_show(hbox); label = gtk_label_new(TEXT_Y_SCALE_FACTOR); gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 10); gtk_widget_show(label); adjustment = (GtkAdjustment *) gtk_adjustment_new(1.0, 0.01, 2.0, 0.01, 0.1, 0.0); spinbutton = gtk_spin_button_new(adjustment, 0, 2); gtk_signal_connect(GTK_OBJECT(spinbutton), "changed", (GtkSignalFunc) xsane_viewer_spinbutton_float_changed, (void *) &v->y_scale_factor); gtk_spin_button_set_wrap(GTK_SPIN_BUTTON(spinbutton), TRUE); gtk_spin_button_set_shadow_type(GTK_SPIN_BUTTON(spinbutton), GTK_SHADOW_OUT); gtk_box_pack_end(GTK_BOX(hbox), spinbutton, FALSE, FALSE, 10); gtk_widget_show(spinbutton); /* Apply Cancel */ hbox = gtk_hbox_new(FALSE, 0); gtk_container_set_border_width(GTK_CONTAINER(hbox), 4); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 2); gtk_widget_show(hbox); button = gtk_button_new_with_label(BUTTON_APPLY); GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT); gtk_signal_connect(GTK_OBJECT(button), "clicked", (GtkSignalFunc) xsane_viewer_scale_image, (void *) v); gtk_signal_connect_object(GTK_OBJECT(button), "clicked", (GtkSignalFunc) gtk_widget_destroy, (GtkObject *) selection_dialog); gtk_container_add(GTK_CONTAINER(hbox), button); gtk_widget_grab_default(button); gtk_widget_show(button); button = gtk_button_new_with_label(BUTTON_CANCEL); gtk_signal_connect(GTK_OBJECT(button), "clicked", (GtkSignalFunc) xsane_viewer_dialog_cancel, (void *) v); gtk_signal_connect_object(GTK_OBJECT(button), "clicked", (GtkSignalFunc) gtk_widget_destroy, (GtkObject *) selection_dialog); gtk_container_add(GTK_CONTAINER(hbox), button); gtk_widget_show(button); gtk_widget_show(selection_dialog); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_despeckle_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; GtkWidget *selection_dialog; GtkWidget *hbox, *vbox; GtkWidget *label, *spinbutton, *button; GtkAdjustment *adjustment; char buf[256]; DBG(DBG_proc, "xsane_viewer_despeckle_callback\n"); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); if (v->output_filename) { snprintf(buf, sizeof(buf), "%s: %s", WINDOW_DESPECKLE, v->output_filename); } else { snprintf(buf, sizeof(buf), WINDOW_DESPECKLE); } selection_dialog = gtk_window_new(GTK_WINDOW_DIALOG); gtk_window_set_position(GTK_WINDOW(selection_dialog), GTK_WIN_POS_MOUSE); gtk_window_set_title(GTK_WINDOW(selection_dialog), buf); xsane_set_window_icon(selection_dialog, 0); v->active_dialog = selection_dialog; vbox = gtk_vbox_new(FALSE, 5); gtk_container_add(GTK_CONTAINER(selection_dialog), vbox); gtk_widget_show(vbox); /* Despeckle radius: <-> */ v->filter_radius = 2; hbox = gtk_hbox_new(FALSE, 2); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 5); gtk_widget_show(hbox); label = gtk_label_new(TEXT_DESPECKLE_RADIUS); gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 10); gtk_widget_show(label); adjustment = (GtkAdjustment *) gtk_adjustment_new(2.0, 2.0, 10.0, 1.0, 5.0, 0.0); spinbutton = gtk_spin_button_new(adjustment, 0, 0); gtk_signal_connect(GTK_OBJECT(spinbutton), "changed", (GtkSignalFunc) xsane_viewer_spinbutton_int_changed, (void *) &v->filter_radius); gtk_spin_button_set_wrap(GTK_SPIN_BUTTON(spinbutton), TRUE); gtk_spin_button_set_shadow_type(GTK_SPIN_BUTTON(spinbutton), GTK_SHADOW_OUT); gtk_box_pack_end(GTK_BOX(hbox), spinbutton, FALSE, FALSE, 10); gtk_widget_show(spinbutton); /* Apply Cancel */ hbox = gtk_hbox_new(FALSE, 0); gtk_container_set_border_width(GTK_CONTAINER(hbox), 4); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 2); gtk_widget_show(hbox); button = gtk_button_new_with_label(BUTTON_APPLY); GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT); gtk_signal_connect(GTK_OBJECT(button), "clicked", (GtkSignalFunc) xsane_viewer_despeckle_image, (void *) v); gtk_signal_connect_object(GTK_OBJECT(button), "clicked", (GtkSignalFunc) gtk_widget_destroy, (GtkObject *) selection_dialog); gtk_container_add(GTK_CONTAINER(hbox), button); gtk_widget_grab_default(button); gtk_widget_show(button); button = gtk_button_new_with_label(BUTTON_CANCEL); gtk_signal_connect(GTK_OBJECT(button), "clicked", (GtkSignalFunc) xsane_viewer_dialog_cancel, (void *) v); gtk_signal_connect_object(GTK_OBJECT(button), "clicked", (GtkSignalFunc) gtk_widget_destroy, (GtkObject *) selection_dialog); gtk_container_add(GTK_CONTAINER(hbox), button); gtk_widget_show(button); gtk_widget_show(selection_dialog); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_blur_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; GtkWidget *selection_dialog; GtkWidget *hbox, *vbox; GtkWidget *label, *spinbutton, *button; GtkAdjustment *adjustment; char buf[256]; DBG(DBG_proc, "xsane_viewer_blur_callback\n"); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); if (v->output_filename) { snprintf(buf, sizeof(buf), "%s: %s", WINDOW_BLUR, v->output_filename); } else { snprintf(buf, sizeof(buf), WINDOW_BLUR); } selection_dialog = gtk_window_new(GTK_WINDOW_DIALOG); gtk_window_set_position(GTK_WINDOW(selection_dialog), GTK_WIN_POS_MOUSE); gtk_window_set_title(GTK_WINDOW(selection_dialog), buf); xsane_set_window_icon(selection_dialog, 0); v->active_dialog = selection_dialog; vbox = gtk_vbox_new(FALSE, 5); gtk_container_set_border_width(GTK_CONTAINER(vbox), 4); gtk_container_add(GTK_CONTAINER(selection_dialog), vbox); gtk_widget_show(vbox); /* Blur radius: <-> */ v->filter_radius = 2; hbox = gtk_hbox_new(FALSE, 2); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 5); gtk_widget_show(hbox); label = gtk_label_new(TEXT_BLUR_RADIUS); gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 10); gtk_widget_show(label); adjustment = (GtkAdjustment *) gtk_adjustment_new(2.0, 2.0, 20.0, 1.0, 5.0, 0.0); spinbutton = gtk_spin_button_new(adjustment, 0, 0); gtk_signal_connect(GTK_OBJECT(spinbutton), "changed", (GtkSignalFunc) xsane_viewer_spinbutton_int_changed, (void *) &v->filter_radius); gtk_spin_button_set_wrap(GTK_SPIN_BUTTON(spinbutton), TRUE); gtk_spin_button_set_shadow_type(GTK_SPIN_BUTTON(spinbutton), GTK_SHADOW_OUT); gtk_box_pack_end(GTK_BOX(hbox), spinbutton, FALSE, FALSE, 10); gtk_widget_show(spinbutton); /* Apply Cancel */ hbox = gtk_hbox_new(FALSE, 0); gtk_container_set_border_width(GTK_CONTAINER(hbox), 4); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 2); gtk_widget_show(hbox); button = gtk_button_new_with_label(BUTTON_APPLY); GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT); gtk_signal_connect(GTK_OBJECT(button), "clicked", (GtkSignalFunc) xsane_viewer_blur_image, (void *) v); gtk_container_add(GTK_CONTAINER(hbox), button); gtk_widget_grab_default(button); gtk_widget_show(button); button = gtk_button_new_with_label(BUTTON_CANCEL); gtk_signal_connect(GTK_OBJECT(button), "clicked", (GtkSignalFunc) xsane_viewer_dialog_cancel, (void *) v); gtk_signal_connect_object(GTK_OBJECT(button), "clicked", (GtkSignalFunc) gtk_widget_destroy, (GtkObject *) selection_dialog); gtk_container_add(GTK_CONTAINER(hbox), button); gtk_widget_show(button); gtk_widget_show(selection_dialog); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_scale_image(GtkWidget *window, gpointer data) { FILE *outfile; FILE *infile; char outfilename[256]; Viewer *v = (Viewer *) data; Image_info image_info; DBG(DBG_proc, "xsane_viewer_scale_image\n"); gtk_widget_destroy(v->active_dialog); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); infile = fopen(v->filename, "rb"); if (!infile) { DBG(DBG_error, "could not load file %s\n", v->filename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } xsane_read_pnm_header(infile, &image_info); DBG(DBG_info, "scaling image %s with geometry: %d x %d x %d, %d colors\n", v->filename, image_info.image_width, image_info.image_height, image_info.depth, image_info.colors); xsane_back_gtk_make_path(sizeof(outfilename), outfilename, 0, 0, "xsane-viewer-", xsane.dev_name, ".ppm", XSANE_PATH_TMP); outfile = fopen(outfilename, "wb"); if (!outfile) { DBG(DBG_error, "could not save file %s\n", outfilename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), PROGRESS_SCALING_DATA); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); xsane_save_scaled_image(outfile, infile, &image_info, v->x_scale_factor, v->y_scale_factor, v->progress_bar, &v->cancel_save); fclose(infile); fclose(outfile); gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), ""); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); DBG(DBG_info, "removing file %s\n", v->filename); remove(v->filename); free(v->filename); v->filename = strdup(outfilename); v->image_saved = FALSE; xsane_viewer_read_image(v); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_despeckle_image(GtkWidget *window, gpointer data) { FILE *outfile; FILE *infile; char outfilename[256]; Viewer *v = (Viewer *) data; Image_info image_info; DBG(DBG_proc, "xsane_viewer_despeckle_image\n"); gtk_widget_destroy(v->active_dialog); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); infile = fopen(v->filename, "rb"); if (!infile) { DBG(DBG_error, "could not load file %s\n", v->filename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } xsane_read_pnm_header(infile, &image_info); DBG(DBG_info, "despeckling image %s with geometry: %d x %d x %d, %d colors\n", v->filename, image_info.image_width, image_info.image_height, image_info.depth, image_info.colors); xsane_back_gtk_make_path(sizeof(outfilename), outfilename, 0, 0, "xsane-viewer-", xsane.dev_name, ".ppm", XSANE_PATH_TMP); outfile = fopen(outfilename, "wb"); if (!outfile) { DBG(DBG_error, "could not save file %s\n", outfilename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), PROGRESS_DESPECKLING_DATA); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); xsane_save_despeckle_image(outfile, infile, &image_info, v->filter_radius, v->progress_bar, &v->cancel_save); fclose(infile); fclose(outfile); gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), ""); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); DBG(DBG_info, "removing file %s\n", v->filename); remove(v->filename); free(v->filename); v->filename = strdup(outfilename); v->image_saved = FALSE; xsane_viewer_read_image(v); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_blur_image(GtkWidget *window, gpointer data) { FILE *outfile; FILE *infile; char outfilename[256]; Viewer *v = (Viewer *) data; Image_info image_info; DBG(DBG_proc, "xsane_viewer_blur_image\n"); gtk_widget_destroy(v->active_dialog); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); infile = fopen(v->filename, "rb"); if (!infile) { DBG(DBG_error, "could not load file %s\n", v->filename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } xsane_read_pnm_header(infile, &image_info); DBG(DBG_info, "bluring image %s with geometry: %d x %d x %d, %d colors\n", v->filename, image_info.image_width, image_info.image_height, image_info.depth, image_info.colors); xsane_back_gtk_make_path(sizeof(outfilename), outfilename, 0, 0, "xsane-viewer-", xsane.dev_name, ".ppm", XSANE_PATH_TMP); outfile = fopen(outfilename, "wb"); if (!outfile) { DBG(DBG_error, "could not save file %s\n", outfilename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), PROGRESS_BLURING_DATA); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); xsane_save_blur_image(outfile, infile, &image_info, v->filter_radius, v->progress_bar, &v->cancel_save); fclose(infile); fclose(outfile); gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), ""); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); DBG(DBG_info, "removing file %s\n", v->filename); remove(v->filename); free(v->filename); v->filename = strdup(outfilename); v->image_saved = FALSE; xsane_viewer_read_image(v); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_rotate(Viewer *v, int rotation) { FILE *outfile; FILE *infile; char outfilename[256]; Image_info image_info; DBG(DBG_proc, "xsane_viewer_rotate(%d)\n", rotation); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), FALSE); infile = fopen(v->filename, "rb"); if (!infile) { DBG(DBG_error, "could not load file %s\n", v->filename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } xsane_read_pnm_header(infile, &image_info); DBG(DBG_info, "rotating image %s with geometry: %d x %d x %d, %d colors\n", v->filename, image_info.image_width, image_info.image_height, image_info.depth, image_info.colors); xsane_back_gtk_make_path(sizeof(outfilename), outfilename, 0, 0, "xsane-viewer-", xsane.dev_name, ".ppm", XSANE_PATH_TMP); outfile = fopen(outfilename, "wb"); if (!outfile) { DBG(DBG_error, "could not save file %s\n", outfilename); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); return; } if (rotation <4) { gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), PROGRESS_ROTATING_DATA); } else { gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), PROGRESS_MIRRORING_DATA); } gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); xsane_save_rotate_image(outfile, infile, &image_info, rotation, v->progress_bar, &v->cancel_save); fclose(infile); fclose(outfile); gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), ""); gtk_progress_bar_update(GTK_PROGRESS_BAR(v->progress_bar), 0.0); DBG(DBG_info, "removing file %s\n", v->filename); remove(v->filename); free(v->filename); v->filename = strdup(outfilename); v->image_saved = FALSE; xsane_viewer_read_image(v); gtk_widget_set_sensitive(GTK_WIDGET(v->button_box), TRUE); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_rotate90_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; DBG(DBG_proc, "xsane_viewer_rotate90_callback\n"); xsane_viewer_rotate(v, 1); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_rotate180_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; DBG(DBG_proc, "xsane_viewer_rotate180_callback\n"); xsane_viewer_rotate(v, 2); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_rotate270_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; DBG(DBG_proc, "xsane_viewer_rotate270_callback\n"); xsane_viewer_rotate(v, 3); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_mirror_x_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; DBG(DBG_proc, "xsane_viewer_mirror_x_callback\n"); xsane_viewer_rotate(v, 4); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_mirror_y_callback(GtkWidget *window, gpointer data) { Viewer *v = (Viewer *) data; DBG(DBG_proc, "xsane_viewer_mirror_y_callback\n"); xsane_viewer_rotate(v, 6); } /* ---------------------------------------------------------------------------------------------------------------------- */ static void xsane_viewer_zoom_callback(GtkWidget *widget, gpointer data) { Viewer *v = (Viewer *) data; int val; DBG(DBG_proc, "xsane_viewer_zoom_callback\n"); val = (int) gtk_object_get_data(GTK_OBJECT(widget), "Selection"); v->zoom = (float) val / 100; DBG(DBG_info, "setting zoom factor to %f\n", v->zoom); xsane_viewer_read_image(v); } /* ---------------------------------------------------------------------------------------------------------------------- */ static GtkWidget *xsane_viewer_files_build_menu(Viewer *v) { GtkWidget *menu, *item; DBG(DBG_proc, "xsane_viewer_files_build_menu\n"); menu = gtk_menu_new(); gtk_accel_group_attach(xsane.accelerator_group, GTK_OBJECT(menu)); /* XSane save dialog */ item = gtk_menu_item_new_with_label(MENU_ITEM_SAVE_IMAGE); #if 0 gtk_widget_add_accelerator(item, "activate", xsane.accelerator_group, GDK_I, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); #endif gtk_menu_append(GTK_MENU(menu), item); gtk_signal_connect(GTK_OBJECT(item), "activate", (GtkSignalFunc) xsane_viewer_save_callback, v); gtk_widget_show(item); /* Clone */ item = gtk_menu_item_new_with_label(MENU_ITEM_CLONE); #if 0 gtk_widget_add_accelerator(item, "activate", xsane.accelerator_group, GDK_I, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); #endif gtk_menu_append(GTK_MENU(menu), item); gtk_signal_connect(GTK_OBJECT(item), "activate", (GtkSignalFunc) xsane_viewer_clone_callback, v); gtk_widget_show(item); /* Scale */ item = gtk_menu_item_new_with_label(MENU_ITEM_SCALE); #if 0 gtk_widget_add_accelerator(item, "activate", xsane.accelerator_group, GDK_I, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); #endif gtk_menu_append(GTK_MENU(menu), item); gtk_signal_connect(GTK_OBJECT(item), "activate", (GtkSignalFunc) xsane_viewer_scale_callback, v); gtk_widget_show(item); /* Close */ item = gtk_menu_item_new_with_label(MENU_ITEM_CLOSE); #if 0 gtk_widget_add_accelerator(item, "activate", xsane.accelerator_group, GDK_Q, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); #endif gtk_container_add(GTK_CONTAINER(menu), item); gtk_object_set_data(GTK_OBJECT(item), "Viewer", (void *) v); gtk_signal_connect(GTK_OBJECT(item), "activate", (GtkSignalFunc) xsane_viewer_close_callback, v); gtk_widget_show(item); return menu; } /* ---------------------------------------------------------------------------------------------------------------------- */ static GtkWidget *xsane_viewer_filters_build_menu(Viewer *v) { GtkWidget *menu, *item; DBG(DBG_proc, "xsane_viewer_filters_build_menu\n"); menu = gtk_menu_new(); gtk_accel_group_attach(xsane.accelerator_group, GTK_OBJECT(menu)); /* Despeckle */ item = gtk_menu_item_new_with_label(MENU_ITEM_DESPECKLE); #if 0 gtk_widget_add_accelerator(item, "activate", xsane.accelerator_group, GDK_I, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); #endif gtk_menu_append(GTK_MENU(menu), item); gtk_signal_connect(GTK_OBJECT(item), "activate", (GtkSignalFunc) xsane_viewer_despeckle_callback, v); gtk_widget_show(item); /* Blur */ item = gtk_menu_item_new_with_label(MENU_ITEM_BLUR); #if 0 gtk_widget_add_accelerator(item, "activate", xsane.accelerator_group, GDK_Q, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); #endif gtk_container_add(GTK_CONTAINER(menu), item); gtk_signal_connect(GTK_OBJECT(item), "activate", (GtkSignalFunc) xsane_viewer_blur_callback, v); gtk_widget_show(item); return menu; } /* ---------------------------------------------------------------------------------------------------------------------- */ static int xsane_viewer_read_image(Viewer *v) { unsigned char *row, *src_row; int x, y; int last_y; int nread; int pos0; FILE *infile; Image_info image_info; char buf[256]; float size; char *size_unit; int width, height; infile = fopen(v->filename, "rb"); if (!infile) { DBG(DBG_error, "could not load file %s\n", v->filename); return -1; } xsane_read_pnm_header(infile, &image_info); pos0 = ftell(infile); if (!image_info.colors) /* == 0 (grayscale) ? */ { image_info.colors = 1; /* we have one color component */ } DBG(DBG_info, "reading image %s with geometry: %d x %d x %d, %d colors\n", v->filename, image_info.image_width, image_info.image_height, image_info.depth, image_info.colors); /* open infile */ if (v->window) /* we already have an existing viewer preview window? */ { gtk_widget_destroy(v->window); } /* the preview area */ if (image_info.colors == 3) /* RGB */ { v->window = gtk_preview_new(GTK_PREVIEW_COLOR); } else /* grayscale */ { v->window = gtk_preview_new(GTK_PREVIEW_GRAYSCALE); } gtk_preview_size(GTK_PREVIEW(v->window), image_info.image_width * v->zoom, image_info.image_height * v->zoom); gtk_container_add(GTK_CONTAINER(v->viewport), v->window); gtk_widget_show(v->window); /* get memory for one row of the image */ src_row = malloc(image_info.image_width * image_info.colors * image_info.depth / 8); row = malloc(((int) image_info.image_width * v->zoom) * image_info.colors); if (!row || !src_row) { if (src_row) { free(src_row); } if (row) { free(row); } fclose(infile); DBG(DBG_error, "could not allocate memory\n"); return -1; } last_y = -99999; /* read the image from file */ for (y = 0; y < (int) (image_info.image_height * v->zoom); y++) { if ((int) (last_y / v->zoom) != (int) (y / v->zoom)) { last_y = y; if (image_info.depth == 8) /* 8 bits/pixel */ { fseek(infile, pos0 + (((int) (y / v->zoom)) * image_info.image_width) * image_info.colors, SEEK_SET); nread = fread(src_row, image_info.colors, image_info.image_width, infile); if (image_info.colors > 1) { for (x=0; x < (int) (image_info.image_width * v->zoom); x++) { int xoff = ((int) (x / v->zoom)) * image_info.colors; row[3*x+0] = src_row[xoff + 0]; row[3*x+1] = src_row[xoff + 1]; row[3*x+2] = src_row[xoff + 2]; } } else { for (x=0; x < (int) (image_info.image_width * v->zoom); x++) { row[x] = src_row[((int) (x / v->zoom))]; } } } else /* 16 bits/pixel => reduce to 8 bits/pixel */ { guint16 *src_row16 = (guint16 *) src_row; fseek(infile, pos0 + (((int) (y / v->zoom)) * image_info.image_width) * image_info.colors * 2, SEEK_SET); nread = fread(src_row, 2 * image_info.colors, image_info.image_width, infile); if (image_info.colors > 1) { for (x=0; x < (int) (image_info.image_width * v->zoom); x++) { int xoff = ((int) (x / v->zoom)) * image_info.colors; row[3*x+0] = (unsigned char) (src_row16[xoff + 0] / 256); row[3*x+1] = (unsigned char) (src_row16[xoff + 1] / 256); row[3*x+2] = (unsigned char) (src_row16[xoff + 2] / 256); } } else { for (x=0; x < (int) (image_info.image_width * v->zoom); x++) { row[x] = (unsigned char) (src_row16[(int) (x / v->zoom)] / 256); } } } } gtk_preview_draw_row(GTK_PREVIEW(v->window), row, 0, y, image_info.image_width * v->zoom); } gtk_preview_put(GTK_PREVIEW(v->window), v->window->window, v->window->style->black_gc, 0, 0, 0, 0, image_info.image_width * v->zoom, image_info.image_height * v->zoom); size = (float) image_info.image_width * image_info.image_height * image_info.colors; if (image_info.depth == 16) { size *= 2.0; } size_unit = "B"; if (size >= 1024 * 1024) { size /= (1024.0 * 1024.0); size_unit = "MB"; } else if (size >= 1024) { size /= 1024.0; size_unit = "KB"; } if (v->reduce_to_lineart) { snprintf(buf, sizeof(buf), TEXT_VIEWER_IMAGE_INFO, image_info.image_width, image_info.image_height, 1, image_info.colors, image_info.resolution_x, image_info.resolution_y, size, size_unit); } else { snprintf(buf, sizeof(buf), TEXT_VIEWER_IMAGE_INFO, image_info.image_width, image_info.image_height, image_info.depth, image_info.colors, image_info.resolution_x, image_info.resolution_y, size, size_unit); } gtk_label_set(GTK_LABEL(v->image_info_label), buf); width = image_info.image_width + 26; height = image_info.image_height + 136; if (width > gdk_screen_width()) { width = gdk_screen_width(); } if (height > gdk_screen_height()) { height = gdk_screen_height(); } gtk_window_set_default_size(GTK_WINDOW(v->top), width, height); free(row); free(src_row); fclose(infile); return 0; } /* ---------------------------------------------------------------------------------------------------------------------- */ Viewer *xsane_viewer_new(char *filename, int reduce_to_lineart, char *output_filename) { char buf[256]; Viewer *v; GtkWidget *vbox, *hbox; GtkWidget *menubar, *menubar_item; GtkWidget *scrolled_window; GtkWidget *zoom_option_menu, *zoom_menu, *zoom_menu_item; int i, selection; DBG(DBG_proc, "viewer_new(%s)\n", filename); /* create viewer structure v */ v = malloc(sizeof(*v)); if (!v) { DBG(DBG_error, "could not allocate memory\n"); return 0; } memset(v, 0, sizeof(*v)); v->filename = strdup(filename); v->reduce_to_lineart = reduce_to_lineart; v->zoom = 1.0; v->image_saved = FALSE; v->next_viewer = xsane.viewer_list; xsane.viewer_list = v; if (output_filename) { v->output_filename = strdup(output_filename); snprintf(buf, sizeof(buf), "%s %s - %s", WINDOW_VIEWER, v->output_filename, xsane.device_text); } else { snprintf(buf, sizeof(buf), "%s %s", WINDOW_VIEWER, xsane.device_text); } v->top = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title(GTK_WINDOW(v->top), buf); xsane_set_window_icon(v->top, 0); gtk_accel_group_attach(xsane.accelerator_group, GTK_OBJECT(v->top)); gtk_object_set_data(GTK_OBJECT(v->top), "Viewer", (void *) v); gtk_signal_connect(GTK_OBJECT(v->top), "delete_event", GTK_SIGNAL_FUNC(xsane_viewer_close_callback), NULL); /* set the main vbox */ vbox = gtk_vbox_new(FALSE, 0); gtk_container_set_border_width(GTK_CONTAINER(vbox), 0); gtk_container_add(GTK_CONTAINER(v->top), vbox); gtk_widget_show(vbox); /* create the menubar */ menubar = gtk_menu_bar_new(); gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0); /* "Files" submenu: */ menubar_item = gtk_menu_item_new_with_label(MENU_FILE); gtk_container_add(GTK_CONTAINER(menubar), menubar_item); gtk_menu_item_set_submenu(GTK_MENU_ITEM(menubar_item), xsane_viewer_files_build_menu(v)); /* gtk_widget_add_accelerator(menubar_item, "select", xsane.accelerator_group, GDK_F, 0, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); */ gtk_widget_show(menubar_item); /* "Filters" submenu: */ menubar_item = gtk_menu_item_new_with_label(MENU_FILTERS); gtk_container_add(GTK_CONTAINER(menubar), menubar_item); gtk_menu_item_set_submenu(GTK_MENU_ITEM(menubar_item), xsane_viewer_filters_build_menu(v)); /* gtk_widget_add_accelerator(menubar_item, "select", xsane.accelerator_group, GDK_F, 0, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); */ gtk_widget_show(menubar_item); gtk_widget_show(menubar); /* set the main hbox */ hbox = gtk_hbox_new(FALSE, 0); gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 5); gtk_container_set_border_width(GTK_CONTAINER(hbox), 5); gtk_widget_show(hbox); /* top hbox for icons */ v->button_box = gtk_hbox_new(FALSE, 1); gtk_container_set_border_width(GTK_CONTAINER(v->button_box), 1); gtk_box_pack_start(GTK_BOX(vbox), v->button_box, FALSE, FALSE, 0); gtk_widget_show(v->button_box); v->save = xsane_button_new_with_pixmap(v->top->window, v->button_box, file_xpm, DESC_VIEWER_SAVE, (GtkSignalFunc) xsane_viewer_save_callback, v); v->ocr = xsane_button_new_with_pixmap(v->top->window, v->button_box, ocr_xpm, DESC_VIEWER_OCR, (GtkSignalFunc) xsane_viewer_ocr_callback, v); v->clone = xsane_button_new_with_pixmap(v->top->window, v->button_box, clone_xpm, DESC_VIEWER_CLONE, (GtkSignalFunc) xsane_viewer_clone_callback, v); v->scale = xsane_button_new_with_pixmap(v->top->window, v->button_box, scale_xpm, DESC_VIEWER_SCALE, (GtkSignalFunc) xsane_viewer_scale_callback, v); v->despeckle = xsane_button_new_with_pixmap(v->top->window, v->button_box, despeckle_xpm, DESC_VIEWER_DESPECKLE, (GtkSignalFunc) xsane_viewer_despeckle_callback, v); v->blur = xsane_button_new_with_pixmap(v->top->window, v->button_box, blur_xpm, DESC_VIEWER_BLUR, (GtkSignalFunc) xsane_viewer_blur_callback, v); v->rotate90 = xsane_button_new_with_pixmap(v->top->window, v->button_box, rotate90_xpm, DESC_VIEWER_ROTATE90, (GtkSignalFunc) xsane_viewer_rotate90_callback, v); v->rotate180 = xsane_button_new_with_pixmap(v->top->window, v->button_box, rotate180_xpm, DESC_VIEWER_ROTATE180, (GtkSignalFunc) xsane_viewer_rotate180_callback, v); v->rotate270 = xsane_button_new_with_pixmap(v->top->window, v->button_box, rotate270_xpm, DESC_VIEWER_ROTATE270, (GtkSignalFunc) xsane_viewer_rotate270_callback, v); v->mirror_x = xsane_button_new_with_pixmap(v->top->window, v->button_box, mirror_x_xpm, DESC_VIEWER_MIRROR_X, (GtkSignalFunc) xsane_viewer_mirror_x_callback, v); v->mirror_y = xsane_button_new_with_pixmap(v->top->window, v->button_box, mirror_y_xpm, DESC_VIEWER_MIRROR_Y, (GtkSignalFunc) xsane_viewer_mirror_y_callback, v); /* "Zoom" submenu: */ zoom_option_menu = gtk_option_menu_new(); xsane_back_gtk_set_tooltip(xsane.tooltips, zoom_option_menu, DESC_VIEWER_ZOOM); gtk_box_pack_start(GTK_BOX(v->button_box), zoom_option_menu, FALSE, FALSE, 0); gtk_widget_show(zoom_option_menu); zoom_menu = gtk_menu_new(); selection = 0; for (i = 0; i < XSANE_VIEWER_ZOOM_ITEMS; i++) { snprintf(buf, sizeof(buf), "%d %%", xsane_viewer_zoom[i]); zoom_menu_item = gtk_menu_item_new_with_label(buf); gtk_menu_append(GTK_MENU(zoom_menu), zoom_menu_item); gtk_signal_connect(GTK_OBJECT(zoom_menu_item), "activate", (GtkSignalFunc) xsane_viewer_zoom_callback, v); gtk_object_set_data(GTK_OBJECT(zoom_menu_item), "Selection", (void *) xsane_viewer_zoom[i]); gtk_widget_show(zoom_menu_item); if (v->zoom*100 == xsane_viewer_zoom[i]) { selection = i; } } gtk_option_menu_set_menu(GTK_OPTION_MENU(zoom_option_menu), zoom_menu); gtk_option_menu_set_history(GTK_OPTION_MENU(zoom_option_menu), selection); /* gtk_widget_add_accelerator(menubar_item, "select", xsane.accelerator_group, GDK_F, 0, GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED); */ gtk_widget_show(zoom_menu); scrolled_window = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_box_pack_start(GTK_BOX(vbox), scrolled_window, TRUE, TRUE, 0); gtk_widget_show(scrolled_window); /* the viewport */ v->viewport = gtk_frame_new(/* label */ 0); gtk_frame_set_shadow_type(GTK_FRAME(v->viewport), GTK_SHADOW_IN); gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled_window), v->viewport); gtk_widget_show(v->viewport); /* image info label */ hbox = gtk_hbox_new(FALSE, 1); gtk_container_set_border_width(GTK_CONTAINER(hbox), 1); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0); gtk_widget_show(hbox); v->image_info_label = gtk_label_new(""); gtk_box_pack_start(GTK_BOX(hbox), v->image_info_label, FALSE, FALSE, 2); gtk_widget_show(v->image_info_label); gtk_widget_show(v->top); if (xsane_viewer_read_image(v)) /* read image and add preview to the viewport */ { /* error */ } v->progress_bar = (GtkProgressBar *) gtk_progress_bar_new(); #if 0 gtk_widget_set_usize(v->progress_bar, 0, 25); #endif gtk_box_pack_start(GTK_BOX(vbox), (GtkWidget *) v->progress_bar, FALSE, FALSE, 0); gtk_progress_set_show_text(GTK_PROGRESS(v->progress_bar), TRUE); gtk_progress_set_format_string(GTK_PROGRESS(v->progress_bar), ""); gtk_widget_show(GTK_WIDGET(v->progress_bar)); return v; }