/* CSource - GIMP Plugin to dump image data in RGB(A) format for C source * Copyright (C) 1999 Tim Janik * * 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 3 * 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, see . * * This plugin is heavily based on the header plugin by Spencer Kimball and * Peter Mattis. */ #include "config.h" #include #include #include #include #include #include "libgimp/stdplugins-intl.h" #define SAVE_PROC "file-csource-save" #define PLUG_IN_BINARY "file-csource" #define PLUG_IN_ROLE "gimp-file-csource" typedef struct { gchar *prefixed_name; gchar *comment; gboolean use_comment; gboolean glib_types; gboolean alpha; gboolean rgb565; gboolean use_macros; gboolean use_rle; gdouble opacity; } Config; static void query (void); static void run (const gchar *name, gint nparams, const GimpParam *param, gint *nreturn_vals, GimpParam **return_vals); static gboolean save_image (GFile *file, Config *config, gint32 image_ID, gint32 drawable_ID, GError **error); static gboolean run_save_dialog (Config *config); const GimpPlugInInfo PLUG_IN_INFO = { NULL, /* init_proc */ NULL, /* quit_proc */ query, /* query_proc */ run, /* run_proc */ }; static Config config = { "gimp_image", /* prefixed_name */ NULL, /* comment */ FALSE, /* use_comment */ TRUE, /* glib_types */ FALSE, /* alpha */ FALSE, /* rgb565 */ FALSE, /* use_macros */ FALSE, /* use_rle */ 100.0, /* opacity */ }; MAIN () static void query (void) { static const GimpParamDef save_args[] = { { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0) }" }, { GIMP_PDB_IMAGE, "image", "Input image" }, { GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" }, { GIMP_PDB_STRING, "filename", "The name of the file to save the image in" }, { GIMP_PDB_STRING, "raw-filename", "The name of the file to save the image in" } }; gimp_install_procedure (SAVE_PROC, "Dump image data in RGB(A) format for C source", "CSource cannot be run non-interactively.", "Tim Janik", "Tim Janik", "1999", N_("C source code"), "*", GIMP_PLUGIN, G_N_ELEMENTS (save_args), 0, save_args, NULL); gimp_register_file_handler_mime (SAVE_PROC, "text/x-csrc"); gimp_register_file_handler_uri (SAVE_PROC); gimp_register_save_handler (SAVE_PROC, "c", ""); } static void run (const gchar *name, gint nparams, const GimpParam *param, gint *nreturn_vals, GimpParam **return_vals) { static GimpParam values[2]; GimpRunMode run_mode; GimpPDBStatusType status = GIMP_PDB_SUCCESS; GimpExportReturn export = GIMP_EXPORT_CANCEL; GError *error = NULL; INIT_I18N (); gegl_init (NULL, NULL); run_mode = param[0].data.d_int32; *nreturn_vals = 1; *return_vals = values; values[0].type = GIMP_PDB_STATUS; values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR; if (run_mode == GIMP_RUN_INTERACTIVE && strcmp (name, SAVE_PROC) == 0) { gint32 image_ID = param[1].data.d_int32; gint32 drawable_ID = param[2].data.d_int32; GimpParasite *parasite; gchar *x; gimp_get_data (SAVE_PROC, &config); config.prefixed_name = "gimp_image"; config.comment = NULL; config.alpha = gimp_drawable_has_alpha (drawable_ID); parasite = gimp_image_get_parasite (image_ID, "gimp-comment"); if (parasite) { config.comment = g_strndup (gimp_parasite_data (parasite), gimp_parasite_data_size (parasite)); gimp_parasite_free (parasite); } x = config.comment; gimp_ui_init (PLUG_IN_BINARY, FALSE); export = gimp_export_image (&image_ID, &drawable_ID, "C Source", GIMP_EXPORT_CAN_HANDLE_RGB | GIMP_EXPORT_CAN_HANDLE_ALPHA); if (export == GIMP_EXPORT_CANCEL) { values[0].data.d_status = GIMP_PDB_CANCEL; return; } if (run_save_dialog (&config)) { if (x != config.comment && !(x && config.comment && strcmp (x, config.comment) == 0)) { if (!config.comment || !config.comment[0]) { gimp_image_detach_parasite (image_ID, "gimp-comment"); } else { parasite = gimp_parasite_new ("gimp-comment", GIMP_PARASITE_PERSISTENT, strlen (config.comment) + 1, config.comment); gimp_image_attach_parasite (image_ID, parasite); gimp_parasite_free (parasite); } } if (! save_image (g_file_new_for_uri (param[3].data.d_string), &config, image_ID, drawable_ID, &error)) { status = GIMP_PDB_EXECUTION_ERROR; if (error) { *nreturn_vals = 2; values[1].type = GIMP_PDB_STRING; values[1].data.d_string = error->message; } } else { gimp_set_data (SAVE_PROC, &config, sizeof (config)); } } else { status = GIMP_PDB_CANCEL; } if (export == GIMP_EXPORT_EXPORT) gimp_image_delete (image_ID); } else { status = GIMP_PDB_CALLING_ERROR; } values[0].data.d_status = status; } static gboolean diff2_rgb565 (guint8 *ip) { return ip[0] != ip[2] || ip[1] != ip[3]; } static gboolean diff2_rgb (guint8 *ip) { return ip[0] != ip[3] || ip[1] != ip[4] || ip[2] != ip[5]; } static gboolean diff2_rgba (guint8 *ip) { return ip[0] != ip[4] || ip[1] != ip[5] || ip[2] != ip[6] || ip[3] != ip[7]; } static guint8 * rl_encode_rgbx (guint8 *bp, guint8 *ip, guint8 *limit, guint bpp) { gboolean (*diff2_pix) (guint8 *); guint8 *ilimit = limit - bpp; switch (bpp) { case 2: diff2_pix = diff2_rgb565; break; case 3: diff2_pix = diff2_rgb; break; case 4: diff2_pix = diff2_rgba; break; default: g_assert_not_reached (); } while (ip < limit) { g_assert (ip < ilimit); /* paranoid */ if (diff2_pix (ip)) { guint8 *s_ip = ip; guint l = 1; ip += bpp; while (l < 127 && ip < ilimit && diff2_pix (ip)) { ip += bpp; l += 1; } if (ip == ilimit && l < 127) { ip += bpp; l += 1; } *(bp++) = l; memcpy (bp, s_ip, l * bpp); bp += l * bpp; } else { guint l = 2; ip += bpp; while (l < 127 && ip < ilimit && !diff2_pix (ip)) { ip += bpp; l += 1; } *(bp++) = l | 128; memcpy (bp, ip, bpp); ip += bpp; bp += bpp; } if (ip == ilimit) { *(bp++) = 1; memcpy (bp, ip, bpp); ip += bpp; bp += bpp; } } return bp; } static gboolean print (GOutputStream *stream, GError **error, const gchar *format, ...) G_GNUC_PRINTF (3, 4); static gboolean print (GOutputStream *stream, GError **error, const gchar *format, ...) { va_list args; gboolean success; va_start (args, format); success = g_output_stream_vprintf (stream, NULL, NULL, error, format, args); va_end (args); return success; } static inline gboolean save_rle_decoder (GOutputStream *output, const gchar *macro_name, const gchar *s_uint, const gchar *s_uint_8, guint bpp, GError **error) { return print (output, error, "#define %s_RUN_LENGTH_DECODE(image_buf, rle_data, size, bpp) do \\\n", macro_name) && print (output, error, "{ %s __bpp; %s *__ip; const %s *__il, *__rd; \\\n", s_uint, s_uint_8, s_uint_8) && print (output, error, " __bpp = (bpp); __ip = (image_buf); __il = __ip + (size) * __bpp; \\\n" " __rd = (rle_data); if (__bpp > 3) { /* RGBA */ \\\n" " while (__ip < __il) { %s __l = *(__rd++); \\\n", s_uint) && print (output, error, " if (__l & 128) { __l = __l - 128; \\\n" " do { memcpy (__ip, __rd, 4); __ip += 4; } while (--__l); __rd += 4; \\\n" " } else { __l *= 4; memcpy (__ip, __rd, __l); \\\n" " __ip += __l; __rd += __l; } } \\\n" " } else if (__bpp == 3) { /* RGB */ \\\n" " while (__ip < __il) { %s __l = *(__rd++); \\\n", s_uint) && print (output, error, " if (__l & 128) { __l = __l - 128; \\\n" " do { memcpy (__ip, __rd, 3); __ip += 3; } while (--__l); __rd += 3; \\\n" " } else { __l *= 3; memcpy (__ip, __rd, __l); \\\n" " __ip += __l; __rd += __l; } } \\\n" " } else { /* RGB16 */ \\\n" " while (__ip < __il) { %s __l = *(__rd++); \\\n", s_uint) && print (output, error, " if (__l & 128) { __l = __l - 128; \\\n" " do { memcpy (__ip, __rd, 2); __ip += 2; } while (--__l); __rd += 2; \\\n" " } else { __l *= 2; memcpy (__ip, __rd, __l); \\\n" " __ip += __l; __rd += __l; } } \\\n" " } } while (0)\n"); } static inline gboolean save_uchar (GOutputStream *output, guint *c, guint8 d, Config *config, GError **error) { static guint8 pad = 0; if (*c > 74) { if (! config->use_macros) { if (! print (output, error, "\"\n \"")) return FALSE; *c = 3; } else { if (! print (output, error, "\"\n \"")) return FALSE; *c = 2; } } if (d < 33 || (d >= 48 && d <= 57) || d > 126) { if (! print (output, error, "\\%03o", d)) return FALSE; *c += 1 + 1 + (d > 7) + (d > 63); pad = d < 64; return TRUE; } if (d == '\\') { if (! print (output, error, "\\\\")) return FALSE; *c += 2; } else if (d == '"') { if (! print (output, error, "\\\"")) return FALSE; *c += 2; } else if (pad && d >= '0' && d <= '9') { if (! print (output, error, "\"\"%c", d)) return FALSE; *c += 3; } else { if (! print (output, error, "%c", d)) return FALSE; *c += 1; } pad = 0; return TRUE; } static gboolean save_image (GFile *file, Config *config, gint32 image_ID, gint32 drawable_ID, GError **error) { GOutputStream *output; GeglBuffer *buffer; GCancellable *cancellable; GimpImageType drawable_type = gimp_drawable_type (drawable_ID); gchar *s_uint_8, *s_uint, *s_char, *s_null; guint c; gchar *macro_name; guint8 *img_buffer, *img_buffer_end; gchar *basename; guint8 *data, *p; gint width; gint height; gint x, y, pad, n_bytes, bpp; const Babl *drawable_format; gint drawable_bpp; output = G_OUTPUT_STREAM (g_file_replace (file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, error)); if (output) { GOutputStream *buffered; buffered = g_buffered_output_stream_new (output); g_object_unref (output); output = buffered; } else { return FALSE; } buffer = gimp_drawable_get_buffer (drawable_ID); width = gegl_buffer_get_width (buffer); height = gegl_buffer_get_height (buffer); if (gimp_drawable_has_alpha (drawable_ID)) drawable_format = babl_format ("R'G'B'A u8"); else drawable_format = babl_format ("R'G'B' u8"); drawable_bpp = babl_format_get_bytes_per_pixel (drawable_format); bpp = config->rgb565 ? 2 : (config->alpha ? 4 : 3); n_bytes = width * height * bpp; pad = width * drawable_bpp; if (config->use_rle) pad = MAX (pad, 130 + n_bytes / 127); data = g_new (guint8, pad + n_bytes); p = data + pad; for (y = 0; y < height; y++) { gegl_buffer_get (buffer, GEGL_RECTANGLE (0, y, width, 1), 1.0, drawable_format, data, GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); if (bpp == 2) { for (x = 0; x < width; x++) { guint8 *d = data + x * drawable_bpp; guint8 r, g, b; gushort rgb16; gdouble alpha = drawable_type == GIMP_RGBA_IMAGE ? d[3] : 0xff; alpha *= config->opacity / 25500.0; r = (0.5 + alpha * (gdouble) d[0]); g = (0.5 + alpha * (gdouble) d[1]); b = (0.5 + alpha * (gdouble) d[2]); r >>= 3; g >>= 2; b >>= 3; rgb16 = (r << 11) + (g << 5) + b; *(p++) = (guchar) rgb16; *(p++) = (guchar) (rgb16 >> 8); } } else if (config->alpha) { for (x = 0; x < width; x++) { guint8 *d = data + x * drawable_bpp; gdouble alpha = drawable_type == GIMP_RGBA_IMAGE ? d[3] : 0xff; alpha *= config->opacity / 100.0; *(p++) = d[0]; *(p++) = d[1]; *(p++) = d[2]; *(p++) = alpha + 0.5; } } else { for (x = 0; x < width; x++) { guint8 *d = data + x * drawable_bpp; gdouble alpha = drawable_type == GIMP_RGBA_IMAGE ? d[3] : 0xff; alpha *= config->opacity / 25500.0; *(p++) = 0.5 + alpha * (gdouble) d[0]; *(p++) = 0.5 + alpha * (gdouble) d[1]; *(p++) = 0.5 + alpha * (gdouble) d[2]; } } } img_buffer = data + pad; if (config->use_rle) { img_buffer_end = rl_encode_rgbx (data, img_buffer, img_buffer + n_bytes, bpp); img_buffer = data; } else { img_buffer_end = img_buffer + n_bytes; } if (!config->use_macros && config->glib_types) { s_uint_8 = "guint8 "; s_uint = "guint "; s_char = "gchar "; s_null = "NULL"; } else if (!config->use_macros) { s_uint_8 = "unsigned char"; s_uint = "unsigned int "; s_char = "char "; s_null = "(char*) 0"; } else if (config->use_macros && config->glib_types) { s_uint_8 = "guint8"; s_uint = "guint"; s_char = "gchar"; s_null = "NULL"; } else /* config->use_macros && !config->glib_types */ { s_uint_8 = "unsigned char"; s_uint = "unsigned int"; s_char = "char"; s_null = "(char*) 0"; } macro_name = g_ascii_strup (config->prefixed_name, -1); basename = g_file_get_basename (file); if (! print (output, error, "/* GIMP %s C-Source image dump %s(%s) */\n\n", config->alpha ? "RGBA" : "RGB", config->use_rle ? "1-byte-run-length-encoded " : "", basename)) goto fail; g_free (basename); if (config->use_rle && !config->use_macros) { if (! save_rle_decoder (output, macro_name, config->glib_types ? "guint" : "unsigned int", config->glib_types ? "guint8" : "unsigned char", bpp, error)) goto fail; } if (!config->use_macros) { if (! print (output, error, "static const struct {\n" " %s\t width;\n" " %s\t height;\n" " %s\t bytes_per_pixel; /* 2:RGB16, 3:RGB, 4:RGBA */ \n", s_uint, s_uint, s_uint)) goto fail; if (config->use_comment) { if (! print (output, error, " %s\t*comment;\n", s_char)) goto fail; } if (! print (output, error, " %s\t %spixel_data[", s_uint_8, config->use_rle ? "rle_" : "")) goto fail; if (config->use_rle) { if (! print (output, error, "%u + 1];\n", (guint) (img_buffer_end - img_buffer))) goto fail; } else { if (! print (output, error, "%u * %u * %u + 1];\n", width, height, bpp)) goto fail; } if (! print (output, error, "} %s = {\n", config->prefixed_name)) goto fail; if (! print (output, error, " %u, %u, %u,\n", width, height, bpp)) goto fail; } else /* use macros */ { if (! print (output, error, "#define %s_WIDTH (%u)\n" "#define %s_HEIGHT (%u)\n" "#define %s_BYTES_PER_PIXEL (%u) /* 2:RGB16, 3:RGB, 4:RGBA */\n", macro_name, width, macro_name, height, macro_name, bpp)) { goto fail; } } if (config->use_comment && !config->comment) { if (! config->use_macros) { if (! print (output, error, " %s,\n", s_null)) goto fail; } else { if (! print (output, error, "#define %s_COMMENT (%s)\n", macro_name, s_null)) goto fail; } } else if (config->use_comment) { gchar *p = config->comment - 1; if (config->use_macros) { if (! print (output, error, "#define %s_COMMENT \\\n", macro_name)) goto fail; } if (! print (output, error, " \"")) goto fail; while (*(++p)) { gboolean success = FALSE; if (*p == '\\') success = print (output, error, "\\\\"); else if (*p == '"') success = print (output, error, "\\\""); else if (*p == '\n' && p[1]) success = print (output, error, "\\n\"%s\n \"", config->use_macros ? " \\" : ""); else if (*p == '\n') success = print (output, error, "\\n"); else if (*p == '\r') success = print (output, error, "\\r"); else if (*p == '\b') success = print (output, error, "\\b"); else if (*p == '\f') success = print (output, error, "\\f"); else if (( *p >= 32 && *p <= 47 ) || (*p >= 58 && *p <= 126)) success = print (output, error, "%c", *p); else success = print (output, error, "\\%03o", *p); if (! success) goto fail; } if (! config->use_macros) { if (! print (output, error, "\",\n")) goto fail; } else { if (! print (output, error, "\"\n")) goto fail; } } if (config->use_macros) { if (! print (output, error, "#define %s_%sPIXEL_DATA ((%s*) %s_%spixel_data)\n", macro_name, config->use_rle ? "RLE_" : "", s_uint_8, macro_name, config->use_rle ? "rle_" : "")) goto fail; if (config->use_rle) { if (! save_rle_decoder (output, macro_name, s_uint, s_uint_8, bpp, error)) goto fail; } if (! print (output, error, "static const %s %s_%spixel_data[", s_uint_8, macro_name, config->use_rle ? "rle_" : "")) goto fail; if (config->use_rle) { if (! print (output, error, "%u] =\n", (guint) (img_buffer_end - img_buffer))) goto fail; } else { if (! print (output, error, "%u * %u * %u + 1] =\n", width, height, bpp)) goto fail; } if (! print (output, error, "(\"")) goto fail; c = 2; } else { if (! print (output, error, " \"")) goto fail; c = 3; } switch (drawable_type) { case GIMP_RGB_IMAGE: case GIMP_RGBA_IMAGE: do { if (! save_uchar (output, &c, *(img_buffer++), config, error)) goto fail; } while (img_buffer < img_buffer_end); break; default: g_warning ("unhandled drawable type (%d)", drawable_type); goto fail; } if (! config->use_macros) { if (! print (output, error, "\",\n};\n\n")) goto fail; } else { if (! print (output, error, "\");\n\n")) goto fail; } if (! g_output_stream_close (output, NULL, error)) goto fail; g_object_unref (output); g_object_unref (buffer); return TRUE; fail: cancellable = g_cancellable_new (); g_cancellable_cancel (cancellable); g_output_stream_close (output, cancellable, NULL); g_object_unref (cancellable); g_object_unref (output); g_object_unref (buffer); return FALSE; } static void rgb565_toggle_button_update (GtkWidget *toggle, gpointer data) { GtkWidget *widget; gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (toggle)); gimp_toggle_button_update (toggle, data); widget = g_object_get_data (G_OBJECT (toggle), "set-insensitive-1"); if (widget) gtk_widget_set_sensitive (widget, ! active); } static gboolean run_save_dialog (Config *config) { GtkWidget *dialog; GtkWidget *vbox; GtkWidget *table; GtkWidget *prefixed_name; GtkWidget *centry; GtkWidget *toggle; GtkWidget *alpha_toggle; GtkObject *adj; gboolean run; dialog = gimp_export_dialog_new (_("C-Source"), PLUG_IN_BINARY, SAVE_PROC); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); gtk_container_set_border_width (GTK_CONTAINER (vbox), 12); gtk_box_pack_start (GTK_BOX (gimp_export_dialog_get_content_area (dialog)), vbox, TRUE, TRUE, 0); gtk_widget_show (vbox); table = gtk_table_new (2, 2, FALSE); gtk_table_set_col_spacings (GTK_TABLE (table), 6); gtk_table_set_row_spacings (GTK_TABLE (table), 6); gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0); gtk_widget_show (table); /* Prefixed Name */ prefixed_name = gtk_entry_new (); gimp_table_attach_aligned (GTK_TABLE (table), 0, 0, _("_Prefixed name:"), 0.0, 0.5, prefixed_name, 1, FALSE); gtk_entry_set_text (GTK_ENTRY (prefixed_name), config->prefixed_name ? config->prefixed_name : ""); /* Comment Entry */ centry = gtk_entry_new (); gimp_table_attach_aligned (GTK_TABLE (table), 0, 1, _("Co_mment:"), 0.0, 0.5, centry, 1, FALSE); gtk_entry_set_text (GTK_ENTRY (centry), config->comment ? config->comment : ""); /* Use Comment */ toggle = gtk_check_button_new_with_mnemonic (_("_Save comment to file")); gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), config->use_comment); gtk_widget_show (toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (gimp_toggle_button_update), &config->use_comment); /* GLib types */ toggle = gtk_check_button_new_with_mnemonic (_("_Use GLib types (guint8*)")); gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), config->glib_types); gtk_widget_show (toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (gimp_toggle_button_update), &config->glib_types); /* Use Macros */ toggle = gtk_check_button_new_with_mnemonic (_("Us_e macros instead of struct")); gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), config->use_macros); gtk_widget_show (toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (gimp_toggle_button_update), &config->use_macros); /* Use RLE */ toggle = gtk_check_button_new_with_mnemonic (_("Use _1 byte Run-Length-Encoding")); gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), config->use_rle); gtk_widget_show (toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (gimp_toggle_button_update), &config->use_rle); /* Alpha */ alpha_toggle = toggle = gtk_check_button_new_with_mnemonic (_("Sa_ve alpha channel (RGBA/RGB)")); gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), config->alpha); gtk_widget_show (toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (gimp_toggle_button_update), &config->alpha); /* RGB-565 */ toggle = gtk_check_button_new_with_mnemonic (_("Save as _RGB565 (16-bit)")); gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); /* Alpha setting is not used with RGB-565 */ g_object_set_data (G_OBJECT (toggle), "set-insensitive-1", alpha_toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (rgb565_toggle_button_update), &config->rgb565); gtk_widget_show (toggle); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), config->rgb565); /* Max Alpha Value */ table = gtk_table_new (1, 3, FALSE); gtk_table_set_col_spacings (GTK_TABLE (table), 4); gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0); gtk_widget_show (table); adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 0, _("Op_acity:"), 100, 0, config->opacity, 0, 100, 1, 10, 1, TRUE, 0, 0, NULL, NULL); g_signal_connect (adj, "value-changed", G_CALLBACK (gimp_double_adjustment_update), &config->opacity); gtk_widget_show (dialog); run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK); if (run) { config->prefixed_name = g_strdup (gtk_entry_get_text (GTK_ENTRY (prefixed_name))); config->comment = g_strdup (gtk_entry_get_text (GTK_ENTRY (centry))); } gtk_widget_destroy (dialog); if (!config->prefixed_name || !config->prefixed_name[0]) config->prefixed_name = "tmp"; if (config->comment && !config->comment[0]) config->comment = NULL; return run; }