/* GIMP - The GNU Image Manipulation Program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * X10 and X11 bitmap (XBM) loading and saving file filter for GIMP. * XBM code Copyright (C) 1998 Gordon Matzigkeit * * The XBM reading and writing code was written from scratch by Gordon * Matzigkeit based on the XReadBitmapFile(3X11) manual * page distributed with X11R6 and by staring at valid XBM files. It * does not contain any code written for other XBM file loaders. * * 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 . */ /* Release 1.0, 1998-02-04, Gordon Matzigkeit : * - Load and save X10 and X11 bitmaps. * - Allow the user to specify the C identifier prefix. * * TODO: * - Parsing is very tolerant, and the algorithms are quite hairy, so * load_image should be carefully tested to make sure there are no XBM's * that fail. */ /* Set this for debugging. */ /* #define VERBOSE 2 */ #include "config.h" #include #include #include #include #include #include "libgimp/stdplugins-intl.h" #define LOAD_PROC "file-xbm-load" #define SAVE_PROC "file-xbm-save" #define PLUG_IN_BINARY "file-xbm" #define PLUG_IN_ROLE "gimp-file-xbm" /* Wear your GIMP with pride! */ #define DEFAULT_USE_COMMENT TRUE #define MAX_COMMENT 72 #define MAX_MASK_EXT 32 /* C identifier prefix. */ #define DEFAULT_PREFIX "bitmap" #define MAX_PREFIX 64 /* Whether or not to save as X10 bitmap. */ #define DEFAULT_X10_FORMAT FALSE typedef struct _XBMSaveVals { gchar comment[MAX_COMMENT + 1]; gint x10_format; gint use_hot; gint x_hot; gint y_hot; gchar prefix[MAX_PREFIX + 1]; gboolean write_mask; gchar mask_ext[MAX_MASK_EXT + 1]; } XBMSaveVals; static XBMSaveVals xsvals = { "###", /* comment */ DEFAULT_X10_FORMAT, /* x10_format */ FALSE, 0, /* x_hot */ 0, /* y_hot */ DEFAULT_PREFIX, /* prefix */ FALSE, /* write_mask */ "-mask" }; /* Declare some local functions. */ static void query (void); static void run (const gchar *name, gint nparams, const GimpParam *param, gint *nreturn_vals, GimpParam **return_vals); static gint32 load_image (const gchar *filename, GError **error); static gint save_image (const gchar *filename, const gchar *prefix, const gchar *comment, gboolean save_mask, gint32 image_ID, gint32 drawable_ID, GError **error); static gboolean save_dialog (gint32 drawable_ID); #if 0 /* DISABLED - see http://bugzilla.gnome.org/show_bug.cgi?id=82763 */ static void comment_entry_callback (GtkWidget *widget, gpointer data); #endif static void prefix_entry_callback (GtkWidget *widget, gpointer data); static void mask_ext_entry_callback (GtkWidget *widget, gpointer data); const GimpPlugInInfo PLUG_IN_INFO = { NULL, /* init_proc */ NULL, /* quit_proc */ query, /* query_proc */ run, /* run_proc */ }; MAIN () #ifdef VERBOSE static int verbose = VERBOSE; #endif static void query (void) { static const GimpParamDef load_args[] = { { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" }, { GIMP_PDB_STRING, "filename", "The name of the file to load" }, { GIMP_PDB_STRING, "raw-filename", "The name entered" } }; static const GimpParamDef load_return_vals[] = { { GIMP_PDB_IMAGE, "image", "Output image" } }; static const GimpParamDef save_args[] = { { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" }, { GIMP_PDB_IMAGE, "image", "Input image" }, { GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" }, { GIMP_PDB_STRING, "filename", "The name of the file to save" }, { GIMP_PDB_STRING, "raw-filename", "The name entered" }, { GIMP_PDB_STRING, "comment", "Image description (maximum 72 bytes)" }, { GIMP_PDB_INT32, "x10", "Save in X10 format" }, { GIMP_PDB_INT32, "x-hot", "X coordinate of hotspot" }, { GIMP_PDB_INT32, "y-hot", "Y coordinate of hotspot" }, { GIMP_PDB_STRING, "prefix", "Identifier prefix [determined from filename]"}, { GIMP_PDB_INT32, "write-mask", "(0 = ignore, 1 = save as extra file)" }, { GIMP_PDB_STRING, "mask-extension", "Extension of the mask file" } } ; gimp_install_procedure (LOAD_PROC, "Load a file in X10 or X11 bitmap (XBM) file format", "Load a file in X10 or X11 bitmap (XBM) file format. XBM is a lossless format for flat black-and-white (two color indexed) images.", "Gordon Matzigkeit", "Gordon Matzigkeit", "1998", N_("X BitMap image"), NULL, GIMP_PLUGIN, G_N_ELEMENTS (load_args), G_N_ELEMENTS (load_return_vals), load_args, load_return_vals); gimp_register_file_handler_mime (LOAD_PROC, "image/x-xbitmap"); gimp_register_load_handler (LOAD_PROC, "xbm,icon,bitmap", ""); gimp_install_procedure (SAVE_PROC, "Save a file in X10 or X11 bitmap (XBM) file format", "Save a file in X10 or X11 bitmap (XBM) file format. XBM is a lossless format for flat black-and-white (two color indexed) images.", "Gordon Matzigkeit", "Gordon Matzigkeit", "1998", N_("X BitMap image"), "INDEXED", GIMP_PLUGIN, G_N_ELEMENTS (save_args), 0, save_args, NULL); gimp_register_file_handler_mime (SAVE_PROC, "image/x-xbitmap"); gimp_register_save_handler (SAVE_PROC, "xbm,icon,bitmap", ""); } static gchar * init_prefix (const gchar *filename) { gchar *p, *prefix; gint len; prefix = g_path_get_basename (filename); memset (xsvals.prefix, 0, sizeof (xsvals.prefix)); if (prefix) { /* Strip any extension. */ p = strrchr (prefix, '.'); if (p && p != prefix) len = MIN (MAX_PREFIX, p - prefix); else len = MAX_PREFIX; strncpy (xsvals.prefix, prefix, len); g_free (prefix); } return xsvals.prefix; } 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; gint32 image_ID; gint32 drawable_ID; GimpParasite *parasite = NULL; gchar *mask_filename = NULL; GError *error = NULL; GimpExportReturn export = GIMP_EXPORT_CANCEL; INIT_I18N (); strncpy (xsvals.comment, "Created with GIMP", MAX_COMMENT); 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; #ifdef VERBOSE if (verbose) printf ("XBM: RUN %s\n", name); #endif if (strcmp (name, LOAD_PROC) == 0) { image_ID = load_image (param[1].data.d_string, &error); if (image_ID != -1) { *nreturn_vals = 2; values[1].type = GIMP_PDB_IMAGE; values[1].data.d_image = image_ID; } else { status = GIMP_PDB_EXECUTION_ERROR; } } else if (strcmp (name, SAVE_PROC) == 0) { image_ID = param[1].data.d_int32; drawable_ID = param[2].data.d_int32; switch (run_mode) { case GIMP_RUN_INTERACTIVE: case GIMP_RUN_WITH_LAST_VALS: gimp_ui_init (PLUG_IN_BINARY, FALSE); export = gimp_export_image (&image_ID, &drawable_ID, NULL, GIMP_EXPORT_CAN_HANDLE_BITMAP | GIMP_EXPORT_CAN_HANDLE_ALPHA); if (export == GIMP_EXPORT_CANCEL) { values[0].data.d_status = GIMP_PDB_CANCEL; return; } break; default: break; } switch (run_mode) { case GIMP_RUN_INTERACTIVE: case GIMP_RUN_WITH_LAST_VALS: /* Possibly retrieve data */ gimp_get_data (SAVE_PROC, &xsvals); /* Always override the prefix with the filename. */ mask_filename = g_strdup (init_prefix (param[3].data.d_string)); break; case GIMP_RUN_NONINTERACTIVE: /* Make sure all the required arguments are there! */ if (nparams < 5) { status = GIMP_PDB_CALLING_ERROR; } else { gint i = 5; if (nparams > i) { memset (xsvals.comment, 0, sizeof (xsvals.comment)); strncpy (xsvals.comment, param[i].data.d_string, MAX_COMMENT); } i ++; if (nparams > i) xsvals.x10_format = (param[i].data.d_int32) ? TRUE : FALSE; i += 2; if (nparams > i) { /* They've asked for a hotspot. */ xsvals.use_hot = TRUE; xsvals.x_hot = param[i - 1].data.d_int32; xsvals.y_hot = param[i].data.d_int32; } mask_filename = g_strdup (init_prefix (param[3].data.d_string)); i ++; if (nparams > i) { memset (xsvals.prefix, 0, sizeof (xsvals.prefix)); strncpy (xsvals.prefix, param[i].data.d_string, MAX_PREFIX); } i += 2; if (nparams > i) { xsvals.write_mask = param[i - 1].data.d_int32; memset (xsvals.mask_ext, 0, sizeof (xsvals.mask_ext)); strncpy (xsvals.mask_ext, param[i].data.d_string, MAX_MASK_EXT); } i ++; /* Too many arguments. */ if (nparams > i) status = GIMP_PDB_CALLING_ERROR; } break; default: break; } if (run_mode == GIMP_RUN_INTERACTIVE) { /* Get the parasites */ parasite = gimp_image_get_parasite (image_ID, "gimp-comment"); if (parasite) { gint size = gimp_parasite_data_size (parasite); strncpy (xsvals.comment, gimp_parasite_data (parasite), MIN (size, MAX_COMMENT)); xsvals.comment[MIN (size, MAX_COMMENT) + 1] = 0; gimp_parasite_free (parasite); } parasite = gimp_image_get_parasite (image_ID, "hot-spot"); if (parasite) { gint x, y; if (sscanf (gimp_parasite_data (parasite), "%i %i", &x, &y) == 2) { xsvals.use_hot = TRUE; xsvals.x_hot = x; xsvals.y_hot = y; } gimp_parasite_free (parasite); } /* Acquire information with a dialog */ if (! save_dialog (drawable_ID)) status = GIMP_PDB_CANCEL; } if (status == GIMP_PDB_SUCCESS) { gchar *temp; gchar *mask_prefix; gchar *dirname; temp = mask_filename; if ((dirname = g_path_get_dirname (param[3].data.d_string)) != NULL) { mask_filename = g_strdup_printf ("%s/%s%s.xbm", dirname, temp, xsvals.mask_ext); g_free (dirname); } else { mask_filename = g_strdup_printf ("%s%s.xbm", temp, xsvals.mask_ext); } g_free (temp); /* Change any non-alphanumeric prefix characters to underscores. */ for (temp = xsvals.prefix; *temp; temp++) if (! g_ascii_isalnum (*temp)) *temp = '_'; mask_prefix = g_strdup_printf ("%s%s", xsvals.prefix, xsvals.mask_ext); for (temp = mask_prefix; *temp; temp++) if (! g_ascii_isalnum (*temp)) *temp = '_'; if (save_image (param[3].data.d_string, xsvals.prefix, xsvals.comment, FALSE, image_ID, drawable_ID, &error) && (! xsvals.write_mask || save_image (mask_filename, mask_prefix, xsvals.comment, TRUE, image_ID, drawable_ID, &error))) { /* Store xsvals data */ gimp_set_data (SAVE_PROC, &xsvals, sizeof (xsvals)); } else { status = GIMP_PDB_EXECUTION_ERROR; } g_free (mask_prefix); g_free (mask_filename); } if (export == GIMP_EXPORT_EXPORT) gimp_image_delete (image_ID); } else { status = GIMP_PDB_CALLING_ERROR; } if (status != GIMP_PDB_SUCCESS && error) { *nreturn_vals = 2; values[1].type = GIMP_PDB_STRING; values[1].data.d_string = error->message; } values[0].data.d_status = status; } /* Return the value of a digit. */ static gint getval (gint c, gint base) { const gchar *digits = "0123456789abcdefABCDEF"; gint val; /* Include uppercase hex digits. */ if (base == 16) base = 22; /* Find a match. */ for (val = 0; val < base; val ++) if (c == digits[val]) return (val < 16) ? val : (val - 6); return -1; } /* Get a comment */ static gchar * fgetcomment (FILE *fp) { GString *str = NULL; gint comment, c; comment = 0; do { c = fgetc (fp); if (comment) { if (c == '*') { /* In a comment, with potential to leave. */ comment = 1; } else if (comment == 1 && c == '/') { gchar *retval; /* Leaving a comment. */ comment = 0; retval = g_strstrip (g_strdup (str->str)); g_string_free (str, TRUE); return retval; } else { /* In a comment, with no potential to leave. */ comment = 2; g_string_append_c (str, c); } } else { /* Not in a comment. */ if (c == '/') { /* Potential to enter a comment. */ c = fgetc (fp); if (c == '*') { /* Entered a comment, with no potential to leave. */ comment = 2; str = g_string_new (NULL); } else { /* put everything back and return */ ungetc (c, fp); c = '/'; ungetc (c, fp); return NULL; } } else if (c != EOF && g_ascii_isspace (c)) { /* Skip leading whitespace */ continue; } } } while (comment && c != EOF); if (str) g_string_free (str, TRUE); return NULL; } /* Same as fgetc, but skip C-style comments and insert whitespace. */ static gint cpp_fgetc (FILE *fp) { gint comment, c; /* FIXME: insert whitespace as advertised. */ comment = 0; do { c = fgetc (fp); if (comment) { if (c == '*') /* In a comment, with potential to leave. */ comment = 1; else if (comment == 1 && c == '/') /* Leaving a comment. */ comment = 0; else /* In a comment, with no potential to leave. */ comment = 2; } else { /* Not in a comment. */ if (c == '/') { /* Potential to enter a comment. */ c = fgetc (fp); if (c == '*') /* Entered a comment, with no potential to leave. */ comment = 2; else { /* Just a slash in the open. */ ungetc (c, fp); c = '/'; } } } } while (comment && c != EOF); return c; } /* Match a string with a file. */ static gint match (FILE *fp, const gchar *s) { gint c; do { c = fgetc (fp); if (c == *s) s ++; else break; } while (c != EOF && *s); if (!*s) return TRUE; if (c != EOF) ungetc (c, fp); return FALSE; } /* Read the next integer from the file, skipping all non-integers. */ static gint get_int (FILE *fp) { int digval, base, val, c; do c = cpp_fgetc (fp); while (c != EOF && ! g_ascii_isdigit (c)); if (c == EOF) return 0; /* Check for the base. */ if (c == '0') { c = fgetc (fp); if (c == 'x' || c == 'X') { c = fgetc (fp); base = 16; } else if (g_ascii_isdigit (c)) base = 8; else { ungetc (c, fp); return 0; } } else base = 10; val = 0; for (;;) { digval = getval (c, base); if (digval == -1) { ungetc (c, fp); break; } val *= base; val += digval; c = fgetc (fp); } return val; } static gint32 load_image (const gchar *filename, GError **error) { GimpPixelRgn pixel_rgn; GimpDrawable *drawable; FILE *fp; gint32 image_ID; gint32 layer_ID; guchar *data; gint intbits; gint width = 0; gint height = 0; gint x_hot = 0; gint y_hot = 0; gint c, i, j, k; gint tileheight, rowoffset; gchar *comment; const guchar cmap[] = { 0x00, 0x00, 0x00, /* black */ 0xff, 0xff, 0xff /* white */ }; fp = g_fopen (filename, "rb"); if (! fp) { g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno), _("Could not open '%s' for reading: %s"), gimp_filename_to_utf8 (filename), g_strerror (errno)); return -1; } gimp_progress_init_printf (_("Opening '%s'"), gimp_filename_to_utf8 (filename)); comment = fgetcomment (fp); /* Loosely parse the header */ intbits = height = width = 0; c = ' '; do { if (g_ascii_isspace (c)) { if (match (fp, "char")) { c = fgetc (fp); if (g_ascii_isspace (c)) { intbits = 8; continue; } } else if (match (fp, "short")) { c = fgetc (fp); if (g_ascii_isspace (c)) { intbits = 16; continue; } } } if (c == '_') { if (match (fp, "width")) { c = fgetc (fp); if (g_ascii_isspace (c)) { width = get_int (fp); continue; } } else if (match (fp, "height")) { c = fgetc (fp); if (g_ascii_isspace (c)) { height = get_int (fp); continue; } } else if (match (fp, "x_hot")) { c = fgetc (fp); if (g_ascii_isspace (c)) { x_hot = get_int (fp); continue; } } else if (match (fp, "y_hot")) { c = fgetc (fp); if (g_ascii_isspace (c)) { y_hot = get_int (fp); continue; } } } c = cpp_fgetc (fp); } while (c != '{' && c != EOF); if (c == EOF) { g_message (_("'%s':\nCould not read header (ftell == %ld)"), gimp_filename_to_utf8 (filename), ftell (fp)); return -1; } if (width <= 0) { g_message (_("'%s':\nNo image width specified"), gimp_filename_to_utf8 (filename)); return -1; } if (width > GIMP_MAX_IMAGE_SIZE) { g_message (_("'%s':\nImage width is larger than GIMP can handle"), gimp_filename_to_utf8 (filename)); return -1; } if (height <= 0) { g_message (_("'%s':\nNo image height specified"), gimp_filename_to_utf8 (filename)); return -1; } if (height > GIMP_MAX_IMAGE_SIZE) { g_message (_("'%s':\nImage height is larger than GIMP can handle"), gimp_filename_to_utf8 (filename)); return -1; } if (intbits == 0) { g_message (_("'%s':\nNo image data type specified"), gimp_filename_to_utf8 (filename)); return -1; } image_ID = gimp_image_new (width, height, GIMP_INDEXED); gimp_image_set_filename (image_ID, filename); if (comment) { GimpParasite *parasite; parasite = gimp_parasite_new ("gimp-comment", GIMP_PARASITE_PERSISTENT, strlen (comment) + 1, (gpointer) comment); gimp_image_attach_parasite (image_ID, parasite); gimp_parasite_free (parasite); g_free (comment); } x_hot = CLAMP (x_hot, 0, width); y_hot = CLAMP (y_hot, 0, height); if (x_hot > 0 || y_hot > 0) { GimpParasite *parasite; gchar *str; str = g_strdup_printf ("%d %d", x_hot, y_hot); parasite = gimp_parasite_new ("hot-spot", GIMP_PARASITE_PERSISTENT, strlen (str) + 1, (gpointer) str); g_free (str); gimp_image_attach_parasite (image_ID, parasite); gimp_parasite_free (parasite); } /* Set a black-and-white colormap. */ gimp_image_set_colormap (image_ID, cmap, 2); layer_ID = gimp_layer_new (image_ID, _("Background"), width, height, GIMP_INDEXED_IMAGE, 100, GIMP_NORMAL_MODE); gimp_image_insert_layer (image_ID, layer_ID, -1, 0); drawable = gimp_drawable_get (layer_ID); /* Prepare the pixel region. */ gimp_pixel_rgn_init (&pixel_rgn, drawable, 0, 0, width, height, TRUE, FALSE); /* Allocate the data. */ tileheight = gimp_tile_height (); data = (guchar *) g_malloc (width * tileheight); for (i = 0; i < height; i += tileheight) { tileheight = MIN (tileheight, height - i); #ifdef VERBOSE if (verbose > 1) printf ("XBM: reading %dx(%d+%d) pixel region\n", width, i, tileheight); #endif /* Parse the data from the file */ for (j = 0; j < tileheight; j ++) { /* Read each row. */ rowoffset = j * width; for (k = 0; k < width; k ++) { /* Expand each integer into INTBITS pixels. */ if (k % intbits == 0) { c = get_int (fp); /* Flip all the bits so that 1's become black and 0's become white. */ c ^= 0xffff; } data[rowoffset + k] = c & 1; c >>= 1; } } /* Put the data into the image. */ gimp_progress_update ((double) (i + tileheight) / (double) height); gimp_pixel_rgn_set_rect (&pixel_rgn, data, 0, i, width, tileheight); } gimp_progress_update (1.0); g_free (data); gimp_drawable_flush (drawable); gimp_drawable_detach (drawable); fclose (fp); return image_ID; } static gboolean save_image (const gchar *filename, const gchar *prefix, const gchar *comment, gboolean save_mask, gint32 image_ID, gint32 drawable_ID, GError **error) { GimpDrawable *drawable; GimpPixelRgn pixel_rgn; FILE *fp; gint width, height, colors, dark; gint intbits, lineints, need_comma, nints, rowoffset, tileheight; gint c, i, j, k, thisbit; gboolean has_alpha; gint bpp; guchar *data, *cmap; const gchar *intfmt; #if 0 if (save_mask) g_printerr ("%s: save_mask '%s'\n", G_STRFUNC, prefix); else g_printerr ("%s: save_image '%s'\n", G_STRFUNC, prefix); #endif drawable = gimp_drawable_get (drawable_ID); width = drawable->width; height = drawable->height; cmap = gimp_image_get_colormap (image_ID, &colors); if (! gimp_drawable_is_indexed (drawable_ID) || colors > 2) { /* The image is not black-and-white. */ g_message (_("The image which you are trying to save as " "an XBM contains more than two colors.\n\n" "Please convert it to a black and white " "(1-bit) indexed image and try again.")); return FALSE; } has_alpha = gimp_drawable_has_alpha (drawable_ID); if (! has_alpha && save_mask) { g_message (_("You cannot save a cursor mask for an image\n" "which has no alpha channel.")); return FALSE; } bpp = gimp_drawable_bpp (drawable_ID); /* Figure out which color is black, and which is white. */ dark = 0; if (colors > 1) { gint first, second; /* Maybe the second color is darker than the first. */ first = (cmap[0] * cmap[0]) + (cmap[1] * cmap[1]) + (cmap[2] * cmap[2]); second = (cmap[3] * cmap[3]) + (cmap[4] * cmap[4]) + (cmap[5] * cmap[5]); if (second < first) dark = 1; } /* Now actually save the data. */ fp = g_fopen (filename, "w"); if (! fp) { g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno), _("Could not open '%s' for writing: %s"), gimp_filename_to_utf8 (filename), g_strerror (errno)); return FALSE; } gimp_progress_init_printf (_("Saving '%s'"), gimp_filename_to_utf8 (filename)); /* Maybe write the image comment. */ #if 0 /* DISABLED - see http://bugzilla.gnome.org/show_bug.cgi?id=82763 */ /* a future version should write the comment at the end of the file */ if (*comment) fprintf (fp, "/* %s */\n", comment); #endif /* Write out the image height and width. */ fprintf (fp, "#define %s_width %d\n", prefix, width); fprintf (fp, "#define %s_height %d\n", prefix, height); /* Write out the hotspot, if any. */ if (xsvals.use_hot) { fprintf (fp, "#define %s_x_hot %d\n", prefix, xsvals.x_hot); fprintf (fp, "#define %s_y_hot %d\n", prefix, xsvals.y_hot); } /* Now write the actual data. */ if (xsvals.x10_format) { /* We can fit 9 hex shorts on a single line. */ lineints = 9; intbits = 16; intfmt = " 0x%04x"; } else { /* We can fit 12 hex chars on a single line. */ lineints = 12; intbits = 8; intfmt = " 0x%02x"; } fprintf (fp, "static %s %s_bits[] = {\n ", xsvals.x10_format ? "unsigned short" : "unsigned char", prefix); /* Allocate a new set of pixels. */ tileheight = gimp_tile_height (); data = (guchar *) g_malloc (width * tileheight * bpp); gimp_pixel_rgn_init (&pixel_rgn, drawable, 0, 0, width, height, FALSE, FALSE); /* Write out the integers. */ need_comma = 0; nints = 0; for (i = 0; i < height; i += tileheight) { /* Get a horizontal slice of the image. */ tileheight = MIN (tileheight, height - i); gimp_pixel_rgn_get_rect (&pixel_rgn, data, 0, i, width, tileheight); #ifdef VERBOSE if (verbose > 1) printf ("XBM: writing %dx(%d+%d) pixel region\n", width, i, tileheight); #endif for (j = 0; j < tileheight; j ++) { /* Write out a row at a time. */ rowoffset = j * width * bpp; c = 0; thisbit = 0; for (k = 0; k < width * bpp; k += bpp) { if (k != 0 && thisbit == intbits) { /* Output a completed integer. */ if (need_comma) fputc (',', fp); need_comma = 1; /* Maybe start a new line. */ if (nints ++ >= lineints) { nints = 1; fputs ("\n ", fp); } fprintf (fp, intfmt, c); /* Start a new integer. */ c = 0; thisbit = 0; } /* Pack INTBITS pixels into an integer. */ if (save_mask) { c |= ((data[rowoffset + k + 1] < 128) ? 0 : 1) << (thisbit ++); } else { if (has_alpha && (data[rowoffset + k + 1] < 128)) c |= 0 << (thisbit ++); else c |= ((data[rowoffset + k] == dark) ? 1 : 0) << (thisbit ++); } } if (thisbit != 0) { /* Write out the last oddball int. */ if (need_comma) fputc (',', fp); need_comma = 1; /* Maybe start a new line. */ if (nints ++ == lineints) { nints = 1; fputs ("\n ", fp); } fprintf (fp, intfmt, c); } } gimp_progress_update ((double) (i + tileheight) / (double) height); } gimp_progress_update (1.0); /* Write the trailer. */ fprintf (fp, " };\n"); fclose (fp); return TRUE; } static gboolean save_dialog (gint32 drawable_ID) { GtkWidget *dialog; GtkWidget *frame; GtkWidget *vbox; GtkWidget *toggle; GtkWidget *table; GtkWidget *entry; GtkWidget *spinbutton; GtkObject *adj; gboolean run; dialog = gimp_export_dialog_new (_("XBM"), PLUG_IN_BINARY, SAVE_PROC); /* parameter settings */ frame = gimp_frame_new (_("XBM Options")); gtk_container_set_border_width (GTK_CONTAINER (frame), 12); gtk_box_pack_start (GTK_BOX (gimp_export_dialog_get_content_area (dialog)), frame, TRUE, TRUE, 0); gtk_widget_show (frame); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); gtk_container_add (GTK_CONTAINER (frame), vbox); /* X10 format */ toggle = gtk_check_button_new_with_mnemonic (_("_X10 format bitmap")); gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), xsvals.x10_format); gtk_widget_show (toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (gimp_toggle_button_update), &xsvals.x10_format); 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); /* prefix */ entry = gtk_entry_new (); gtk_entry_set_max_length (GTK_ENTRY (entry), MAX_PREFIX); gtk_entry_set_text (GTK_ENTRY (entry), xsvals.prefix); gimp_table_attach_aligned (GTK_TABLE (table), 0, 0, _("_Identifier prefix:"), 0.0, 0.5, entry, 1, TRUE); g_signal_connect (entry, "changed", G_CALLBACK (prefix_entry_callback), NULL); /* comment string. */ #if 0 /* DISABLED - see http://bugzilla.gnome.org/show_bug.cgi?id=82763 */ entry = gtk_entry_new (); gtk_entry_set_max_length (GTK_ENTRY (entry), MAX_COMMENT); gtk_widget_set_size_request (entry, 240, -1); gtk_entry_set_text (GTK_ENTRY (entry), xsvals.comment); gimp_table_attach_aligned (GTK_TABLE (table), 0, 1, _("Comment:"), 0.0, 0.5, entry, 1, TRUE); g_signal_connect (entry, "changed", G_CALLBACK (comment_entry_callback), NULL); #endif /* hotspot toggle */ toggle = gtk_check_button_new_with_mnemonic (_("_Write hot spot values")); gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), xsvals.use_hot); gtk_widget_show (toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (gimp_toggle_button_update), &xsvals.use_hot); 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); g_object_bind_property (toggle, "active", table, "sensitive", G_BINDING_SYNC_CREATE); spinbutton = gimp_spin_button_new (&adj, xsvals.x_hot, 0, gimp_drawable_width (drawable_ID) - 1, 1, 10, 0, 0, 0); gimp_table_attach_aligned (GTK_TABLE (table), 0, 0, _("Hot spot _X:"), 0.0, 0.5, spinbutton, 1, TRUE); g_signal_connect (adj, "value-changed", G_CALLBACK (gimp_int_adjustment_update), &xsvals.x_hot); spinbutton = gimp_spin_button_new (&adj, xsvals.y_hot, 0, gimp_drawable_height (drawable_ID) - 1, 1, 10, 0, 0, 0); gimp_table_attach_aligned (GTK_TABLE (table), 0, 1, _("Hot spot _Y:"), 0.0, 0.5, spinbutton, 1, TRUE); g_signal_connect (adj, "value-changed", G_CALLBACK (gimp_int_adjustment_update), &xsvals.y_hot); /* mask file */ frame = gimp_frame_new (_("Mask File")); gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0); gtk_widget_show (frame); 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_container_add (GTK_CONTAINER (frame), table); gtk_widget_show (table); toggle = gtk_check_button_new_with_mnemonic (_("W_rite extra mask file")); gtk_table_attach_defaults (GTK_TABLE (table), toggle, 0, 2, 0, 1); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), xsvals.write_mask); gtk_widget_show (toggle); g_signal_connect (toggle, "toggled", G_CALLBACK (gimp_toggle_button_update), &xsvals.write_mask); entry = gtk_entry_new (); gtk_entry_set_max_length (GTK_ENTRY (entry), MAX_MASK_EXT); gtk_entry_set_text (GTK_ENTRY (entry), xsvals.mask_ext); gimp_table_attach_aligned (GTK_TABLE (table), 0, 1, _("_Mask file extension:"), 0.0, 0.5, entry, 1, TRUE); g_signal_connect (entry, "changed", G_CALLBACK (mask_ext_entry_callback), NULL); g_object_bind_property (toggle, "active", entry, "sensitive", G_BINDING_SYNC_CREATE); gtk_widget_set_sensitive (frame, gimp_drawable_has_alpha (drawable_ID)); /* Done. */ gtk_widget_show (vbox); gtk_widget_show (dialog); run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK); gtk_widget_destroy (dialog); return run; } /* Update the comment string. */ #if 0 /* DISABLED - see http://bugzilla.gnome.org/show_bug.cgi?id=82763 */ static void comment_entry_callback (GtkWidget *widget, gpointer data) { memset (xsvals.comment, 0, sizeof (xsvals.comment)); strncpy (xsvals.comment, gtk_entry_get_text (GTK_ENTRY (widget)), MAX_COMMENT); } #endif static void prefix_entry_callback (GtkWidget *widget, gpointer data) { memset (xsvals.prefix, 0, sizeof (xsvals.prefix)); strncpy (xsvals.prefix, gtk_entry_get_text (GTK_ENTRY (widget)), MAX_PREFIX); } static void mask_ext_entry_callback (GtkWidget *widget, gpointer data) { memset (xsvals.mask_ext, 0, sizeof (xsvals.mask_ext)); strncpy (xsvals.mask_ext, gtk_entry_get_text (GTK_ENTRY (widget)), MAX_MASK_EXT); }