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- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #include "config.h"
-
- #include <stdlib.h>
- #include <string.h>
- #include <stdio.h>
-
- #include <gtk/gtk.h>
-
- #include <libgimp/gimp.h>
- #include <libgimp/gimpui.h>
-
- #include "libgimp/stdplugins-intl.h"
-
-
- /* Declare some local functions.
- */
- static void query (void);
- static void run (gchar *name,
- gint nparams,
- GimpParam *param,
- gint *nreturn_vals,
- GimpParam **return_vals);
- static gint save_image (gchar *filename,
- gint32 image_ID,
- gint32 drawable_ID);
-
-
- GimpPlugInInfo PLUG_IN_INFO =
- {
- NULL, /* init_proc */
- NULL, /* quit_proc */
- query, /* query_proc */
- run, /* run_proc */
- };
-
-
- MAIN ()
-
- static void
- query (void)
- {
- static GimpParamDef save_args[] =
- {
- { GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
- { 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" }
- };
- static gint nsave_args = sizeof (save_args) / sizeof (save_args[0]);
-
- gimp_install_procedure ("file_header_save",
- "saves files as C unsigned character array",
- "FIXME: write help",
- "Spencer Kimball & Peter Mattis",
- "Spencer Kimball & Peter Mattis",
- "1997",
- "<Save>/Header",
- "INDEXED, RGB",
- GIMP_PLUGIN,
- nsave_args, 0,
- save_args, NULL);
-
- gimp_register_save_handler ("file_header_save",
- "h",
- "");
- }
-
- static void
- run (gchar *name,
- gint nparams,
- GimpParam *param,
- gint *nreturn_vals,
- GimpParam **return_vals)
- {
- static GimpParam values[2];
- GimpRunModeType run_mode;
- GimpPDBStatusType status = GIMP_PDB_SUCCESS;
- gint32 image_ID;
- gint32 drawable_ID;
- GimpExportReturnType export = GIMP_EXPORT_CANCEL;
-
- 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 (strcmp (name, "file_header_save") == 0)
- {
- image_ID = param[1].data.d_int32;
- drawable_ID = param[2].data.d_int32;
-
- /* eventually export the image */
- switch (run_mode)
- {
- case GIMP_RUN_INTERACTIVE:
- case GIMP_RUN_WITH_LAST_VALS:
- INIT_I18N_UI();
- gimp_ui_init ("header", FALSE);
- export = gimp_export_image (&image_ID, &drawable_ID, "Header",
- (GIMP_EXPORT_CAN_HANDLE_RGB |
- GIMP_EXPORT_CAN_HANDLE_INDEXED));
- if (export == GIMP_EXPORT_CANCEL)
- {
- values[0].data.d_status = GIMP_PDB_CANCEL;
- return;
- }
- break;
- default:
- break;
- }
-
- if (! save_image (param[3].data.d_string, image_ID, drawable_ID))
- {
- status = GIMP_PDB_EXECUTION_ERROR;
- }
-
- if (export == GIMP_EXPORT_EXPORT)
- gimp_image_delete (image_ID);
- }
- else
- {
- status = GIMP_PDB_CALLING_ERROR;
- }
-
- values[0].data.d_status = status;
- }
-
- static int
- save_image (gchar *filename,
- gint32 image_ID,
- gint32 drawable_ID)
- {
- GimpPixelRgn pixel_rgn;
- GimpDrawable *drawable;
- GimpImageType drawable_type;
- FILE *fp;
- gint x, y, b, c;
- gchar *backslash = "\\\\";
- gchar *quote = "\\\"";
- gchar *newline = "\"\n\t\"";
- gchar buf[4];
- guchar *d = NULL;
- guchar *data;
- guchar *cmap;
- gint colors;
-
- if ((fp = fopen (filename, "w")) == NULL)
- return FALSE;
-
- drawable = gimp_drawable_get (drawable_ID);
- drawable_type = gimp_drawable_type (drawable_ID);
- gimp_pixel_rgn_init (&pixel_rgn, drawable,
- 0, 0, drawable->width, drawable->height, FALSE, FALSE);
-
- fprintf (fp, "/* GIMP header image file format (%s): %s */\n\n",
- GIMP_RGB_IMAGE == drawable_type ? "RGB" : "INDEXED", filename);
- fprintf (fp, "static unsigned int width = %d;\n", drawable->width);
- fprintf (fp, "static unsigned int height = %d;\n\n", drawable->height);
- fprintf (fp, "/* Call this macro repeatedly. After each use, the pixel data can be extracted */\n\n");
- switch (drawable_type)
- {
- case GIMP_RGB_IMAGE:
- fprintf (fp, "#define HEADER_PIXEL(data,pixel) {\\\n pixel[0] = (((data[0] - 33) << 2) | ((data[1] - 33) >> 4)); \\\n pixel[1] = ((((data[1] - 33) & 0xF) << 4) | ((data[2] - 33) >> 2)); \\\n pixel[2] = ((((data[2] - 33) & 0x3) << 6) | ((data[3] - 33))); \\\n data += 4;\n}\n");
- fprintf (fp, "static char *header_data =\n\t\"");
-
- data = g_new (guchar, drawable->width * drawable->bpp);
-
- c = 0;
- for (y = 0; y < drawable->height; y++)
- {
- gimp_pixel_rgn_get_row (&pixel_rgn, data, 0, y, drawable->width);
- for (x = 0; x < drawable->width; x++)
- {
- d = data + x * drawable->bpp;
-
- buf[0] = ((d[0] >> 2) & 0x3F) + 33;
- buf[1] = ((((d[0] & 0x3) << 4) | (d[1] >> 4)) & 0x3F) + 33;
- buf[2] = ((((d[1] & 0xF) << 2) | (d[2] >> 6)) & 0x3F) + 33;
- buf[3] = (d[2] & 0x3F) + 33;
-
- for (b = 0; b < 4; b++)
- if (buf[b] == '"')
- fwrite (quote, 1, 2, fp);
- else if (buf[b] == '\\')
- fwrite (backslash, 1, 2, fp);
- else
- fwrite (buf + b, 1, 1, fp);
-
- c++;
- if (c >= 16)
- {
- fwrite (newline, 1, 4, fp);
- c = 0;
- }
- }
- }
- fprintf (fp, "\";\n");
- break;
-
- case GIMP_INDEXED_IMAGE:
- fprintf (fp, "#define HEADER_PIXEL(data,pixel) {\\\n pixel[0] = header_data_cmap[(unsigned char)data[0]][0]; \\\n pixel[1] = header_data_cmap[(unsigned char)data[0]][1]; \\\n pixel[2] = header_data_cmap[(unsigned char)data[0]][2]; \\\n data ++; }\n\n");
- /* save colormap */
- cmap = gimp_image_get_cmap (image_ID, &colors);
-
- fprintf (fp, "static char header_data_cmap[256][3] = {");
- fprintf(fp, "\n\t{%3d,%3d,%3d}", (int)cmap[0], (int)cmap[1], (int)cmap[2]);
- for (c = 1; c < colors; c++)
- fprintf(fp, ",\n\t{%3d,%3d,%3d}", (int)cmap[3*c], (int)cmap[3*c+1], (int)cmap[3*c+2]);
- /* fill the rest */
- for ( ; c < 256; c++)
- fprintf(fp, ",\n\t{255,255,255}");
- /* close bracket */
- fprintf(fp, "\n\t};\n");
- g_free(cmap);
-
- /* save image */
- fprintf (fp, "static char header_data[] = {\n\t");
-
- data = g_new (guchar, drawable->width * drawable->bpp);
-
- c = 0;
- for (y = 0; y < drawable->height; y++)
- {
- gimp_pixel_rgn_get_row (&pixel_rgn, data, 0, y, drawable->width);
- for (x = 0; x < drawable->width-1; x++)
- {
- d = data + x * drawable->bpp;
-
- fprintf(fp, "%d,", (int)d[0]);
-
- c++;
- if (c >= 16)
- {
- fprintf (fp, "\n\t");
- c = 0;
- }
- }
-
- if (y != drawable->height - 1)
- fprintf(fp, "%d,\n\t", (int)d[1]);
- else
- fprintf(fp, "%d\n\t", (int)d[1]);
- c = 0; /* reset line counter */
- }
- fprintf (fp, "};\n");
- break;
- default:
- g_warning ("unhandled drawable type (%d)", drawable_type);
- return FALSE;
- } /* switch (drawable_type) */
-
- fclose (fp);
-
- g_free (data);
- gimp_drawable_detach (drawable);
-
- return TRUE;
- }
-