/* bmp.c */ /* Version 0.51 */ /* This is a File input and output filter for the */ /* Gimp. It loads and saves images in windows(TM) */ /* bitmap format. */ /* Some Parts that deal with the interaction with */ /* the Gimp are taken from the GIF plugin by */ /* Peter Mattis & Spencer Kimball and from the */ /* PCX plugin by Francisco Bustamante. */ /* */ /* Alexander.Schulz@stud.uni-karlsruhe.de */ /* Changes: 28.11.1997 Noninteractive operation */ /* 16.03.1998 Endian-independent!! */ /* 21.03.1998 Little Bug-fix */ /* 06.04.1998 Bugfix in Padding */ /* 11.04.1998 Arch. cleanup (-Wall) */ /* Parses gtkrc */ /* 14.04.1998 Another Bug in Padding */ /* 28.04.1998 RLE-Encoding rewritten */ /* 29.10.1998 Changes by Tor Lillqvist */ /* to support */ /* 16 and 32 bit images */ /* 28.11.1998 Bug in RLE-read-padding */ /* fixed. */ /* 19.12.1999 Resolution support added */ /* 06.05.2000 Overhaul for 16&24-bit */ /* plus better OS/2 code */ /* by njl195@zepler.org.uk */ /* * 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 #include #include #include #include #include #include "bmp.h" #include "libgimp/stdplugins-intl.h" FILE *errorfile; gchar *prog_name = "bmp"; gchar *filename; gint interactive_bmp; struct Bitmap_File_Head_Struct Bitmap_File_Head; struct Bitmap_Head_Struct Bitmap_Head; /* Declare some local functions. */ static void query (void); static void run (gchar *name, gint nparams, GimpParam *param, gint *nreturn_vals, GimpParam **return_vals); GimpPlugInInfo PLUG_IN_INFO = { NULL, /* init_proc */ NULL, /* quit_proc */ query, /* query_proc */ run, /* run_proc */ }; MAIN () static void query (void) { static GimpParamDef load_args[] = { { GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" }, { GIMP_PDB_STRING, "filename", "The name of the file to load" }, { GIMP_PDB_STRING, "raw_filename", "The name entered" }, }; static GimpParamDef load_return_vals[] = { { GIMP_PDB_IMAGE, "image", "Output image" }, }; 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 entered" }, }; INIT_I18N(); gimp_install_procedure ("file_bmp_load", "Loads files of Windows BMP file format", "Loads files of Windows BMP file format", "Alexander Schulz", "Alexander Schulz", "1997", "/BMP", NULL, GIMP_PLUGIN, G_N_ELEMENTS (load_args), G_N_ELEMENTS (load_return_vals), load_args, load_return_vals); gimp_install_procedure ("file_bmp_save", "Saves files in Windows BMP file format", "Saves files in Windows BMP file format", "Alexander Schulz", "Alexander Schulz", "1997", "/BMP", "INDEXED, GRAY, RGB", GIMP_PLUGIN, G_N_ELEMENTS (save_args), 0, save_args, NULL); gimp_register_magic_load_handler ("file_bmp_load", "bmp", "", "0,string,BM"); gimp_register_save_handler ("file_bmp_save", "bmp", ""); } static void run (gchar *name, gint nparams, 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; 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_bmp_load") == 0) { INIT_I18N_UI(); switch (run_mode) { case GIMP_RUN_INTERACTIVE: interactive_bmp = TRUE; break; case GIMP_RUN_NONINTERACTIVE: /* Make sure all the arguments are there! */ interactive_bmp = FALSE; if (nparams != 3) status = GIMP_PDB_CALLING_ERROR; break; default: break; } if (status == GIMP_PDB_SUCCESS) { image_ID = ReadBMP (param[1].data.d_string); 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, "file_bmp_save") == 0) { INIT_I18N_UI(); 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: gimp_ui_init ("bmp", FALSE); export = gimp_export_image (&image_ID, &drawable_ID, "BMP", (GIMP_EXPORT_CAN_HANDLE_RGB | GIMP_EXPORT_CAN_HANDLE_GRAY | GIMP_EXPORT_CAN_HANDLE_INDEXED)); if (export == GIMP_EXPORT_CANCEL) { values[0].data.d_status = GIMP_PDB_CANCEL; return; } break; default: break; } switch (run_mode) { case GIMP_RUN_INTERACTIVE: interactive_bmp = TRUE; break; case GIMP_RUN_NONINTERACTIVE: /* Make sure all the arguments are there! */ interactive_bmp = FALSE; if (nparams != 5) status = GIMP_PDB_CALLING_ERROR; break; case GIMP_RUN_WITH_LAST_VALS: interactive_bmp = FALSE; break; default: break; } if (status == GIMP_PDB_SUCCESS) { status = WriteBMP (param[3].data.d_string, image_ID, drawable_ID); } if (export == GIMP_EXPORT_EXPORT) gimp_image_delete (image_ID); } else { status = GIMP_PDB_CALLING_ERROR; } values[0].data.d_status = status; } gint32 ToL (guchar *puffer) { return (puffer[0] | puffer[1]<<8 | puffer[2]<<16 | puffer[3]<<24); } gint16 ToS (guchar *puffer) { return (puffer[0] | puffer[1]<<8); } void FromL (gint32 wert, guchar *bopuffer) { bopuffer[0] = (wert & 0x000000ff)>>0x00; bopuffer[1] = (wert & 0x0000ff00)>>0x08; bopuffer[2] = (wert & 0x00ff0000)>>0x10; bopuffer[3] = (wert & 0xff000000)>>0x18; } void FromS (gint16 wert, guchar *bopuffer) { bopuffer[0] = (wert & 0x00ff)>>0x00; bopuffer[1] = (wert & 0xff00)>>0x08; }