mirror of https://github.com/GNOME/gimp.git
306 lines
8.6 KiB
C
306 lines
8.6 KiB
C
/* bmp.c */
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/* Version 0.51 */
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/* This is a File input and output filter for the */
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/* Gimp. It loads and saves images in windows(TM) */
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/* bitmap format. */
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/* Some Parts that deal with the interaction with */
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/* the Gimp are taken from the GIF plugin by */
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/* Peter Mattis & Spencer Kimball and from the */
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/* PCX plugin by Francisco Bustamante. */
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/* */
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/* Alexander.Schulz@stud.uni-karlsruhe.de */
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/* Changes: 28.11.1997 Noninteractive operation */
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/* 16.03.1998 Endian-independent!! */
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/* 21.03.1998 Little Bug-fix */
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/* 06.04.1998 Bugfix in Padding */
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/* 11.04.1998 Arch. cleanup (-Wall) */
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/* Parses gtkrc */
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/* 14.04.1998 Another Bug in Padding */
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/* 28.04.1998 RLE-Encoding rewritten */
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/* 29.10.1998 Changes by Tor Lillqvist */
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/* <tml@iki.fi> to support */
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/* 16 and 32 bit images */
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/* 28.11.1998 Bug in RLE-read-padding */
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/* fixed. */
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/* 19.12.1999 Resolution support added */
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/* 06.05.2000 Overhaul for 16&24-bit */
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/* plus better OS/2 code */
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/* by njl195@zepler.org.uk */
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/*
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* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* ----------------------------------------------------------------------------
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gtk/gtk.h>
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#include <libgimp/gimp.h>
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#include <libgimp/gimpui.h>
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#include "bmp.h"
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#include "libgimp/stdplugins-intl.h"
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FILE *errorfile;
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gchar *prog_name = "bmp";
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gchar *filename;
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gint interactive_bmp;
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struct Bitmap_File_Head_Struct Bitmap_File_Head;
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struct Bitmap_Head_Struct Bitmap_Head;
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/* Declare some local functions.
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*/
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static void query (void);
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static void run (gchar *name,
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gint nparams,
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GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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GimpPlugInInfo PLUG_IN_INFO =
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{
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NULL, /* init_proc */
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NULL, /* quit_proc */
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query, /* query_proc */
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run, /* run_proc */
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};
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MAIN ()
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static void
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query (void)
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{
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static GimpParamDef load_args[] =
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{
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{ GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
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{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
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{ GIMP_PDB_STRING, "raw_filename", "The name entered" },
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};
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static GimpParamDef load_return_vals[] =
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{
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{ GIMP_PDB_IMAGE, "image", "Output image" },
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};
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static gint nload_args = sizeof (load_args) / sizeof (load_args[0]);
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static gint nload_return_vals = (sizeof (load_return_vals) /
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sizeof (load_return_vals[0]));
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static GimpParamDef save_args[] =
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{
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{ GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
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{ GIMP_PDB_IMAGE, "image", "Input image" },
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{ GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" },
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{ GIMP_PDB_STRING, "filename", "The name of the file to save the image in" },
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{ GIMP_PDB_STRING, "raw_filename", "The name entered" },
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};
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static gint nsave_args = sizeof (save_args) / sizeof (save_args[0]);
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INIT_I18N();
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gimp_install_procedure ("file_bmp_load",
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"Loads files of Windows BMP file format",
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"Loads files of Windows BMP file format",
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"Alexander Schulz",
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"Alexander Schulz",
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"1997",
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"<Load>/BMP",
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NULL,
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GIMP_PLUGIN,
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nload_args, nload_return_vals,
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load_args, load_return_vals);
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gimp_install_procedure ("file_bmp_save",
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"Saves files in Windows BMP file format",
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"Saves files in Windows BMP file format",
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"Alexander Schulz",
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"Alexander Schulz",
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"1997",
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"<Save>/BMP",
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"INDEXED, GRAY, RGB",
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GIMP_PLUGIN,
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nsave_args, 0,
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save_args, NULL);
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gimp_register_magic_load_handler ("file_bmp_load",
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"bmp",
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"",
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"0,string,BM");
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gimp_register_save_handler ("file_bmp_save",
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"bmp",
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"");
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}
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static void
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run (gchar *name,
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gint nparams,
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GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals)
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{
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static GimpParam values[2];
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GimpRunModeType run_mode;
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GimpPDBStatusType status = GIMP_PDB_SUCCESS;
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gint32 image_ID;
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gint32 drawable_ID;
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GimpExportReturnType export = GIMP_EXPORT_CANCEL;
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run_mode = param[0].data.d_int32;
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*nreturn_vals = 1;
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*return_vals = values;
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
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if (strcmp (name, "file_bmp_load") == 0)
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{
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INIT_I18N_UI();
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switch (run_mode)
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{
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case GIMP_RUN_INTERACTIVE:
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interactive_bmp = TRUE;
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break;
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case GIMP_RUN_NONINTERACTIVE:
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/* Make sure all the arguments are there! */
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interactive_bmp = FALSE;
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if (nparams != 3)
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status = GIMP_PDB_CALLING_ERROR;
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break;
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default:
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break;
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}
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if (status == GIMP_PDB_SUCCESS)
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{
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image_ID = ReadBMP (param[1].data.d_string);
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if (image_ID != -1)
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{
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*nreturn_vals = 2;
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values[1].type = GIMP_PDB_IMAGE;
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values[1].data.d_image = image_ID;
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}
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else
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{
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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}
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}
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else if (strcmp (name, "file_bmp_save") == 0)
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{
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INIT_I18N_UI();
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image_ID = param[1].data.d_int32;
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drawable_ID = param[2].data.d_int32;
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/* eventually export the image */
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switch (run_mode)
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{
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case GIMP_RUN_INTERACTIVE:
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case GIMP_RUN_WITH_LAST_VALS:
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gimp_ui_init ("bmp", FALSE);
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export = gimp_export_image (&image_ID, &drawable_ID, "BMP",
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(GIMP_EXPORT_CAN_HANDLE_RGB |
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GIMP_EXPORT_CAN_HANDLE_GRAY |
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GIMP_EXPORT_CAN_HANDLE_INDEXED));
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if (export == GIMP_EXPORT_CANCEL)
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{
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values[0].data.d_status = GIMP_PDB_CANCEL;
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return;
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}
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break;
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default:
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break;
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}
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switch (run_mode)
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{
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case GIMP_RUN_INTERACTIVE:
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interactive_bmp = TRUE;
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break;
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case GIMP_RUN_NONINTERACTIVE:
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/* Make sure all the arguments are there! */
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interactive_bmp = FALSE;
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if (nparams != 5)
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status = GIMP_PDB_CALLING_ERROR;
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break;
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case GIMP_RUN_WITH_LAST_VALS:
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interactive_bmp = FALSE;
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break;
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default:
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break;
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}
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if (status == GIMP_PDB_SUCCESS)
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{
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status = WriteBMP (param[3].data.d_string, image_ID, drawable_ID);
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}
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if (export == GIMP_EXPORT_EXPORT)
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gimp_image_delete (image_ID);
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}
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else
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{
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status = GIMP_PDB_CALLING_ERROR;
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}
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values[0].data.d_status = status;
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}
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gint32
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ToL (guchar *puffer)
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{
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return (puffer[0] | puffer[1]<<8 | puffer[2]<<16 | puffer[3]<<24);
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}
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gint16
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ToS (guchar *puffer)
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{
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return (puffer[0] | puffer[1]<<8);
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}
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void
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FromL (gint32 wert,
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guchar *bopuffer)
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{
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bopuffer[0] = (wert & 0x000000ff)>>0x00;
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bopuffer[1] = (wert & 0x0000ff00)>>0x08;
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bopuffer[2] = (wert & 0x00ff0000)>>0x10;
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bopuffer[3] = (wert & 0xff000000)>>0x18;
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}
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void
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FromS (gint16 wert,
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guchar *bopuffer)
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{
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bopuffer[0] = (wert & 0x00ff)>>0x00;
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bopuffer[1] = (wert & 0xff00)>>0x08;
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}
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