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gimp/plug-ins/file-bmp/bmp.c

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/* bmp.c */
/* Version 0.52 */
/* 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 */
/* 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 */
/* <tml@iki.fi> 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 */
/* 29.06.2006 Full support for 16/32 */
/* bits bitmaps and support */
/* for alpha channel */
/* by p.filiciak@zax.pl */
/*
* GIMP - The GNU 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 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 <http://www.gnu.org/licenses/>.
* ----------------------------------------------------------------------------
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "bmp.h"
#include "bmp-load.h"
#include "bmp-save.h"
#include "libgimp/stdplugins-intl.h"
/* 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);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
MAIN ()
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 the image in" },
{ GIMP_PDB_STRING, "raw-filename", "The name entered" },
};
gimp_install_procedure (LOAD_PROC,
"Loads files of Windows BMP file format",
"Loads files of Windows BMP file format",
"Alexander Schulz",
"Alexander Schulz",
"1997",
N_("Windows BMP 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/bmp");
gimp_register_magic_load_handler (LOAD_PROC,
"bmp",
"",
"0,string,BM");
gimp_install_procedure (SAVE_PROC,
"Saves files in Windows BMP file format",
"Saves files in Windows BMP file format",
"Alexander Schulz",
"Alexander Schulz",
"1997",
N_("Windows BMP image"),
"INDEXED, GRAY, RGB*",
GIMP_PLUGIN,
G_N_ELEMENTS (save_args), 0,
save_args, NULL);
gimp_register_file_handler_mime (SAVE_PROC, "image/bmp");
gimp_register_save_handler (SAVE_PROC, "bmp", "");
}
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;
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 (strcmp (name, LOAD_PROC) == 0)
{
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
break;
case GIMP_RUN_NONINTERACTIVE:
/* Make sure all the arguments are there! */
if (nparams != 3)
status = GIMP_PDB_CALLING_ERROR;
break;
default:
break;
}
if (status == GIMP_PDB_SUCCESS)
{
gint32 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)
{
gint32 image_ID = param[1].data.d_int32;
gint32 drawable_ID = param[2].data.d_int32;
GimpExportReturn export = GIMP_EXPORT_CANCEL;
/* eventually export the image */
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, "BMP",
GIMP_EXPORT_CAN_HANDLE_RGB |
GIMP_EXPORT_CAN_HANDLE_GRAY |
GIMP_EXPORT_CAN_HANDLE_ALPHA |
GIMP_EXPORT_CAN_HANDLE_INDEXED);
if (export == GIMP_EXPORT_CANCEL)
{
values[0].data.d_status = GIMP_PDB_CANCEL;
return;
}
break;
case GIMP_RUN_NONINTERACTIVE:
/* Make sure all the arguments are there! */
if (nparams != 5)
status = GIMP_PDB_CALLING_ERROR;
break;
default:
break;
}
if (status == GIMP_PDB_SUCCESS)
status = save_image (param[3].data.d_string,
image_ID, drawable_ID,
run_mode,
&error);
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;
}
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