mirror of https://github.com/GNOME/gimp.git
300 lines
12 KiB
C
300 lines
12 KiB
C
/* bmp.c */
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/* Version 0.52 */
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/* This is a File input and output filter for the */
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/* Gimp. It loads and exports images in the */
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/* windows(TM) bitmap format. */
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/* Some Parts that deal with the interaction with */
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/* 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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/* 29.06.2006 Full support for 16/32 */
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/* bits bitmaps and support */
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/* for alpha channel */
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/* by p.filiciak@zax.pl */
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/*
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* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
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* ----------------------------------------------------------------------------
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.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 "bmp-load.h"
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#include "bmp-export.h"
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#include "libgimp/stdplugins-intl.h"
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typedef struct _Bmp Bmp;
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typedef struct _BmpClass BmpClass;
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struct _Bmp
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{
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GimpPlugIn parent_instance;
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};
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struct _BmpClass
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{
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GimpPlugInClass parent_class;
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};
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#define BMP_TYPE (bmp_get_type ())
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#define BMP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), BMP_TYPE, Bmp))
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GType bmp_get_type (void) G_GNUC_CONST;
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static GList * bmp_query_procedures (GimpPlugIn *plug_in);
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static GimpProcedure * bmp_create_procedure (GimpPlugIn *plug_in,
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const gchar *name);
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static GimpValueArray * bmp_load (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GFile *file,
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GimpMetadata *metadata,
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GimpMetadataLoadFlags *flags,
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GimpProcedureConfig *config,
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gpointer run_data);
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static GimpValueArray * bmp_export (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GimpImage *image,
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GFile *file,
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GimpExportOptions *options,
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GimpMetadata *metadata,
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GimpProcedureConfig *config,
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gpointer run_data);
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G_DEFINE_TYPE (Bmp, bmp, GIMP_TYPE_PLUG_IN)
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GIMP_MAIN (BMP_TYPE)
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DEFINE_STD_SET_I18N
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static void
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bmp_class_init (BmpClass *klass)
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{
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GimpPlugInClass *plug_in_class = GIMP_PLUG_IN_CLASS (klass);
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plug_in_class->query_procedures = bmp_query_procedures;
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plug_in_class->create_procedure = bmp_create_procedure;
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plug_in_class->set_i18n = STD_SET_I18N;
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}
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static void
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bmp_init (Bmp *bmp)
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{
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}
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static GList *
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bmp_query_procedures (GimpPlugIn *plug_in)
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{
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GList *list = NULL;
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list = g_list_append (list, g_strdup (LOAD_PROC));
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list = g_list_append (list, g_strdup (EXPORT_PROC));
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return list;
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}
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static GimpProcedure *
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bmp_create_procedure (GimpPlugIn *plug_in,
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const gchar *name)
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{
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GimpProcedure *procedure = NULL;
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if (! strcmp (name, LOAD_PROC))
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{
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procedure = gimp_load_procedure_new (plug_in, name,
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GIMP_PDB_PROC_TYPE_PLUGIN,
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bmp_load, NULL, NULL);
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gimp_procedure_set_menu_label (procedure, _("Windows BMP image"));
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gimp_procedure_set_documentation (procedure,
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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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name);
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gimp_procedure_set_attribution (procedure,
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"Alexander Schulz",
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"Alexander Schulz",
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"1997");
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gimp_file_procedure_set_mime_types (GIMP_FILE_PROCEDURE (procedure),
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"image/bmp");
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gimp_file_procedure_set_extensions (GIMP_FILE_PROCEDURE (procedure),
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"bmp");
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gimp_file_procedure_set_magics (GIMP_FILE_PROCEDURE (procedure),
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"0,string,BM");
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}
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else if (! strcmp (name, EXPORT_PROC))
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{
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procedure = gimp_export_procedure_new (plug_in, name,
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GIMP_PDB_PROC_TYPE_PLUGIN,
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FALSE, bmp_export, NULL, NULL);
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gimp_procedure_set_image_types (procedure, "INDEXED, GRAY, RGB*");
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gimp_procedure_set_menu_label (procedure, _("Windows BMP image"));
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gimp_file_procedure_set_format_name (GIMP_FILE_PROCEDURE (procedure),
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_("BMP"));
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gimp_procedure_set_documentation (procedure,
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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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name);
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gimp_procedure_set_attribution (procedure,
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"Alexander Schulz",
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"Alexander Schulz",
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"1997");
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gimp_file_procedure_set_mime_types (GIMP_FILE_PROCEDURE (procedure),
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"image/bmp");
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gimp_file_procedure_set_extensions (GIMP_FILE_PROCEDURE (procedure),
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"bmp");
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gimp_export_procedure_set_capabilities (GIMP_EXPORT_PROCEDURE (procedure),
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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_ALPHA |
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GIMP_EXPORT_CAN_HANDLE_INDEXED,
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NULL, NULL, NULL);
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gimp_procedure_add_boolean_argument (procedure, "use-rle",
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_("Ru_n-Length Encoded"),
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_("Use run-length-encoding compression "
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"(only valid for 4 and 8-bit indexed images)"),
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FALSE,
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G_PARAM_READWRITE);
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gimp_procedure_add_boolean_argument (procedure, "write-color-space",
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_("_Write color space information"),
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_("Whether or not to write BITMAPV5HEADER "
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"color space data"),
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TRUE,
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G_PARAM_READWRITE);
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gimp_procedure_add_choice_argument (procedure, "rgb-format",
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_("R_GB format"),
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_("Export format for RGB images"),
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gimp_choice_new_with_values ("rgb-565", RGB_565, _("16 bit (R5 G6 B5)"), NULL,
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"rgba-5551", RGBA_5551, _("16 bit (A1 R5 G5 B5)"), NULL,
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"rgb-555", RGB_555, _("16 bit (X1 R5 G5 B5)"), NULL,
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"rgb-888", RGB_888, _("24 bit (R8 G8 B8)"), NULL,
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"rgba-8888", RGBA_8888, _("32 bit (A8 R8 G8 B8)"), NULL,
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"rgbx-8888", RGBX_8888, _("32 bit (X8 R8 G8 B8)"), NULL,
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NULL),
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"rgb-888",
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G_PARAM_READWRITE);
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}
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return procedure;
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}
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static GimpValueArray *
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bmp_load (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GFile *file,
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GimpMetadata *metadata,
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GimpMetadataLoadFlags *flags,
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GimpProcedureConfig *config,
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gpointer run_data)
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{
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GimpValueArray *return_vals;
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GimpImage *image;
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GError *error = NULL;
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gegl_init (NULL, NULL);
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image = load_image (file, &error);
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if (! image)
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return gimp_procedure_new_return_values (procedure,
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GIMP_PDB_EXECUTION_ERROR,
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error);
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return_vals = gimp_procedure_new_return_values (procedure,
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GIMP_PDB_SUCCESS,
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NULL);
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GIMP_VALUES_SET_IMAGE (return_vals, 1, image);
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return return_vals;
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}
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static GimpValueArray *
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bmp_export (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GimpImage *image,
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GFile *file,
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GimpExportOptions *options,
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GimpMetadata *metadata,
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GimpProcedureConfig *config,
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gpointer run_data)
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{
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GimpPDBStatusType status = GIMP_PDB_SUCCESS;
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GimpExportReturn export = GIMP_EXPORT_IGNORE;
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GList *drawables;
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GError *error = NULL;
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gegl_init (NULL, NULL);
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if (run_mode == GIMP_RUN_INTERACTIVE)
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gimp_ui_init (PLUG_IN_BINARY);
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export = gimp_export_options_get_image (options, &image);
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drawables = gimp_image_list_layers (image);
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status = export_image (file, image, drawables->data, run_mode,
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procedure, G_OBJECT (config),
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&error);
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if (export == GIMP_EXPORT_EXPORT)
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gimp_image_delete (image);
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g_list_free (drawables);
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return gimp_procedure_new_return_values (procedure, status, error);
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}
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