mirror of https://github.com/GNOME/gimp.git
432 lines
16 KiB
C
432 lines
16 KiB
C
/* 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 <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gegl.h>
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#include <glib/gstdio.h>
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#include "libgimpbase/gimpbase.h"
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#include "core/core-types.h"
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#include "core/gimp.h"
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#include "core/gimpimage.h"
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#include "core/gimpparamspecs.h"
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#include "core/gimpprogress.h"
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#include "plug-in/gimppluginmanager.h"
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#include "plug-in/gimppluginprocedure.h"
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#include "xcf.h"
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#include "xcf-private.h"
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#include "xcf-load.h"
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#include "xcf-read.h"
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#include "xcf-save.h"
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#include "gimp-intl.h"
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typedef GimpImage * GimpXcfLoaderFunc (Gimp *gimp,
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XcfInfo *info,
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GError **error);
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static GValueArray * xcf_load_invoker (GimpProcedure *procedure,
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Gimp *gimp,
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GimpContext *context,
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GimpProgress *progress,
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const GValueArray *args,
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GError **error);
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static GValueArray * xcf_save_invoker (GimpProcedure *procedure,
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Gimp *gimp,
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GimpContext *context,
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GimpProgress *progress,
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const GValueArray *args,
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GError **error);
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static GimpXcfLoaderFunc * const xcf_loaders[] =
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{
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xcf_load_image, /* version 0 */
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xcf_load_image, /* version 1 */
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xcf_load_image /* version 2 */
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};
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void
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xcf_init (Gimp *gimp)
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{
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GimpPlugInProcedure *proc;
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GimpProcedure *procedure;
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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/* So this is sort of a hack, but its better than it was before. To
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* do this right there would be a file load-save handler type and
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* the whole interface would change but there isn't, and currently
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* the plug-in structure contains all the load-save info, so it
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* makes sense to use that for the XCF load/save handlers, even
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* though they are internal. The only thing it requires is using a
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* PlugInProcDef struct. -josh
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*/
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/* gimp-xcf-save */
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procedure = gimp_plug_in_procedure_new (GIMP_PLUGIN, "gimp-xcf-save");
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procedure->proc_type = GIMP_INTERNAL;
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procedure->marshal_func = xcf_save_invoker;
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proc = GIMP_PLUG_IN_PROCEDURE (procedure);
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proc->menu_label = g_strdup (N_("GIMP XCF image"));
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gimp_plug_in_procedure_set_icon (proc, GIMP_ICON_TYPE_STOCK_ID,
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(const guint8 *) "gimp-wilber",
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strlen ("gimp-wilber") + 1);
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gimp_plug_in_procedure_set_image_types (proc, "RGB*, GRAY*, INDEXED*");
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gimp_plug_in_procedure_set_file_proc (proc, "xcf", "", NULL);
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gimp_plug_in_procedure_set_mime_type (proc, "image/xcf");
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gimp_object_set_static_name (GIMP_OBJECT (procedure), "gimp-xcf-save");
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gimp_procedure_set_static_strings (procedure,
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"gimp-xcf-save",
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"Saves file in the .xcf file format",
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"The XCF file format has been designed "
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"specifically for loading and saving "
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"tiled and layered images in GIMP. "
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"This procedure will save the specified "
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"image in the xcf file format.",
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"Spencer Kimball & Peter Mattis",
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"Spencer Kimball & Peter Mattis",
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"1995-1996",
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NULL);
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_int32 ("dummy-param",
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"Dummy Param",
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"Dummy parameter",
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G_MININT32, G_MAXINT32, 0,
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GIMP_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_image_id ("image",
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"Image",
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"Input image",
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gimp, FALSE,
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GIMP_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_drawable_id ("drawable",
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"Drawable",
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"Active drawable of input image",
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gimp, TRUE,
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GIMP_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_string ("filename",
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"Filename",
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"The name of the file "
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"to save the image in, "
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"in the on-disk "
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"character set and "
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"encoding",
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TRUE, FALSE, TRUE,
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NULL,
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GIMP_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_string ("raw-filename",
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"Raw filename",
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"The basename of the "
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"file, in UTF-8",
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FALSE, FALSE, TRUE,
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NULL,
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GIMP_PARAM_READWRITE));
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gimp_plug_in_manager_add_procedure (gimp->plug_in_manager, proc);
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g_object_unref (procedure);
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/* gimp-xcf-load */
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procedure = gimp_plug_in_procedure_new (GIMP_PLUGIN, "gimp-xcf-load");
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procedure->proc_type = GIMP_INTERNAL;
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procedure->marshal_func = xcf_load_invoker;
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proc = GIMP_PLUG_IN_PROCEDURE (procedure);
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proc->menu_label = g_strdup (N_("GIMP XCF image"));
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gimp_plug_in_procedure_set_icon (proc, GIMP_ICON_TYPE_STOCK_ID,
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(const guint8 *) "gimp-wilber",
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strlen ("gimp-wilber") + 1);
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gimp_plug_in_procedure_set_image_types (proc, NULL);
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gimp_plug_in_procedure_set_file_proc (proc, "xcf", "",
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"0,string,gimp\\040xcf\\040");
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gimp_plug_in_procedure_set_mime_type (proc, "image/xcf");
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gimp_object_set_static_name (GIMP_OBJECT (procedure), "gimp-xcf-load");
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gimp_procedure_set_static_strings (procedure,
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"gimp-xcf-load",
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"Loads file saved in the .xcf file format",
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"The XCF file format has been designed "
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"specifically for loading and saving "
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"tiled and layered images in GIMP. "
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"This procedure will load the specified "
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"file.",
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"Spencer Kimball & Peter Mattis",
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"Spencer Kimball & Peter Mattis",
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"1995-1996",
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NULL);
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_int32 ("dummy-param",
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"Dummy Param",
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"Dummy parameter",
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G_MININT32, G_MAXINT32, 0,
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GIMP_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_string ("filename",
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"Filename",
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"The name of the file "
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"to load, in the "
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"on-disk character "
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"set and encoding",
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TRUE, FALSE, TRUE,
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NULL,
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GIMP_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_string ("raw-filename",
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"Raw filename",
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"The basename of the "
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"file, in UTF-8",
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FALSE, FALSE, TRUE,
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NULL,
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GIMP_PARAM_READWRITE));
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gimp_procedure_add_return_value (procedure,
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gimp_param_spec_image_id ("image",
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"Image",
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"Output image",
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gimp, FALSE,
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GIMP_PARAM_READWRITE));
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gimp_plug_in_manager_add_procedure (gimp->plug_in_manager, proc);
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g_object_unref (procedure);
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}
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void
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xcf_exit (Gimp *gimp)
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{
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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}
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static GValueArray *
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xcf_load_invoker (GimpProcedure *procedure,
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Gimp *gimp,
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GimpContext *context,
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GimpProgress *progress,
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const GValueArray *args,
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GError **error)
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{
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XcfInfo info;
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GValueArray *return_vals;
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GimpImage *image = NULL;
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const gchar *filename;
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gboolean success = FALSE;
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gchar id[14];
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gimp_set_busy (gimp);
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filename = g_value_get_string (&args->values[1]);
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info.fp = g_fopen (filename, "rb");
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if (info.fp)
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{
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info.gimp = gimp;
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info.progress = progress;
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info.cp = 0;
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info.filename = filename;
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info.tattoo_state = 0;
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info.active_layer = NULL;
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info.active_channel = NULL;
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info.floating_sel_drawable = NULL;
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info.floating_sel = NULL;
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info.floating_sel_offset = 0;
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info.swap_num = 0;
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info.ref_count = NULL;
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info.compression = COMPRESS_NONE;
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if (progress)
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{
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gchar *name = g_filename_display_name (filename);
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gchar *msg = g_strdup_printf (_("Opening '%s'"), name);
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gimp_progress_start (progress, msg, FALSE);
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g_free (msg);
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g_free (name);
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}
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success = TRUE;
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info.cp += xcf_read_int8 (info.fp, (guint8 *) id, 14);
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if (! g_str_has_prefix (id, "gimp xcf "))
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{
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success = FALSE;
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}
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else if (strcmp (id + 9, "file") == 0)
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{
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info.file_version = 0;
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}
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else if (id[9] == 'v')
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{
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info.file_version = atoi (id + 10);
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}
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else
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{
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success = FALSE;
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}
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if (success)
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{
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if (info.file_version >= 0 &&
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info.file_version < G_N_ELEMENTS (xcf_loaders))
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{
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image = (*(xcf_loaders[info.file_version])) (gimp, &info, error);
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if (! image)
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success = FALSE;
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}
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else
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{
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g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
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_("XCF error: unsupported XCF file version %d "
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"encountered"), info.file_version);
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success = FALSE;
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}
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}
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fclose (info.fp);
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if (progress)
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gimp_progress_end (progress);
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}
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else
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{
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int save_errno = errno;
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g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (save_errno),
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_("Could not open '%s' for reading: %s"),
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gimp_filename_to_utf8 (filename), g_strerror (save_errno));
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}
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return_vals = gimp_procedure_get_return_values (procedure, success,
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error ? *error : NULL);
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if (success)
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gimp_value_set_image (&return_vals->values[1], image);
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gimp_unset_busy (gimp);
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return return_vals;
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}
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static GValueArray *
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xcf_save_invoker (GimpProcedure *procedure,
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Gimp *gimp,
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GimpContext *context,
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GimpProgress *progress,
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const GValueArray *args,
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GError **error)
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{
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XcfInfo info;
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GValueArray *return_vals;
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GimpImage *image;
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const gchar *filename;
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gboolean success = FALSE;
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gimp_set_busy (gimp);
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image = gimp_value_get_image (&args->values[1], gimp);
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filename = g_value_get_string (&args->values[3]);
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info.fp = g_fopen (filename, "wb");
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if (info.fp)
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{
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info.gimp = gimp;
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info.progress = progress;
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info.cp = 0;
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info.filename = filename;
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info.active_layer = NULL;
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info.active_channel = NULL;
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info.floating_sel_drawable = NULL;
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info.floating_sel = NULL;
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info.floating_sel_offset = 0;
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info.swap_num = 0;
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info.ref_count = NULL;
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info.compression = COMPRESS_RLE;
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if (progress)
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{
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gchar *name = g_filename_display_name (filename);
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gchar *msg = g_strdup_printf (_("Saving '%s'"), name);
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gimp_progress_start (progress, msg, FALSE);
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g_free (msg);
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g_free (name);
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}
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xcf_save_choose_format (&info, image);
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success = xcf_save_image (&info, image, error);
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if (success)
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{
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if (fclose (info.fp) == EOF)
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{
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int save_errno = errno;
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g_set_error (error, G_FILE_ERROR,
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g_file_error_from_errno (save_errno),
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_("Error saving XCF file: %s"),
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g_strerror (save_errno));
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success = FALSE;
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}
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}
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else
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{
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fclose (info.fp);
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}
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if (progress)
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gimp_progress_end (progress);
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}
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else
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{
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int save_errno = errno;
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g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (save_errno),
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_("Could not open '%s' for writing: %s"),
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gimp_filename_to_utf8 (filename), g_strerror (save_errno));
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}
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return_vals = gimp_procedure_get_return_values (procedure, success,
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error ? *error : NULL);
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gimp_unset_busy (gimp);
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return return_vals;
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}
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