124 lines
5.2 KiB
C
124 lines
5.2 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikaplugin.h
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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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#ifndef __PIKA_PLUG_IN_H__
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#define __PIKA_PLUG_IN_H__
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#include "core/pikaobject.h"
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#include "pikapluginprocframe.h"
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#define WRITE_BUFFER_SIZE 512
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#define PIKA_TYPE_PLUG_IN (pika_plug_in_get_type ())
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#define PIKA_PLUG_IN(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_PLUG_IN, PikaPlugIn))
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#define PIKA_PLUG_IN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_PLUG_IN, PikaPlugInClass))
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#define PIKA_IS_PLUG_IN(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_PLUG_IN))
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#define PIKA_IS_PLUG_IN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_PLUG_IN))
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typedef struct _PikaPlugInClass PikaPlugInClass;
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struct _PikaPlugIn
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{
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PikaObject parent_instance;
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PikaPlugInManager *manager;
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GFile *file; /* Plug-in's full path name */
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PikaPlugInCallMode call_mode; /* QUERY, INIT or RUN */
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guint open : 1; /* Is the plug-in open? */
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guint hup : 1; /* Did we receive a G_IO_HUP */
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GPid pid; /* Plug-in's process id */
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GIOChannel *my_read; /* App's read and write channels */
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GIOChannel *my_write;
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GIOChannel *his_read; /* Plug-in's read and write channels */
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GIOChannel *his_write;
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guint input_id; /* Id of input proc */
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gchar write_buffer[WRITE_BUFFER_SIZE]; /* Buffer for writing */
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gint write_buffer_index; /* Buffer index */
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GSList *temp_procedures; /* Temporary procedures */
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GMainLoop *ext_main_loop; /* for waiting for extension_ack */
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PikaPlugInProcFrame main_proc_frame;
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GList *temp_proc_frames;
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PikaPlugInDef *plug_in_def; /* Valid during query() and init() */
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};
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struct _PikaPlugInClass
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{
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PikaObjectClass parent_class;
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};
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GType pika_plug_in_get_type (void) G_GNUC_CONST;
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PikaPlugIn * pika_plug_in_new (PikaPlugInManager *manager,
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PikaContext *context,
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PikaProgress *progress,
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PikaPlugInProcedure *procedure,
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GFile *file);
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gboolean pika_plug_in_open (PikaPlugIn *plug_in,
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PikaPlugInCallMode call_mode,
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gboolean synchronous);
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void pika_plug_in_close (PikaPlugIn *plug_in,
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gboolean kill_it);
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PikaPlugInProcFrame *
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pika_plug_in_get_proc_frame (PikaPlugIn *plug_in);
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PikaPlugInProcFrame *
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pika_plug_in_proc_frame_push (PikaPlugIn *plug_in,
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PikaContext *context,
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PikaProgress *progress,
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PikaTemporaryProcedure *procedure);
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void pika_plug_in_proc_frame_pop (PikaPlugIn *plug_in);
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void pika_plug_in_main_loop (PikaPlugIn *plug_in);
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void pika_plug_in_main_loop_quit (PikaPlugIn *plug_in);
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const gchar * pika_plug_in_get_undo_desc (PikaPlugIn *plug_in);
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void pika_plug_in_add_temp_proc (PikaPlugIn *plug_in,
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PikaTemporaryProcedure *procedure);
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void pika_plug_in_remove_temp_proc (PikaPlugIn *plug_in,
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PikaTemporaryProcedure *procedure);
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void pika_plug_in_set_error_handler (PikaPlugIn *plug_in,
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PikaPDBErrorHandler handler);
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PikaPDBErrorHandler
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pika_plug_in_get_error_handler (PikaPlugIn *plug_in);
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#endif /* __PIKA_PLUG_IN_H__ */
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