evince/libdocument/ev-file-exporter.h

/* this file is part of evince, a gnome document viewer
 *
 *  Copyright (C) 2004 Martin Kretzschmar
 *
 *  Author:
 *    Martin Kretzschmar <martink@gnome.org>
 *
 * Evince 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 2 of the License, or
 * (at your option) any later version.
 *
 * Evince 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#pragma once

#if !defined (__EV_EVINCE_DOCUMENT_H_INSIDE__) && !defined (EVINCE_COMPILATION)
#error "Only <evince-document.h> can be included directly."
#endif

#include <glib-object.h>

#include "ev-macros.h"
#include "ev-render-context.h"

G_BEGIN_DECLS

typedef enum {
	EV_FILE_FORMAT_UNKNOWN,
	EV_FILE_FORMAT_PS,
	EV_FILE_FORMAT_PDF
} EvFileExporterFormat;

typedef enum {
	EV_FILE_EXPORTER_CAN_PAGE_SET     = 1 << 0,
	EV_FILE_EXPORTER_CAN_COPIES       = 1 << 1,
	EV_FILE_EXPORTER_CAN_COLLATE      = 1 << 2,
	EV_FILE_EXPORTER_CAN_REVERSE      = 1 << 3,
	EV_FILE_EXPORTER_CAN_SCALE        = 1 << 4,
	EV_FILE_EXPORTER_CAN_GENERATE_PDF = 1 << 5,
	EV_FILE_EXPORTER_CAN_GENERATE_PS  = 1 << 6,
	EV_FILE_EXPORTER_CAN_PREVIEW      = 1 << 7,
	EV_FILE_EXPORTER_CAN_NUMBER_UP    = 1 << 8
} EvFileExporterCapabilities;

typedef struct _EvFileExporterContext EvFileExporterContext;

struct _EvFileExporterContext {
	EvFileExporterFormat format;
	const gchar         *filename;
	gint                 first_page;
	gint                 last_page;
	gdouble              paper_width;
	gdouble              paper_height;
	gboolean             duplex;
	gint                 pages_per_sheet;
};

#define EV_TYPE_FILE_EXPORTER            (ev_file_exporter_get_type ())
#define EV_FILE_EXPORTER(o)              (G_TYPE_CHECK_INSTANCE_CAST ((o), EV_TYPE_FILE_EXPORTER, EvFileExporter))
#define EV_FILE_EXPORTER_IFACE(k)        (G_TYPE_CHECK_CLASS_CAST((k), EV_TYPE_FILE_EXPORTER, EvFileExporterInterface))
#define EV_IS_FILE_EXPORTER(o)           (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_FILE_EXPORTER))
#define EV_IS_FILE_EXPORTER_IFACE(k)     (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_FILE_EXPORTER))
#define EV_FILE_EXPORTER_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), EV_TYPE_FILE_EXPORTER, EvFileExporterInterface))

typedef struct _EvFileExporter          EvFileExporter;
typedef struct _EvFileExporterInterface EvFileExporterInterface;

struct _EvFileExporterInterface {
        GTypeInterface base_iface;

        /* Methods  */
        void                       (* begin)            (EvFileExporter        *exporter,
							 EvFileExporterContext *fc);
	void                       (* begin_page)       (EvFileExporter        *exporter);
        void                       (* do_page)          (EvFileExporter        *exporter,
							 EvRenderContext       *rc);
	void                       (* end_page)         (EvFileExporter        *exporter);
        void                       (* end)              (EvFileExporter        *exporter);
	EvFileExporterCapabilities (* get_capabilities) (EvFileExporter        *exporter);
};

EV_PUBLIC
GType                      ev_file_exporter_get_type         (void) G_GNUC_CONST;
EV_PUBLIC
void                       ev_file_exporter_begin            (EvFileExporter        *exporter,
							      EvFileExporterContext *fc);
EV_PUBLIC
void                       ev_file_exporter_begin_page       (EvFileExporter        *exporter);
EV_PUBLIC
void                       ev_file_exporter_do_page          (EvFileExporter        *exporter,
							      EvRenderContext       *rc);
EV_PUBLIC
void                       ev_file_exporter_end_page         (EvFileExporter        *exporter);
EV_PUBLIC
void                       ev_file_exporter_end              (EvFileExporter        *exporter);
EV_PUBLIC
EvFileExporterCapabilities ev_file_exporter_get_capabilities (EvFileExporter        *exporter);

G_END_DECLS