/* viewer-render.c: Common code for rendering in viewers

 *

 * Copyright (C) 1999, 2004 Red Hat Software

 * Copyright (C) 2001 Sun Microsystems

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#ifndef VIEWER_RENDER_H

#define VIEWER_RENDER_H

#include <pango/pango-layout.h>

#include "viewer.h"

typedef enum {

  HINT_DEFAULT,

  HINT_NONE,

  HINT_AUTO,

  HINT_FULL

} HintMode;

typedef void (*RenderCallback) (PangoLayout *layout,

				int          x,

				int          y,

				gpointer     cb_context,

				gpointer     cb_data);

typedef void (*TransformCallback) (PangoContext *context,

				   PangoMatrix  *transform,

				   gpointer      cb_context,

				   gpointer      cb_data);

void fail (const char *format, ...) G_GNUC_PRINTF (1, 2) G_GNUC_NORETURN;

void   parse_options      (int               argc,

			   char             *argv[]);

void   do_output          (PangoContext     *context,

			   RenderCallback    render_cb,

			   TransformCallback transform_cb,

			   gpointer          cb_context,

			   gpointer          cb_data,

			   int              *width,

			   int              *height);

void   finalize           (void);

gchar *get_options_string (void);

extern const char *prog_name;

/* handled by viewer-render.c */

extern const char *opt_font;

extern gboolean opt_header;

extern int opt_margin;

extern int opt_markup;

extern gboolean opt_rtl;

extern double opt_rotate;

extern gboolean opt_auto_dir;

extern const char *opt_text;

extern gboolean opt_waterfall;

extern int opt_width;

extern int opt_indent;

extern PangoEllipsizeMode opt_ellipsize;

/* handled by viewer-main.c */

extern gboolean opt_display;

extern const char *opt_output;

extern int opt_runs;

extern const PangoViewer *opt_viewer;

/* handled by backend-specific code */

extern int opt_dpi;

extern HintMode opt_hinting;

extern PangoColor opt_fg_color;

extern guint16 opt_fg_alpha;

extern gboolean opt_bg_set;

extern PangoColor opt_bg_color;

extern guint16 opt_bg_alpha;

#endif /* VIEWER_RENDER_H */