/* GIMP - The GNU Image Manipulation Program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * This program 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.
 *
 * This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef __GIMP_DISPLAY_SHELL_SCROLL_H__
#define __GIMP_DISPLAY_SHELL_SCROLL_H__


void   gimp_display_shell_center_around_image_coordinate (GimpDisplayShell       *shell,
                                                          gdouble                 image_x,
                                                          gdouble                 image_y);

void   gimp_display_shell_scroll_clamp_offsets           (GimpDisplayShell       *shell);

void   gimp_display_shell_get_scaled_viewport            (const GimpDisplayShell *shell,
                                                          gint                   *x,
                                                          gint                   *y,
                                                          gint                   *w,
                                                          gint                   *h);

void   gimp_display_shell_get_viewport                   (const GimpDisplayShell *shell,
                                                          gdouble                *x,
                                                          gdouble                *y,
                                                          gdouble                *w,
                                                          gdouble                *h);

void   gimp_display_shell_get_scaled_viewport_offset     (const GimpDisplayShell *shell,
                                                          gint                   *x,
                                                          gint                   *y);

void   gimp_display_shell_get_scaled_image_size          (const GimpDisplayShell *shell,
                                                          gint                   *w,
                                                          gint                   *h);

void   gimp_display_shell_get_disp_offset                (const GimpDisplayShell *shell,
                                                          gint                   *disp_xoffset,
                                                          gint                   *disp_yoffset);

void   gimp_display_shell_get_render_start_offset        (const GimpDisplayShell *shell,
                                                          gint                   *offset_x,
                                                          gint                   *offset_y);

void   gimp_display_shell_setup_hscrollbar_with_value    (GimpDisplayShell       *shell,
                                                          gdouble                 value);
void   gimp_display_shell_setup_vscrollbar_with_value    (GimpDisplayShell       *shell,
                                                          gdouble                 value);


#endif  /*  __GIMP_DISPLAY_SHELL_SCROLL_H__  */