src/display_zoom.h

   1 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4 c-style: "K&R" -*- */
   2
   3 /*----------------------------------------------------------------------
   4
   5 gpiv - Graphic program for Particle Image Velocimetry, based on gtk/gnome
   6   libraries.
   7
   8 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
   9 Gerber van der Graaf  <gerber_graaf@users.sourceforge.net>
  10
  11 This file is part of gpiv.
  12
  13 Gpiv is free software; you can redistribute it and/or modify
  14 it under the terms of the GNU General Public License as published by
  15 the Free Software Foundation; either version 2, or (at your option)
  16 any later version.
  17
  18 This program is distributed in the hope that it will be useful,
  19 but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 GNU General Public License for more details.
  22
  23 You should have received a copy of the GNU General Public License
  24 along with this program; if not, write to the Free Software Foundation,
  25 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26
  27 ----------------------------------------------------------------------*/
  28
  29 #ifndef DISPLAY_ZOOM_H
  30 #define DISPLAY_ZOOM_H
  31
  32 gboolean
  33 canvas_display_button_scroll (GtkWidget *widget,
  34                               GdkEventScroll *event,
  35                               gpointer data
  36                               );
  37 void
  38 check__zoom_factor (gfloat *factor
  39                     );
  40
  41 void
  42 set__hrulerscale (Display *disp
  43                   );
  44 void
  45 set__vrulerscale (Display *disp
  46                   );
  47
  48 void
  49 stretch_window (Display *disp
  50                 );
  51
  52 void
  53 zoom_display (Display *disp,
  54               gint zoom_index
  55               );
  56
  57 #endif /* DISPLAY_ZOOM_H */